Imported Upstream version 16.04

Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757
Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>

11 files changed, 3961 insertions, 0 deletions

diff --git a/examples/l3fwd/Makefile b/examples/l3fwd/Makefile
new file mode 100644
index 00000000..5ce0ce05
--- /dev/null
+++ b/examples/l3fwd/Makefile
@@ -0,0 +1,51 @@
+#   BSD LICENSE
+#
+#   Copyright(c) 2010-2016 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.
+
+ifeq ($(RTE_SDK),)
+$(error "Please define RTE_SDK environment variable")
+endif
+
+# Default target, can be overriden by command line or environment
+RTE_TARGET ?= x86_64-native-linuxapp-gcc
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# binary name
+APP = l3fwd
+
+# all source are stored in SRCS-y
+SRCS-y := main.c l3fwd_lpm.c l3fwd_em.c
+
+CFLAGS += -I$(SRCDIR)
+CFLAGS += -O3 $(USER_FLAGS)
+CFLAGS += $(WERROR_FLAGS)
+
+include $(RTE_SDK)/mk/rte.extapp.mk
diff --git a/examples/l3fwd/l3fwd.h b/examples/l3fwd/l3fwd.h
new file mode 100644
index 00000000..d8798b7d
--- /dev/null
+++ b/examples/l3fwd/l3fwd.h
@@ -0,0 +1,241 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 __L3_FWD_H__
+#define __L3_FWD_H__
+
+#include <rte_vect.h>
+
+#define DO_RFC_1812_CHECKS
+
+#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
+
+#if !defined(NO_HASH_MULTI_LOOKUP) && defined(RTE_MACHINE_CPUFLAG_NEON)
+#define NO_HASH_MULTI_LOOKUP 1
+#endif
+
+#define MAX_PKT_BURST     32
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
+
+#define MAX_RX_QUEUE_PER_LCORE 16
+
+/*
+ * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
+ */
+#define	MAX_TX_BURST	  (MAX_PKT_BURST / 2)
+
+#define NB_SOCKETS        8
+
+/* Configure how many packets ahead to prefetch, when reading packets */
+#define PREFETCH_OFFSET	  3
+
+/* Used to mark destination port as 'invalid'. */
+#define	BAD_PORT ((uint16_t)-1)
+
+#define FWDSTEP	4
+
+/* replace first 12B of the ethernet header. */
+#define	MASK_ETH 0x3f
+
+/* Hash parameters. */
+#ifdef RTE_ARCH_X86_64
+/* default to 4 million hash entries (approx) */
+#define L3FWD_HASH_ENTRIES		(1024*1024*4)
+#else
+/* 32-bit has less address-space for hugepage memory, limit to 1M entries */
+#define L3FWD_HASH_ENTRIES		(1024*1024*1)
+#endif
+#define HASH_ENTRY_NUMBER_DEFAULT	4
+
+struct mbuf_table {
+	uint16_t len;
+	struct rte_mbuf *m_table[MAX_PKT_BURST];
+};
+
+struct lcore_rx_queue {
+	uint8_t port_id;
+	uint8_t queue_id;
+} __rte_cache_aligned;
+
+struct lcore_conf {
+	uint16_t n_rx_queue;
+	struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+	uint16_t n_tx_port;
+	uint16_t tx_port_id[RTE_MAX_ETHPORTS];
+	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+	struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
+	void *ipv4_lookup_struct;
+	void *ipv6_lookup_struct;
+} __rte_cache_aligned;
+
+extern volatile bool force_quit;
+
+/* ethernet addresses of ports */
+extern uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+extern struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+/* mask of enabled ports */
+extern uint32_t enabled_port_mask;
+
+/* Used only in exact match mode. */
+extern int ipv6; /**< ipv6 is false by default. */
+extern uint32_t hash_entry_number;
+
+extern xmm_t val_eth[RTE_MAX_ETHPORTS];
+
+extern struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+
+/* Send burst of packets on an output interface */
+static inline int
+send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
+{
+	struct rte_mbuf **m_table;
+	int ret;
+	uint16_t queueid;
+
+	queueid = qconf->tx_queue_id[port];
+	m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
+
+	ret = rte_eth_tx_burst(port, queueid, m_table, n);
+	if (unlikely(ret < n)) {
+		do {
+			rte_pktmbuf_free(m_table[ret]);
+		} while (++ret < n);
+	}
+
+	return 0;
+}
+
+/* Enqueue a single packet, and send burst if queue is filled */
+static inline int
+send_single_packet(struct lcore_conf *qconf,
+		struct rte_mbuf *m, uint8_t port)
+{
+	uint16_t len;
+
+	len = qconf->tx_mbufs[port].len;
+	qconf->tx_mbufs[port].m_table[len] = m;
+	len++;
+
+	/* enough pkts to be sent */
+	if (unlikely(len == MAX_PKT_BURST)) {
+		send_burst(qconf, MAX_PKT_BURST, port);
+		len = 0;
+	}
+
+	qconf->tx_mbufs[port].len = len;
+	return 0;
+}
+
+#ifdef DO_RFC_1812_CHECKS
+static inline int
+is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
+{
+	/* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
+	/*
+	 * 1. The packet length reported by the Link Layer must be large
+	 * enough to hold the minimum length legal IP datagram (20 bytes).
+	 */
+	if (link_len < sizeof(struct ipv4_hdr))
+		return -1;
+
+	/* 2. The IP checksum must be correct. */
+	/* this is checked in H/W */
+
+	/*
+	 * 3. The IP version number must be 4. If the version number is not 4
+	 * then the packet may be another version of IP, such as IPng or
+	 * ST-II.
+	 */
+	if (((pkt->version_ihl) >> 4) != 4)
+		return -3;
+	/*
+	 * 4. The IP header length field must be large enough to hold the
+	 * minimum length legal IP datagram (20 bytes = 5 words).
+	 */
+	if ((pkt->version_ihl & 0xf) < 5)
+		return -4;
+
+	/*
+	 * 5. The IP total length field must be large enough to hold the IP
+	 * datagram header, whose length is specified in the IP header length
+	 * field.
+	 */
+	if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
+		return -5;
+
+	return 0;
+}
+#endif /* DO_RFC_1812_CHECKS */
+
+/* Function pointers for LPM or EM functionality. */
+void
+setup_lpm(const int socketid);
+
+void
+setup_hash(const int socketid);
+
+int
+em_check_ptype(int portid);
+
+int
+lpm_check_ptype(int portid);
+
+uint16_t
+em_cb_parse_ptype(uint8_t port, uint16_t queue, struct rte_mbuf *pkts[],
+		  uint16_t nb_pkts, uint16_t max_pkts, void *user_param);
+
+uint16_t
+lpm_cb_parse_ptype(uint8_t port, uint16_t queue, struct rte_mbuf *pkts[],
+		   uint16_t nb_pkts, uint16_t max_pkts, void *user_param);
+
+int
+em_main_loop(__attribute__((unused)) void *dummy);
+
+int
+lpm_main_loop(__attribute__((unused)) void *dummy);
+
+/* Return ipv4/ipv6 fwd lookup struct for LPM or EM. */
+void *
+em_get_ipv4_l3fwd_lookup_struct(const int socketid);
+
+void *
+em_get_ipv6_l3fwd_lookup_struct(const int socketid);
+
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid);
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid);
+
+#endif  /* __L3_FWD_H__ */
diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
new file mode 100644
index 00000000..fc59243d
--- /dev/null
+++ b/examples/l3fwd/l3fwd_em.c
@@ -0,0 +1,801 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <netinet/in.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_hash.h>
+
+#include "l3fwd.h"
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#include <rte_hash_crc.h>
+#define DEFAULT_HASH_FUNC       rte_hash_crc
+#else
+#include <rte_jhash.h>
+#define DEFAULT_HASH_FUNC       rte_jhash
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+
+#define IPV6_ADDR_LEN 16
+
+struct ipv4_5tuple {
+	uint32_t ip_dst;
+	uint32_t ip_src;
+	uint16_t port_dst;
+	uint16_t port_src;
+	uint8_t  proto;
+} __attribute__((__packed__));
+
+union ipv4_5tuple_host {
+	struct {
+		uint8_t  pad0;
+		uint8_t  proto;
+		uint16_t pad1;
+		uint32_t ip_src;
+		uint32_t ip_dst;
+		uint16_t port_src;
+		uint16_t port_dst;
+	};
+	xmm_t xmm;
+};
+
+#define XMM_NUM_IN_IPV6_5TUPLE 3
+
+struct ipv6_5tuple {
+	uint8_t  ip_dst[IPV6_ADDR_LEN];
+	uint8_t  ip_src[IPV6_ADDR_LEN];
+	uint16_t port_dst;
+	uint16_t port_src;
+	uint8_t  proto;
+} __attribute__((__packed__));
+
+union ipv6_5tuple_host {
+	struct {
+		uint16_t pad0;
+		uint8_t  proto;
+		uint8_t  pad1;
+		uint8_t  ip_src[IPV6_ADDR_LEN];
+		uint8_t  ip_dst[IPV6_ADDR_LEN];
+		uint16_t port_src;
+		uint16_t port_dst;
+		uint64_t reserve;
+	};
+	xmm_t xmm[XMM_NUM_IN_IPV6_5TUPLE];
+};
+
+
+
+struct ipv4_l3fwd_em_route {
+	struct ipv4_5tuple key;
+	uint8_t if_out;
+};
+
+struct ipv6_l3fwd_em_route {
+	struct ipv6_5tuple key;
+	uint8_t if_out;
+};
+
+static struct ipv4_l3fwd_em_route ipv4_l3fwd_em_route_array[] = {
+	{{IPv4(101, 0, 0, 0), IPv4(100, 10, 0, 1),  101, 11, IPPROTO_TCP}, 0},
+	{{IPv4(201, 0, 0, 0), IPv4(200, 20, 0, 1),  102, 12, IPPROTO_TCP}, 1},
+	{{IPv4(111, 0, 0, 0), IPv4(100, 30, 0, 1),  101, 11, IPPROTO_TCP}, 2},
+	{{IPv4(211, 0, 0, 0), IPv4(200, 40, 0, 1),  102, 12, IPPROTO_TCP}, 3},
+};
+
+static struct ipv6_l3fwd_em_route ipv6_l3fwd_em_route_array[] = {
+	{{
+	{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+	{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+	101, 11, IPPROTO_TCP}, 0},
+
+	{{
+	{0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+	{0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+	102, 12, IPPROTO_TCP}, 1},
+
+	{{
+	{0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+	{0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+	101, 11, IPPROTO_TCP}, 2},
+
+	{{
+	{0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+	{0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
+	102, 12, IPPROTO_TCP}, 3},
+};
+
+struct rte_hash *ipv4_l3fwd_em_lookup_struct[NB_SOCKETS];
+struct rte_hash *ipv6_l3fwd_em_lookup_struct[NB_SOCKETS];
+
+static inline uint32_t
+ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
+		uint32_t init_val)
+{
+	const union ipv4_5tuple_host *k;
+	uint32_t t;
+	const uint32_t *p;
+
+	k = data;
+	t = k->proto;
+	p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+	init_val = rte_hash_crc_4byte(t, init_val);
+	init_val = rte_hash_crc_4byte(k->ip_src, init_val);
+	init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
+	init_val = rte_hash_crc_4byte(*p, init_val);
+#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+	init_val = rte_jhash_1word(t, init_val);
+	init_val = rte_jhash_1word(k->ip_src, init_val);
+	init_val = rte_jhash_1word(k->ip_dst, init_val);
+	init_val = rte_jhash_1word(*p, init_val);
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+
+	return init_val;
+}
+
+static inline uint32_t
+ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
+		uint32_t init_val)
+{
+	const union ipv6_5tuple_host *k;
+	uint32_t t;
+	const uint32_t *p;
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+	const uint32_t  *ip_src0, *ip_src1, *ip_src2, *ip_src3;
+	const uint32_t  *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+
+	k = data;
+	t = k->proto;
+	p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+	ip_src0 = (const uint32_t *) k->ip_src;
+	ip_src1 = (const uint32_t *)(k->ip_src+4);
+	ip_src2 = (const uint32_t *)(k->ip_src+8);
+	ip_src3 = (const uint32_t *)(k->ip_src+12);
+	ip_dst0 = (const uint32_t *) k->ip_dst;
+	ip_dst1 = (const uint32_t *)(k->ip_dst+4);
+	ip_dst2 = (const uint32_t *)(k->ip_dst+8);
+	ip_dst3 = (const uint32_t *)(k->ip_dst+12);
+	init_val = rte_hash_crc_4byte(t, init_val);
+	init_val = rte_hash_crc_4byte(*ip_src0, init_val);
+	init_val = rte_hash_crc_4byte(*ip_src1, init_val);
+	init_val = rte_hash_crc_4byte(*ip_src2, init_val);
+	init_val = rte_hash_crc_4byte(*ip_src3, init_val);
+	init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
+	init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
+	init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
+	init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
+	init_val = rte_hash_crc_4byte(*p, init_val);
+#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+	init_val = rte_jhash_1word(t, init_val);
+	init_val = rte_jhash(k->ip_src,
+			sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
+	init_val = rte_jhash(k->ip_dst,
+			sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
+	init_val = rte_jhash_1word(*p, init_val);
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+	return init_val;
+}
+
+#define IPV4_L3FWD_EM_NUM_ROUTES \
+	(sizeof(ipv4_l3fwd_em_route_array) / sizeof(ipv4_l3fwd_em_route_array[0]))
+
+#define IPV6_L3FWD_EM_NUM_ROUTES \
+	(sizeof(ipv6_l3fwd_em_route_array) / sizeof(ipv6_l3fwd_em_route_array[0]))
+
+static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+
+static rte_xmm_t mask0;
+static rte_xmm_t mask1;
+static rte_xmm_t mask2;
+
+#if defined(__SSE2__)
+static inline xmm_t
+em_mask_key(void *key, xmm_t mask)
+{
+	__m128i data = _mm_loadu_si128((__m128i *)(key));
+
+	return _mm_and_si128(data, mask);
+}
+#elif defined(RTE_MACHINE_CPUFLAG_NEON)
+static inline xmm_t
+em_mask_key(void *key, xmm_t mask)
+{
+	int32x4_t data = vld1q_s32((int32_t *)key);
+
+	return vandq_s32(data, mask);
+}
+#endif
+
+static inline uint8_t
+em_get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid, void *lookup_struct)
+{
+	int ret = 0;
+	union ipv4_5tuple_host key;
+	struct rte_hash *ipv4_l3fwd_lookup_struct =
+		(struct rte_hash *)lookup_struct;
+
+	ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
+
+	/*
+	 * Get 5 tuple: dst port, src port, dst IP address,
+	 * src IP address and protocol.
