Imported Upstream version 16.04

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

1 files changed, 2097 insertions, 0 deletions

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
new file mode 100644
index 00000000..26a174c1
--- /dev/null
+++ b/app/test-pmd/testpmd.c
@@ -0,0 +1,2097 @@
+/*-
+ *   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 <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <string.h>
+#include <time.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#include <sys/queue.h>
+#include <sys/stat.h>
+
+#include <stdint.h>
+#include <unistd.h>
+#include <inttypes.h>
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_cycles.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_launch.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_lcore.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_dev.h>
+#include <rte_string_fns.h>
+#ifdef RTE_LIBRTE_PMD_XENVIRT
+#include <rte_eth_xenvirt.h>
+#endif
+
+#include "testpmd.h"
+#include "mempool_osdep.h"
+
+uint16_t verbose_level = 0; /**< Silent by default. */
+
+/* use master core for command line ? */
+uint8_t interactive = 0;
+uint8_t auto_start = 0;
+
+/*
+ * NUMA support configuration.
+ * When set, the NUMA support attempts to dispatch the allocation of the
+ * RX and TX memory rings, and of the DMA memory buffers (mbufs) for the
+ * probed ports among the CPU sockets 0 and 1.
+ * Otherwise, all memory is allocated from CPU socket 0.
+ */
+uint8_t numa_support = 0; /**< No numa support by default */
+
+/*
+ * In UMA mode,all memory is allocated from socket 0 if --socket-num is
+ * not configured.
+ */
+uint8_t socket_num = UMA_NO_CONFIG;
+
+/*
+ * Use ANONYMOUS mapped memory (might be not physically continuous) for mbufs.
+ */
+uint8_t mp_anon = 0;
+
+/*
+ * Record the Ethernet address of peer target ports to which packets are
+ * forwarded.
+ * Must be instanciated with the ethernet addresses of peer traffic generator
+ * ports.
+ */
+struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
+portid_t nb_peer_eth_addrs = 0;
+
+/*
+ * Probed Target Environment.
+ */
+struct rte_port *ports;	       /**< For all probed ethernet ports. */
+portid_t nb_ports;             /**< Number of probed ethernet ports. */
+struct fwd_lcore **fwd_lcores; /**< For all probed logical cores. */
+lcoreid_t nb_lcores;           /**< Number of probed logical cores. */
+
+/*
+ * Test Forwarding Configuration.
+ *    nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores
+ *    nb_fwd_ports  <= nb_cfg_ports  <= nb_ports
+ */
+lcoreid_t nb_cfg_lcores; /**< Number of configured logical cores. */
+lcoreid_t nb_fwd_lcores; /**< Number of forwarding logical cores. */
+portid_t  nb_cfg_ports;  /**< Number of configured ports. */
+portid_t  nb_fwd_ports;  /**< Number of forwarding ports. */
+
+unsigned int fwd_lcores_cpuids[RTE_MAX_LCORE]; /**< CPU ids configuration. */
+portid_t fwd_ports_ids[RTE_MAX_ETHPORTS];      /**< Port ids configuration. */
+
+struct fwd_stream **fwd_streams; /**< For each RX queue of each port. */
+streamid_t nb_fwd_streams;       /**< Is equal to (nb_ports * nb_rxq). */
+
+/*
+ * Forwarding engines.
+ */
+struct fwd_engine * fwd_engines[] = {
+	&io_fwd_engine,
+	&mac_fwd_engine,
+	&mac_retry_fwd_engine,
+	&mac_swap_engine,
+	&flow_gen_engine,
+	&rx_only_engine,
+	&tx_only_engine,
+	&csum_fwd_engine,
+	&icmp_echo_engine,
+#ifdef RTE_LIBRTE_IEEE1588
+	&ieee1588_fwd_engine,
+#endif
+	NULL,
+};
+
+struct fwd_config cur_fwd_config;
+struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
+
+uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */
+uint32_t param_total_num_mbufs = 0;  /**< number of mbufs in all pools - if
+                                      * specified on command-line. */
+
+/*
+ * Configuration of packet segments used by the "txonly" processing engine.
+ */
+uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN; /**< TXONLY packet length. */
+uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = {
+	TXONLY_DEF_PACKET_LEN,
+};
+uint8_t  tx_pkt_nb_segs = 1; /**< Number of segments in TXONLY packets */
+
+enum tx_pkt_split tx_pkt_split = TX_PKT_SPLIT_OFF;
+/**< Split policy for packets to TX. */
+
+uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */
+uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */
+
+/* current configuration is in DCB or not,0 means it is not in DCB mode */
+uint8_t dcb_config = 0;
+
+/* Whether the dcb is in testing status */
+uint8_t dcb_test = 0;
+
+/*
+ * Configurable number of RX/TX queues.
+ */
+queueid_t nb_rxq = 1; /**< Number of RX queues per port. */
+queueid_t nb_txq = 1; /**< Number of TX queues per port. */
+
+/*
+ * Configurable number of RX/TX ring descriptors.
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 128
+#define RTE_TEST_TX_DESC_DEFAULT 512
+uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; /**< Number of RX descriptors. */
+uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; /**< Number of TX descriptors. */
+
+#define RTE_PMD_PARAM_UNSET -1
+/*
+ * Configurable values of RX and TX ring threshold registers.
+ */
+
+int8_t rx_pthresh = RTE_PMD_PARAM_UNSET;
+int8_t rx_hthresh = RTE_PMD_PARAM_UNSET;
+int8_t rx_wthresh = RTE_PMD_PARAM_UNSET;
+
+int8_t tx_pthresh = RTE_PMD_PARAM_UNSET;
+int8_t tx_hthresh = RTE_PMD_PARAM_UNSET;
+int8_t tx_wthresh = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Configurable value of RX free threshold.
+ */
+int16_t rx_free_thresh = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Configurable value of RX drop enable.
+ */
+int8_t rx_drop_en = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Configurable value of TX free threshold.
+ */
+int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Configurable value of TX RS bit threshold.
+ */
+int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Configurable value of TX queue flags.
+ */
+int32_t txq_flags = RTE_PMD_PARAM_UNSET;
+
+/*
+ * Receive Side Scaling (RSS) configuration.
+ */
+uint64_t rss_hf = ETH_RSS_IP; /* RSS IP by default. */
+
+/*
+ * Port topology configuration
+ */
+uint16_t port_topology = PORT_TOPOLOGY_PAIRED; /* Ports are paired by default */
+
+/*
+ * Avoids to flush all the RX streams before starts forwarding.
+ */
+uint8_t no_flush_rx = 0; /* flush by default */
+
+/*
+ * Avoids to check link status when starting/stopping a port.
+ */
+uint8_t no_link_check = 0; /* check by default */
+
+/*
+ * NIC bypass mode configuration options.
+ */
+#ifdef RTE_NIC_BYPASS
+
+/* The NIC bypass watchdog timeout. */
+uint32_t bypass_timeout = RTE_BYPASS_TMT_OFF;
+
+#endif
+
+/*
+ * Ethernet device configuration.
+ */
+struct rte_eth_rxmode rx_mode = {
+	.max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */
+	.split_hdr_size = 0,
+	.header_split   = 0, /**< Header Split disabled. */
+	.hw_ip_checksum = 0, /**< IP checksum offload disabled. */
+	.hw_vlan_filter = 1, /**< VLAN filtering enabled. */
+	.hw_vlan_strip  = 1, /**< VLAN strip enabled. */
+	.hw_vlan_extend = 0, /**< Extended VLAN disabled. */
+	.jumbo_frame    = 0, /**< Jumbo Frame Support disabled. */
+	.hw_strip_crc   = 0, /**< CRC stripping by hardware disabled. */
+};
+
+struct rte_fdir_conf fdir_conf = {
+	.mode = RTE_FDIR_MODE_NONE,
+	.pballoc = RTE_FDIR_PBALLOC_64K,
+	.status = RTE_FDIR_REPORT_STATUS,
+	.mask = {
+		.vlan_tci_mask = 0x0,
+		.ipv4_mask     = {
+			.src_ip = 0xFFFFFFFF,
+			.dst_ip = 0xFFFFFFFF,
+		},
+		.ipv6_mask     = {
+			.src_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+			.dst_ip = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+		},
+		.src_port_mask = 0xFFFF,
+		.dst_port_mask = 0xFFFF,
+		.mac_addr_byte_mask = 0xFF,
+		.tunnel_type_mask = 1,
+		.tunnel_id_mask = 0xFFFFFFFF,
+	},
+	.drop_queue = 127,
+};
+
+volatile int test_done = 1; /* stop packet forwarding when set to 1. */
+
+struct queue_stats_mappings tx_queue_stats_mappings_array[MAX_TX_QUEUE_STATS_MAPPINGS];
+struct queue_stats_mappings rx_queue_stats_mappings_array[MAX_RX_QUEUE_STATS_MAPPINGS];
+
+struct queue_stats_mappings *tx_queue_stats_mappings = tx_queue_stats_mappings_array;
+struct queue_stats_mappings *rx_queue_stats_mappings = rx_queue_stats_mappings_array;
+
+uint16_t nb_tx_queue_stats_mappings = 0;
+uint16_t nb_rx_queue_stats_mappings = 0;
+
+unsigned max_socket = 0;
+
+/* Forward function declarations */
+static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
+static void check_all_ports_link_status(uint32_t port_mask);
+
+/*
+ * Check if all the ports are started.
