app/testpmd: force shared Rx queue polled on same core
[dpdk.git] / app / test-pmd / testpmd.c
index f72560c..d76d298 100644 (file)
@@ -9,7 +9,9 @@
 #include <string.h>
 #include <time.h>
 #include <fcntl.h>
+#ifndef RTE_EXEC_ENV_WINDOWS
 #include <sys/mman.h>
+#endif
 #include <sys/types.h>
 #include <errno.h>
 #include <stdbool.h>
 #include <rte_ethdev.h>
 #include <rte_dev.h>
 #include <rte_string_fns.h>
-#ifdef RTE_LIBRTE_IXGBE_PMD
+#ifdef RTE_NET_IXGBE
 #include <rte_pmd_ixgbe.h>
 #endif
-#ifdef RTE_LIBRTE_PDUMP
+#ifdef RTE_LIB_PDUMP
 #include <rte_pdump.h>
 #endif
 #include <rte_flow.h>
 #include <rte_metrics.h>
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
 #include <rte_bitrate.h>
 #endif
-#ifdef RTE_LIBRTE_LATENCY_STATS
+#ifdef RTE_LIB_LATENCYSTATS
 #include <rte_latencystats.h>
 #endif
+#ifdef RTE_EXEC_ENV_WINDOWS
+#include <process.h>
+#endif
 
 #include "testpmd.h"
 
+#ifndef MAP_HUGETLB
+/* FreeBSD may not have MAP_HUGETLB (in fact, it probably doesn't) */
+#define HUGE_FLAG (0x40000)
+#else
+#define HUGE_FLAG MAP_HUGETLB
+#endif
+
+#ifndef MAP_HUGE_SHIFT
+/* older kernels (or FreeBSD) will not have this define */
+#define HUGE_SHIFT (26)
+#else
+#define HUGE_SHIFT MAP_HUGE_SHIFT
+#endif
+
+#define EXTMEM_HEAP_NAME "extmem"
+#define EXTBUF_ZONE_SIZE RTE_PGSIZE_2M
+
 uint16_t verbose_level = 0; /**< Silent by default. */
 int testpmd_logtype; /**< Log type for testpmd logs */
 
-/* use master core for command line ? */
+/* use main core for command line ? */
 uint8_t interactive = 0;
 uint8_t auto_start = 0;
 uint8_t tx_first;
@@ -88,9 +110,13 @@ uint8_t numa_support = 1; /**< numa enabled by default */
 uint8_t socket_num = UMA_NO_CONFIG;
 
 /*
- * Use ANONYMOUS mapped memory (might be not physically continuous) for mbufs.
+ * Select mempool allocation type:
+ * - native: use regular DPDK memory
+ * - anon: use regular DPDK memory to create mempool, but populate using
+ *         anonymous memory (may not be IOVA-contiguous)
+ * - xmem: use externally allocated hugepage memory
  */
-uint8_t mp_anon = 0;
+uint8_t mp_alloc_type = MP_ALLOC_NATIVE;
 
 /*
  * Store specified sockets on which memory pool to be used by ports
@@ -116,7 +142,7 @@ uint8_t txring_numa[RTE_MAX_ETHPORTS];
  * Must be instantiated with the ethernet addresses of peer traffic generator
  * ports.
  */
-struct ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
+struct rte_ether_addr peer_eth_addrs[RTE_MAX_ETHPORTS];
 portid_t nb_peer_eth_addrs = 0;
 
 /*
@@ -127,6 +153,8 @@ 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. */
 
+portid_t ports_ids[RTE_MAX_ETHPORTS]; /**< Store all port ids. */
+
 /*
  * Test Forwarding Configuration.
  *    nb_fwd_lcores <= nb_cfg_lcores <= nb_lcores
@@ -155,33 +183,56 @@ struct fwd_engine * fwd_engines[] = {
        &tx_only_engine,
        &csum_fwd_engine,
        &icmp_echo_engine,
-#if defined RTE_LIBRTE_PMD_SOFTNIC && defined RTE_LIBRTE_SCHED
-       &softnic_tm_engine,
-       &softnic_tm_bypass_engine,
-#endif
+       &noisy_vnf_engine,
+       &five_tuple_swap_fwd_engine,
 #ifdef RTE_LIBRTE_IEEE1588
        &ieee1588_fwd_engine,
 #endif
        NULL,
 };
 
+struct rte_mempool *mempools[RTE_MAX_NUMA_NODES * MAX_SEGS_BUFFER_SPLIT];
+uint16_t mempool_flags;
+
 struct fwd_config cur_fwd_config;
 struct fwd_engine *cur_fwd_eng = &io_fwd_engine; /**< IO mode by default. */
 uint32_t retry_enabled;
 uint32_t burst_tx_delay_time = BURST_TX_WAIT_US;
 uint32_t burst_tx_retry_num = BURST_TX_RETRIES;
 
-uint16_t mbuf_data_size = DEFAULT_MBUF_DATA_SIZE; /**< Mbuf data space size. */
+uint32_t mbuf_data_size_n = 1; /* Number of specified mbuf sizes. */
+uint16_t mbuf_data_size[MAX_SEGS_BUFFER_SPLIT] = {
+       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. */
 uint16_t stats_period; /**< Period to show statistics (disabled by default) */
 
+/** Extended statistics to show. */
+struct rte_eth_xstat_name *xstats_display;
+
+unsigned int xstats_display_num; /**< Size of extended statistics to show */
+
 /*
  * In container, it cannot terminate the process which running with 'stats-period'
  * option. Set flag to exit stats period loop after received SIGINT/SIGTERM.
  */
 uint8_t f_quit;
 
+/*
+ * Max Rx frame size, set by '--max-pkt-len' parameter.
+ */
+uint32_t max_rx_pkt_len;
+
+/*
+ * Configuration of packet segments used to scatter received packets
+ * if some of split features is configured.
+ */
+uint16_t rx_pkt_seg_lengths[MAX_SEGS_BUFFER_SPLIT];
+uint8_t  rx_pkt_nb_segs; /**< Number of segments to split */
+uint16_t rx_pkt_seg_offsets[MAX_SEGS_BUFFER_SPLIT];
+uint8_t  rx_pkt_nb_offs; /**< Number of specified offsets */
+
 /*
  * Configuration of packet segments used by the "txonly" processing engine.
  */
@@ -194,18 +245,27 @@ 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. */
 
+uint8_t txonly_multi_flow;
+/**< Whether multiple flows are generated in TXONLY mode. */
+
+uint32_t tx_pkt_times_inter;
+/**< Timings for send scheduling in TXONLY mode, time between bursts. */
+
+uint32_t tx_pkt_times_intra;
+/**< Timings for send scheduling in TXONLY mode, time between packets. */
+
 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */
+uint16_t nb_pkt_flowgen_clones; /**< Number of Tx packet clones to send in flowgen mode. */
+int nb_flows_flowgen = 1024; /**< Number of flows in flowgen mode. */
 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_hairpinq; /**< Number of hairpin queues per port. */
 queueid_t nb_rxq = 1; /**< Number of RX queues per port. */
 queueid_t nb_txq = 1; /**< Number of TX queues per port. */
 