+	 */
+	key.xmm = em_mask_key(ipv4_hdr, mask0.x);
+
+	/* Find destination port */
+	ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
+	return (uint8_t)((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
+}
+
+static inline uint8_t
+em_get_ipv6_dst_port(void *ipv6_hdr,  uint8_t portid, void *lookup_struct)
+{
+	int ret = 0;
+	union ipv6_5tuple_host key;
+	struct rte_hash *ipv6_l3fwd_lookup_struct =
+		(struct rte_hash *)lookup_struct;
+
+	ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
+	void *data0 = ipv6_hdr;
+	void *data1 = ((uint8_t *)ipv6_hdr) + sizeof(xmm_t);
+	void *data2 = ((uint8_t *)ipv6_hdr) + sizeof(xmm_t) + sizeof(xmm_t);
+
+	/* Get part of 5 tuple: src IP address lower 96 bits and protocol */
+	key.xmm[0] = em_mask_key(data0, mask1.x);
+
+	/*
+	 * Get part of 5 tuple: dst IP address lower 96 bits
+	 * and src IP address higher 32 bits.
+	 */
+	key.xmm[1] = *(xmm_t *)data1;
+
+	/*
+	 * Get part of 5 tuple: dst port and src port
+	 * and dst IP address higher 32 bits.
+	 */
+	key.xmm[2] = em_mask_key(data2, mask2.x);
+
+	/* Find destination port */
+	ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
+	return (uint8_t)((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
+}
+
+#if defined(__SSE4_1__)
+#if defined(NO_HASH_MULTI_LOOKUP)
+#include "l3fwd_em_sse.h"
+#else
+#include "l3fwd_em_hlm_sse.h"
+#endif
+#else
+#include "l3fwd_em.h"
+#endif
+
+static void
+convert_ipv4_5tuple(struct ipv4_5tuple *key1,
+		union ipv4_5tuple_host *key2)
+{
+	key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
+	key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
+	key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+	key2->port_src = rte_cpu_to_be_16(key1->port_src);
+	key2->proto = key1->proto;
+	key2->pad0 = 0;
+	key2->pad1 = 0;
+}
+
+static void
+convert_ipv6_5tuple(struct ipv6_5tuple *key1,
+		union ipv6_5tuple_host *key2)
+{
+	uint32_t i;
+
+	for (i = 0; i < 16; i++) {
+		key2->ip_dst[i] = key1->ip_dst[i];
+		key2->ip_src[i] = key1->ip_src[i];
+	}
+	key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+	key2->port_src = rte_cpu_to_be_16(key1->port_src);
+	key2->proto = key1->proto;
+	key2->pad0 = 0;
+	key2->pad1 = 0;
+	key2->reserve = 0;
+}
+
+#define BYTE_VALUE_MAX 256
+#define ALL_32_BITS 0xffffffff
+#define BIT_8_TO_15 0x0000ff00
+
+static inline void
+populate_ipv4_few_flow_into_table(const struct rte_hash *h)
+{
+	uint32_t i;
+	int32_t ret;
+
+	mask0 = (rte_xmm_t){.u32 = {BIT_8_TO_15, ALL_32_BITS,
+				ALL_32_BITS, ALL_32_BITS} };
+
+	for (i = 0; i < IPV4_L3FWD_EM_NUM_ROUTES; i++) {
+		struct ipv4_l3fwd_em_route  entry;
+		union ipv4_5tuple_host newkey;
+
+		entry = ipv4_l3fwd_em_route_array[i];
+		convert_ipv4_5tuple(&entry.key, &newkey);
+		ret = rte_hash_add_key(h, (void *) &newkey);
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+				" to the l3fwd hash.\n", i);
+		}
+		ipv4_l3fwd_out_if[ret] = entry.if_out;
+	}
+	printf("Hash: Adding 0x%" PRIx64 " keys\n",
+		(uint64_t)IPV4_L3FWD_EM_NUM_ROUTES);
+}
+
+#define BIT_16_TO_23 0x00ff0000
+static inline void
+populate_ipv6_few_flow_into_table(const struct rte_hash *h)
+{
+	uint32_t i;
+	int32_t ret;
+
+	mask1 = (rte_xmm_t){.u32 = {BIT_16_TO_23, ALL_32_BITS,
+				ALL_32_BITS, ALL_32_BITS} };
+
+	mask2 = (rte_xmm_t){.u32 = {ALL_32_BITS, ALL_32_BITS, 0, 0} };
+
+	for (i = 0; i < IPV6_L3FWD_EM_NUM_ROUTES; i++) {
+		struct ipv6_l3fwd_em_route entry;
+		union ipv6_5tuple_host newkey;
+
+		entry = ipv6_l3fwd_em_route_array[i];
+		convert_ipv6_5tuple(&entry.key, &newkey);
+		ret = rte_hash_add_key(h, (void *) &newkey);
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+				" to the l3fwd hash.\n", i);
+		}
+		ipv6_l3fwd_out_if[ret] = entry.if_out;
+	}
+	printf("Hash: Adding 0x%" PRIx64 "keys\n",
+		(uint64_t)IPV6_L3FWD_EM_NUM_ROUTES);
+}
+
+#define NUMBER_PORT_USED 4
+static inline void
+populate_ipv4_many_flow_into_table(const struct rte_hash *h,
+		unsigned int nr_flow)
+{
+	unsigned i;
+
+	mask0 = (rte_xmm_t){.u32 = {BIT_8_TO_15, ALL_32_BITS,
+				ALL_32_BITS, ALL_32_BITS} };
+
+	for (i = 0; i < nr_flow; i++) {
+		struct ipv4_l3fwd_em_route entry;
+		union ipv4_5tuple_host newkey;
+
+		uint8_t a = (uint8_t)
+			((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
+		uint8_t b = (uint8_t)
+			(((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
+		uint8_t c = (uint8_t)
+			((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
+
+		/* Create the ipv4 exact match flow */
+		memset(&entry, 0, sizeof(entry));
+		switch (i & (NUMBER_PORT_USED - 1)) {
+		case 0:
+			entry = ipv4_l3fwd_em_route_array[0];
+			entry.key.ip_dst = IPv4(101, c, b, a);
+			break;
+		case 1:
+			entry = ipv4_l3fwd_em_route_array[1];
+			entry.key.ip_dst = IPv4(201, c, b, a);
+			break;
+		case 2:
+			entry = ipv4_l3fwd_em_route_array[2];
+			entry.key.ip_dst = IPv4(111, c, b, a);
+			break;
+		case 3:
+			entry = ipv4_l3fwd_em_route_array[3];
+			entry.key.ip_dst = IPv4(211, c, b, a);
+			break;
+		};
+		convert_ipv4_5tuple(&entry.key, &newkey);
+		int32_t ret = rte_hash_add_key(h, (void *) &newkey);
+
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+
+		ipv4_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
+
+	}
+	printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
+static inline void
+populate_ipv6_many_flow_into_table(const struct rte_hash *h,
+		unsigned int nr_flow)
+{
+	unsigned i;
+
+	mask1 = (rte_xmm_t){.u32 = {BIT_16_TO_23, ALL_32_BITS,
+				ALL_32_BITS, ALL_32_BITS} };
+	mask2 = (rte_xmm_t){.u32 = {ALL_32_BITS, ALL_32_BITS, 0, 0} };
+
+	for (i = 0; i < nr_flow; i++) {
+		struct ipv6_l3fwd_em_route entry;
+		union ipv6_5tuple_host newkey;
+
+		uint8_t a = (uint8_t)
+			((i/NUMBER_PORT_USED)%BYTE_VALUE_MAX);
+		uint8_t b = (uint8_t)
+			(((i/NUMBER_PORT_USED)/BYTE_VALUE_MAX)%BYTE_VALUE_MAX);
+		uint8_t c = (uint8_t)
+			((i/NUMBER_PORT_USED)/(BYTE_VALUE_MAX*BYTE_VALUE_MAX));
+
+		/* Create the ipv6 exact match flow */
+		memset(&entry, 0, sizeof(entry));
+		switch (i & (NUMBER_PORT_USED - 1)) {
+		case 0:
+			entry = ipv6_l3fwd_em_route_array[0];
+			break;
+		case 1:
+			entry = ipv6_l3fwd_em_route_array[1];
+			break;
+		case 2:
+			entry = ipv6_l3fwd_em_route_array[2];
+			break;
+		case 3:
+			entry = ipv6_l3fwd_em_route_array[3];
+			break;
+		};
+		entry.key.ip_dst[13] = c;
+		entry.key.ip_dst[14] = b;
+		entry.key.ip_dst[15] = a;
+		convert_ipv6_5tuple(&entry.key, &newkey);
+		int32_t ret = rte_hash_add_key(h, (void *) &newkey);
+
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+
+		ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
+
+	}
+	printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
+/* Requirements:
+ * 1. IP packets without extension;
+ * 2. L4 payload should be either TCP or UDP.
+ */
+int
+em_check_ptype(int portid)
+{
+	int i, ret;
+	int ptype_l3_ipv4_ext = 0;
+	int ptype_l3_ipv6_ext = 0;
+	int ptype_l4_tcp = 0;
+	int ptype_l4_udp = 0;
+	uint32_t ptype_mask = RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK;
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+	if (ret <= 0)
+		return 0;
+
+	uint32_t ptypes[ret];
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+	for (i = 0; i < ret; ++i) {
+		switch (ptypes[i]) {
+		case RTE_PTYPE_L3_IPV4_EXT:
+			ptype_l3_ipv4_ext = 1;
+			break;
+		case RTE_PTYPE_L3_IPV6_EXT:
+			ptype_l3_ipv6_ext = 1;
+			break;
+		case RTE_PTYPE_L4_TCP:
+			ptype_l4_tcp = 1;
+			break;
+		case RTE_PTYPE_L4_UDP:
+			ptype_l4_udp = 1;
+			break;
+		}
+	}
+
+	if (ptype_l3_ipv4_ext == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV4_EXT\n", portid);
+	if (ptype_l3_ipv6_ext == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV6_EXT\n", portid);
+	if (!ptype_l3_ipv4_ext || !ptype_l3_ipv6_ext)
+		return 0;
+
+	if (ptype_l4_tcp == 0)
+		printf("port %d cannot parse RTE_PTYPE_L4_TCP\n", portid);
+	if (ptype_l4_udp == 0)
+		printf("port %d cannot parse RTE_PTYPE_L4_UDP\n", portid);
+	if (ptype_l4_tcp && ptype_l4_udp)
+		return 1;
+
+	return 0;
+}
+
+static inline void
+em_parse_ptype(struct rte_mbuf *m)
+{
+	struct ether_hdr *eth_hdr;
+	uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+	uint16_t ether_type;
+	void *l3;
+	int hdr_len;
+	struct ipv4_hdr *ipv4_hdr;
+	struct ipv6_hdr *ipv6_hdr;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+	ether_type = eth_hdr->ether_type;
+	l3 = (uint8_t *)eth_hdr + sizeof(struct ether_hdr);
+	if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+		ipv4_hdr = (struct ipv4_hdr *)l3;
+		hdr_len = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
+			  IPV4_IHL_MULTIPLIER;
+		if (hdr_len == sizeof(struct ipv4_hdr)) {
+			packet_type |= RTE_PTYPE_L3_IPV4;
+			if (ipv4_hdr->next_proto_id == IPPROTO_TCP)
+				packet_type |= RTE_PTYPE_L4_TCP;
+			else if (ipv4_hdr->next_proto_id == IPPROTO_UDP)
+				packet_type |= RTE_PTYPE_L4_UDP;
+		} else
+			packet_type |= RTE_PTYPE_L3_IPV4_EXT;
+	} else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
+		ipv6_hdr = (struct ipv6_hdr *)l3;
+		if (ipv6_hdr->proto == IPPROTO_TCP)
+			packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_TCP;
+		else if (ipv6_hdr->proto == IPPROTO_UDP)
+			packet_type |= RTE_PTYPE_L3_IPV6 | RTE_PTYPE_L4_UDP;
+		else
+			packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+	}
+
+	m->packet_type = packet_type;
+}
+
+uint16_t
+em_cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+		  struct rte_mbuf *pkts[], uint16_t nb_pkts,
+		  uint16_t max_pkts __rte_unused,
+		  void *user_param __rte_unused)
+{
+	unsigned i;
+
+	for (i = 0; i < nb_pkts; ++i)
+		em_parse_ptype(pkts[i]);
+
+	return nb_pkts;
+}
+
+/* main processing loop */
+int
+em_main_loop(__attribute__((unused)) void *dummy)
+{
+	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+	unsigned lcore_id;
+	uint64_t prev_tsc, diff_tsc, cur_tsc;
+	int i, nb_rx;
+	uint8_t portid, queueid;
+	struct lcore_conf *qconf;
+	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+		US_PER_S * BURST_TX_DRAIN_US;
+
+	prev_tsc = 0;
+
+	lcore_id = rte_lcore_id();
+	qconf = &lcore_conf[lcore_id];
+
+	if (qconf->n_rx_queue == 0) {
+		RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
+		return 0;
+	}
+
+	RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
+
+	for (i = 0; i < qconf->n_rx_queue; i++) {
+
+		portid = qconf->rx_queue_list[i].port_id;
+		queueid = qconf->rx_queue_list[i].queue_id;
+		RTE_LOG(INFO, L3FWD,
+			" -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+			lcore_id, portid, queueid);
+	}
+
+	while (!force_quit) {
+
+		cur_tsc = rte_rdtsc();
+
+		/*
+		 * TX burst queue drain
+		 */
+		diff_tsc = cur_tsc - prev_tsc;
+		if (unlikely(diff_tsc > drain_tsc)) {
+
+			for (i = 0; i < qconf->n_tx_port; ++i) {
+				portid = qconf->tx_port_id[i];
+				if (qconf->tx_mbufs[portid].len == 0)
+					continue;
+				send_burst(qconf,
+					qconf->tx_mbufs[portid].len,
+					portid);
+				qconf->tx_mbufs[portid].len = 0;
+			}
+
+			prev_tsc = cur_tsc;
+		}
+
+		/*
+		 * Read packet from RX queues
+		 */
+		for (i = 0; i < qconf->n_rx_queue; ++i) {
+			portid = qconf->rx_queue_list[i].port_id;
+			queueid = qconf->rx_queue_list[i].queue_id;
+			nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+				MAX_PKT_BURST);
+			if (nb_rx == 0)
+				continue;
+
+#if defined(__SSE4_1__)
+			l3fwd_em_send_packets(nb_rx, pkts_burst,
+							portid, qconf);
+#else
+			l3fwd_em_no_opt_send_packets(nb_rx, pkts_burst,
+							portid, qconf);
+#endif /* __SSE_4_1__ */
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Initialize exact match (hash) parameters.