+ * If yes, return positive value. If not, return zero.
+ */
+static int all_ports_started(void);
+
+/*
+ * Find next enabled port
+ */
+portid_t
+find_next_port(portid_t p, struct rte_port *ports, int size)
+{
+	if (ports == NULL)
+		rte_exit(-EINVAL, "failed to find a next port id\n");
+
+	while ((p < size) && (ports[p].enabled == 0))
+		p++;
+	return p;
+}
+
+/*
+ * Setup default configuration.
+ */
+static void
+set_default_fwd_lcores_config(void)
+{
+	unsigned int i;
+	unsigned int nb_lc;
+	unsigned int sock_num;
+
+	nb_lc = 0;
+	for (i = 0; i < RTE_MAX_LCORE; i++) {
+		sock_num = rte_lcore_to_socket_id(i) + 1;
+		if (sock_num > max_socket) {
+			if (sock_num > RTE_MAX_NUMA_NODES)
+				rte_exit(EXIT_FAILURE, "Total sockets greater than %u\n", RTE_MAX_NUMA_NODES);
+			max_socket = sock_num;
+		}
+		if (!rte_lcore_is_enabled(i))
+			continue;
+		if (i == rte_get_master_lcore())
+			continue;
+		fwd_lcores_cpuids[nb_lc++] = i;
+	}
+	nb_lcores = (lcoreid_t) nb_lc;
+	nb_cfg_lcores = nb_lcores;
+	nb_fwd_lcores = 1;
+}
+
+static void
+set_def_peer_eth_addrs(void)
+{
+	portid_t i;
+
+	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+		peer_eth_addrs[i].addr_bytes[0] = ETHER_LOCAL_ADMIN_ADDR;
+		peer_eth_addrs[i].addr_bytes[5] = i;
+	}
+}
+
+static void
+set_default_fwd_ports_config(void)
+{
+	portid_t pt_id;
+
+	for (pt_id = 0; pt_id < nb_ports; pt_id++)
+		fwd_ports_ids[pt_id] = pt_id;
+
+	nb_cfg_ports = nb_ports;
+	nb_fwd_ports = nb_ports;
+}
+
+void
+set_def_fwd_config(void)
+{
+	set_default_fwd_lcores_config();
+	set_def_peer_eth_addrs();
+	set_default_fwd_ports_config();
+}
+
+/*
+ * Configuration initialisation done once at init time.
+ */
+static void
+mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
+		 unsigned int socket_id)
+{
+	char pool_name[RTE_MEMPOOL_NAMESIZE];
+	struct rte_mempool *rte_mp = NULL;
+	uint32_t mb_size;
+
+	mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
+	mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
+
+#ifdef RTE_LIBRTE_PMD_XENVIRT
+	rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
+		(unsigned) mb_mempool_cache,
+		sizeof(struct rte_pktmbuf_pool_private),
+		rte_pktmbuf_pool_init, NULL,
+		rte_pktmbuf_init, NULL,
+		socket_id, 0);
+#endif
+
+	/* if the former XEN allocation failed fall back to normal allocation */
+	if (rte_mp == NULL) {
+		if (mp_anon != 0)
+			rte_mp = mempool_anon_create(pool_name, nb_mbuf,
+					mb_size, (unsigned) mb_mempool_cache,
+					sizeof(struct rte_pktmbuf_pool_private),
+					rte_pktmbuf_pool_init, NULL,
+					rte_pktmbuf_init, NULL,
+					socket_id, 0);
+		else
+			/* wrapper to rte_mempool_create() */
+			rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
+				mb_mempool_cache, 0, mbuf_seg_size, socket_id);
+	}
+
+	if (rte_mp == NULL) {
+		rte_exit(EXIT_FAILURE, "Creation of mbuf pool for socket %u "
+						"failed\n", socket_id);
+	} else if (verbose_level > 0) {
+		rte_mempool_dump(stdout, rte_mp);
+	}
+}
+
+/*
+ * Check given socket id is valid or not with NUMA mode,
+ * if valid, return 0, else return -1
+ */
+static int
+check_socket_id(const unsigned int socket_id)
+{
+	static int warning_once = 0;
+
+	if (socket_id >= max_socket) {
+		if (!warning_once && numa_support)
+			printf("Warning: NUMA should be configured manually by"
+			       " using --port-numa-config and"
+			       " --ring-numa-config parameters along with"
+			       " --numa.\n");
+		warning_once = 1;
+		return -1;
+	}
+	return 0;
+}
+
+static void
+init_config(void)
+{
+	portid_t pid;
+	struct rte_port *port;
+	struct rte_mempool *mbp;
+	unsigned int nb_mbuf_per_pool;
+	lcoreid_t  lc_id;
+	uint8_t port_per_socket[RTE_MAX_NUMA_NODES];
+
+	memset(port_per_socket,0,RTE_MAX_NUMA_NODES);
+	/* Configuration of logical cores. */
+	fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
+				sizeof(struct fwd_lcore *) * nb_lcores,
+				RTE_CACHE_LINE_SIZE);
+	if (fwd_lcores == NULL) {
+		rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_lcore *)) "
+							"failed\n", nb_lcores);
+	}
+	for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
+		fwd_lcores[lc_id] = rte_zmalloc("testpmd: struct fwd_lcore",
+					       sizeof(struct fwd_lcore),
+					       RTE_CACHE_LINE_SIZE);
+		if (fwd_lcores[lc_id] == NULL) {
+			rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_lcore) "
+								"failed\n");
+		}
+		fwd_lcores[lc_id]->cpuid_idx = lc_id;
+	}
+
+	/*
+	 * Create pools of mbuf.
+	 * If NUMA support is disabled, create a single pool of mbuf in
+	 * socket 0 memory by default.
+	 * Otherwise, create a pool of mbuf in the memory of sockets 0 and 1.
+	 *
+	 * Use the maximum value of nb_rxd and nb_txd here, then nb_rxd and
+	 * nb_txd can be configured at run time.
+	 */
+	if (param_total_num_mbufs)
+		nb_mbuf_per_pool = param_total_num_mbufs;
+	else {
+		nb_mbuf_per_pool = RTE_TEST_RX_DESC_MAX + (nb_lcores * mb_mempool_cache)
+				+ RTE_TEST_TX_DESC_MAX + MAX_PKT_BURST;
+
+		if (!numa_support)
+			nb_mbuf_per_pool =
+				(nb_mbuf_per_pool * RTE_MAX_ETHPORTS);
+	}
+
+	if (!numa_support) {
+		if (socket_num == UMA_NO_CONFIG)
+			mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
+		else
+			mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
+						 socket_num);
+	}
+
+	FOREACH_PORT(pid, ports) {
+		port = &ports[pid];
+		rte_eth_dev_info_get(pid, &port->dev_info);
+
+		if (numa_support) {
+			if (port_numa[pid] != NUMA_NO_CONFIG)
+				port_per_socket[port_numa[pid]]++;
+			else {
+				uint32_t socket_id = rte_eth_dev_socket_id(pid);
+
+				/* if socket_id is invalid, set to 0 */
+				if (check_socket_id(socket_id) < 0)
+					socket_id = 0;
+				port_per_socket[socket_id]++;
+			}
+		}
+
+		/* set flag to initialize port/queue */
+		port->need_reconfig = 1;
+		port->need_reconfig_queues = 1;
+	}
+
+	if (numa_support) {
+		uint8_t i;
+		unsigned int nb_mbuf;
+
+		if (param_total_num_mbufs)
+			nb_mbuf_per_pool = nb_mbuf_per_pool/nb_ports;
+
+		for (i = 0; i < max_socket; i++) {
+			nb_mbuf = (nb_mbuf_per_pool * RTE_MAX_ETHPORTS);
+			if (nb_mbuf)
+				mbuf_pool_create(mbuf_data_size,
+						nb_mbuf,i);
+		}
+	}
+	init_port_config();
+
+	/*
+	 * Records which Mbuf pool to use by each logical core, if needed.