@@ -251,6 +311,40 @@ int16_t tx_free_thresh = RTE_PMD_PARAM_UNSET;
  */
 int16_t tx_rs_thresh = RTE_PMD_PARAM_UNSET;
 
+/*
+ * Configurable value of buffered packets before sending.
+ */
+uint16_t noisy_tx_sw_bufsz;
+
+/*
+ * Configurable value of packet buffer timeout.
+ */
+uint16_t noisy_tx_sw_buf_flush_time;
+
+/*
+ * Configurable value for size of VNF internal memory area
+ * used for simulating noisy neighbour behaviour
+ */
+uint64_t noisy_lkup_mem_sz;
+
+/*
+ * Configurable value of number of random writes done in
+ * VNF simulation memory area.
+ */
+uint64_t noisy_lkup_num_writes;
+
+/*
+ * Configurable value of number of random reads done in
+ * VNF simulation memory area.
+ */
+uint64_t noisy_lkup_num_reads;
+
+/*
+ * Configurable value of number of random reads/writes done in
+ * VNF simulation memory area.
+ */
+uint64_t noisy_lkup_num_reads_writes;
+
 /*
  * Receive Side Scaling (RSS) configuration.
  */
@@ -276,6 +370,11 @@ uint8_t flow_isolate_all;
  */
 uint8_t no_link_check = 0; /* check by default */
 
+/*
+ * Don't automatically start all ports in interactive mode.
+ */
+uint8_t no_device_start = 0;
+
 /*
  * Enable link status change notification
  */
@@ -288,6 +387,31 @@ uint8_t rmv_interrupt = 1; /* enabled by default */
 
 uint8_t hot_plug = 0; /**< hotplug disabled by default. */
 
+/* After attach, port setup is called on event or by iterator */
+bool setup_on_probe_event = true;
+
+/* Clear ptypes on port initialization. */
+uint8_t clear_ptypes = true;
+
+/* Hairpin ports configuration mode. */
+uint16_t hairpin_mode;
+
+/* Pretty printing of ethdev events */
+static const char * const eth_event_desc[] = {
+       [RTE_ETH_EVENT_UNKNOWN] = "unknown",
+       [RTE_ETH_EVENT_INTR_LSC] = "link state change",
+       [RTE_ETH_EVENT_QUEUE_STATE] = "queue state",
+       [RTE_ETH_EVENT_INTR_RESET] = "reset",
+       [RTE_ETH_EVENT_VF_MBOX] = "VF mbox",
+       [RTE_ETH_EVENT_IPSEC] = "IPsec",
+       [RTE_ETH_EVENT_MACSEC] = "MACsec",
+       [RTE_ETH_EVENT_INTR_RMV] = "device removal",
+       [RTE_ETH_EVENT_NEW] = "device probed",
+       [RTE_ETH_EVENT_DESTROY] = "device released",
+       [RTE_ETH_EVENT_FLOW_AGED] = "flow aged",
+       [RTE_ETH_EVENT_MAX] = NULL,
+};
+
 /*
  * Display or mask ether events
  * Default to all events except VF_MBOX
@@ -298,7 +422,8 @@ uint32_t event_print_mask = (UINT32_C(1) << RTE_ETH_EVENT_UNKNOWN) |
                            (UINT32_C(1) << RTE_ETH_EVENT_INTR_RESET) |
                            (UINT32_C(1) << RTE_ETH_EVENT_IPSEC) |
                            (UINT32_C(1) << RTE_ETH_EVENT_MACSEC) |
-                           (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV);
+                           (UINT32_C(1) << RTE_ETH_EVENT_INTR_RMV) |
+                           (UINT32_C(1) << RTE_ETH_EVENT_FLOW_AGED);
 /*
  * Decide if all memory are locked for performance.
  */
@@ -308,13 +433,13 @@ int do_mlockall = 0;
  * NIC bypass mode configuration options.
  */
 
-#if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS
+#if defined RTE_NET_IXGBE && defined RTE_LIBRTE_IXGBE_BYPASS
 /* The NIC bypass watchdog timeout. */
 uint32_t bypass_timeout = RTE_PMD_IXGBE_BYPASS_TMT_OFF;
 #endif
 
 
-#ifdef RTE_LIBRTE_LATENCY_STATS
+#ifdef RTE_LIB_LATENCYSTATS
 
 /*
  * Set when latency stats is enabled in the commandline
@@ -331,11 +456,7 @@ lcoreid_t latencystats_lcore_id = -1;
 /*
  * Ethernet device configuration.
  */
-struct rte_eth_rxmode rx_mode = {
-       .max_rx_pkt_len = ETHER_MAX_LEN, /**< Default maximum frame length. */
-       .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
-       .ignore_offload_bitfield = 1,
-};
+struct rte_eth_rxmode rx_mode;
 
 struct rte_eth_txmode tx_mode = {
        .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
@@ -346,7 +467,7 @@ struct rte_fdir_conf fdir_conf = {
        .pballoc = RTE_FDIR_PBALLOC_64K,
        .status = RTE_FDIR_REPORT_STATUS,
        .mask = {
-               .vlan_tci_mask = 0x0,
+               .vlan_tci_mask = 0xFFEF,
                .ipv4_mask     = {
                        .src_ip = 0xFFFFFFFF,
                        .dst_ip = 0xFFFFFFFF,
@@ -366,24 +487,30 @@ struct rte_fdir_conf fdir_conf = {
 
 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];
+/*
+ * Display zero values by default for xstats
+ */
+uint8_t xstats_hide_zero;
 
-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;
+/*
+ * Measure of CPU cycles disabled by default
+ */
+uint8_t record_core_cycles;
 
-uint16_t nb_tx_queue_stats_mappings = 0;
-uint16_t nb_rx_queue_stats_mappings = 0;
+/*
+ * Display of RX and TX bursts disabled by default
+ */
+uint8_t record_burst_stats;
 
 /*
- * Display zero values by default for xstats
+ * Number of ports per shared Rx queue group, 0 disable.
  */
-uint8_t xstats_hide_zero;
+uint32_t rxq_share;
 
 unsigned int num_sockets = 0;
 unsigned int socket_ids[RTE_MAX_NUMA_NODES];
 
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
 /* Bitrate statistics */
 struct rte_stats_bitrates *bitrate_data;
 lcoreid_t bitrate_lcore_id;
@@ -393,19 +520,136 @@ uint8_t bitrate_enabled;
 struct gro_status gro_ports[RTE_MAX_ETHPORTS];
 uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES;
 