+ */
+void
+setup_hash(const int socketid)
+{
+	struct rte_hash_parameters ipv4_l3fwd_hash_params = {
+		.name = NULL,
+		.entries = L3FWD_HASH_ENTRIES,
+		.key_len = sizeof(union ipv4_5tuple_host),
+		.hash_func = ipv4_hash_crc,
+		.hash_func_init_val = 0,
+	};
+
+	struct rte_hash_parameters ipv6_l3fwd_hash_params = {
+		.name = NULL,
+		.entries = L3FWD_HASH_ENTRIES,
+		.key_len = sizeof(union ipv6_5tuple_host),
+		.hash_func = ipv6_hash_crc,
+		.hash_func_init_val = 0,
+	};
+
+	char s[64];
+
+	/* create ipv4 hash */
+	snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
+	ipv4_l3fwd_hash_params.name = s;
+	ipv4_l3fwd_hash_params.socket_id = socketid;
+	ipv4_l3fwd_em_lookup_struct[socketid] =
+		rte_hash_create(&ipv4_l3fwd_hash_params);
+	if (ipv4_l3fwd_em_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd hash on socket %d\n",
+			socketid);
+
+	/* create ipv6 hash */
+	snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
+	ipv6_l3fwd_hash_params.name = s;
+	ipv6_l3fwd_hash_params.socket_id = socketid;
+	ipv6_l3fwd_em_lookup_struct[socketid] =
+		rte_hash_create(&ipv6_l3fwd_hash_params);
+	if (ipv6_l3fwd_em_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd hash on socket %d\n",
+			socketid);
+
+	if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
+		/* For testing hash matching with a large number of flows we
+		 * generate millions of IP 5-tuples with an incremented dst
+		 * address to initialize the hash table. */
+		if (ipv6 == 0) {
+			/* populate the ipv4 hash */
+			populate_ipv4_many_flow_into_table(
+				ipv4_l3fwd_em_lookup_struct[socketid],
+				hash_entry_number);
+		} else {
+			/* populate the ipv6 hash */
+			populate_ipv6_many_flow_into_table(
+				ipv6_l3fwd_em_lookup_struct[socketid],
+				hash_entry_number);
+		}
+	} else {
+		/*
+		 * Use data in ipv4/ipv6 l3fwd lookup table
+		 * directly to initialize the hash table.
+		 */
+		if (ipv6 == 0) {
+			/* populate the ipv4 hash */
+			populate_ipv4_few_flow_into_table(
+				ipv4_l3fwd_em_lookup_struct[socketid]);
+		} else {
+			/* populate the ipv6 hash */
+			populate_ipv6_few_flow_into_table(
+				ipv6_l3fwd_em_lookup_struct[socketid]);
+		}
+	}
+}
+
+/* Return ipv4/ipv6 em fwd lookup struct. */
+void *
+em_get_ipv4_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv4_l3fwd_em_lookup_struct[socketid];
+}
+
+void *
+em_get_ipv6_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv6_l3fwd_em_lookup_struct[socketid];
+}
diff --git a/examples/l3fwd/l3fwd_em.h b/examples/l3fwd/l3fwd_em.h
new file mode 100644
index 00000000..2284bbd5
--- /dev/null
+++ b/examples/l3fwd/l3fwd_em.h
@@ -0,0 +1,138 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 __L3FWD_EM_H__
+#define __L3FWD_EM_H__
+
+static inline __attribute__((always_inline)) void
+l3fwd_em_simple_forward(struct rte_mbuf *m, uint8_t portid,
+		struct lcore_conf *qconf)
+{
+	struct ether_hdr *eth_hdr;
+	struct ipv4_hdr *ipv4_hdr;
+	uint8_t dst_port;
+	uint32_t tcp_or_udp;
+	uint32_t l3_ptypes;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+	tcp_or_udp = m->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+	l3_ptypes = m->packet_type & RTE_PTYPE_L3_MASK;
+
+	if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
+		/* Handle IPv4 headers.*/
+		ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
+						   sizeof(struct ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Check to make sure the packet is valid (RFC1812) */
+		if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+			rte_pktmbuf_free(m);
+			return;
+		}
+#endif
+		dst_port = em_get_ipv4_dst_port(ipv4_hdr, portid,
+						qconf->ipv4_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Update time to live and header checksum */
+		--(ipv4_hdr->time_to_live);
+		++(ipv4_hdr->hdr_checksum);
+#endif
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
+		/* Handle IPv6 headers.*/
+		struct ipv6_hdr *ipv6_hdr;
+
+		ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
+						   sizeof(struct ether_hdr));
+
+		dst_port = em_get_ipv6_dst_port(ipv6_hdr, portid,
+					qconf->ipv6_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else {
+		/* Free the mbuf that contains non-IPV4/IPV6 packet */
+		rte_pktmbuf_free(m);
+	}
+}
+
+/*
+ * Buffer non-optimized handling of packets, invoked
+ * from main_loop.
+ */
+static inline void
+l3fwd_em_no_opt_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+			uint8_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+
+	/* Prefetch first packets */
+	for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
+
+	/*
+	 * Prefetch and forward already prefetched
+	 * packets.
+	 */
+	for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+				j + PREFETCH_OFFSET], void *));
+		l3fwd_em_simple_forward(pkts_burst[j], portid, qconf);
+	}
+
+	/* Forward remaining prefetched packets */
+	for (; j < nb_rx; j++)
+		l3fwd_em_simple_forward(pkts_burst[j], portid, qconf);
+}
+
+#endif /* __L3FWD_EM_H__ */
diff --git a/examples/l3fwd/l3fwd_em_hlm_sse.h b/examples/l3fwd/l3fwd_em_hlm_sse.h
new file mode 100644
index 00000000..5001c724
--- /dev/null
+++ b/examples/l3fwd/l3fwd_em_hlm_sse.h
@@ -0,0 +1,342 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 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 __L3FWD_EM_HLM_SSE_H__
+#define __L3FWD_EM_HLM_SSE_H__
+
+#include "l3fwd_sse.h"
+
+static inline __attribute__((always_inline)) void
+em_get_dst_port_ipv4x8(struct lcore_conf *qconf, struct rte_mbuf *m[8],
+		uint8_t portid, uint16_t dst_port[8])
+{
+	int32_t ret[8];
+	union ipv4_5tuple_host key[8];
+	__m128i data[8];
+
+	data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+	data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv4_hdr, time_to_live)));
+
+	key[0].xmm = _mm_and_si128(data[0], mask0.x);
+	key[1].xmm = _mm_and_si128(data[1], mask0.x);
+	key[2].xmm = _mm_and_si128(data[2], mask0.x);
+	key[3].xmm = _mm_and_si128(data[3], mask0.x);
+	key[4].xmm = _mm_and_si128(data[4], mask0.x);
+	key[5].xmm = _mm_and_si128(data[5], mask0.x);
+	key[6].xmm = _mm_and_si128(data[6], mask0.x);
+	key[7].xmm = _mm_and_si128(data[7], mask0.x);
+
+	const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
+				&key[4], &key[5], &key[6], &key[7]};
+
+	rte_hash_lookup_multi(qconf->ipv4_lookup_struct, &key_array[0], 8, ret);
+
+	dst_port[0] = (uint8_t) ((ret[0] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[0]]);
+	dst_port[1] = (uint8_t) ((ret[1] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[1]]);
+	dst_port[2] = (uint8_t) ((ret[2] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[2]]);
+	dst_port[3] = (uint8_t) ((ret[3] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[3]]);
+	dst_port[4] = (uint8_t) ((ret[4] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[4]]);
+	dst_port[5] = (uint8_t) ((ret[5] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[5]]);
+	dst_port[6] = (uint8_t) ((ret[6] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[6]]);
+	dst_port[7] = (uint8_t) ((ret[7] < 0) ?
+			portid : ipv4_l3fwd_out_if[ret[7]]);
+
+	if (dst_port[0] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[0]) == 0)
+		dst_port[0] = portid;
+
+	if (dst_port[1] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[1]) == 0)
+		dst_port[1] = portid;
+
+	if (dst_port[2] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[2]) == 0)
+		dst_port[2] = portid;
+
+	if (dst_port[3] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[3]) == 0)
+		dst_port[3] = portid;
+
+	if (dst_port[4] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[4]) == 0)
+		dst_port[4] = portid;
+
+	if (dst_port[5] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[5]) == 0)
+		dst_port[5] = portid;
+
+	if (dst_port[6] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[6]) == 0)
+		dst_port[6] = portid;
+
+	if (dst_port[7] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[7]) == 0)
+		dst_port[7] = portid;
+
+}
+
+static inline void
+get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
+		__m128i mask1, union ipv6_5tuple_host *key)
+{
+	__m128i tmpdata0 = _mm_loadu_si128(
+			rte_pktmbuf_mtod_offset(m0, __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv6_hdr, payload_len)));
+
+	__m128i tmpdata1 = _mm_loadu_si128(
+			rte_pktmbuf_mtod_offset(m0, __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv6_hdr, payload_len) +
+				sizeof(__m128i)));
+
+	__m128i tmpdata2 = _mm_loadu_si128(
+			rte_pktmbuf_mtod_offset(m0, __m128i *,
+				sizeof(struct ether_hdr) +
+				offsetof(struct ipv6_hdr, payload_len) +
+				sizeof(__m128i) + sizeof(__m128i)));
+
+	key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
+	key->xmm[1] = tmpdata1;
+	key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
+}
+
+static inline __attribute__((always_inline)) void
+em_get_dst_port_ipv6x8(struct lcore_conf *qconf, struct rte_mbuf *m[8],
+		uint8_t portid, uint16_t dst_port[8])
+{
+	int32_t ret[8];
+	union ipv6_5tuple_host key[8];
+
+	get_ipv6_5tuple(m[0], mask1.x, mask2.x, &key[0]);
+	get_ipv6_5tuple(m[1], mask1.x, mask2.x, &key[1]);
+	get_ipv6_5tuple(m[2], mask1.x, mask2.x, &key[2]);
+	get_ipv6_5tuple(m[3], mask1.x, mask2.x, &key[3]);
+	get_ipv6_5tuple(m[4], mask1.x, mask2.x, &key[4]);
+	get_ipv6_5tuple(m[5], mask1.x, mask2.x, &key[5]);
+	get_ipv6_5tuple(m[6], mask1.x, mask2.x, &key[6]);
+	get_ipv6_5tuple(m[7], mask1.x, mask2.x, &key[7]);
+
+	const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
+			&key[4], &key[5], &key[6], &key[7]};
+
+	rte_hash_lookup_multi(qconf->ipv6_lookup_struct, &key_array[0], 8, ret);
+
+	dst_port[0] = (uint8_t) ((ret[0] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[0]]);
+	dst_port[1] = (uint8_t) ((ret[1] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[1]]);
+	dst_port[2] = (uint8_t) ((ret[2] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[2]]);
+	dst_port[3] = (uint8_t) ((ret[3] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[3]]);
+	dst_port[4] = (uint8_t) ((ret[4] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[4]]);
+	dst_port[5] = (uint8_t) ((ret[5] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[5]]);
+	dst_port[6] = (uint8_t) ((ret[6] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[6]]);
+	dst_port[7] = (uint8_t) ((ret[7] < 0) ?