+	 */
+	for (lc_id = 0; lc_id < nb_lcores; lc_id++) {
+		mbp = mbuf_pool_find(
+			rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]));
+
+		if (mbp == NULL)
+			mbp = mbuf_pool_find(0);
+		fwd_lcores[lc_id]->mbp = mbp;
+	}
+
+	/* Configuration of packet forwarding streams. */
+	if (init_fwd_streams() < 0)
+		rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n");
+}
+
+
+void
+reconfig(portid_t new_port_id, unsigned socket_id)
+{
+	struct rte_port *port;
+
+	/* Reconfiguration of Ethernet ports. */
+	port = &ports[new_port_id];
+	rte_eth_dev_info_get(new_port_id, &port->dev_info);
+
+	/* set flag to initialize port/queue */
+	port->need_reconfig = 1;
+	port->need_reconfig_queues = 1;
+	port->socket_id = socket_id;
+
+	init_port_config();
+}
+
+
+int
+init_fwd_streams(void)
+{
+	portid_t pid;
+	struct rte_port *port;
+	streamid_t sm_id, nb_fwd_streams_new;
+	queueid_t q;
+
+	/* set socket id according to numa or not */
+	FOREACH_PORT(pid, ports) {
+		port = &ports[pid];
+		if (nb_rxq > port->dev_info.max_rx_queues) {
+			printf("Fail: nb_rxq(%d) is greater than "
+				"max_rx_queues(%d)\n", nb_rxq,
+				port->dev_info.max_rx_queues);
+			return -1;
+		}
+		if (nb_txq > port->dev_info.max_tx_queues) {
+			printf("Fail: nb_txq(%d) is greater than "
+				"max_tx_queues(%d)\n", nb_txq,
+				port->dev_info.max_tx_queues);
+			return -1;
+		}
+		if (numa_support) {
+			if (port_numa[pid] != NUMA_NO_CONFIG)
+				port->socket_id = port_numa[pid];
+			else {
+				port->socket_id = rte_eth_dev_socket_id(pid);
+
+				/* if socket_id is invalid, set to 0 */
+				if (check_socket_id(port->socket_id) < 0)
+					port->socket_id = 0;
+			}
+		}
+		else {
+			if (socket_num == UMA_NO_CONFIG)
+				port->socket_id = 0;
+			else
+				port->socket_id = socket_num;
+		}
+	}
+
+	q = RTE_MAX(nb_rxq, nb_txq);
+	if (q == 0) {
+		printf("Fail: Cannot allocate fwd streams as number of queues is 0\n");
+		return -1;
+	}
+	nb_fwd_streams_new = (streamid_t)(nb_ports * q);
+	if (nb_fwd_streams_new == nb_fwd_streams)
+		return 0;
+	/* clear the old */
+	if (fwd_streams != NULL) {
+		for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
+			if (fwd_streams[sm_id] == NULL)
+				continue;
+			rte_free(fwd_streams[sm_id]);
+			fwd_streams[sm_id] = NULL;
+		}
+		rte_free(fwd_streams);
+		fwd_streams = NULL;
+	}
+
+	/* init new */
+	nb_fwd_streams = nb_fwd_streams_new;
+	fwd_streams = rte_zmalloc("testpmd: fwd_streams",
+		sizeof(struct fwd_stream *) * nb_fwd_streams, RTE_CACHE_LINE_SIZE);
+	if (fwd_streams == NULL)
+		rte_exit(EXIT_FAILURE, "rte_zmalloc(%d (struct fwd_stream *)) "
+						"failed\n", nb_fwd_streams);
+
+	for (sm_id = 0; sm_id < nb_fwd_streams; sm_id++) {
+		fwd_streams[sm_id] = rte_zmalloc("testpmd: struct fwd_stream",
+				sizeof(struct fwd_stream), RTE_CACHE_LINE_SIZE);
+		if (fwd_streams[sm_id] == NULL)
+			rte_exit(EXIT_FAILURE, "rte_zmalloc(struct fwd_stream)"
+								" failed\n");
+	}
+
+	return 0;
+}
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+static void
+pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs)
+{
+	unsigned int total_burst;
+	unsigned int nb_burst;
+	unsigned int burst_stats[3];
+	uint16_t pktnb_stats[3];
+	uint16_t nb_pkt;
+	int burst_percent[3];
+
+	/*
+	 * First compute the total number of packet bursts and the
+	 * two highest numbers of bursts of the same number of packets.
+	 */
+	total_burst = 0;
+	burst_stats[0] = burst_stats[1] = burst_stats[2] = 0;
+	pktnb_stats[0] = pktnb_stats[1] = pktnb_stats[2] = 0;
+	for (nb_pkt = 0; nb_pkt < MAX_PKT_BURST; nb_pkt++) {
+		nb_burst = pbs->pkt_burst_spread[nb_pkt];
+		if (nb_burst == 0)
+			continue;
+		total_burst += nb_burst;
+		if (nb_burst > burst_stats[0]) {
+			burst_stats[1] = burst_stats[0];
+			pktnb_stats[1] = pktnb_stats[0];
+			burst_stats[0] = nb_burst;
+			pktnb_stats[0] = nb_pkt;
+		}
+	}
+	if (total_burst == 0)
+		return;
+	burst_percent[0] = (burst_stats[0] * 100) / total_burst;
+	printf("  %s-bursts : %u [%d%% of %d pkts", rx_tx, total_burst,
+	       burst_percent[0], (int) pktnb_stats[0]);
+	if (burst_stats[0] == total_burst) {
+		printf("]\n");
+		return;
+	}
+	if (burst_stats[0] + burst_stats[1] == total_burst) {
+		printf(" + %d%% of %d pkts]\n",
+		       100 - burst_percent[0], pktnb_stats[1]);
+		return;
+	}
+	burst_percent[1] = (burst_stats[1] * 100) / total_burst;
+	burst_percent[2] = 100 - (burst_percent[0] + burst_percent[1]);
+	if ((burst_percent[1] == 0) || (burst_percent[2] == 0)) {
+		printf(" + %d%% of others]\n", 100 - burst_percent[0]);
+		return;
+	}
+	printf(" + %d%% of %d pkts + %d%% of others]\n",
+	       burst_percent[1], (int) pktnb_stats[1], burst_percent[2]);
+}
+#endif /* RTE_TEST_PMD_RECORD_BURST_STATS */
+
+static void
+fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats)
+{
+	struct rte_port *port;
+	uint8_t i;
+
+	static const char *fwd_stats_border = "----------------------";
+
+	port = &ports[port_id];
+	printf("\n  %s Forward statistics for port %-2d %s\n",
+	       fwd_stats_border, port_id, fwd_stats_border);
+
+	if ((!port->rx_queue_stats_mapping_enabled) && (!port->tx_queue_stats_mapping_enabled)) {
+		printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
+		       "%-"PRIu64"\n",
+		       stats->ipackets, stats->imissed,
+		       (uint64_t) (stats->ipackets + stats->imissed));
+
+		if (cur_fwd_eng == &csum_fwd_engine)
+			printf("  Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n",
+			       port->rx_bad_ip_csum, port->rx_bad_l4_csum);
+		if ((stats->ierrors + stats->rx_nombuf) > 0) {
+			printf("  RX-error: %-"PRIu64"\n",  stats->ierrors);
+			printf("  RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf);
+		}
+
+		printf("  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
+		       "%-"PRIu64"\n",
+		       stats->opackets, port->tx_dropped,
+		       (uint64_t) (stats->opackets + port->tx_dropped));
+	}
+	else {
+		printf("  RX-packets:             %14"PRIu64"    RX-dropped:%14"PRIu64"    RX-total:"
+		       "%14"PRIu64"\n",
+		       stats->ipackets, stats->imissed,
+		       (uint64_t) (stats->ipackets + stats->imissed));
+
+		if (cur_fwd_eng == &csum_fwd_engine)
+			printf("  Bad-ipcsum:%14"PRIu64"    Bad-l4csum:%14"PRIu64"\n",
+			       port->rx_bad_ip_csum, port->rx_bad_l4_csum);
+		if ((stats->ierrors + stats->rx_nombuf) > 0) {
+			printf("  RX-error:%"PRIu64"\n", stats->ierrors);
+			printf("  RX-nombufs:             %14"PRIu64"\n",
+			       stats->rx_nombuf);
+		}
+
+		printf("  TX-packets:             %14"PRIu64"    TX-dropped:%14"PRIu64"    TX-total:"
+		       "%14"PRIu64"\n",
+		       stats->opackets, port->tx_dropped,
+		       (uint64_t) (stats->opackets + port->tx_dropped));
+	}
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+	if (port->rx_stream)
+		pkt_burst_stats_display("RX",