+/*
+ * hexadecimal bitmask of RX mq mode can be enabled.
+ */
+enum rte_eth_rx_mq_mode rx_mq_mode = ETH_MQ_RX_VMDQ_DCB_RSS;
+
+/*
+ * Used to set forced link speed
+ */
+uint32_t eth_link_speed;
+
+/*
+ * ID of the current process in multi-process, used to
+ * configure the queues to be polled.
+ */
+int proc_id;
+
+/*
+ * Number of processes in multi-process, used to
+ * configure the queues to be polled.
+ */
+unsigned int num_procs = 1;
+
+static void
+eth_rx_metadata_negotiate_mp(uint16_t port_id)
+{
+       uint64_t rx_meta_features = 0;
+       int ret;
+
+       if (!is_proc_primary())
+               return;
+
+       rx_meta_features |= RTE_ETH_RX_METADATA_USER_FLAG;
+       rx_meta_features |= RTE_ETH_RX_METADATA_USER_MARK;
+       rx_meta_features |= RTE_ETH_RX_METADATA_TUNNEL_ID;
+
+       ret = rte_eth_rx_metadata_negotiate(port_id, &rx_meta_features);
+       if (ret == 0) {
+               if (!(rx_meta_features & RTE_ETH_RX_METADATA_USER_FLAG)) {
+                       TESTPMD_LOG(DEBUG, "Flow action FLAG will not affect Rx mbufs on port %u\n",
+                                   port_id);
+               }
+
+               if (!(rx_meta_features & RTE_ETH_RX_METADATA_USER_MARK)) {
+                       TESTPMD_LOG(DEBUG, "Flow action MARK will not affect Rx mbufs on port %u\n",
+                                   port_id);
+               }
+
+               if (!(rx_meta_features & RTE_ETH_RX_METADATA_TUNNEL_ID)) {
+                       TESTPMD_LOG(DEBUG, "Flow tunnel offload support might be limited or unavailable on port %u\n",
+                                   port_id);
+               }
+       } else if (ret != -ENOTSUP) {
+               rte_exit(EXIT_FAILURE, "Error when negotiating Rx meta features on port %u: %s\n",
+                        port_id, rte_strerror(-ret));
+       }
+}
+
+static void
+flow_pick_transfer_proxy_mp(uint16_t port_id)
+{
+       struct rte_port *port = &ports[port_id];
+       int ret;
+
+       port->flow_transfer_proxy = port_id;
+
+       if (!is_proc_primary())
+               return;
+
+       ret = rte_flow_pick_transfer_proxy(port_id, &port->flow_transfer_proxy,
+                                          NULL);
+       if (ret != 0) {
+               fprintf(stderr, "Error picking flow transfer proxy for port %u: %s - ignore\n",
+                       port_id, rte_strerror(-ret));
+       }
+}
+
+static int
+eth_dev_configure_mp(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q,
+                     const struct rte_eth_conf *dev_conf)
+{
+       if (is_proc_primary())
+               return rte_eth_dev_configure(port_id, nb_rx_q, nb_tx_q,
+                                       dev_conf);
+       return 0;
+}
+
+static int
+eth_dev_start_mp(uint16_t port_id)
+{
+       if (is_proc_primary())
+               return rte_eth_dev_start(port_id);
+
+       return 0;
+}
+
+static int
+eth_dev_stop_mp(uint16_t port_id)
+{
+       if (is_proc_primary())
+               return rte_eth_dev_stop(port_id);
+
+       return 0;
+}
+
+static void
+mempool_free_mp(struct rte_mempool *mp)
+{
+       if (is_proc_primary())
+               rte_mempool_free(mp);
+}
+
+static int
+eth_dev_set_mtu_mp(uint16_t port_id, uint16_t mtu)
+{
+       if (is_proc_primary())
+               return rte_eth_dev_set_mtu(port_id, mtu);
+
+       return 0;
+}
+
 /* Forward function declarations */
-static void map_port_queue_stats_mapping_registers(portid_t pi,
-                                                  struct rte_port *port);
+static void setup_attached_port(portid_t pi);
 static void check_all_ports_link_status(uint32_t port_mask);
 static int eth_event_callback(portid_t port_id,
                              enum rte_eth_event_type type,
                              void *param, void *ret_param);
-static void eth_dev_event_callback(char *device_name,
+static void dev_event_callback(const char *device_name,
                                enum rte_dev_event_type type,
                                void *param);
-static int eth_dev_event_callback_register(void);
-static int eth_dev_event_callback_unregister(void);
-
+static void fill_xstats_display_info(void);
 
 /*
  * Check if all the ports are started.
@@ -414,7 +658,11 @@ static int eth_dev_event_callback_unregister(void);
 static int all_ports_started(void);
 
 struct gso_status gso_ports[RTE_MAX_ETHPORTS];
-uint16_t gso_max_segment_size = ETHER_MAX_LEN - ETHER_CRC_LEN;
+uint16_t gso_max_segment_size = RTE_ETHER_MAX_LEN - RTE_ETHER_CRC_LEN;
+
+/* Holds the registered mbuf dynamic flags names. */
+char dynf_names[64][RTE_MBUF_DYN_NAMESIZE];
+
 
 /*
  * Helper function to check if socket is already discovered.
@@ -444,6 +692,8 @@ set_default_fwd_lcores_config(void)
 
        nb_lc = 0;
        for (i = 0; i < RTE_MAX_LCORE; i++) {
+               if (!rte_lcore_is_enabled(i))
+                       continue;
                sock_num = rte_lcore_to_socket_id(i);
                if (new_socket_id(sock_num)) {
                        if (num_sockets >= RTE_MAX_NUMA_NODES) {
@@ -453,9 +703,7 @@ set_default_fwd_lcores_config(void)
                        }
                        socket_ids[num_sockets++] = sock_num;
                }
-               if (!rte_lcore_is_enabled(i))
-                       continue;
-               if (i == rte_get_master_lcore())
+               if (i == rte_get_main_lcore())
                        continue;
                fwd_lcores_cpuids[nb_lc++] = i;
        }
@@ -470,7 +718,7 @@ 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[0] = RTE_ETHER_LOCAL_ADMIN_ADDR;
                peer_eth_addrs[i].addr_bytes[5] = i;
        }
 }
@@ -481,9 +729,21 @@ set_default_fwd_ports_config(void)
        portid_t pt_id;
        int i = 0;
 
-       RTE_ETH_FOREACH_DEV(pt_id)
+       RTE_ETH_FOREACH_DEV(pt_id) {
                fwd_ports_ids[i++] = pt_id;
 
+               /* Update sockets info according to the attached device */
+               int socket_id = rte_eth_dev_socket_id(pt_id);
+               if (socket_id >= 0 && new_socket_id(socket_id)) {
+                       if (num_sockets >= RTE_MAX_NUMA_NODES) {
+                               rte_exit(EXIT_FAILURE,
+                                        "Total sockets greater than %u\n",
+                                        RTE_MAX_NUMA_NODES);
+                       }
+                       socket_ids[num_sockets++] = socket_id;
+               }
+       }
+
        nb_cfg_ports = nb_ports;
        nb_fwd_ports = nb_ports;
 }
@@ -496,144 +756,562 @@ set_def_fwd_config(void)
        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)
+#ifndef RTE_EXEC_ENV_WINDOWS
+/* extremely pessimistic estimation of memory required to create a mempool */
+static int
+calc_mem_size(uint32_t nb_mbufs, uint32_t mbuf_sz, size_t pgsz, size_t *out)
 {
-       char pool_name[RTE_MEMPOOL_NAMESIZE];
-       struct rte_mempool *rte_mp = NULL;
-       uint32_t mb_size;
+       unsigned int n_pages, mbuf_per_pg, leftover;
+       uint64_t total_mem, mbuf_mem, obj_sz;
 