+			portid : ipv6_l3fwd_out_if[ret[7]]);
+
+	if (dst_port[0] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[0]) == 0)
+		dst_port[0] = portid;
+
+	if (dst_port[1] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[1]) == 0)
+		dst_port[1] = portid;
+
+	if (dst_port[2] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[2]) == 0)
+		dst_port[2] = portid;
+
+	if (dst_port[3] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[3]) == 0)
+		dst_port[3] = portid;
+
+	if (dst_port[4] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[4]) == 0)
+		dst_port[4] = portid;
+
+	if (dst_port[5] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[5]) == 0)
+		dst_port[5] = portid;
+
+	if (dst_port[6] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[6]) == 0)
+		dst_port[6] = portid;
+
+	if (dst_port[7] >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port[7]) == 0)
+		dst_port[7] = portid;
+
+}
+
+static inline __attribute__((always_inline)) uint16_t
+em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+		uint8_t portid)
+{
+	uint8_t next_hop;
+	struct ipv4_hdr *ipv4_hdr;
+	struct ipv6_hdr *ipv6_hdr;
+	uint32_t tcp_or_udp;
+	uint32_t l3_ptypes;
+
+	tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+	l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
+
+	if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
+
+		/* Handle IPv4 headers.*/
+		ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
+				sizeof(struct ether_hdr));
+
+		next_hop = em_get_ipv4_dst_port(ipv4_hdr, portid,
+				qconf->ipv4_lookup_struct);
+
+		if (next_hop >= RTE_MAX_ETHPORTS ||
+				(enabled_port_mask & 1 << next_hop) == 0)
+			next_hop = portid;
+
+		return next_hop;
+
+	} else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
+
+		/* Handle IPv6 headers.*/
+		ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv6_hdr *,
+				sizeof(struct ether_hdr));
+
+		next_hop = em_get_ipv6_dst_port(ipv6_hdr, portid,
+				qconf->ipv6_lookup_struct);
+
+		if (next_hop >= RTE_MAX_ETHPORTS ||
+				(enabled_port_mask & 1 << next_hop) == 0)
+			next_hop = portid;
+
+		return next_hop;
+
+	}
+
+	return portid;
+}
+
+/*
+ * Buffer optimized handling of packets, invoked
+ * from main_loop.
+ */
+static inline void
+l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+		uint8_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+	uint16_t dst_port[MAX_PKT_BURST];
+
+	/*
+	 * Send nb_rx - nb_rx%8 packets
+	 * in groups of 8.
+	 */
+	int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
+
+	for (j = 0; j < n; j += 8) {
+
+		uint32_t pkt_type =
+			pkts_burst[j]->packet_type &
+			pkts_burst[j+1]->packet_type &
+			pkts_burst[j+2]->packet_type &
+			pkts_burst[j+3]->packet_type &
+			pkts_burst[j+4]->packet_type &
+			pkts_burst[j+5]->packet_type &
+			pkts_burst[j+6]->packet_type &
+			pkts_burst[j+7]->packet_type;
+
+		uint32_t l3_type = pkt_type & RTE_PTYPE_L3_MASK;
+		uint32_t tcp_or_udp = pkt_type &
+			(RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+
+		if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV4)) {
+
+			em_get_dst_port_ipv4x8(qconf, &pkts_burst[j], portid, &dst_port[j]);
+
+		} else if (tcp_or_udp && (l3_type == RTE_PTYPE_L3_IPV6)) {
+
+			em_get_dst_port_ipv6x8(qconf, &pkts_burst[j], portid, &dst_port[j]);
+
+		} else {
+			dst_port[j]   = em_get_dst_port(qconf, pkts_burst[j], portid);
+			dst_port[j+1] = em_get_dst_port(qconf, pkts_burst[j+1], portid);
+			dst_port[j+2] = em_get_dst_port(qconf, pkts_burst[j+2], portid);
+			dst_port[j+3] = em_get_dst_port(qconf, pkts_burst[j+3], portid);
+			dst_port[j+4] = em_get_dst_port(qconf, pkts_burst[j+4], portid);
+			dst_port[j+5] = em_get_dst_port(qconf, pkts_burst[j+5], portid);
+			dst_port[j+6] = em_get_dst_port(qconf, pkts_burst[j+6], portid);
+			dst_port[j+7] = em_get_dst_port(qconf, pkts_burst[j+7], portid);
+		}
+	}
+
+	for (; j < nb_rx; j++)
+		dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
+
+	send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
+
+}
+#endif /* __L3FWD_EM_SSE_HLM_H__ */
diff --git a/examples/l3fwd/l3fwd_em_sse.h b/examples/l3fwd/l3fwd_em_sse.h
new file mode 100644
index 00000000..c0a9725a
--- /dev/null
+++ b/examples/l3fwd/l3fwd_em_sse.h
@@ -0,0 +1,112 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 __L3FWD_EM_SSE_H__
+#define __L3FWD_EM_SSE_H__
+
+/**
+ * @file
+ * This is an optional implementation of packet classification in Exact-Match
+ * path using sequential packet classification method.
+ * While hash lookup multi seems to provide better performance, it's disabled
+ * by default and can be enabled with NO_HASH_LOOKUP_MULTI global define in
+ * compilation time.
+ */
+
+#include "l3fwd_sse.h"
+
+static inline __attribute__((always_inline)) uint16_t
+em_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+		uint8_t portid)
+{
+	uint8_t next_hop;
+	struct ipv4_hdr *ipv4_hdr;
+	struct ipv6_hdr *ipv6_hdr;
+	uint32_t tcp_or_udp;
+	uint32_t l3_ptypes;
+
+	tcp_or_udp = pkt->packet_type & (RTE_PTYPE_L4_TCP | RTE_PTYPE_L4_UDP);
+	l3_ptypes = pkt->packet_type & RTE_PTYPE_L3_MASK;
+
+	if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV4)) {
+
+		/* Handle IPv4 headers.*/
+		ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
+				sizeof(struct ether_hdr));
+
+		next_hop = em_get_ipv4_dst_port(ipv4_hdr, portid,
+				qconf->ipv4_lookup_struct);
+
+		if (next_hop >= RTE_MAX_ETHPORTS ||
+				(enabled_port_mask & 1 << next_hop) == 0)
+			next_hop = portid;
+
+		return next_hop;
+
+	} else if (tcp_or_udp && (l3_ptypes == RTE_PTYPE_L3_IPV6)) {
+
+		/* Handle IPv6 headers.*/
+		ipv6_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv6_hdr *,
+				sizeof(struct ether_hdr));
+
+		next_hop = em_get_ipv6_dst_port(ipv6_hdr, portid,
+				qconf->ipv6_lookup_struct);
+
+		if (next_hop >= RTE_MAX_ETHPORTS ||
+				(enabled_port_mask & 1 << next_hop) == 0)
+			next_hop = portid;
+
+		return next_hop;
+
+	}
+
+	return portid;
+}
+
+/*
+ * Buffer optimized handling of packets, invoked
+ * from main_loop.
+ */
+static inline void
+l3fwd_em_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+			uint8_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+	uint16_t dst_port[MAX_PKT_BURST];
+
+	for (j = 0; j < nb_rx; j++)
+		dst_port[j] = em_get_dst_port(qconf, pkts_burst[j], portid);
+
+	send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
+}
+#endif /* __L3FWD_EM_SSE_H__ */
diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c
new file mode 100644
index 00000000..d941bdfd
--- /dev/null
+++ b/examples/l3fwd/l3fwd_lpm.c
@@ -0,0 +1,356 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdbool.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+
+#include "l3fwd.h"
+
+struct ipv4_l3fwd_lpm_route {
+	uint32_t ip;
+	uint8_t  depth;
+	uint8_t  if_out;
+};
+
+struct ipv6_l3fwd_lpm_route {
+	uint8_t ip[16];
+	uint8_t  depth;
+	uint8_t  if_out;
+};
+
+static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
+	{IPv4(1, 1, 1, 0), 24, 0},
+	{IPv4(2, 1, 1, 0), 24, 1},
+	{IPv4(3, 1, 1, 0), 24, 2},
+	{IPv4(4, 1, 1, 0), 24, 3},
+	{IPv4(5, 1, 1, 0), 24, 4},
+	{IPv4(6, 1, 1, 0), 24, 5},
+	{IPv4(7, 1, 1, 0), 24, 6},
+	{IPv4(8, 1, 1, 0), 24, 7},
+};
+
+static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
+	{{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
+	{{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
+	{{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
+	{{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
+	{{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
+	{{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
+	{{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
+	{{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
+};
+
+#define IPV4_L3FWD_LPM_NUM_ROUTES \
+	(sizeof(ipv4_l3fwd_lpm_route_array) / sizeof(ipv4_l3fwd_lpm_route_array[0]))
+#define IPV6_L3FWD_LPM_NUM_ROUTES \
+	(sizeof(ipv6_l3fwd_lpm_route_array) / sizeof(ipv6_l3fwd_lpm_route_array[0]))
+
+#define IPV4_L3FWD_LPM_MAX_RULES         1024
+#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
+#define IPV6_L3FWD_LPM_MAX_RULES         1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
+
+struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+
+#if defined(__SSE4_1__)
+#include "l3fwd_lpm_sse.h"
+#else
+#include "l3fwd_lpm.h"
+#endif
+
+/* main processing loop */
+int
+lpm_main_loop(__attribute__((unused)) void *dummy)
+{
+	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+	unsigned lcore_id;
+	uint64_t prev_tsc, diff_tsc, cur_tsc;
+	int i, nb_rx;
+	uint8_t portid, queueid;
+	struct lcore_conf *qconf;
+	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+		US_PER_S * BURST_TX_DRAIN_US;
+
+	prev_tsc = 0;
+
+	lcore_id = rte_lcore_id();
+	qconf = &lcore_conf[lcore_id];
+
+	if (qconf->n_rx_queue == 0) {
+		RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
+		return 0;
+	}
+
+	RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
+
+	for (i = 0; i < qconf->n_rx_queue; i++) {
+
+		portid = qconf->rx_queue_list[i].port_id;
+		queueid = qconf->rx_queue_list[i].queue_id;
+		RTE_LOG(INFO, L3FWD,
+			" -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+			lcore_id, portid, queueid);
+	}
+
+	while (!force_quit) {
+
+		cur_tsc = rte_rdtsc();
+
+		/*
+		 * TX burst queue drain
+		 */
+		diff_tsc = cur_tsc - prev_tsc;
+		if (unlikely(diff_tsc > drain_tsc)) {
+
+			for (i = 0; i < qconf->n_tx_port; ++i) {
+				portid = qconf->tx_port_id[i];
+				if (qconf->tx_mbufs[portid].len == 0)
+					continue;
+				send_burst(qconf,
+					qconf->tx_mbufs[portid].len,
+					portid);
+				qconf->tx_mbufs[portid].len = 0;
+			}
+
+			prev_tsc = cur_tsc;
+		}
+
+		/*
+		 * Read packet from RX queues
+		 */
+		for (i = 0; i < qconf->n_rx_queue; ++i) {
+			portid = qconf->rx_queue_list[i].port_id;
+			queueid = qconf->rx_queue_list[i].queue_id;
+			nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+				MAX_PKT_BURST);
+			if (nb_rx == 0)
+				continue;
+
+#if defined(__SSE4_1__)
+			l3fwd_lpm_send_packets(nb_rx, pkts_burst,
+						portid, qconf);
+#else
+			l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst,
+							portid, qconf);
+#endif /* __SSE_4_1__ */
+		}
+	}
+
+	return 0;
+}
+
+void
+setup_lpm(const int socketid)
+{
+	struct rte_lpm6_config config;
+	struct rte_lpm_config config_ipv4;
+	unsigned i;
+	int ret;
+	char s[64];
+
+	/* create the LPM table */
+	config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
+	config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
+	config_ipv4.flags = 0;
+	snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+	ipv4_l3fwd_lpm_lookup_struct[socketid] =
+			rte_lpm_create(s, socketid, &config_ipv4);
+	if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd LPM table on socket %d\n",
+			socketid);
+
+	/* populate the LPM table */
+	for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
+
+		/* skip unused ports */
+		if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
+				enabled_port_mask) == 0)
+			continue;
+
+		ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
+			ipv4_l3fwd_lpm_route_array[i].ip,
+			ipv4_l3fwd_lpm_route_array[i].depth,
+			ipv4_l3fwd_lpm_route_array[i].if_out);
+
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE,
+				"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+				i, socketid);
+		}
+
+		printf("LPM: Adding route 0x%08x / %d (%d)\n",
+			(unsigned)ipv4_l3fwd_lpm_route_array[i].ip,
+			ipv4_l3fwd_lpm_route_array[i].depth,
+			ipv4_l3fwd_lpm_route_array[i].if_out);
+	}
+
+	/* create the LPM6 table */
+	snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+	config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+	config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+	config.flags = 0;
+	ipv6_l3fwd_lpm_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+				&config);
+	if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd LPM table on socket %d\n",
+			socketid);
+
+	/* populate the LPM table */
+	for (i = 0; i < IPV6_L3FWD_LPM_NUM_ROUTES; i++) {
+
+		/* skip unused ports */
+		if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
+				enabled_port_mask) == 0)
+			continue;
+
+		ret = rte_lpm6_add(ipv6_l3fwd_lpm_lookup_struct[socketid],
+			ipv6_l3fwd_lpm_route_array[i].ip,
+			ipv6_l3fwd_lpm_route_array[i].depth,
+			ipv6_l3fwd_lpm_route_array[i].if_out);
+