+			&port->rx_stream->rx_burst_stats);
+	if (port->tx_stream)
+		pkt_burst_stats_display("TX",
+			&port->tx_stream->tx_burst_stats);
+#endif
+
+	if (port->rx_queue_stats_mapping_enabled) {
+		printf("\n");
+		for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
+			printf("  Stats reg %2d RX-packets:%14"PRIu64
+			       "     RX-errors:%14"PRIu64
+			       "    RX-bytes:%14"PRIu64"\n",
+			       i, stats->q_ipackets[i], stats->q_errors[i], stats->q_ibytes[i]);
+		}
+		printf("\n");
+	}
+	if (port->tx_queue_stats_mapping_enabled) {
+		for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
+			printf("  Stats reg %2d TX-packets:%14"PRIu64
+			       "                                 TX-bytes:%14"PRIu64"\n",
+			       i, stats->q_opackets[i], stats->q_obytes[i]);
+		}
+	}
+
+	printf("  %s--------------------------------%s\n",
+	       fwd_stats_border, fwd_stats_border);
+}
+
+static void
+fwd_stream_stats_display(streamid_t stream_id)
+{
+	struct fwd_stream *fs;
+	static const char *fwd_top_stats_border = "-------";
+
+	fs = fwd_streams[stream_id];
+	if ((fs->rx_packets == 0) && (fs->tx_packets == 0) &&
+	    (fs->fwd_dropped == 0))
+		return;
+	printf("\n  %s Forward Stats for RX Port=%2d/Queue=%2d -> "
+	       "TX Port=%2d/Queue=%2d %s\n",
+	       fwd_top_stats_border, fs->rx_port, fs->rx_queue,
+	       fs->tx_port, fs->tx_queue, fwd_top_stats_border);
+	printf("  RX-packets: %-14u TX-packets: %-14u TX-dropped: %-14u",
+	       fs->rx_packets, fs->tx_packets, fs->fwd_dropped);
+
+	/* if checksum mode */
+	if (cur_fwd_eng == &csum_fwd_engine) {
+	       printf("  RX- bad IP checksum: %-14u  Rx- bad L4 checksum: "
+			"%-14u\n", fs->rx_bad_ip_csum, fs->rx_bad_l4_csum);
+	}
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+	pkt_burst_stats_display("RX", &fs->rx_burst_stats);
+	pkt_burst_stats_display("TX", &fs->tx_burst_stats);
+#endif
+}
+
+static void
+flush_fwd_rx_queues(void)
+{
+	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+	portid_t  rxp;
+	portid_t port_id;
+	queueid_t rxq;
+	uint16_t  nb_rx;
+	uint16_t  i;
+	uint8_t   j;
+
+	for (j = 0; j < 2; j++) {
+		for (rxp = 0; rxp < cur_fwd_config.nb_fwd_ports; rxp++) {
+			for (rxq = 0; rxq < nb_rxq; rxq++) {
+				port_id = fwd_ports_ids[rxp];
+				do {
+					nb_rx = rte_eth_rx_burst(port_id, rxq,
+						pkts_burst, MAX_PKT_BURST);
+					for (i = 0; i < nb_rx; i++)
+						rte_pktmbuf_free(pkts_burst[i]);
+				} while (nb_rx > 0);
+			}
+		}
+		rte_delay_ms(10); /* wait 10 milli-seconds before retrying */
+	}
+}
+
+static void
+run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
+{
+	struct fwd_stream **fsm;
+	streamid_t nb_fs;
+	streamid_t sm_id;
+
+	fsm = &fwd_streams[fc->stream_idx];
+	nb_fs = fc->stream_nb;
+	do {
+		for (sm_id = 0; sm_id < nb_fs; sm_id++)
+			(*pkt_fwd)(fsm[sm_id]);
+	} while (! fc->stopped);
+}
+
+static int
+start_pkt_forward_on_core(void *fwd_arg)
+{
+	run_pkt_fwd_on_lcore((struct fwd_lcore *) fwd_arg,
+			     cur_fwd_config.fwd_eng->packet_fwd);
+	return 0;
+}
+
+/*
+ * Run the TXONLY packet forwarding engine to send a single burst of packets.
+ * Used to start communication flows in network loopback test configurations.
+ */
+static int
+run_one_txonly_burst_on_core(void *fwd_arg)
+{
+	struct fwd_lcore *fwd_lc;
+	struct fwd_lcore tmp_lcore;
+
+	fwd_lc = (struct fwd_lcore *) fwd_arg;
+	tmp_lcore = *fwd_lc;
+	tmp_lcore.stopped = 1;
+	run_pkt_fwd_on_lcore(&tmp_lcore, tx_only_engine.packet_fwd);
+	return 0;
+}
+
+/*
+ * Launch packet forwarding:
+ *     - Setup per-port forwarding context.
+ *     - launch logical cores with their forwarding configuration.
+ */
+static void
+launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
+{
+	port_fwd_begin_t port_fwd_begin;
+	unsigned int i;
+	unsigned int lc_id;
+	int diag;
+
+	port_fwd_begin = cur_fwd_config.fwd_eng->port_fwd_begin;
+	if (port_fwd_begin != NULL) {
+		for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
+			(*port_fwd_begin)(fwd_ports_ids[i]);
+	}
+	for (i = 0; i < cur_fwd_config.nb_fwd_lcores; i++) {
+		lc_id = fwd_lcores_cpuids[i];
+		if ((interactive == 0) || (lc_id != rte_lcore_id())) {
+			fwd_lcores[i]->stopped = 0;
+			diag = rte_eal_remote_launch(pkt_fwd_on_lcore,
+						     fwd_lcores[i], lc_id);
+			if (diag != 0)
+				printf("launch lcore %u failed - diag=%d\n",
+				       lc_id, diag);
+		}
+	}
+}
+
+/*
+ * Launch packet forwarding configuration.
+ */
+void
+start_packet_forwarding(int with_tx_first)
+{
+	port_fwd_begin_t port_fwd_begin;
+	port_fwd_end_t  port_fwd_end;
+	struct rte_port *port;
+	unsigned int i;
+	portid_t   pt_id;
+	streamid_t sm_id;
+
+	if (strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") == 0 && !nb_rxq)
+		rte_exit(EXIT_FAILURE, "rxq are 0, cannot use rxonly fwd mode\n");
+
+	if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 && !nb_txq)
+		rte_exit(EXIT_FAILURE, "txq are 0, cannot use txonly fwd mode\n");
+
+	if ((strcmp(cur_fwd_eng->fwd_mode_name, "rxonly") != 0 &&
+		strcmp(cur_fwd_eng->fwd_mode_name, "txonly") != 0) &&
+		(!nb_rxq || !nb_txq))
+		rte_exit(EXIT_FAILURE,
+			"Either rxq or txq are 0, cannot use %s fwd mode\n",
+			cur_fwd_eng->fwd_mode_name);
+
+	if (all_ports_started() == 0) {
+		printf("Not all ports were started\n");
+		return;
+	}
+	if (test_done == 0) {
+		printf("Packet forwarding already started\n");
+		return;
+	}
+	if(dcb_test) {
+		for (i = 0; i < nb_fwd_ports; i++) {
+			pt_id = fwd_ports_ids[i];
+			port = &ports[pt_id];
+			if (!port->dcb_flag) {
+				printf("In DCB mode, all forwarding ports must "
+                                       "be configured in this mode.\n");
+				return;
+			}
+		}
+		if (nb_fwd_lcores == 1) {
+			printf("In DCB mode,the nb forwarding cores "
+                               "should be larger than 1.\n");
+			return;
+		}
+	}
+	test_done = 0;
+
+	if(!no_flush_rx)
+		flush_fwd_rx_queues();
+
+	fwd_config_setup();
+	rxtx_config_display();
+
+	for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
+		pt_id = fwd_ports_ids[i];
+		port = &ports[pt_id];
+		rte_eth_stats_get(pt_id, &port->stats);
+		port->tx_dropped = 0;
+
+		map_port_queue_stats_mapping_registers(pt_id, port);
+	}
+	for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
+		fwd_streams[sm_id]->rx_packets = 0;
+		fwd_streams[sm_id]->tx_packets = 0;
+		fwd_streams[sm_id]->fwd_dropped = 0;
+		fwd_streams[sm_id]->rx_bad_ip_csum = 0;
+		fwd_streams[sm_id]->rx_bad_l4_csum = 0;
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+		memset(&fwd_streams[sm_id]->rx_burst_stats, 0,
+		       sizeof(fwd_streams[sm_id]->rx_burst_stats));
+		memset(&fwd_streams[sm_id]->tx_burst_stats, 0,
+		       sizeof(fwd_streams[sm_id]->tx_burst_stats));
+#endif
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+		fwd_streams[sm_id]->core_cycles = 0;
+#endif
+	}