-       mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
-       mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name));
+       /* there is no good way to predict how much space the mempool will
+        * occupy because it will allocate chunks on the fly, and some of those
+        * will come from default DPDK memory while some will come from our
+        * external memory, so just assume 128MB will be enough for everyone.
+        */
+       uint64_t hdr_mem = 128 << 20;
 
-       TESTPMD_LOG(INFO,
-               "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
-               pool_name, nb_mbuf, mbuf_seg_size, socket_id);
+       /* account for possible non-contiguousness */
+       obj_sz = rte_mempool_calc_obj_size(mbuf_sz, 0, NULL);
+       if (obj_sz > pgsz) {
+               TESTPMD_LOG(ERR, "Object size is bigger than page size\n");
+               return -1;
+       }
 
-       if (mp_anon != 0) {
-               rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
-                       mb_size, (unsigned) mb_mempool_cache,
-                       sizeof(struct rte_pktmbuf_pool_private),
-                       socket_id, 0);
-               if (rte_mp == NULL)
-                       goto err;
+       mbuf_per_pg = pgsz / obj_sz;
+       leftover = (nb_mbufs % mbuf_per_pg) > 0;
+       n_pages = (nb_mbufs / mbuf_per_pg) + leftover;
 
-               if (rte_mempool_populate_anon(rte_mp) == 0) {
-                       rte_mempool_free(rte_mp);
-                       rte_mp = NULL;
-                       goto err;
-               }
-               rte_pktmbuf_pool_init(rte_mp, NULL);
-               rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
-       } else {
-               /* wrapper to rte_mempool_create() */
-               TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
-                               rte_mbuf_best_mempool_ops());
-               rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
-                       mb_mempool_cache, 0, mbuf_seg_size, socket_id);
-       }
+       mbuf_mem = n_pages * pgsz;
 
-err:
-       if (rte_mp == NULL) {
-               rte_exit(EXIT_FAILURE,
-                       "Creation of mbuf pool for socket %u failed: %s\n",
-                       socket_id, rte_strerror(rte_errno));
-       } else if (verbose_level > 0) {
-               rte_mempool_dump(stdout, rte_mp);
+       total_mem = RTE_ALIGN(hdr_mem + mbuf_mem, pgsz);
+
+       if (total_mem > SIZE_MAX) {
+               TESTPMD_LOG(ERR, "Memory size too big\n");
+               return -1;
        }
+       *out = (size_t)total_mem;
+
+       return 0;
 }
 
-/*
- * 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)
+pagesz_flags(uint64_t page_sz)
 {
-       static int warning_once = 0;
+       /* as per mmap() manpage, all page sizes are log2 of page size
+        * shifted by MAP_HUGE_SHIFT
+        */
+       int log2 = rte_log2_u64(page_sz);
 
-       if (new_socket_id(socket_id)) {
-               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;
+       return (log2 << HUGE_SHIFT);
 }
 
-/*
- * Get the allowed maximum number of RX queues.
- * *pid return the port id which has minimal value of
- * max_rx_queues in all ports.
- */
-queueid_t
-get_allowed_max_nb_rxq(portid_t *pid)
+static void *
+alloc_mem(size_t memsz, size_t pgsz, bool huge)
 {
-       queueid_t allowed_max_rxq = MAX_QUEUE_ID;
-       portid_t pi;
-       struct rte_eth_dev_info dev_info;
+       void *addr;
+       int flags;
 
-       RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
-               if (dev_info.max_rx_queues < allowed_max_rxq) {
-                       allowed_max_rxq = dev_info.max_rx_queues;
-                       *pid = pi;
-               }
-       }
-       return allowed_max_rxq;
+       /* allocate anonymous hugepages */
+       flags = MAP_ANONYMOUS | MAP_PRIVATE;
+       if (huge)
+               flags |= HUGE_FLAG | pagesz_flags(pgsz);
+
+       addr = mmap(NULL, memsz, PROT_READ | PROT_WRITE, flags, -1, 0);
+       if (addr == MAP_FAILED)
+               return NULL;
+
+       return addr;
 }
 
-/*
- * Check input rxq is valid or not.
- * If input rxq is not greater than any of maximum number
- * of RX queues of all ports, it is valid.
- * if valid, return 0, else return -1
- */
-int
-check_nb_rxq(queueid_t rxq)
+struct extmem_param {
+       void *addr;
+       size_t len;
+       size_t pgsz;
+       rte_iova_t *iova_table;
+       unsigned int iova_table_len;
+};
+
+static int
+create_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, struct extmem_param *param,
+               bool huge)
 {
-       queueid_t allowed_max_rxq;
-       portid_t pid = 0;
+       uint64_t pgsizes[] = {RTE_PGSIZE_2M, RTE_PGSIZE_1G, /* x86_64, ARM */
+                       RTE_PGSIZE_16M, RTE_PGSIZE_16G};    /* POWER */
+       unsigned int cur_page, n_pages, pgsz_idx;
+       size_t mem_sz, cur_pgsz;
+       rte_iova_t *iovas = NULL;
+       void *addr;
+       int ret;
 
-       allowed_max_rxq = get_allowed_max_nb_rxq(&pid);
-       if (rxq > allowed_max_rxq) {
-               printf("Fail: input rxq (%u) can't be greater "
-                      "than max_rx_queues (%u) of port %u\n",
-                      rxq,
-                      allowed_max_rxq,
-                      pid);
-               return -1;
+       for (pgsz_idx = 0; pgsz_idx < RTE_DIM(pgsizes); pgsz_idx++) {
+               /* skip anything that is too big */
+               if (pgsizes[pgsz_idx] > SIZE_MAX)
+                       continue;
+
+               cur_pgsz = pgsizes[pgsz_idx];
+
+               /* if we were told not to allocate hugepages, override */
+               if (!huge)
+                       cur_pgsz = sysconf(_SC_PAGESIZE);
+
+               ret = calc_mem_size(nb_mbufs, mbuf_sz, cur_pgsz, &mem_sz);
+               if (ret < 0) {
+                       TESTPMD_LOG(ERR, "Cannot calculate memory size\n");
+                       return -1;
+               }
+
+               /* allocate our memory */
+               addr = alloc_mem(mem_sz, cur_pgsz, huge);
+
+               /* if we couldn't allocate memory with a specified page size,
+                * that doesn't mean we can't do it with other page sizes, so
+                * try another one.
+                */
+               if (addr == NULL)
+                       continue;
+
+               /* store IOVA addresses for every page in this memory area */
+               n_pages = mem_sz / cur_pgsz;
+
+               iovas = malloc(sizeof(*iovas) * n_pages);
+
+               if (iovas == NULL) {
+                       TESTPMD_LOG(ERR, "Cannot allocate memory for iova addresses\n");
+                       goto fail;
+               }
+               /* lock memory if it's not huge pages */
+               if (!huge)
+                       mlock(addr, mem_sz);
+
+               /* populate IOVA addresses */
+               for (cur_page = 0; cur_page < n_pages; cur_page++) {
+                       rte_iova_t iova;
+                       size_t offset;
+                       void *cur;
+
+                       offset = cur_pgsz * cur_page;
+                       cur = RTE_PTR_ADD(addr, offset);
+
+                       /* touch the page before getting its IOVA */
+                       *(volatile char *)cur = 0;
+
+                       iova = rte_mem_virt2iova(cur);
+
+                       iovas[cur_page] = iova;
+               }
+
+               break;
        }
+       /* if we couldn't allocate anything */
+       if (iovas == NULL)
+               return -1;
+
+       param->addr = addr;
+       param->len = mem_sz;
+       param->pgsz = cur_pgsz;
+       param->iova_table = iovas;
+       param->iova_table_len = n_pages;
+
        return 0;
+fail:
+       if (iovas)
+               free(iovas);
+       if (addr)
+               munmap(addr, mem_sz);
+
+       return -1;
 }
 