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE,
+				"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+				i, socketid);
+		}
+
+		printf("LPM: Adding route %s / %d (%d)\n",
+			"IPV6",
+			ipv6_l3fwd_lpm_route_array[i].depth,
+			ipv6_l3fwd_lpm_route_array[i].if_out);
+	}
+}
+
+int
+lpm_check_ptype(int portid)
+{
+	int i, ret;
+	int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
+	uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+	if (ret <= 0)
+		return 0;
+
+	uint32_t ptypes[ret];
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+	for (i = 0; i < ret; ++i) {
+		if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+			ptype_l3_ipv4 = 1;
+		if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+			ptype_l3_ipv6 = 1;
+	}
+
+	if (ptype_l3_ipv4 == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+	if (ptype_l3_ipv6 == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+	if (ptype_l3_ipv4 && ptype_l3_ipv6)
+		return 1;
+
+	return 0;
+
+}
+
+static inline void
+lpm_parse_ptype(struct rte_mbuf *m)
+{
+	struct ether_hdr *eth_hdr;
+	uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+	uint16_t ether_type;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+	ether_type = eth_hdr->ether_type;
+	if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+		packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+	else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+		packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+	m->packet_type = packet_type;
+}
+
+uint16_t
+lpm_cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+		   struct rte_mbuf *pkts[], uint16_t nb_pkts,
+		   uint16_t max_pkts __rte_unused,
+		   void *user_param __rte_unused)
+{
+	unsigned i;
+
+	for (i = 0; i < nb_pkts; ++i)
+		lpm_parse_ptype(pkts[i]);
+
+	return nb_pkts;
+}
+
+/* Return ipv4/ipv6 lpm fwd lookup struct. */
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv4_l3fwd_lpm_lookup_struct[socketid];
+}
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv6_l3fwd_lpm_lookup_struct[socketid];
+}
diff --git a/examples/l3fwd/l3fwd_lpm.h b/examples/l3fwd/l3fwd_lpm.h
new file mode 100644
index 00000000..a43c5070
--- /dev/null
+++ b/examples/l3fwd/l3fwd_lpm.h
@@ -0,0 +1,151 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 __L3FWD_LPM_H__
+#define __L3FWD_LPM_H__
+
+static inline uint8_t
+lpm_get_ipv4_dst_port(void *ipv4_hdr,  uint8_t portid, void *lookup_struct)
+{
+	uint32_t next_hop;
+	struct rte_lpm *ipv4_l3fwd_lookup_struct =
+		(struct rte_lpm *)lookup_struct;
+
+	return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
+		rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
+		&next_hop) == 0) ? next_hop : portid);
+}
+
+static inline uint8_t
+lpm_get_ipv6_dst_port(void *ipv6_hdr,  uint8_t portid, void *lookup_struct)
+{
+	uint8_t next_hop;
+	struct rte_lpm6 *ipv6_l3fwd_lookup_struct =
+		(struct rte_lpm6 *)lookup_struct;
+
+	return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
+			((struct ipv6_hdr *)ipv6_hdr)->dst_addr,
+			&next_hop) == 0) ?  next_hop : portid);
+}
+
+static inline __attribute__((always_inline)) void
+l3fwd_lpm_simple_forward(struct rte_mbuf *m, uint8_t portid,
+		struct lcore_conf *qconf)
+{
+	struct ether_hdr *eth_hdr;
+	struct ipv4_hdr *ipv4_hdr;
+	uint8_t dst_port;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+
+	if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+		/* Handle IPv4 headers.*/
+		ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
+						   sizeof(struct ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Check to make sure the packet is valid (RFC1812) */
+		if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+			rte_pktmbuf_free(m);
+			return;
+		}
+#endif
+		 dst_port = lpm_get_ipv4_dst_port(ipv4_hdr, portid,
+						qconf->ipv4_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Update time to live and header checksum */
+		--(ipv4_hdr->time_to_live);
+		++(ipv4_hdr->hdr_checksum);
+#endif
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+		/* Handle IPv6 headers.*/
+		struct ipv6_hdr *ipv6_hdr;
+
+		ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
+						   sizeof(struct ether_hdr));
+
+		dst_port = lpm_get_ipv6_dst_port(ipv6_hdr, portid,
+					qconf->ipv6_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else {
+		/* Free the mbuf that contains non-IPV4/IPV6 packet */
+		rte_pktmbuf_free(m);
+	}
+}
+
+static inline void
+l3fwd_lpm_no_opt_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+				uint8_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+
+	/* Prefetch first packets */
+	for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
+
+	/* Prefetch and forward already prefetched packets. */
+	for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+				j + PREFETCH_OFFSET], void *));
+		l3fwd_lpm_simple_forward(pkts_burst[j], portid, qconf);
+	}
+
+	/* Forward remaining prefetched packets */
+	for (; j < nb_rx; j++)
+		l3fwd_lpm_simple_forward(pkts_burst[j], portid, qconf);
+}
+
+#endif /* __L3FWD_LPM_H__ */
diff --git a/examples/l3fwd/l3fwd_lpm_sse.h b/examples/l3fwd/l3fwd_lpm_sse.h
new file mode 100644
index 00000000..538fe3d7
--- /dev/null
+++ b/examples/l3fwd/l3fwd_lpm_sse.h
@@ -0,0 +1,213 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 __L3FWD_LPM_SSE_H__
+#define __L3FWD_LPM_SSE_H__
+
+#include "l3fwd_sse.h"
+
+static inline __attribute__((always_inline)) uint16_t
+lpm_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+		uint8_t portid)
+{
+	uint32_t next_hop_ipv4;
+	uint8_t next_hop_ipv6;
+	struct ipv6_hdr *ipv6_hdr;
+	struct ipv4_hdr *ipv4_hdr;
+	struct ether_hdr *eth_hdr;
+
+	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+		ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+
+		return (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct,
+				rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop_ipv4) == 0) ?
+						next_hop_ipv4 : portid);
+
+	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+		ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+
+		return (uint16_t) ((rte_lpm6_lookup(qconf->ipv6_lookup_struct,
+				ipv6_hdr->dst_addr, &next_hop_ipv6) == 0)
+				? next_hop_ipv6 : portid);
+
+	}
+
+	return portid;
+}
+
+/*
+ * lpm_get_dst_port optimized routine for packets where dst_ipv4 is already
+ * precalculated. If packet is ipv6 dst_addr is taken directly from packet
+ * header and dst_ipv4 value is not used.
+ */
+static inline __attribute__((always_inline)) uint16_t
+lpm_get_dst_port_with_ipv4(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+	uint32_t dst_ipv4, uint8_t portid)
+{
+	uint32_t next_hop_ipv4;
+	uint8_t next_hop_ipv6;
+	struct ipv6_hdr *ipv6_hdr;
+	struct ether_hdr *eth_hdr;
+
+	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+		return (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct, dst_ipv4,
+			&next_hop_ipv4) == 0) ? next_hop_ipv4 : portid);
+
+	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+		ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+
+		return (uint16_t) ((rte_lpm6_lookup(qconf->ipv6_lookup_struct,
+				ipv6_hdr->dst_addr, &next_hop_ipv6) == 0)
+				? next_hop_ipv6 : portid);
+
+	}
+
+	return portid;
+
+}
+
+/*
+ * Read packet_type and destination IPV4 addresses from 4 mbufs.
+ */
+static inline void
+processx4_step1(struct rte_mbuf *pkt[FWDSTEP],
+		__m128i *dip,
+		uint32_t *ipv4_flag)
+{
+	struct ipv4_hdr *ipv4_hdr;
+	struct ether_hdr *eth_hdr;
+	uint32_t x0, x1, x2, x3;
+
+	eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *);
+	ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+	x0 = ipv4_hdr->dst_addr;
+	ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4;
+
+	eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *);
+	ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+	x1 = ipv4_hdr->dst_addr;
+	ipv4_flag[0] &= pkt[1]->packet_type;
+
+	eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *);
+	ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+	x2 = ipv4_hdr->dst_addr;
+	ipv4_flag[0] &= pkt[2]->packet_type;
+
+	eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *);
+	ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+	x3 = ipv4_hdr->dst_addr;
+	ipv4_flag[0] &= pkt[3]->packet_type;
+
+	dip[0] = _mm_set_epi32(x3, x2, x1, x0);
+}
+
+/*
+ * Lookup into LPM for destination port.
+ * If lookup fails, use incoming port (portid) as destination port.
+ */
+static inline void
+processx4_step2(const struct lcore_conf *qconf,
+		__m128i dip,
+		uint32_t ipv4_flag,
+		uint8_t portid,
+		struct rte_mbuf *pkt[FWDSTEP],
+		uint16_t dprt[FWDSTEP])
+{
+	rte_xmm_t dst;
+	const  __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
+						4, 5, 6, 7, 0, 1, 2, 3);
+
+	/* Byte swap 4 IPV4 addresses. */
+	dip = _mm_shuffle_epi8(dip, bswap_mask);
+
+	/* if all 4 packets are IPV4. */
+	if (likely(ipv4_flag)) {
+		rte_lpm_lookupx4(qconf->ipv4_lookup_struct, dip, dst.u32,
+			portid);
+		/* get rid of unused upper 16 bit for each dport. */
+		dst.x = _mm_packs_epi32(dst.x, dst.x);
+		*(uint64_t *)dprt = dst.u64[0];
+	} else {
+		dst.x = dip;
+		dprt[0] = lpm_get_dst_port_with_ipv4(qconf, pkt[0], dst.u32[0], portid);
+		dprt[1] = lpm_get_dst_port_with_ipv4(qconf, pkt[1], dst.u32[1], portid);
+		dprt[2] = lpm_get_dst_port_with_ipv4(qconf, pkt[2], dst.u32[2], portid);
+		dprt[3] = lpm_get_dst_port_with_ipv4(qconf, pkt[3], dst.u32[3], portid);
+	}
+}
+
+/*
+ * Buffer optimized handling of packets, invoked
+ * from main_loop.
+ */
+static inline void
+l3fwd_lpm_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+			uint8_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+	uint16_t dst_port[MAX_PKT_BURST];
+	__m128i dip[MAX_PKT_BURST / FWDSTEP];
+	uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP];
+	const int32_t k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+
+	for (j = 0; j != k; j += FWDSTEP)
+		processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP],
+				&ipv4_flag[j / FWDSTEP]);
+
+	for (j = 0; j != k; j += FWDSTEP)
+		processx4_step2(qconf, dip[j / FWDSTEP],
+				ipv4_flag[j / FWDSTEP], portid, &pkts_burst[j], &dst_port[j]);
+
+	/* Classify last up to 3 packets one by one */
+	switch (nb_rx % FWDSTEP) {
+	case 3:
+		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
+		j++;
+	case 2:
+		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
+		j++;
+	case 1:
+		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
+		j++;
+	}
+
+	send_packets_multi(qconf, pkts_burst, dst_port, nb_rx);
+}
+
+#endif /* __L3FWD_LPM_SSE_H__ */
diff --git a/examples/l3fwd/l3fwd_sse.h b/examples/l3fwd/l3fwd_sse.h
new file mode 100644
index 00000000..1afa1f00
--- /dev/null
+++ b/examples/l3fwd/l3fwd_sse.h
@@ -0,0 +1,501 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 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 _L3FWD_COMMON_H_
+#define _L3FWD_COMMON_H_
+
+#include "l3fwd.h"
+
+#ifdef DO_RFC_1812_CHECKS
+
+#define	IPV4_MIN_VER_IHL	0x45
+#define	IPV4_MAX_VER_IHL	0x4f
+#define	IPV4_MAX_VER_IHL_DIFF	(IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
+
+/* Minimum value of IPV4 total length (20B) in network byte order. */
+#define	IPV4_MIN_LEN_BE	(sizeof(struct ipv4_hdr) << 8)
+
+/*
+ * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
+ * - The IP version number must be 4.
+ * - The IP header length field must be large enough to hold the
+ *    minimum length legal IP datagram (20 bytes = 5 words).
+ * - The IP total length field must be large enough to hold the IP
+ *   datagram header, whose length is specified in the IP header length
+ *   field.
+ * If we encounter invalid IPV4 packet, then set destination port for it
+ * to BAD_PORT value.
+ */
+static inline __attribute__((always_inline)) void
+rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
+{
+	uint8_t ihl;
+
+	if (RTE_ETH_IS_IPV4_HDR(ptype)) {
+		ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
+
+		ipv4_hdr->time_to_live--;
+		ipv4_hdr->hdr_checksum++;
+
+		if (ihl > IPV4_MAX_VER_IHL_DIFF ||
+				((uint8_t)ipv4_hdr->total_length == 0 &&
+				ipv4_hdr->total_length < IPV4_MIN_LEN_BE))
+			dp[0] = BAD_PORT;
+
+	}
+}
+
+#else
+#define	rfc1812_process(mb, dp, ptype)	do { } while (0)
+#endif /* DO_RFC_1812_CHECKS */
+
+/*
+ * Update source and destination MAC addresses in the ethernet header.
+ * Perform RFC1812 checks and updates for IPV4 packets.