+	if (with_tx_first) {
+		port_fwd_begin = tx_only_engine.port_fwd_begin;
+		if (port_fwd_begin != NULL) {
+			for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
+				(*port_fwd_begin)(fwd_ports_ids[i]);
+		}
+		launch_packet_forwarding(run_one_txonly_burst_on_core);
+		rte_eal_mp_wait_lcore();
+		port_fwd_end = tx_only_engine.port_fwd_end;
+		if (port_fwd_end != NULL) {
+			for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
+				(*port_fwd_end)(fwd_ports_ids[i]);
+		}
+	}
+	launch_packet_forwarding(start_pkt_forward_on_core);
+}
+
+void
+stop_packet_forwarding(void)
+{
+	struct rte_eth_stats stats;
+	struct rte_port *port;
+	port_fwd_end_t  port_fwd_end;
+	int i;
+	portid_t   pt_id;
+	streamid_t sm_id;
+	lcoreid_t  lc_id;
+	uint64_t total_recv;
+	uint64_t total_xmit;
+	uint64_t total_rx_dropped;
+	uint64_t total_tx_dropped;
+	uint64_t total_rx_nombuf;
+	uint64_t tx_dropped;
+	uint64_t rx_bad_ip_csum;
+	uint64_t rx_bad_l4_csum;
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	uint64_t fwd_cycles;
+#endif
+	static const char *acc_stats_border = "+++++++++++++++";
+
+	if (all_ports_started() == 0) {
+		printf("Not all ports were started\n");
+		return;
+	}
+	if (test_done) {
+		printf("Packet forwarding not started\n");
+		return;
+	}
+	printf("Telling cores to stop...");
+	for (lc_id = 0; lc_id < cur_fwd_config.nb_fwd_lcores; lc_id++)
+		fwd_lcores[lc_id]->stopped = 1;
+	printf("\nWaiting for lcores to finish...\n");
+	rte_eal_mp_wait_lcore();
+	port_fwd_end = cur_fwd_config.fwd_eng->port_fwd_end;
+	if (port_fwd_end != NULL) {
+		for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
+			pt_id = fwd_ports_ids[i];
+			(*port_fwd_end)(pt_id);
+		}
+	}
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	fwd_cycles = 0;
+#endif
+	for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
+		if (cur_fwd_config.nb_fwd_streams >
+		    cur_fwd_config.nb_fwd_ports) {
+			fwd_stream_stats_display(sm_id);
+			ports[fwd_streams[sm_id]->tx_port].tx_stream = NULL;
+			ports[fwd_streams[sm_id]->rx_port].rx_stream = NULL;
+		} else {
+			ports[fwd_streams[sm_id]->tx_port].tx_stream =
+				fwd_streams[sm_id];
+			ports[fwd_streams[sm_id]->rx_port].rx_stream =
+				fwd_streams[sm_id];
+		}
+		tx_dropped = ports[fwd_streams[sm_id]->tx_port].tx_dropped;
+		tx_dropped = (uint64_t) (tx_dropped +
+					 fwd_streams[sm_id]->fwd_dropped);
+		ports[fwd_streams[sm_id]->tx_port].tx_dropped = tx_dropped;
+
+		rx_bad_ip_csum =
+			ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum;
+		rx_bad_ip_csum = (uint64_t) (rx_bad_ip_csum +
+					 fwd_streams[sm_id]->rx_bad_ip_csum);
+		ports[fwd_streams[sm_id]->rx_port].rx_bad_ip_csum =
+							rx_bad_ip_csum;
+
+		rx_bad_l4_csum =
+			ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum;
+		rx_bad_l4_csum = (uint64_t) (rx_bad_l4_csum +
+					 fwd_streams[sm_id]->rx_bad_l4_csum);
+		ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum =
+							rx_bad_l4_csum;
+
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+		fwd_cycles = (uint64_t) (fwd_cycles +
+					 fwd_streams[sm_id]->core_cycles);
+#endif
+	}
+	total_recv = 0;
+	total_xmit = 0;
+	total_rx_dropped = 0;
+	total_tx_dropped = 0;
+	total_rx_nombuf  = 0;
+	for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
+		pt_id = fwd_ports_ids[i];
+
+		port = &ports[pt_id];
+		rte_eth_stats_get(pt_id, &stats);
+		stats.ipackets -= port->stats.ipackets;
+		port->stats.ipackets = 0;
+		stats.opackets -= port->stats.opackets;
+		port->stats.opackets = 0;
+		stats.ibytes   -= port->stats.ibytes;
+		port->stats.ibytes = 0;
+		stats.obytes   -= port->stats.obytes;
+		port->stats.obytes = 0;
+		stats.imissed  -= port->stats.imissed;
+		port->stats.imissed = 0;
+		stats.oerrors  -= port->stats.oerrors;
+		port->stats.oerrors = 0;
+		stats.rx_nombuf -= port->stats.rx_nombuf;
+		port->stats.rx_nombuf = 0;
+
+		total_recv += stats.ipackets;
+		total_xmit += stats.opackets;
+		total_rx_dropped += stats.imissed;
+		total_tx_dropped += port->tx_dropped;
+		total_rx_nombuf  += stats.rx_nombuf;
+
+		fwd_port_stats_display(pt_id, &stats);
+	}
+	printf("\n  %s Accumulated forward statistics for all ports"
+	       "%s\n",
+	       acc_stats_border, acc_stats_border);
+	printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
+	       "%-"PRIu64"\n"
+	       "  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
+	       "%-"PRIu64"\n",
+	       total_recv, total_rx_dropped, total_recv + total_rx_dropped,
+	       total_xmit, total_tx_dropped, total_xmit + total_tx_dropped);
+	if (total_rx_nombuf > 0)
+		printf("  RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf);
+	printf("  %s++++++++++++++++++++++++++++++++++++++++++++++"
+	       "%s\n",
+	       acc_stats_border, acc_stats_border);
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+	if (total_recv > 0)
+		printf("\n  CPU cycles/packet=%u (total cycles="
+		       "%"PRIu64" / total RX packets=%"PRIu64")\n",
+		       (unsigned int)(fwd_cycles / total_recv),
+		       fwd_cycles, total_recv);
+#endif
+	printf("\nDone.\n");
+	test_done = 1;
+}
+
+void
+dev_set_link_up(portid_t pid)
+{
+	if (rte_eth_dev_set_link_up((uint8_t)pid) < 0)
+		printf("\nSet link up fail.\n");
+}
+
+void
+dev_set_link_down(portid_t pid)
+{
+	if (rte_eth_dev_set_link_down((uint8_t)pid) < 0)
+		printf("\nSet link down fail.\n");
+}
+
+static int
+all_ports_started(void)
+{
+	portid_t pi;
+	struct rte_port *port;
+
+	FOREACH_PORT(pi, ports) {
+		port = &ports[pi];
+		/* Check if there is a port which is not started */
+		if ((port->port_status != RTE_PORT_STARTED) &&
+			(port->slave_flag == 0))
+			return 0;
+	}
+
+	/* No port is not started */
+	return 1;
+}
+
+int
+all_ports_stopped(void)
+{
+	portid_t pi;
+	struct rte_port *port;
+
+	FOREACH_PORT(pi, ports) {
+		port = &ports[pi];
+		if ((port->port_status != RTE_PORT_STOPPED) &&
+			(port->slave_flag == 0))
+			return 0;
+	}
+
+	return 1;
+}
+
+int
+port_is_started(portid_t port_id)
+{
+	if (port_id_is_invalid(port_id, ENABLED_WARN))
+		return 0;
+
+	if (ports[port_id].port_status != RTE_PORT_STARTED)
+		return 0;
+
+	return 1;
+}
+
+static int
+port_is_closed(portid_t port_id)
+{
+	if (port_id_is_invalid(port_id, ENABLED_WARN))
+		return 0;
+
+	if (ports[port_id].port_status != RTE_PORT_CLOSED)
+		return 0;
+
+	return 1;
+}
+
+int
+start_port(portid_t pid)
+{
+	int diag, need_check_link_status = -1;
+	portid_t pi;
+	queueid_t qi;
+	struct rte_port *port;
+	struct ether_addr mac_addr;
+
+	if (test_done == 0) {
+		printf("Please stop forwarding first\n");
+		return -1;
+	}
+
+	if (port_id_is_invalid(pid, ENABLED_WARN))
+		return 0;
+
+	if (init_fwd_streams() < 0) {
+		printf("Fail from init_fwd_streams()\n");
+		return -1;
+	}
+
+	if(dcb_config)
+		dcb_test = 1;
+	FOREACH_PORT(pi, ports) {
+		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