-/*
- * Get the allowed maximum number of TX queues.
- * *pid return the port id which has minimal value of
- * max_tx_queues in all ports.
- */
-queueid_t
-get_allowed_max_nb_txq(portid_t *pid)
+static int
+setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge)
 {
-       queueid_t allowed_max_txq = MAX_QUEUE_ID;
-       portid_t pi;
-       struct rte_eth_dev_info dev_info;
+       struct extmem_param param;
+       int socket_id, ret;
+
+       memset(&param, 0, sizeof(param));
+
+       /* check if our heap exists */
+       socket_id = rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME);
+       if (socket_id < 0) {
+               /* create our heap */
+               ret = rte_malloc_heap_create(EXTMEM_HEAP_NAME);
+               if (ret < 0) {
+                       TESTPMD_LOG(ERR, "Cannot create heap\n");
+                       return -1;
+               }
+       }
 
-       RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
+       ret = create_extmem(nb_mbufs, mbuf_sz, &param, huge);
+       if (ret < 0) {
+               TESTPMD_LOG(ERR, "Cannot create memory area\n");
+               return -1;
+       }
+
+       /* we now have a valid memory area, so add it to heap */
+       ret = rte_malloc_heap_memory_add(EXTMEM_HEAP_NAME,
+                       param.addr, param.len, param.iova_table,
+                       param.iova_table_len, param.pgsz);
+
+       /* when using VFIO, memory is automatically mapped for DMA by EAL */
+
+       /* not needed any more */
+       free(param.iova_table);
+
+       if (ret < 0) {
+               TESTPMD_LOG(ERR, "Cannot add memory to heap\n");
+               munmap(param.addr, param.len);
+               return -1;
+       }
+
+       /* success */
+
+       TESTPMD_LOG(DEBUG, "Allocated %zuMB of external memory\n",
+                       param.len >> 20);
+
+       return 0;
+}
+static void
+dma_unmap_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
+            struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused)
+{
+       uint16_t pid = 0;
+       int ret;
+
+       RTE_ETH_FOREACH_DEV(pid) {
+               struct rte_eth_dev_info dev_info;
+
+               ret = eth_dev_info_get_print_err(pid, &dev_info);
+               if (ret != 0) {
+                       TESTPMD_LOG(DEBUG,
+                                   "unable to get device info for port %d on addr 0x%p,"
+                                   "mempool unmapping will not be performed\n",
+                                   pid, memhdr->addr);
+                       continue;
+               }
+
+               ret = rte_dev_dma_unmap(dev_info.device, memhdr->addr, 0, memhdr->len);
+               if (ret) {
+                       TESTPMD_LOG(DEBUG,
+                                   "unable to DMA unmap addr 0x%p "
+                                   "for device %s\n",
+                                   memhdr->addr, dev_info.device->name);
+               }
+       }
+       ret = rte_extmem_unregister(memhdr->addr, memhdr->len);
+       if (ret) {
+               TESTPMD_LOG(DEBUG,
+                           "unable to un-register addr 0x%p\n", memhdr->addr);
+       }
+}
+
+static void
+dma_map_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
+          struct rte_mempool_memhdr *memhdr, unsigned mem_idx __rte_unused)
+{
+       uint16_t pid = 0;
+       size_t page_size = sysconf(_SC_PAGESIZE);
+       int ret;
+
+       ret = rte_extmem_register(memhdr->addr, memhdr->len, NULL, 0,
+                                 page_size);
+       if (ret) {
+               TESTPMD_LOG(DEBUG,
+                           "unable to register addr 0x%p\n", memhdr->addr);
+               return;
+       }
+       RTE_ETH_FOREACH_DEV(pid) {
+               struct rte_eth_dev_info dev_info;
+
+               ret = eth_dev_info_get_print_err(pid, &dev_info);
+               if (ret != 0) {
+                       TESTPMD_LOG(DEBUG,
+                                   "unable to get device info for port %d on addr 0x%p,"
+                                   "mempool mapping will not be performed\n",
+                                   pid, memhdr->addr);
+                       continue;
+               }
+               ret = rte_dev_dma_map(dev_info.device, memhdr->addr, 0, memhdr->len);
+               if (ret) {
+                       TESTPMD_LOG(DEBUG,
+                                   "unable to DMA map addr 0x%p "
+                                   "for device %s\n",
+                                   memhdr->addr, dev_info.device->name);
+               }
+       }
+}
+#endif
+
+static unsigned int
+setup_extbuf(uint32_t nb_mbufs, uint16_t mbuf_sz, unsigned int socket_id,
+           char *pool_name, struct rte_pktmbuf_extmem **ext_mem)
+{
+       struct rte_pktmbuf_extmem *xmem;
+       unsigned int ext_num, zone_num, elt_num;
+       uint16_t elt_size;
+
+       elt_size = RTE_ALIGN_CEIL(mbuf_sz, RTE_CACHE_LINE_SIZE);
+       elt_num = EXTBUF_ZONE_SIZE / elt_size;
+       zone_num = (nb_mbufs + elt_num - 1) / elt_num;
+
+       xmem = malloc(sizeof(struct rte_pktmbuf_extmem) * zone_num);
+       if (xmem == NULL) {
+               TESTPMD_LOG(ERR, "Cannot allocate memory for "
+                                "external buffer descriptors\n");
+               *ext_mem = NULL;
+               return 0;
+       }
+       for (ext_num = 0; ext_num < zone_num; ext_num++) {
+               struct rte_pktmbuf_extmem *xseg = xmem + ext_num;
+               const struct rte_memzone *mz;
+               char mz_name[RTE_MEMZONE_NAMESIZE];
+               int ret;
+
+               ret = snprintf(mz_name, sizeof(mz_name),
+                       RTE_MEMPOOL_MZ_FORMAT "_xb_%u", pool_name, ext_num);
+               if (ret < 0 || ret >= (int)sizeof(mz_name)) {
+                       errno = ENAMETOOLONG;
+                       ext_num = 0;
+                       break;
+               }
+               mz = rte_memzone_reserve_aligned(mz_name, EXTBUF_ZONE_SIZE,
+                                                socket_id,
+                                                RTE_MEMZONE_IOVA_CONTIG |
+                                                RTE_MEMZONE_1GB |
+                                                RTE_MEMZONE_SIZE_HINT_ONLY,
+                                                EXTBUF_ZONE_SIZE);
+               if (mz == NULL) {
+                       /*
+                        * The caller exits on external buffer creation
+                        * error, so there is no need to free memzones.
+                        */
+                       errno = ENOMEM;
+                       ext_num = 0;
+                       break;
+               }
+               xseg->buf_ptr = mz->addr;
+               xseg->buf_iova = mz->iova;
+               xseg->buf_len = EXTBUF_ZONE_SIZE;
+               xseg->elt_size = elt_size;
+       }
+       if (ext_num == 0 && xmem != NULL) {
+               free(xmem);
+               xmem = NULL;
+       }
+       *ext_mem = xmem;
+       return ext_num;
+}
+
+/*
+ * Configuration initialisation done once at init time.
+ */