+ */
+static inline void
+processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
+{
+	__m128i te[FWDSTEP];
+	__m128i ve[FWDSTEP];
+	__m128i *p[FWDSTEP];
+
+	p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *);
+	p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *);
+	p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *);
+	p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *);
+
+	ve[0] = val_eth[dst_port[0]];
+	te[0] = _mm_loadu_si128(p[0]);
+
+	ve[1] = val_eth[dst_port[1]];
+	te[1] = _mm_loadu_si128(p[1]);
+
+	ve[2] = val_eth[dst_port[2]];
+	te[2] = _mm_loadu_si128(p[2]);
+
+	ve[3] = val_eth[dst_port[3]];
+	te[3] = _mm_loadu_si128(p[3]);
+
+	/* Update first 12 bytes, keep rest bytes intact. */
+	te[0] =  _mm_blend_epi16(te[0], ve[0], MASK_ETH);
+	te[1] =  _mm_blend_epi16(te[1], ve[1], MASK_ETH);
+	te[2] =  _mm_blend_epi16(te[2], ve[2], MASK_ETH);
+	te[3] =  _mm_blend_epi16(te[3], ve[3], MASK_ETH);
+
+	_mm_storeu_si128(p[0], te[0]);
+	_mm_storeu_si128(p[1], te[1]);
+	_mm_storeu_si128(p[2], te[2]);
+	_mm_storeu_si128(p[3], te[3]);
+
+	rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1),
+		&dst_port[0], pkt[0]->packet_type);
+	rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1),
+		&dst_port[1], pkt[1]->packet_type);
+	rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1),
+		&dst_port[2], pkt[2]->packet_type);
+	rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1),
+		&dst_port[3], pkt[3]->packet_type);
+}
+
+/*
+ * We group consecutive packets with the same destionation port into one burst.
+ * To avoid extra latency this is done together with some other packet
+ * processing, but after we made a final decision about packet's destination.
+ * To do this we maintain:
+ * pnum - array of number of consecutive packets with the same dest port for
+ * each packet in the input burst.
+ * lp - pointer to the last updated element in the pnum.
+ * dlp - dest port value lp corresponds to.
+ */
+
+#define	GRPSZ	(1 << FWDSTEP)
+#define	GRPMSK	(GRPSZ - 1)
+
+#define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx)	do { \
+	if (likely((dlp) == (dcp)[(idx)])) {             \
+		(lp)[0]++;                                   \
+	} else {                                         \
+		(dlp) = (dcp)[idx];                          \
+		(lp) = (pn) + (idx);                         \
+		(lp)[0] = 1;                                 \
+	}                                                \
+} while (0)
+
+/*
+ * Group consecutive packets with the same destination port in bursts of 4.
+ * Suppose we have array of destionation ports:
+ * dst_port[] = {a, b, c, d,, e, ... }
+ * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
+ * We doing 4 comparisions at once and the result is 4 bit mask.
+ * This mask is used as an index into prebuild array of pnum values.
+ */
+static inline uint16_t *
+port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
+{
+	static const struct {
+		uint64_t pnum; /* prebuild 4 values for pnum[]. */
+		int32_t  idx;  /* index for new last updated elemnet. */
+		uint16_t lpv;  /* add value to the last updated element. */
+	} gptbl[GRPSZ] = {
+	{
+		/* 0: a != b, b != c, c != d, d != e */
+		.pnum = UINT64_C(0x0001000100010001),
+		.idx = 4,
+		.lpv = 0,
+	},
+	{
+		/* 1: a == b, b != c, c != d, d != e */
+		.pnum = UINT64_C(0x0001000100010002),
+		.idx = 4,
+		.lpv = 1,
+	},
+	{
+		/* 2: a != b, b == c, c != d, d != e */
+		.pnum = UINT64_C(0x0001000100020001),
+		.idx = 4,
+		.lpv = 0,
+	},
+	{
+		/* 3: a == b, b == c, c != d, d != e */
+		.pnum = UINT64_C(0x0001000100020003),
+		.idx = 4,
+		.lpv = 2,
+	},
+	{
+		/* 4: a != b, b != c, c == d, d != e */
+		.pnum = UINT64_C(0x0001000200010001),
+		.idx = 4,
+		.lpv = 0,
+	},
+	{
+		/* 5: a == b, b != c, c == d, d != e */
+		.pnum = UINT64_C(0x0001000200010002),
+		.idx = 4,
+		.lpv = 1,
+	},
+	{
+		/* 6: a != b, b == c, c == d, d != e */
+		.pnum = UINT64_C(0x0001000200030001),
+		.idx = 4,
+		.lpv = 0,
+	},
+	{
+		/* 7: a == b, b == c, c == d, d != e */
+		.pnum = UINT64_C(0x0001000200030004),
+		.idx = 4,
+		.lpv = 3,
+	},
+	{
+		/* 8: a != b, b != c, c != d, d == e */
+		.pnum = UINT64_C(0x0002000100010001),
+		.idx = 3,
+		.lpv = 0,
+	},
+	{
+		/* 9: a == b, b != c, c != d, d == e */
+		.pnum = UINT64_C(0x0002000100010002),
+		.idx = 3,
+		.lpv = 1,
+	},
+	{
+		/* 0xa: a != b, b == c, c != d, d == e */
+		.pnum = UINT64_C(0x0002000100020001),
+		.idx = 3,
+		.lpv = 0,
+	},
+	{
+		/* 0xb: a == b, b == c, c != d, d == e */
+		.pnum = UINT64_C(0x0002000100020003),
+		.idx = 3,
+		.lpv = 2,
+	},
+	{
+		/* 0xc: a != b, b != c, c == d, d == e */
+		.pnum = UINT64_C(0x0002000300010001),
+		.idx = 2,
+		.lpv = 0,
+	},
+	{
+		/* 0xd: a == b, b != c, c == d, d == e */
+		.pnum = UINT64_C(0x0002000300010002),
+		.idx = 2,
+		.lpv = 1,
+	},
+	{
+		/* 0xe: a != b, b == c, c == d, d == e */
+		.pnum = UINT64_C(0x0002000300040001),
+		.idx = 1,
+		.lpv = 0,
+	},
+	{
+		/* 0xf: a == b, b == c, c == d, d == e */
+		.pnum = UINT64_C(0x0002000300040005),
+		.idx = 0,
+		.lpv = 4,
+	},
+	};
+
+	union {
+		uint16_t u16[FWDSTEP + 1];
+		uint64_t u64;
+	} *pnum = (void *)pn;
+
+	int32_t v;
+
+	dp1 = _mm_cmpeq_epi16(dp1, dp2);
+	dp1 = _mm_unpacklo_epi16(dp1, dp1);
+	v = _mm_movemask_ps((__m128)dp1);
+
+	/* update last port counter. */
+	lp[0] += gptbl[v].lpv;
+
+	/* if dest port value has changed. */
+	if (v != GRPMSK) {
+		pnum->u64 = gptbl[v].pnum;
+		pnum->u16[FWDSTEP] = 1;
+		lp = pnum->u16 + gptbl[v].idx;
+	}
+
+	return lp;
+}
+
+/**
+ * Process one packet:
+ * Update source and destination MAC addresses in the ethernet header.
+ * Perform RFC1812 checks and updates for IPV4 packets.
+ */
+static inline void
+process_packet(struct rte_mbuf *pkt, uint16_t *dst_port)
+{
+	struct ether_hdr *eth_hdr;
+	__m128i te, ve;
+
+	eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+
+	te = _mm_loadu_si128((__m128i *)eth_hdr);
+	ve = val_eth[dst_port[0]];
+
+	rfc1812_process((struct ipv4_hdr *)(eth_hdr + 1), dst_port,
+			pkt->packet_type);
+
+	te =  _mm_blend_epi16(te, ve, MASK_ETH);
+	_mm_storeu_si128((__m128i *)eth_hdr, te);
+}
+
+static inline __attribute__((always_inline)) void
+send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
+		uint32_t num)
+{
+	uint32_t len, j, n;
+
+	len = qconf->tx_mbufs[port].len;
+
+	/*
+	 * If TX buffer for that queue is empty, and we have enough packets,
+	 * then send them straightway.
+	 */
+	if (num >= MAX_TX_BURST && len == 0) {
+		n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
+		if (unlikely(n < num)) {
+			do {
+				rte_pktmbuf_free(m[n]);
+			} while (++n < num);
+		}
+		return;
+	}
+
+	/*
+	 * Put packets into TX buffer for that queue.
+	 */
+
+	n = len + num;
+	n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
+
+	j = 0;
+	switch (n % FWDSTEP) {
+	while (j < n) {
+	case 0:
+		qconf->tx_mbufs[port].m_table[len + j] = m[j];
+		j++;
+	case 3:
+		qconf->tx_mbufs[port].m_table[len + j] = m[j];
+		j++;
+	case 2:
+		qconf->tx_mbufs[port].m_table[len + j] = m[j];
+		j++;
+	case 1:
+		qconf->tx_mbufs[port].m_table[len + j] = m[j];
+		j++;
+	}
+	}
+
+	len += n;
+
+	/* enough pkts to be sent */
+	if (unlikely(len == MAX_PKT_BURST)) {
+
+		send_burst(qconf, MAX_PKT_BURST, port);
+
+		/* copy rest of the packets into the TX buffer. */
+		len = num - n;
+		j = 0;
+		switch (len % FWDSTEP) {
+		while (j < len) {
+		case 0:
+			qconf->tx_mbufs[port].m_table[j] = m[n + j];
+			j++;
+		case 3:
+			qconf->tx_mbufs[port].m_table[j] = m[n + j];
+			j++;
+		case 2:
+			qconf->tx_mbufs[port].m_table[j] = m[n + j];
+			j++;
+		case 1:
+			qconf->tx_mbufs[port].m_table[j] = m[n + j];
+			j++;
+		}
+		}
+	}
+
+	qconf->tx_mbufs[port].len = len;
+}
+
+/**
+ * Send packets burst from pkts_burst to the ports in dst_port array
+ */
+static inline __attribute__((always_inline)) void
+send_packets_multi(struct lcore_conf *qconf, struct rte_mbuf **pkts_burst,
+		uint16_t dst_port[MAX_PKT_BURST], int nb_rx)
+{
+	int32_t k;
+	int j = 0;
+	uint16_t dlp;
+	uint16_t *lp;
+	uint16_t pnum[MAX_PKT_BURST + 1];
+
+	/*
+	 * Finish packet processing and group consecutive
+	 * packets with the same destination port.
+	 */
+	k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+	if (k != 0) {
+		__m128i dp1, dp2;
+
+		lp = pnum;
+		lp[0] = 1;
+
+		processx4_step3(pkts_burst, dst_port);
+
+		/* dp1: <d[0], d[1], d[2], d[3], ... > */
+		dp1 = _mm_loadu_si128((__m128i *)dst_port);
+
+		for (j = FWDSTEP; j != k; j += FWDSTEP) {
+			processx4_step3(&pkts_burst[j], &dst_port[j]);
+
+			/*
+			 * dp2:
+			 * <d[j-3], d[j-2], d[j-1], d[j], ... >
+			 */
+			dp2 = _mm_loadu_si128((__m128i *)
+					&dst_port[j - FWDSTEP + 1]);
+			lp  = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
+
+			/*
+			 * dp1:
+			 * <d[j], d[j+1], d[j+2], d[j+3], ... >
+			 */
+			dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) *
+						sizeof(dst_port[0]));
+		}
+
+		/*
+		 * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
+		 */
+		dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
+		lp  = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
+
+		/*
+		 * remove values added by the last repeated
+		 * dst port.
+		 */
+		lp[0]--;
+		dlp = dst_port[j - 1];
+	} else {
+		/* set dlp and lp to the never used values. */
+		dlp = BAD_PORT - 1;
+		lp = pnum + MAX_PKT_BURST;
+	}
+
+	/* Process up to last 3 packets one by one. */
+	switch (nb_rx % FWDSTEP) {
+	case 3:
+		process_packet(pkts_burst[j], dst_port + j);
+		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+		j++;
+	case 2:
+		process_packet(pkts_burst[j], dst_port + j);
+		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+		j++;
+	case 1:
+		process_packet(pkts_burst[j], dst_port + j);
+		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+		j++;
+	}
+
+	/*
+	 * Send packets out, through destination port.
+	 * Consecutive packets with the same destination port
+	 * are already grouped together.
+	 * If destination port for the packet equals BAD_PORT,
+	 * then free the packet without sending it out.