+			continue;
+
+		need_check_link_status = 0;
+		port = &ports[pi];
+		if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STOPPED,
+						 RTE_PORT_HANDLING) == 0) {
+			printf("Port %d is now not stopped\n", pi);
+			continue;
+		}
+
+		if (port->need_reconfig > 0) {
+			port->need_reconfig = 0;
+
+			printf("Configuring Port %d (socket %u)\n", pi,
+					port->socket_id);
+			/* configure port */
+			diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq,
+						&(port->dev_conf));
+			if (diag != 0) {
+				if (rte_atomic16_cmpset(&(port->port_status),
+				RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
+					printf("Port %d can not be set back "
+							"to stopped\n", pi);
+				printf("Fail to configure port %d\n", pi);
+				/* try to reconfigure port next time */
+				port->need_reconfig = 1;
+				return -1;
+			}
+		}
+		if (port->need_reconfig_queues > 0) {
+			port->need_reconfig_queues = 0;
+			/* setup tx queues */
+			for (qi = 0; qi < nb_txq; qi++) {
+				if ((numa_support) &&
+					(txring_numa[pi] != NUMA_NO_CONFIG))
+					diag = rte_eth_tx_queue_setup(pi, qi,
+						nb_txd,txring_numa[pi],
+						&(port->tx_conf));
+				else
+					diag = rte_eth_tx_queue_setup(pi, qi,
+						nb_txd,port->socket_id,
+						&(port->tx_conf));
+
+				if (diag == 0)
+					continue;
+
+				/* Fail to setup tx queue, return */
+				if (rte_atomic16_cmpset(&(port->port_status),
+							RTE_PORT_HANDLING,
+							RTE_PORT_STOPPED) == 0)
+					printf("Port %d can not be set back "
+							"to stopped\n", pi);
+				printf("Fail to configure port %d tx queues\n", pi);
+				/* try to reconfigure queues next time */
+				port->need_reconfig_queues = 1;
+				return -1;
+			}
+			/* setup rx queues */
+			for (qi = 0; qi < nb_rxq; qi++) {
+				if ((numa_support) &&
+					(rxring_numa[pi] != NUMA_NO_CONFIG)) {
+					struct rte_mempool * mp =
+						mbuf_pool_find(rxring_numa[pi]);
+					if (mp == NULL) {
+						printf("Failed to setup RX queue:"
+							"No mempool allocation"
+							"on the socket %d\n",
+							rxring_numa[pi]);
+						return -1;
+					}
+
+					diag = rte_eth_rx_queue_setup(pi, qi,
+					     nb_rxd,rxring_numa[pi],
+					     &(port->rx_conf),mp);
+				}
+				else
+					diag = rte_eth_rx_queue_setup(pi, qi,
+					     nb_rxd,port->socket_id,
+					     &(port->rx_conf),
+				             mbuf_pool_find(port->socket_id));
+
+				if (diag == 0)
+					continue;
+
+
+				/* Fail to setup rx queue, return */
+				if (rte_atomic16_cmpset(&(port->port_status),
+							RTE_PORT_HANDLING,
+							RTE_PORT_STOPPED) == 0)
+					printf("Port %d can not be set back "
+							"to stopped\n", pi);
+				printf("Fail to configure port %d rx queues\n", pi);
+				/* try to reconfigure queues next time */
+				port->need_reconfig_queues = 1;
+				return -1;
+			}
+		}
+		/* start port */
+		if (rte_eth_dev_start(pi) < 0) {
+			printf("Fail to start port %d\n", pi);
+
+			/* Fail to setup rx queue, return */
+			if (rte_atomic16_cmpset(&(port->port_status),
+				RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
+				printf("Port %d can not be set back to "
+							"stopped\n", pi);
+			continue;
+		}
+
+		if (rte_atomic16_cmpset(&(port->port_status),
+			RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0)
+			printf("Port %d can not be set into started\n", pi);
+
+		rte_eth_macaddr_get(pi, &mac_addr);
+		printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi,
+				mac_addr.addr_bytes[0], mac_addr.addr_bytes[1],
+				mac_addr.addr_bytes[2], mac_addr.addr_bytes[3],
+				mac_addr.addr_bytes[4], mac_addr.addr_bytes[5]);
+
+		/* at least one port started, need checking link status */
+		need_check_link_status = 1;
+	}
+
+	if (need_check_link_status == 1 && !no_link_check)
+		check_all_ports_link_status(RTE_PORT_ALL);
+	else if (need_check_link_status == 0)
+		printf("Please stop the ports first\n");
+
+	printf("Done\n");
+	return 0;
+}
+
+void
+stop_port(portid_t pid)
+{
+	portid_t pi;
+	struct rte_port *port;
+	int need_check_link_status = 0;
+
+	if (test_done == 0) {
+		printf("Please stop forwarding first\n");
+		return;
+	}
+	if (dcb_test) {
+		dcb_test = 0;
+		dcb_config = 0;
+	}
+
+	if (port_id_is_invalid(pid, ENABLED_WARN))
+		return;
+
+	printf("Stopping ports...\n");
+
+	FOREACH_PORT(pi, ports) {
+		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
+			continue;
+
+		port = &ports[pi];
+		if (rte_atomic16_cmpset(&(port->port_status), RTE_PORT_STARTED,
+						RTE_PORT_HANDLING) == 0)
+			continue;
+
+		rte_eth_dev_stop(pi);
+
+		if (rte_atomic16_cmpset(&(port->port_status),
+			RTE_PORT_HANDLING, RTE_PORT_STOPPED) == 0)
+			printf("Port %d can not be set into stopped\n", pi);
+		need_check_link_status = 1;
+	}
+	if (need_check_link_status && !no_link_check)
+		check_all_ports_link_status(RTE_PORT_ALL);
+
+	printf("Done\n");
+}
+
+void
+close_port(portid_t pid)
+{
+	portid_t pi;
+	struct rte_port *port;
+
+	if (test_done == 0) {
+		printf("Please stop forwarding first\n");
+		return;
+	}
+
+	if (port_id_is_invalid(pid, ENABLED_WARN))
+		return;
+
+	printf("Closing ports...\n");
+
+	FOREACH_PORT(pi, ports) {
+		if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
+			continue;
+
+		port = &ports[pi];
+		if (rte_atomic16_cmpset(&(port->port_status),
+			RTE_PORT_CLOSED, RTE_PORT_CLOSED) == 1) {
+			printf("Port %d is already closed\n", pi);
+			continue;
+		}
+
+		if (rte_atomic16_cmpset(&(port->port_status),
+			RTE_PORT_STOPPED, RTE_PORT_HANDLING) == 0) {
+			printf("Port %d is now not stopped\n", pi);
+			continue;
+		}
+
+		rte_eth_dev_close(pi);
+
+		if (rte_atomic16_cmpset(&(port->port_status),
+			RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0)
+			printf("Port %d can not be set into stopped\n", pi);
+	}
+
+	printf("Done\n");
+}
+
+void
+attach_port(char *identifier)
+{
+	portid_t i, j, pi = 0;
+
+	printf("Attaching a new port...\n");
+
+	if (identifier == NULL) {
+		printf("Invalid parameters are specified\n");
+		return;
+	}
+
+	if (test_done == 0) {
+		printf("Please stop forwarding first\n");
+		return;
+	}
+
+	if (rte_eth_dev_attach(identifier, &pi))
+		return;
+
+	ports[pi].enabled = 1;
+	reconfig(pi, rte_eth_dev_socket_id(pi));
+	rte_eth_promiscuous_enable(pi);
+
+	nb_ports = rte_eth_dev_count();
+
+	/* set_default_fwd_ports_config(); */
+	memset(fwd_ports_ids, 0, sizeof(fwd_ports_ids));
+	i = 0;
+	FOREACH_PORT(j, ports) {
+		fwd_ports_ids[i] = j;
+		i++;
+	}
+	nb_cfg_ports = nb_ports;
+	nb_fwd_ports++;
+
+	ports[pi].port_status = RTE_PORT_STOPPED;
+
+	printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports);
+	printf("Done\n");
+}
+
+void
+detach_port(uint8_t port_id)
+{
+	portid_t i, pi = 0;
+	char name[RTE_ETH_NAME_MAX_LEN];
+
+	printf("Detaching a port...\n");
+
+	if (!port_is_closed(port_id)) {