+static struct rte_mempool *
+mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
+                unsigned int socket_id, uint16_t size_idx)
+{
+       char pool_name[RTE_MEMPOOL_NAMESIZE];
+       struct rte_mempool *rte_mp = NULL;
+#ifndef RTE_EXEC_ENV_WINDOWS
+       uint32_t mb_size;
+
+       mb_size = sizeof(struct rte_mbuf) + mbuf_seg_size;
+#endif
+       mbuf_poolname_build(socket_id, pool_name, sizeof(pool_name), size_idx);
+       if (!is_proc_primary()) {
+               rte_mp = rte_mempool_lookup(pool_name);
+               if (rte_mp == NULL)
+                       rte_exit(EXIT_FAILURE,
+                               "Get mbuf pool for socket %u failed: %s\n",
+                               socket_id, rte_strerror(rte_errno));
+               return rte_mp;
+       }
+
+       TESTPMD_LOG(INFO,
+               "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
+               pool_name, nb_mbuf, mbuf_seg_size, socket_id);
+
+       switch (mp_alloc_type) {
+       case MP_ALLOC_NATIVE:
+               {
+                       /* wrapper to rte_mempool_create() */
+                       TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
+                                       rte_mbuf_best_mempool_ops());
+                       rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
+                               mb_mempool_cache, 0, mbuf_seg_size, socket_id);
+                       break;
+               }
+#ifndef RTE_EXEC_ENV_WINDOWS
+       case MP_ALLOC_ANON:
+               {
+                       rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
+                               mb_size, (unsigned int) mb_mempool_cache,
+                               sizeof(struct rte_pktmbuf_pool_private),
+                               socket_id, mempool_flags);
+                       if (rte_mp == NULL)
+                               goto err;
+
+                       if (rte_mempool_populate_anon(rte_mp) == 0) {
+                               rte_mempool_free(rte_mp);
+                               rte_mp = NULL;
+                               goto err;
+                       }
+                       rte_pktmbuf_pool_init(rte_mp, NULL);
+                       rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
+                       rte_mempool_mem_iter(rte_mp, dma_map_cb, NULL);
+                       break;
+               }
+       case MP_ALLOC_XMEM:
+       case MP_ALLOC_XMEM_HUGE:
+               {
+                       int heap_socket;
+                       bool huge = mp_alloc_type == MP_ALLOC_XMEM_HUGE;
+
+                       if (setup_extmem(nb_mbuf, mbuf_seg_size, huge) < 0)
+                               rte_exit(EXIT_FAILURE, "Could not create external memory\n");
+
+                       heap_socket =
+                               rte_malloc_heap_get_socket(EXTMEM_HEAP_NAME);
+                       if (heap_socket < 0)
+                               rte_exit(EXIT_FAILURE, "Could not get external memory socket ID\n");
+
+                       TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
+                                       rte_mbuf_best_mempool_ops());
+                       rte_mp = rte_pktmbuf_pool_create(pool_name, nb_mbuf,
+                                       mb_mempool_cache, 0, mbuf_seg_size,
+                                       heap_socket);
+                       break;
+               }
+#endif
+       case MP_ALLOC_XBUF:
+               {
+                       struct rte_pktmbuf_extmem *ext_mem;
+                       unsigned int ext_num;
+
+                       ext_num = setup_extbuf(nb_mbuf, mbuf_seg_size,
+                                              socket_id, pool_name, &ext_mem);
+                       if (ext_num == 0)
+                               rte_exit(EXIT_FAILURE,
+                                        "Can't create pinned data buffers\n");
+
+                       TESTPMD_LOG(INFO, "preferred mempool ops selected: %s\n",
+                                       rte_mbuf_best_mempool_ops());
+                       rte_mp = rte_pktmbuf_pool_create_extbuf
+                                       (pool_name, nb_mbuf, mb_mempool_cache,
+                                        0, mbuf_seg_size, socket_id,
+                                        ext_mem, ext_num);
+                       free(ext_mem);
+                       break;
+               }
+       default:
+               {
+                       rte_exit(EXIT_FAILURE, "Invalid mempool creation mode\n");
+               }
+       }
+
+#ifndef RTE_EXEC_ENV_WINDOWS
+err:
+#endif
+       if (rte_mp == NULL) {
+               rte_exit(EXIT_FAILURE,
+                       "Creation of mbuf pool for socket %u failed: %s\n",
+                       socket_id, rte_strerror(rte_errno));
+       } else if (verbose_level > 0) {
+               rte_mempool_dump(stdout, rte_mp);
+       }
+       return 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 (new_socket_id(socket_id)) {
+               if (!warning_once && numa_support)
+                       fprintf(stderr,
+                               "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;
+}
+
+/*
+ * Get the allowed maximum number of RX queues.
+ * *pid return the port id which has minimal value of
+ * max_rx_queues in all ports.
+ */
+queueid_t
+get_allowed_max_nb_rxq(portid_t *pid)
+{
+       queueid_t allowed_max_rxq = RTE_MAX_QUEUES_PER_PORT;
+       bool max_rxq_valid = false;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               max_rxq_valid = true;
+               if (dev_info.max_rx_queues < allowed_max_rxq) {
+                       allowed_max_rxq = dev_info.max_rx_queues;
+                       *pid = pi;
+               }
+       }
+       return max_rxq_valid ? allowed_max_rxq : 0;
+}
+
+/*
+ * Check input rxq is valid or not.
+ * If input rxq is not greater than any of maximum number
+ * of RX queues of all ports, it is valid.
+ * if valid, return 0, else return -1
+ */
+int
+check_nb_rxq(queueid_t rxq)
+{
+       queueid_t allowed_max_rxq;
+       portid_t pid = 0;
+
+       allowed_max_rxq = get_allowed_max_nb_rxq(&pid);
+       if (rxq > allowed_max_rxq) {
+               fprintf(stderr,
+                       "Fail: input rxq (%u) can't be greater than max_rx_queues (%u) of port %u\n",
+                       rxq, allowed_max_rxq, pid);
+               return -1;
+       }
+       return 0;
+}
+
+/*
+ * Get the allowed maximum number of TX queues.
+ * *pid return the port id which has minimal value of
+ * max_tx_queues in all ports.
+ */
+queueid_t
+get_allowed_max_nb_txq(portid_t *pid)
+{
+       queueid_t allowed_max_txq = RTE_MAX_QUEUES_PER_PORT;
+       bool max_txq_valid = false;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               max_txq_valid = true;
                if (dev_info.max_tx_queues < allowed_max_txq) {
                        allowed_max_txq = dev_info.max_tx_queues;
                        *pid = pi;
                }
        }
-       return allowed_max_txq;
+       return max_txq_valid ? allowed_max_txq : 0;
 }
 