+	 */
+	for (j = 0; j < nb_rx; j += k) {
+
+		int32_t m;
+		uint16_t pn;
+
+		pn = dst_port[j];
+		k = pnum[j];
+
+		if (likely(pn != BAD_PORT))
+			send_packetsx4(qconf, pn, pkts_burst + j, k);
+		else
+			for (m = j; m != j + k; m++)
+				rte_pktmbuf_free(pkts_burst[m]);
+
+	}
+}
+
+#endif /* _L3FWD_COMMON_H_ */
diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c
new file mode 100644
index 00000000..bf6d8856
--- /dev/null
+++ b/examples/l3fwd/main.c
@@ -0,0 +1,1055 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
+
+#include <rte_common.h>
+#include <rte_vect.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_launch.h>
+#include <rte_atomic.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_lcore.h>
+#include <rte_per_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_string_fns.h>
+#include <rte_cpuflags.h>
+
+#include <cmdline_parse.h>
+#include <cmdline_parse_etheraddr.h>
+
+#include "l3fwd.h"
+
+/*
+ * Configurable number of RX/TX ring descriptors
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 128
+#define RTE_TEST_TX_DESC_DEFAULT 512
+
+#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
+#define MAX_RX_QUEUE_PER_PORT 128
+
+#define MAX_LCORE_PARAMS 1024
+
+/* Static global variables used within this file. */
+static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
+static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
+
+/**< Ports set in promiscuous mode off by default. */
+static int promiscuous_on;
+
+/* Select Longest-Prefix or Exact match. */
+static int l3fwd_lpm_on;
+static int l3fwd_em_on;
+
+static int numa_on = 1; /**< NUMA is enabled by default. */
+static int parse_ptype; /**< Parse packet type using rx callback, and */
+			/**< disabled by default */
+
+/* Global variables. */
+
+volatile bool force_quit;
+
+/* ethernet addresses of ports */
+uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+xmm_t val_eth[RTE_MAX_ETHPORTS];
+
+/* mask of enabled ports */
+uint32_t enabled_port_mask;
+
+/* Used only in exact match mode. */
+int ipv6; /**< ipv6 is false by default. */
+uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
+
+struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+
+struct lcore_params {
+	uint8_t port_id;
+	uint8_t queue_id;
+	uint8_t lcore_id;
+} __rte_cache_aligned;
+
+static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
+static struct lcore_params lcore_params_array_default[] = {
+	{0, 0, 2},
+	{0, 1, 2},
+	{0, 2, 2},
+	{1, 0, 2},
+	{1, 1, 2},
+	{1, 2, 2},
+	{2, 0, 2},
+	{3, 0, 3},
+	{3, 1, 3},
+};
+
+static struct lcore_params * lcore_params = lcore_params_array_default;
+static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
+				sizeof(lcore_params_array_default[0]);
+
+static struct rte_eth_conf port_conf = {
+	.rxmode = {
+		.mq_mode = ETH_MQ_RX_RSS,
+		.max_rx_pkt_len = ETHER_MAX_LEN,
+		.split_hdr_size = 0,
+		.header_split   = 0, /**< Header Split disabled */
+		.hw_ip_checksum = 1, /**< IP checksum offload enabled */
+		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
+		.jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
+		.hw_strip_crc   = 0, /**< CRC stripped by hardware */
+	},
+	.rx_adv_conf = {
+		.rss_conf = {
+			.rss_key = NULL,
+			.rss_hf = ETH_RSS_IP,
+		},
+	},
+	.txmode = {
+		.mq_mode = ETH_MQ_TX_NONE,
+	},
+};
+
+static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
+
+struct l3fwd_lkp_mode {
+	void  (*setup)(int);
+	int   (*check_ptype)(int);
+	rte_rx_callback_fn cb_parse_ptype;
+	int   (*main_loop)(void *);
+	void* (*get_ipv4_lookup_struct)(int);
+	void* (*get_ipv6_lookup_struct)(int);
+};
+
+static struct l3fwd_lkp_mode l3fwd_lkp;
+
+static struct l3fwd_lkp_mode l3fwd_em_lkp = {
+	.setup                  = setup_hash,
+	.check_ptype		= em_check_ptype,
+	.cb_parse_ptype		= em_cb_parse_ptype,
+	.main_loop              = em_main_loop,
+	.get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
+	.get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
+};
+
+static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
+	.setup                  = setup_lpm,
+	.check_ptype		= lpm_check_ptype,
+	.cb_parse_ptype		= lpm_cb_parse_ptype,
+	.main_loop              = lpm_main_loop,
+	.get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
+	.get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
+};
+
+/*
+ * Setup lookup methods for forwarding.
+ * Currently exact-match and longest-prefix-match
+ * are supported ones.
+ */
+static void
+setup_l3fwd_lookup_tables(void)
+{
+	/* Setup HASH lookup functions. */
+	if (l3fwd_em_on)
+		l3fwd_lkp = l3fwd_em_lkp;
+	/* Setup LPM lookup functions. */
+	else
+		l3fwd_lkp = l3fwd_lpm_lkp;
+}
+
+static int
+check_lcore_params(void)
+{
+	uint8_t queue, lcore;
+	uint16_t i;
+	int socketid;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		queue = lcore_params[i].queue_id;
+		if (queue >= MAX_RX_QUEUE_PER_PORT) {
+			printf("invalid queue number: %hhu\n", queue);
+			return -1;
+		}
+		lcore = lcore_params[i].lcore_id;
+		if (!rte_lcore_is_enabled(lcore)) {
+			printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
+			return -1;
+		}
+		if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
+			(numa_on == 0)) {
+			printf("warning: lcore %hhu is on socket %d with numa off \n",
+				lcore, socketid);
+		}
+	}
+	return 0;
+}
+
+static int
+check_port_config(const unsigned nb_ports)
+{
+	unsigned portid;
+	uint16_t i;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		portid = lcore_params[i].port_id;
+		if ((enabled_port_mask & (1 << portid)) == 0) {
+			printf("port %u is not enabled in port mask\n", portid);
+			return -1;
+		}
+		if (portid >= nb_ports) {
+			printf("port %u is not present on the board\n", portid);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static uint8_t
+get_port_n_rx_queues(const uint8_t port)
+{
+	int queue = -1;
+	uint16_t i;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		if (lcore_params[i].port_id == port) {
+			if (lcore_params[i].queue_id == queue+1)
+				queue = lcore_params[i].queue_id;
+			else
+				rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
+						" in sequence and must start with 0\n",
+						lcore_params[i].port_id);
+		}
+	}
+	return (uint8_t)(++queue);
+}
+
+static int
+init_lcore_rx_queues(void)
+{
+	uint16_t i, nb_rx_queue;
+	uint8_t lcore;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		lcore = lcore_params[i].lcore_id;
+		nb_rx_queue = lcore_conf[lcore].n_rx_queue;
+		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
+			printf("error: too many queues (%u) for lcore: %u\n",
+				(unsigned)nb_rx_queue + 1, (unsigned)lcore);
+			return -1;
+		} else {
+			lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
+				lcore_params[i].port_id;
+			lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
+				lcore_params[i].queue_id;
+			lcore_conf[lcore].n_rx_queue++;
+		}
+	}
+	return 0;
+}
+
+/* display usage */
+static void
+print_usage(const char *prgname)
+{
+	printf ("%s [EAL options] -- -p PORTMASK -P"
+		"  [--config (port,queue,lcore)[,(port,queue,lcore]]"
+		"  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
+		"  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+		"  -P : enable promiscuous mode\n"
+		"  -E : enable exact match\n"
+		"  -L : enable longest prefix match\n"
+		"  --config (port,queue,lcore): rx queues configuration\n"
+		"  --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n"
+		"  --no-numa: optional, disable numa awareness\n"
+		"  --ipv6: optional, specify it if running ipv6 packets\n"
+		"  --enable-jumbo: enable jumbo frame"
+		" which max packet len is PKTLEN in decimal (64-9600)\n"
+		"  --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n",
+		prgname);
+}
+
+static int
+parse_max_pkt_len(const char *pktlen)
+{
+	char *end = NULL;
+	unsigned long len;
+
+	/* parse decimal string */
+	len = strtoul(pktlen, &end, 10);
+	if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	if (len == 0)
+		return -1;
+
+	return len;
+}
+
+static int
+parse_portmask(const char *portmask)
+{
+	char *end = NULL;
+	unsigned long pm;
+
+	/* parse hexadecimal string */
+	pm = strtoul(portmask, &end, 16);
+	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	if (pm == 0)
+		return -1;
+
+	return pm;
+}
+
+static int
+parse_hash_entry_number(const char *hash_entry_num)
+{
+	char *end = NULL;
+	unsigned long hash_en;
+	/* parse hexadecimal string */
+	hash_en = strtoul(hash_entry_num, &end, 16);
+	if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	if (hash_en == 0)
+		return -1;
+
+	return hash_en;
+}
+
+static int
+parse_config(const char *q_arg)
+{
+	char s[256];
+	const char *p, *p0 = q_arg;
+	char *end;
+	enum fieldnames {
+		FLD_PORT = 0,
+		FLD_QUEUE,
+		FLD_LCORE,
+		_NUM_FLD
+	};
+	unsigned long int_fld[_NUM_FLD];
+	char *str_fld[_NUM_FLD];
+	int i;
+	unsigned size;
+
+	nb_lcore_params = 0;
+
+	while ((p = strchr(p0,'(')) != NULL) {
+		++p;
+		if((p0 = strchr(p,')')) == NULL)
+			return -1;
+
+		size = p0 - p;
+		if(size >= sizeof(s))
+			return -1;
+
+		snprintf(s, sizeof(s), "%.*s", size, p);
+		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
+			return -1;
+		for (i = 0; i < _NUM_FLD; i++){
+			errno = 0;
+			int_fld[i] = strtoul(str_fld[i], &end, 0);
+			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
+				return -1;
+		}
+		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
+			printf("exceeded max number of lcore params: %hu\n",
+				nb_lcore_params);
+			return -1;
+		}
+		lcore_params_array[nb_lcore_params].port_id =
+			(uint8_t)int_fld[FLD_PORT];
+		lcore_params_array[nb_lcore_params].queue_id =
+			(uint8_t)int_fld[FLD_QUEUE];
+		lcore_params_array[nb_lcore_params].lcore_id =
+			(uint8_t)int_fld[FLD_LCORE];
+		++nb_lcore_params;
+	}
+	lcore_params = lcore_params_array;
+	return 0;
+}
+
+static void
+parse_eth_dest(const char *optarg)
+{
+	uint8_t portid;
+	char *port_end;
+	uint8_t c, *dest, peer_addr[6];
+
+	errno = 0;
+	portid = strtoul(optarg, &port_end, 10);
+	if (errno != 0 || port_end == optarg || *port_end++ != ',')
+		rte_exit(EXIT_FAILURE,
+		"Invalid eth-dest: %s", optarg);
+	if (portid >= RTE_MAX_ETHPORTS)
+		rte_exit(EXIT_FAILURE,
+		"eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
+		portid, RTE_MAX_ETHPORTS);
+
+	if (cmdline_parse_etheraddr(NULL, port_end,
+		&peer_addr, sizeof(peer_addr)) < 0)
+		rte_exit(EXIT_FAILURE,
+		"Invalid ethernet address: %s\n",
+		port_end);
+	dest = (uint8_t *)&dest_eth_addr[portid];
+	for (c = 0; c < 6; c++)
+		dest[c] = peer_addr[c];
+	*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+}
+
+#define MAX_JUMBO_PKT_LEN  9600
+#define MEMPOOL_CACHE_SIZE 256
+
+#define CMD_LINE_OPT_CONFIG "config"
+#define CMD_LINE_OPT_ETH_DEST "eth-dest"
+#define CMD_LINE_OPT_NO_NUMA "no-numa"
+#define CMD_LINE_OPT_IPV6 "ipv6"
+#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
+#define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
+#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
+
+/*
+ * This expression is used to calculate the number of mbufs needed
+ * depending on user input, taking  into account memory for rx and
+ * tx hardware rings, cache per lcore and mtable per port per lcore.
+ * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
+ * value of 8192
+ */
+#define NB_MBUF RTE_MAX(	\
+	(nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT +	\
+	nb_ports*nb_lcores*MAX_PKT_BURST +			\
+	nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT +		\
+	nb_lcores*MEMPOOL_CACHE_SIZE),				\
+	(unsigned)8192)
+
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+	int opt, ret;
+	char **argvopt;
+	int option_index;
+	char *prgname = argv[0];
+	static struct option lgopts[] = {
+		{CMD_LINE_OPT_CONFIG, 1, 0, 0},
+		{CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
+		{CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
+		{CMD_LINE_OPT_IPV6, 0, 0, 0},
+		{CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
+		{CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
+		{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
+		{NULL, 0, 0, 0}
+	};
+
+	argvopt = argv;
+
+	/* Error or normal output strings. */
+	const char *str1 = "L3FWD: Invalid portmask";
+	const char *str2 = "L3FWD: Promiscuous mode selected";
+	const char *str3 = "L3FWD: Exact match selected";
+	const char *str4 = "L3FWD: Longest-prefix match selected";
+	const char *str5 = "L3FWD: Invalid config";
+	const char *str6 = "L3FWD: NUMA is disabled";
+	const char *str7 = "L3FWD: IPV6 is specified";
+	const char *str8 =
+		"L3FWD: Jumbo frame is enabled - disabling simple TX path";
+	const char *str9 = "L3FWD: Invalid packet length";
+	const char *str10 = "L3FWD: Set jumbo frame max packet len to ";
+	const char *str11 = "L3FWD: Invalid hash entry number";
+	const char *str12 =
+		"L3FWD: LPM and EM are mutually exclusive, select only one";
+	const char *str13 = "L3FWD: LPM or EM none selected, default LPM on";
+
+	while ((opt = getopt_long(argc, argvopt, "p:PLE",
+				lgopts, &option_index)) != EOF) {
+
+		switch (opt) {
+		/* portmask */
+		case 'p':
+			enabled_port_mask = parse_portmask(optarg);
+			if (enabled_port_mask == 0) {
+				printf("%s\n", str1);
+				print_usage(prgname);
+				return -1;
+			}
+			break;
+		case 'P':
+			printf("%s\n", str2);
+			promiscuous_on = 1;
+			break;
+
+		case 'E':
+			printf("%s\n", str3);
+			l3fwd_em_on = 1;
+			break;
+
+		case 'L':
+			printf("%s\n", str4);
+			l3fwd_lpm_on = 1;
+			break;
+
+		/* long options */
+		case 0:
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_CONFIG,
+					sizeof(CMD_LINE_OPT_CONFIG))) {
+
+				ret = parse_config(optarg);
+				if (ret) {
+					printf("%s\n", str5);
+					print_usage(prgname);
+					return -1;
+				}
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_ETH_DEST,
+					sizeof(CMD_LINE_OPT_ETH_DEST))) {
+					parse_eth_dest(optarg);
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_NO_NUMA,
+					sizeof(CMD_LINE_OPT_NO_NUMA))) {
+				printf("%s\n", str6);
+				numa_on = 0;
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+				CMD_LINE_OPT_IPV6,
+				sizeof(CMD_LINE_OPT_IPV6))) {
+				printf("%sn", str7);
+				ipv6 = 1;
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+					CMD_LINE_OPT_ENABLE_JUMBO,
+					sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) {
+				struct option lenopts = {
+					"max-pkt-len", required_argument, 0, 0
+				};
+
+				printf("%s\n", str8);
+				port_conf.rxmode.jumbo_frame = 1;
+
+				/*
+				 * if no max-pkt-len set, use the default
+				 * value ETHER_MAX_LEN.