+		printf("Please close port first\n");
+		return;
+	}
+
+	if (rte_eth_dev_detach(port_id, name))
+		return;
+
+	ports[port_id].enabled = 0;
+	nb_ports = rte_eth_dev_count();
+
+	/* set_default_fwd_ports_config(); */
+	memset(fwd_ports_ids, 0, sizeof(fwd_ports_ids));
+	i = 0;
+	FOREACH_PORT(pi, ports) {
+		fwd_ports_ids[i] = pi;
+		i++;
+	}
+	nb_cfg_ports = nb_ports;
+	nb_fwd_ports--;
+
+	printf("Port '%s' is detached. Now total ports is %d\n",
+			name, nb_ports);
+	printf("Done\n");
+	return;
+}
+
+void
+pmd_test_exit(void)
+{
+	portid_t pt_id;
+
+	if (test_done == 0)
+		stop_packet_forwarding();
+
+	if (ports != NULL) {
+		no_link_check = 1;
+		FOREACH_PORT(pt_id, ports) {
+			printf("\nShutting down port %d...\n", pt_id);
+			fflush(stdout);
+			stop_port(pt_id);
+			close_port(pt_id);
+		}
+	}
+	printf("\nBye...\n");
+}
+
+typedef void (*cmd_func_t)(void);
+struct pmd_test_command {
+	const char *cmd_name;
+	cmd_func_t cmd_func;
+};
+
+#define PMD_TEST_CMD_NB (sizeof(pmd_test_menu) / sizeof(pmd_test_menu[0]))
+
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(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("Checking link statuses...\n");
+	fflush(stdout);
+	for (count = 0; count <= MAX_CHECK_TIME; count++) {
+		all_ports_up = 1;
+		FOREACH_PORT(portid, ports) {
+			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) {
+			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;
+		}
+	}
+}
+
+static int
+set_tx_queue_stats_mapping_registers(uint8_t port_id, struct rte_port *port)
+{
+	uint16_t i;
+	int diag;
+	uint8_t mapping_found = 0;
+
+	for (i = 0; i < nb_tx_queue_stats_mappings; i++) {
+		if ((tx_queue_stats_mappings[i].port_id == port_id) &&
+				(tx_queue_stats_mappings[i].queue_id < nb_txq )) {
+			diag = rte_eth_dev_set_tx_queue_stats_mapping(port_id,
+					tx_queue_stats_mappings[i].queue_id,
+					tx_queue_stats_mappings[i].stats_counter_id);
+			if (diag != 0)
+				return diag;
+			mapping_found = 1;
+		}
+	}
+	if (mapping_found)
+		port->tx_queue_stats_mapping_enabled = 1;
+	return 0;
+}
+
+static int
+set_rx_queue_stats_mapping_registers(uint8_t port_id, struct rte_port *port)
+{
+	uint16_t i;
+	int diag;
+	uint8_t mapping_found = 0;
+
+	for (i = 0; i < nb_rx_queue_stats_mappings; i++) {
+		if ((rx_queue_stats_mappings[i].port_id == port_id) &&
+				(rx_queue_stats_mappings[i].queue_id < nb_rxq )) {
+			diag = rte_eth_dev_set_rx_queue_stats_mapping(port_id,
+					rx_queue_stats_mappings[i].queue_id,
+					rx_queue_stats_mappings[i].stats_counter_id);
+			if (diag != 0)
+				return diag;
+			mapping_found = 1;
+		}
+	}
+	if (mapping_found)
+		port->rx_queue_stats_mapping_enabled = 1;
+	return 0;
+}
+
+static void
+map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port)
+{
+	int diag = 0;
+
+	diag = set_tx_queue_stats_mapping_registers(pi, port);
+	if (diag != 0) {
+		if (diag == -ENOTSUP) {
+			port->tx_queue_stats_mapping_enabled = 0;
+			printf("TX queue stats mapping not supported port id=%d\n", pi);
+		}
+		else
+			rte_exit(EXIT_FAILURE,
+					"set_tx_queue_stats_mapping_registers "
+					"failed for port id=%d diag=%d\n",
+					pi, diag);
+	}
+
+	diag = set_rx_queue_stats_mapping_registers(pi, port);
+	if (diag != 0) {
+		if (diag == -ENOTSUP) {
+			port->rx_queue_stats_mapping_enabled = 0;
+			printf("RX queue stats mapping not supported port id=%d\n", pi);
+		}
+		else
+			rte_exit(EXIT_FAILURE,
+					"set_rx_queue_stats_mapping_registers "
+					"failed for port id=%d diag=%d\n",
+					pi, diag);
+	}
+}
+
+static void
+rxtx_port_config(struct rte_port *port)
+{
+	port->rx_conf = port->dev_info.default_rxconf;
+	port->tx_conf = port->dev_info.default_txconf;
+
+	/* Check if any RX/TX parameters have been passed */
+	if (rx_pthresh != RTE_PMD_PARAM_UNSET)
+		port->rx_conf.rx_thresh.pthresh = rx_pthresh;
+
+	if (rx_hthresh != RTE_PMD_PARAM_UNSET)
+		port->rx_conf.rx_thresh.hthresh = rx_hthresh;
+
+	if (rx_wthresh != RTE_PMD_PARAM_UNSET)
+		port->rx_conf.rx_thresh.wthresh = rx_wthresh;
+
+	if (rx_free_thresh != RTE_PMD_PARAM_UNSET)
+		port->rx_conf.rx_free_thresh = rx_free_thresh;
+
+	if (rx_drop_en != RTE_PMD_PARAM_UNSET)
+		port->rx_conf.rx_drop_en = rx_drop_en;
+
+	if (tx_pthresh != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.tx_thresh.pthresh = tx_pthresh;
+
+	if (tx_hthresh != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.tx_thresh.hthresh = tx_hthresh;
+
+	if (tx_wthresh != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.tx_thresh.wthresh = tx_wthresh;
+
+	if (tx_rs_thresh != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.tx_rs_thresh = tx_rs_thresh;
+
+	if (tx_free_thresh != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.tx_free_thresh = tx_free_thresh;
+
+	if (txq_flags != RTE_PMD_PARAM_UNSET)
+		port->tx_conf.txq_flags = txq_flags;
+}
+
+void
+init_port_config(void)
+{
+	portid_t pid;
+	struct rte_port *port;
+
+	FOREACH_PORT(pid, ports) {
+		port = &ports[pid];
+		port->dev_conf.rxmode = rx_mode;
+		port->dev_conf.fdir_conf = fdir_conf;
+		if (nb_rxq > 1) {
+			port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
+			port->dev_conf.rx_adv_conf.rss_conf.rss_hf = rss_hf;
+		} else {
+			port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
+			port->dev_conf.rx_adv_conf.rss_conf.rss_hf = 0;
+		}
+
+		if (port->dcb_flag == 0 && port->dev_info.max_vfs == 0) {
+			if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
+				port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
+			else
+				port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
+		}
+
+		if (port->dev_info.max_vfs != 0) {
+			if (port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
+				port->dev_conf.rxmode.mq_mode =
+					ETH_MQ_RX_VMDQ_RSS;
+			else
+				port->dev_conf.rxmode.mq_mode =
+					ETH_MQ_RX_NONE;
+
+			port->dev_conf.txmode.mq_mode = ETH_MQ_TX_NONE;
+		}
+
+		rxtx_port_config(port);
+
+		rte_eth_macaddr_get(pid, &port->eth_addr);
+
+		map_port_queue_stats_mapping_registers(pid, port);
+#ifdef RTE_NIC_BYPASS
+		rte_eth_dev_bypass_init(pid);
+#endif
+	}
+}
+
+void set_port_slave_flag(portid_t slave_pid)
+{
+	struct rte_port *port;
+
+	port = &ports[slave_pid];
+	port->slave_flag = 1;
+}
+
+void clear_port_slave_flag(portid_t slave_pid)
+{
+	struct rte_port *port;
+
+	port = &ports[slave_pid];
+	port->slave_flag = 0;
+}
+
+const uint16_t vlan_tags[] = {
+		0,  1,  2,  3,  4,  5,  6,  7,
+		8,  9, 10, 11,  12, 13, 14, 15,
+		16, 17, 18, 19, 20, 21, 22, 23,
+		24, 25, 26, 27, 28, 29, 30, 31
+};
+
+static  int
+get_eth_dcb_conf(struct rte_eth_conf *eth_conf,
+		 enum dcb_mode_enable dcb_mode,
+		 enum rte_eth_nb_tcs num_tcs,
+		 uint8_t pfc_en)
+{
+	uint8_t i;
+
+	/*
+	 * Builds up the correct configuration for dcb+vt based on the vlan tags array
+	 * given above, and the number of traffic classes available for use.