 /*
@@ -650,36 +1328,313 @@ check_nb_txq(queueid_t txq)
 
        allowed_max_txq = get_allowed_max_nb_txq(&pid);
        if (txq > allowed_max_txq) {
-               printf("Fail: input txq (%u) can't be greater "
-                      "than max_tx_queues (%u) of port %u\n",
-                      txq,
-                      allowed_max_txq,
-                      pid);
+               fprintf(stderr,
+                       "Fail: input txq (%u) can't be greater than max_tx_queues (%u) of port %u\n",
+                       txq, allowed_max_txq, pid);
+               return -1;
+       }
+       return 0;
+}
+
+/*
+ * Get the allowed maximum number of RXDs of every rx queue.
+ * *pid return the port id which has minimal value of
+ * max_rxd in all queues of all ports.
+ */
+static uint16_t
+get_allowed_max_nb_rxd(portid_t *pid)
+{
+       uint16_t allowed_max_rxd = UINT16_MAX;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               if (dev_info.rx_desc_lim.nb_max < allowed_max_rxd) {
+                       allowed_max_rxd = dev_info.rx_desc_lim.nb_max;
+                       *pid = pi;
+               }
+       }
+       return allowed_max_rxd;
+}
+
+/*
+ * Get the allowed minimal number of RXDs of every rx queue.
+ * *pid return the port id which has minimal value of
+ * min_rxd in all queues of all ports.
+ */
+static uint16_t
+get_allowed_min_nb_rxd(portid_t *pid)
+{
+       uint16_t allowed_min_rxd = 0;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               if (dev_info.rx_desc_lim.nb_min > allowed_min_rxd) {
+                       allowed_min_rxd = dev_info.rx_desc_lim.nb_min;
+                       *pid = pi;
+               }
+       }
+
+       return allowed_min_rxd;
+}
+
+/*
+ * Check input rxd is valid or not.
+ * If input rxd is not greater than any of maximum number
+ * of RXDs of every Rx queues and is not less than any of
+ * minimal number of RXDs of every Rx queues, it is valid.
+ * if valid, return 0, else return -1
+ */
+int
+check_nb_rxd(queueid_t rxd)
+{
+       uint16_t allowed_max_rxd;
+       uint16_t allowed_min_rxd;
+       portid_t pid = 0;
+
+       allowed_max_rxd = get_allowed_max_nb_rxd(&pid);
+       if (rxd > allowed_max_rxd) {
+               fprintf(stderr,
+                       "Fail: input rxd (%u) can't be greater than max_rxds (%u) of port %u\n",
+                       rxd, allowed_max_rxd, pid);
+               return -1;
+       }
+
+       allowed_min_rxd = get_allowed_min_nb_rxd(&pid);
+       if (rxd < allowed_min_rxd) {
+               fprintf(stderr,
+                       "Fail: input rxd (%u) can't be less than min_rxds (%u) of port %u\n",
+                       rxd, allowed_min_rxd, pid);
+               return -1;
+       }
+
+       return 0;
+}
+
+/*
+ * Get the allowed maximum number of TXDs of every rx queues.
+ * *pid return the port id which has minimal value of
+ * max_txd in every tx queue.
+ */
+static uint16_t
+get_allowed_max_nb_txd(portid_t *pid)
+{
+       uint16_t allowed_max_txd = UINT16_MAX;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               if (dev_info.tx_desc_lim.nb_max < allowed_max_txd) {
+                       allowed_max_txd = dev_info.tx_desc_lim.nb_max;
+                       *pid = pi;
+               }
+       }
+       return allowed_max_txd;
+}
+
+/*
+ * Get the allowed maximum number of TXDs of every tx queues.
+ * *pid return the port id which has minimal value of
+ * min_txd in every tx queue.
+ */
+static uint16_t
+get_allowed_min_nb_txd(portid_t *pid)
+{
+       uint16_t allowed_min_txd = 0;
+       portid_t pi;
+       struct rte_eth_dev_info dev_info;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (eth_dev_info_get_print_err(pi, &dev_info) != 0)
+                       continue;
+
+               if (dev_info.tx_desc_lim.nb_min > allowed_min_txd) {
+                       allowed_min_txd = dev_info.tx_desc_lim.nb_min;
+                       *pid = pi;
+               }
+       }
+
+       return allowed_min_txd;
+}
+
+/*
+ * Check input txd is valid or not.
+ * If input txd is not greater than any of maximum number
+ * of TXDs of every Rx queues, it is valid.
+ * if valid, return 0, else return -1
+ */
+int
+check_nb_txd(queueid_t txd)
+{
+       uint16_t allowed_max_txd;
+       uint16_t allowed_min_txd;
+       portid_t pid = 0;
+
+       allowed_max_txd = get_allowed_max_nb_txd(&pid);
+       if (txd > allowed_max_txd) {
+               fprintf(stderr,
+                       "Fail: input txd (%u) can't be greater than max_txds (%u) of port %u\n",
+                       txd, allowed_max_txd, pid);
+               return -1;
+       }
+
+       allowed_min_txd = get_allowed_min_nb_txd(&pid);
+       if (txd < allowed_min_txd) {
+               fprintf(stderr,
+                       "Fail: input txd (%u) can't be less than min_txds (%u) of port %u\n",
+                       txd, allowed_min_txd, pid);
+               return -1;
+       }
+       return 0;
+}
+
+
+/*
+ * Get the allowed maximum number of hairpin queues.
+ * *pid return the port id which has minimal value of
+ * max_hairpin_queues in all ports.
+ */
+queueid_t
+get_allowed_max_nb_hairpinq(portid_t *pid)
+{
+       queueid_t allowed_max_hairpinq = RTE_MAX_QUEUES_PER_PORT;
+       portid_t pi;
+       struct rte_eth_hairpin_cap cap;
+
+       RTE_ETH_FOREACH_DEV(pi) {
+               if (rte_eth_dev_hairpin_capability_get(pi, &cap) != 0) {
+                       *pid = pi;
+                       return 0;
+               }
+               if (cap.max_nb_queues < allowed_max_hairpinq) {
+                       allowed_max_hairpinq = cap.max_nb_queues;
+                       *pid = pi;
+               }
+       }
+       return allowed_max_hairpinq;
+}
+
+/*
+ * Check input hairpin is valid or not.
+ * If input hairpin is not greater than any of maximum number
+ * of hairpin queues of all ports, it is valid.
+ * if valid, return 0, else return -1
+ */
+int
+check_nb_hairpinq(queueid_t hairpinq)
+{
+       queueid_t allowed_max_hairpinq;
+       portid_t pid = 0;
+
+       allowed_max_hairpinq = get_allowed_max_nb_hairpinq(&pid);
+       if (hairpinq > allowed_max_hairpinq) {
+               fprintf(stderr,
+                       "Fail: input hairpin (%u) can't be greater than max_hairpin_queues (%u) of port %u\n",
+                       hairpinq, allowed_max_hairpinq, pid);
                return -1;
        }
        return 0;
 }
 