+				 */
+				if (0 == getopt_long(argc, argvopt, "",
+						&lenopts, &option_index)) {
+					ret = parse_max_pkt_len(optarg);
+					if ((ret < 64) ||
+						(ret > MAX_JUMBO_PKT_LEN)) {
+						printf("%s\n", str9);
+						print_usage(prgname);
+						return -1;
+					}
+					port_conf.rxmode.max_rx_pkt_len = ret;
+				}
+				printf("%s %u\n", str10,
+				(unsigned int)port_conf.rxmode.max_rx_pkt_len);
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+				CMD_LINE_OPT_HASH_ENTRY_NUM,
+				sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
+
+				ret = parse_hash_entry_number(optarg);
+				if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
+					hash_entry_number = ret;
+				} else {
+					printf("%s\n", str11);
+					print_usage(prgname);
+					return -1;
+				}
+			}
+
+			if (!strncmp(lgopts[option_index].name,
+				     CMD_LINE_OPT_PARSE_PTYPE,
+				     sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
+				printf("soft parse-ptype is enabled\n");
+				parse_ptype = 1;
+			}
+
+			break;
+
+		default:
+			print_usage(prgname);
+			return -1;
+		}
+	}
+
+	/* If both LPM and EM are selected, return error. */
+	if (l3fwd_lpm_on && l3fwd_em_on) {
+		printf("%s\n", str12);
+		return -1;
+	}
+
+	/*
+	 * Nothing is selected, pick longest-prefix match
+	 * as default match.
+	 */
+	if (!l3fwd_lpm_on && !l3fwd_em_on) {
+		l3fwd_lpm_on = 1;
+		printf("%s\n", str13);
+	}
+
+	/*
+	 * ipv6 and hash flags are valid only for
+	 * exact macth, reset them to default for
+	 * longest-prefix match.
+	 */
+	if (l3fwd_lpm_on) {
+		ipv6 = 0;
+		hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
+	}
+
+	if (optind >= 0)
+		argv[optind-1] = prgname;
+
+	ret = optind-1;
+	optind = 0; /* reset getopt lib */
+	return ret;
+}
+
+static void
+print_ethaddr(const char *name, const struct ether_addr *eth_addr)
+{
+	char buf[ETHER_ADDR_FMT_SIZE];
+	ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
+}
+
+static int
+init_mem(unsigned nb_mbuf)
+{
+	struct lcore_conf *qconf;
+	int socketid;
+	unsigned lcore_id;
+	char s[64];
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+
+		if (numa_on)
+			socketid = rte_lcore_to_socket_id(lcore_id);
+		else
+			socketid = 0;
+
+		if (socketid >= NB_SOCKETS) {
+			rte_exit(EXIT_FAILURE,
+				"Socket %d of lcore %u is out of range %d\n",
+				socketid, lcore_id, NB_SOCKETS);
+		}
+
+		if (pktmbuf_pool[socketid] == NULL) {
+			snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
+			pktmbuf_pool[socketid] =
+				rte_pktmbuf_pool_create(s, nb_mbuf,
+					MEMPOOL_CACHE_SIZE, 0,
+					RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
+			if (pktmbuf_pool[socketid] == NULL)
+				rte_exit(EXIT_FAILURE,
+					"Cannot init mbuf pool on socket %d\n",
+					socketid);
+			else
+				printf("Allocated mbuf pool on socket %d\n",
+					socketid);
+
+			/* Setup either LPM or EM(f.e Hash).  */
+			l3fwd_lkp.setup(socketid);
+		}
+		qconf = &lcore_conf[lcore_id];
+		qconf->ipv4_lookup_struct =
+			l3fwd_lkp.get_ipv4_lookup_struct(socketid);
+		qconf->ipv6_lookup_struct =
+			l3fwd_lkp.get_ipv6_lookup_struct(socketid);
+	}
+	return 0;
+}
+
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+	uint8_t portid, count, all_ports_up, print_flag = 0;
+	struct rte_eth_link link;
+
+	printf("\nChecking link status");
+	fflush(stdout);
+	for (count = 0; count <= MAX_CHECK_TIME; count++) {
+		if (force_quit)
+			return;
+		all_ports_up = 1;
+		for (portid = 0; portid < port_num; portid++) {
+			if (force_quit)
+				return;
+			if ((port_mask & (1 << portid)) == 0)
+				continue;
+			memset(&link, 0, sizeof(link));
+			rte_eth_link_get_nowait(portid, &link);
+			/* print link status if flag set */
+			if (print_flag == 1) {
+				if (link.link_status)
+					printf("Port %d Link Up - speed %u "
+						"Mbps - %s\n", (uint8_t)portid,
+						(unsigned)link.link_speed,
+				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+					("full-duplex") : ("half-duplex\n"));
+				else
+					printf("Port %d Link Down\n",
+						(uint8_t)portid);
+				continue;
+			}
+			/* clear all_ports_up flag if any link down */
+			if (link.link_status == ETH_LINK_DOWN) {
+				all_ports_up = 0;
+				break;
+			}
+		}
+		/* after finally printing all link status, get out */
+		if (print_flag == 1)
+			break;
+
+		if (all_ports_up == 0) {
+			printf(".");
+			fflush(stdout);
+			rte_delay_ms(CHECK_INTERVAL);
+		}
+
+		/* set the print_flag if all ports up or timeout */
+		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+			print_flag = 1;
+			printf("done\n");
+		}
+	}
+}
+
+static void
+signal_handler(int signum)
+{
+	if (signum == SIGINT || signum == SIGTERM) {
+		printf("\n\nSignal %d received, preparing to exit...\n",
+				signum);
+		force_quit = true;
+	}
+}
+
+static int
+prepare_ptype_parser(uint8_t portid, uint16_t queueid)
+{
+	if (parse_ptype) {
+		printf("Port %d: softly parse packet type info\n", portid);
+		if (rte_eth_add_rx_callback(portid, queueid,
+					    l3fwd_lkp.cb_parse_ptype,
+					    NULL))
+			return 1;
+
+		printf("Failed to add rx callback: port=%d\n", portid);
+		return 0;
+	}
+
+	if (l3fwd_lkp.check_ptype(portid))
+		return 1;
+
+	printf("port %d cannot parse packet type, please add --%s\n",
+	       portid, CMD_LINE_OPT_PARSE_PTYPE);
+	return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+	struct lcore_conf *qconf;
+	struct rte_eth_dev_info dev_info;
+	struct rte_eth_txconf *txconf;
+	int ret;
+	unsigned nb_ports;
+	uint16_t queueid;
+	unsigned lcore_id;
+	uint32_t n_tx_queue, nb_lcores;
+	uint8_t portid, nb_rx_queue, queue, socketid;
+
+	/* init EAL */
+	ret = rte_eal_init(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
+	argc -= ret;
+	argv += ret;
+
+	force_quit = false;
+	signal(SIGINT, signal_handler);
+	signal(SIGTERM, signal_handler);
+
+	/* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
+	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+		dest_eth_addr[portid] =
+			ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
+		*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+	}
+
+	/* parse application arguments (after the EAL ones) */
+	ret = parse_args(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
+
+	if (check_lcore_params() < 0)
+		rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
+
+	ret = init_lcore_rx_queues();
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
+
+	nb_ports = rte_eth_dev_count();
+	if (nb_ports > RTE_MAX_ETHPORTS)
+		nb_ports = RTE_MAX_ETHPORTS;
+
+	if (check_port_config(nb_ports) < 0)
+		rte_exit(EXIT_FAILURE, "check_port_config failed\n");
+
+	nb_lcores = rte_lcore_count();
+
+	/* Setup function pointers for lookup method. */
+	setup_l3fwd_lookup_tables();
+
+	/* initialize all ports */
+	for (portid = 0; portid < nb_ports; portid++) {
+		/* skip ports that are not enabled */
+		if ((enabled_port_mask & (1 << portid)) == 0) {
+			printf("\nSkipping disabled port %d\n", portid);
+			continue;
+		}
+
+		/* init port */
+		printf("Initializing port %d ... ", portid );
+		fflush(stdout);
+
+		nb_rx_queue = get_port_n_rx_queues(portid);
+		n_tx_queue = nb_lcores;
+		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
+			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
+		printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
+			nb_rx_queue, (unsigned)n_tx_queue );
+		ret = rte_eth_dev_configure(portid, nb_rx_queue,
+					(uint16_t)n_tx_queue, &port_conf);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				"Cannot configure device: err=%d, port=%d\n",
+				ret, portid);
+
+		rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
+		print_ethaddr(" Address:", &ports_eth_addr[portid]);
+		printf(", ");
+		print_ethaddr("Destination:",
+			(const struct ether_addr *)&dest_eth_addr[portid]);
+		printf(", ");
+
+		/*
+		 * prepare src MACs for each port.
+		 */
+		ether_addr_copy(&ports_eth_addr[portid],
+			(struct ether_addr *)(val_eth + portid) + 1);
+
+		/* init memory */
+		ret = init_mem(NB_MBUF);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "init_mem failed\n");
+
+		/* init one TX queue per couple (lcore,port) */
+		queueid = 0;
+		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+			if (rte_lcore_is_enabled(lcore_id) == 0)
+				continue;
+
+			if (numa_on)
+				socketid =
+				(uint8_t)rte_lcore_to_socket_id(lcore_id);
+			else
+				socketid = 0;
+
+			printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
+			fflush(stdout);
+
+			rte_eth_dev_info_get(portid, &dev_info);
+			txconf = &dev_info.default_txconf;
+			if (port_conf.rxmode.jumbo_frame)
+				txconf->txq_flags = 0;
+			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
+						     socketid, txconf);
+			if (ret < 0)
+				rte_exit(EXIT_FAILURE,
+					"rte_eth_tx_queue_setup: err=%d, "
+					"port=%d\n", ret, portid);
+
+			qconf = &lcore_conf[lcore_id];
+			qconf->tx_queue_id[portid] = queueid;
+			queueid++;
+
+			qconf->tx_port_id[qconf->n_tx_port] = portid;
+			qconf->n_tx_port++;
+		}
+		printf("\n");
+	}
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+		qconf = &lcore_conf[lcore_id];
+		printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
+		fflush(stdout);
+		/* init RX queues */
+		for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
+			portid = qconf->rx_queue_list[queue].port_id;
+			queueid = qconf->rx_queue_list[queue].queue_id;
+
+			if (numa_on)
+				socketid =
+				(uint8_t)rte_lcore_to_socket_id(lcore_id);
+			else
+				socketid = 0;
+
+			printf("rxq=%d,%d,%d ", portid, queueid, socketid);
+			fflush(stdout);
+
+			ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
+					socketid,
+					NULL,
+					pktmbuf_pool[socketid]);
+			if (ret < 0)
+				rte_exit(EXIT_FAILURE,
+				"rte_eth_rx_queue_setup: err=%d, port=%d\n",
+				ret, portid);
+		}
+	}
+
+	printf("\n");
+
+	/* start ports */
+	for (portid = 0; portid < nb_ports; portid++) {
+		if ((enabled_port_mask & (1 << portid)) == 0) {
+			continue;
+		}
+		/* Start device */
+		ret = rte_eth_dev_start(portid);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				"rte_eth_dev_start: err=%d, port=%d\n",
+				ret, portid);
+
+		/*
+		 * If enabled, put device in promiscuous mode.
+		 * This allows IO forwarding mode to forward packets
+		 * to itself through 2 cross-connected  ports of the
+		 * target machine.
+		 */
+		if (promiscuous_on)
+			rte_eth_promiscuous_enable(portid);
+	}
+
+	printf("\n");
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+		qconf = &lcore_conf[lcore_id];
+		for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
+			portid = qconf->rx_queue_list[queue].port_id;
+			queueid = qconf->rx_queue_list[queue].queue_id;
+			if (prepare_ptype_parser(portid, queueid) == 0)
+				rte_exit(EXIT_FAILURE, "ptype check fails\n");
+		}
+	}
+
+
+	check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
+
+	ret = 0;
+	/* launch per-lcore init on every lcore */
+	rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
+	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+		if (rte_eal_wait_lcore(lcore_id) < 0) {
+			ret = -1;
+			break;
+		}
+	}
+
+	/* stop ports */
+	for (portid = 0; portid < nb_ports; portid++) {
+		if ((enabled_port_mask & (1 << portid)) == 0)
+			continue;
+		printf("Closing port %d...", portid);
+		rte_eth_dev_stop(portid);
+		rte_eth_dev_close(portid);
+		printf(" Done\n");
+	}
+	printf("Bye...\n");
+
+	return ret;
+}