+	 */
+	if (dcb_mode == DCB_VT_ENABLED) {
+		struct rte_eth_vmdq_dcb_conf *vmdq_rx_conf =
+				&eth_conf->rx_adv_conf.vmdq_dcb_conf;
+		struct rte_eth_vmdq_dcb_tx_conf *vmdq_tx_conf =
+				&eth_conf->tx_adv_conf.vmdq_dcb_tx_conf;
+
+		/* VMDQ+DCB RX and TX configrations */
+		vmdq_rx_conf->enable_default_pool = 0;
+		vmdq_rx_conf->default_pool = 0;
+		vmdq_rx_conf->nb_queue_pools =
+			(num_tcs ==  ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS);
+		vmdq_tx_conf->nb_queue_pools =
+			(num_tcs ==  ETH_4_TCS ? ETH_32_POOLS : ETH_16_POOLS);
+
+		vmdq_rx_conf->nb_pool_maps = vmdq_rx_conf->nb_queue_pools;
+		for (i = 0; i < vmdq_rx_conf->nb_pool_maps; i++) {
+			vmdq_rx_conf->pool_map[i].vlan_id = vlan_tags[i];
+			vmdq_rx_conf->pool_map[i].pools =
+				1 << (i % vmdq_rx_conf->nb_queue_pools);
+		}
+		for (i = 0; i < ETH_DCB_NUM_USER_PRIORITIES; i++) {
+			vmdq_rx_conf->dcb_tc[i] = i;
+			vmdq_tx_conf->dcb_tc[i] = i;
+		}
+
+		/* set DCB mode of RX and TX of multiple queues */
+		eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB;
+		eth_conf->txmode.mq_mode = ETH_MQ_TX_VMDQ_DCB;
+	} else {
+		struct rte_eth_dcb_rx_conf *rx_conf =
+				&eth_conf->rx_adv_conf.dcb_rx_conf;
+		struct rte_eth_dcb_tx_conf *tx_conf =
+				&eth_conf->tx_adv_conf.dcb_tx_conf;
+
+		rx_conf->nb_tcs = num_tcs;
+		tx_conf->nb_tcs = num_tcs;
+
+		for (i = 0; i < num_tcs; i++) {
+			rx_conf->dcb_tc[i] = i;
+			tx_conf->dcb_tc[i] = i;
+		}
+		eth_conf->rxmode.mq_mode = ETH_MQ_RX_DCB_RSS;
+		eth_conf->rx_adv_conf.rss_conf.rss_hf = rss_hf;
+		eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB;
+	}
+
+	if (pfc_en)
+		eth_conf->dcb_capability_en =
+				ETH_DCB_PG_SUPPORT | ETH_DCB_PFC_SUPPORT;
+	else
+		eth_conf->dcb_capability_en = ETH_DCB_PG_SUPPORT;
+
+	return 0;
+}
+
+int
+init_port_dcb_config(portid_t pid,
+		     enum dcb_mode_enable dcb_mode,
+		     enum rte_eth_nb_tcs num_tcs,
+		     uint8_t pfc_en)
+{
+	struct rte_eth_conf port_conf;
+	struct rte_eth_dev_info dev_info;
+	struct rte_port *rte_port;
+	int retval;
+	uint16_t i;
+
+	rte_eth_dev_info_get(pid, &dev_info);
+
+	/* If dev_info.vmdq_pool_base is greater than 0,
+	 * the queue id of vmdq pools is started after pf queues.
+	 */
+	if (dcb_mode == DCB_VT_ENABLED && dev_info.vmdq_pool_base > 0) {
+		printf("VMDQ_DCB multi-queue mode is nonsensical"
+			" for port %d.", pid);
+		return -1;
+	}
+
+	/* Assume the ports in testpmd have the same dcb capability
+	 * and has the same number of rxq and txq in dcb mode
+	 */
+	if (dcb_mode == DCB_VT_ENABLED) {
+		nb_rxq = dev_info.max_rx_queues;
+		nb_txq = dev_info.max_tx_queues;
+	} else {
+		/*if vt is disabled, use all pf queues */
+		if (dev_info.vmdq_pool_base == 0) {
+			nb_rxq = dev_info.max_rx_queues;
+			nb_txq = dev_info.max_tx_queues;
+		} else {
+			nb_rxq = (queueid_t)num_tcs;
+			nb_txq = (queueid_t)num_tcs;
+
+		}
+	}
+	rx_free_thresh = 64;
+
+	memset(&port_conf, 0, sizeof(struct rte_eth_conf));
+	/* Enter DCB configuration status */
+	dcb_config = 1;
+
+	/*set configuration of DCB in vt mode and DCB in non-vt mode*/
+	retval = get_eth_dcb_conf(&port_conf, dcb_mode, num_tcs, pfc_en);
+	if (retval < 0)
+		return retval;
+
+	rte_port = &ports[pid];
+	memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf));
+
+	rxtx_port_config(rte_port);
+	/* VLAN filter */
+	rte_port->dev_conf.rxmode.hw_vlan_filter = 1;
+	for (i = 0; i < RTE_DIM(vlan_tags); i++)
+		rx_vft_set(pid, vlan_tags[i], 1);
+
+	rte_eth_macaddr_get(pid, &rte_port->eth_addr);
+	map_port_queue_stats_mapping_registers(pid, rte_port);
+
+	rte_port->dcb_flag = 1;
+
+	return 0;
+}
+
+static void
+init_port(void)
+{
+	portid_t pid;
+
+	/* Configuration of Ethernet ports. */
+	ports = rte_zmalloc("testpmd: ports",
+			    sizeof(struct rte_port) * RTE_MAX_ETHPORTS,
+			    RTE_CACHE_LINE_SIZE);
+	if (ports == NULL) {
+		rte_exit(EXIT_FAILURE,
+				"rte_zmalloc(%d struct rte_port) failed\n",
+				RTE_MAX_ETHPORTS);
+	}
+
+	/* enabled allocated ports */
+	for (pid = 0; pid < nb_ports; pid++)
+		ports[pid].enabled = 1;
+}
+
+static void
+force_quit(void)
+{
+	pmd_test_exit();
+	prompt_exit();
+}
+
+static void
+signal_handler(int signum)
+{
+	if (signum == SIGINT || signum == SIGTERM) {
+		printf("\nSignal %d received, preparing to exit...\n",
+				signum);
+		force_quit();
+		/* exit with the expected status */
+		signal(signum, SIG_DFL);
+		kill(getpid(), signum);
+	}
+}
+
+int
+main(int argc, char** argv)
+{
+	int  diag;
+	uint8_t port_id;
+
+	signal(SIGINT, signal_handler);
+	signal(SIGTERM, signal_handler);
+
+	diag = rte_eal_init(argc, argv);
+	if (diag < 0)
+		rte_panic("Cannot init EAL\n");
+
+	nb_ports = (portid_t) rte_eth_dev_count();
+	if (nb_ports == 0)
+		RTE_LOG(WARNING, EAL, "No probed ethernet devices\n");
+
+	/* allocate port structures, and init them */
+	init_port();
+
+	set_def_fwd_config();
+	if (nb_lcores == 0)
+		rte_panic("Empty set of forwarding logical cores - check the "
+			  "core mask supplied in the command parameters\n");
+
+	argc -= diag;
+	argv += diag;
+	if (argc > 1)
+		launch_args_parse(argc, argv);
+
+	if (!nb_rxq && !nb_txq)
+		printf("Warning: Either rx or tx queues should be non-zero\n");
+
+	if (nb_rxq > 1 && nb_rxq > nb_txq)
+		printf("Warning: nb_rxq=%d enables RSS configuration, "
+		       "but nb_txq=%d will prevent to fully test it.\n",
+		       nb_rxq, nb_txq);
+
+	init_config();
+	if (start_port(RTE_PORT_ALL) != 0)
+		rte_exit(EXIT_FAILURE, "Start ports failed\n");
+
+	/* set all ports to promiscuous mode by default */
+	FOREACH_PORT(port_id, ports)
+		rte_eth_promiscuous_enable(port_id);
+
+#ifdef RTE_LIBRTE_CMDLINE
+	if (interactive == 1) {
+		if (auto_start) {
+			printf("Start automatic packet forwarding\n");
+			start_packet_forwarding(0);
+		}
+		prompt();
+	} else
+#endif
+	{
+		char c;
+		int rc;
+
+		printf("No commandline core given, start packet forwarding\n");
+		start_packet_forwarding(0);
+		printf("Press enter to exit\n");
+		rc = read(0, &c, 1);
+		pmd_test_exit();
+		if (rc < 0)
+			return 1;
+	}
+
+	return 0;
+}