+static int
+get_eth_overhead(struct rte_eth_dev_info *dev_info)
+{
+       uint32_t eth_overhead;
+
+       if (dev_info->max_mtu != UINT16_MAX &&
+           dev_info->max_rx_pktlen > dev_info->max_mtu)
+               eth_overhead = dev_info->max_rx_pktlen - dev_info->max_mtu;
+       else
+               eth_overhead = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
+
+       return eth_overhead;
+}
+
+static void
+init_config_port_offloads(portid_t pid, uint32_t socket_id)
+{
+       struct rte_port *port = &ports[pid];
+       int ret;
+       int i;
+
+       eth_rx_metadata_negotiate_mp(pid);
+       flow_pick_transfer_proxy_mp(pid);
+
+       port->dev_conf.txmode = tx_mode;
+       port->dev_conf.rxmode = rx_mode;
+
+       ret = eth_dev_info_get_print_err(pid, &port->dev_info);
+       if (ret != 0)
+               rte_exit(EXIT_FAILURE, "rte_eth_dev_info_get() failed\n");
+
+       if (!(port->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
+               port->dev_conf.txmode.offloads &=
+                       ~DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+       /* Apply Rx offloads configuration */
+       for (i = 0; i < port->dev_info.max_rx_queues; i++)
+               port->rx_conf[i].offloads = port->dev_conf.rxmode.offloads;
+       /* Apply Tx offloads configuration */
+       for (i = 0; i < port->dev_info.max_tx_queues; i++)
+               port->tx_conf[i].offloads = port->dev_conf.txmode.offloads;
+
+       if (eth_link_speed)
+               port->dev_conf.link_speeds = eth_link_speed;
+
+       if (max_rx_pkt_len)
+               port->dev_conf.rxmode.mtu = max_rx_pkt_len -
+                       get_eth_overhead(&port->dev_info);
+
+       /* set flag to initialize port/queue */
+       port->need_reconfig = 1;
+       port->need_reconfig_queues = 1;
+       port->socket_id = socket_id;
+       port->tx_metadata = 0;
+
+       /*
+        * Check for maximum number of segments per MTU.
+        * Accordingly update the mbuf data size.
+        */
+       if (port->dev_info.rx_desc_lim.nb_mtu_seg_max != UINT16_MAX &&
+           port->dev_info.rx_desc_lim.nb_mtu_seg_max != 0) {
+               uint32_t eth_overhead = get_eth_overhead(&port->dev_info);
+               uint16_t mtu;
+
+               if (rte_eth_dev_get_mtu(pid, &mtu) == 0) {
+                       uint16_t data_size = (mtu + eth_overhead) /
+                               port->dev_info.rx_desc_lim.nb_mtu_seg_max;
+                       uint16_t buffer_size = data_size + RTE_PKTMBUF_HEADROOM;
+
+                       if (buffer_size > mbuf_data_size[0]) {
+                               mbuf_data_size[0] = buffer_size;
+                               TESTPMD_LOG(WARNING,
+                                       "Configured mbuf size of the first segment %hu\n",
+                                       mbuf_data_size[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];
        struct rte_gro_param gro_param;
        uint32_t gso_types;
 
-       memset(port_per_socket,0,RTE_MAX_NUMA_NODES);
-
-       if (numa_support) {
-               memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
-               memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
-               memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
-       }
-
        /* Configuration of logical cores. */
        fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
                                sizeof(struct fwd_lcore *) * nb_lcores,
@@ -700,33 +1655,27 @@ init_config(void)
        }
 
        RTE_ETH_FOREACH_DEV(pid) {
-               port = &ports[pid];
-               /* Apply default TxRx configuration for all ports */
-               port->dev_conf.txmode = tx_mode;
-               port->dev_conf.rxmode = rx_mode;
-               rte_eth_dev_info_get(pid, &port->dev_info);
-               if (!(port->dev_info.tx_offload_capa &
-                     DEV_TX_OFFLOAD_MBUF_FAST_FREE))
-                       port->dev_conf.txmode.offloads &=
-                               ~DEV_TX_OFFLOAD_MBUF_FAST_FREE;
-               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);
+               uint32_t socket_id;
 
-                               /* if socket_id is invalid, set to 0 */
+               if (numa_support) {
+                       socket_id = port_numa[pid];
+                       if (port_numa[pid] == NUMA_NO_CONFIG) {
+                               socket_id = rte_eth_dev_socket_id(pid);
+
+                               /*
+                                * if socket_id is invalid,
+                                * set to the first available socket.
+                                */
                                if (check_socket_id(socket_id) < 0)
-                                       socket_id = 0;
-                               port_per_socket[socket_id]++;
+                                       socket_id = socket_ids[0];
                        }
+               } else {
+                       socket_id = (socket_num == UMA_NO_CONFIG) ?
+                                   0 : socket_num;
                }
-
-               /* set flag to initialize port/queue */
-               port->need_reconfig = 1;
-               port->need_reconfig_queues = 1;
+               /* Apply default TxRx configuration for all ports */
+               init_config_port_offloads(pid, socket_id);
        }
-
        /*
         * Create pools of mbuf.
         * If NUMA support is disabled, create a single pool of mbuf in
@@ -746,46 +1695,48 @@ init_config(void)
        }
 
        if (numa_support) {
-               uint8_t i;
+               uint8_t i, j;
 
                for (i = 0; i < num_sockets; i++)
-                       mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
-                                        socket_ids[i]);
+                       for (j = 0; j < mbuf_data_size_n; j++)
+                               mempools[i * MAX_SEGS_BUFFER_SPLIT + j] =
+                                       mbuf_pool_create(mbuf_data_size[j],
+                                                         nb_mbuf_per_pool,
+                                                         socket_ids[i], j);
        } else {
-               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);
+               uint8_t i;
+
+               for (i = 0; i < mbuf_data_size_n; i++)
+                       mempools[i] = mbuf_pool_create
+                                       (mbuf_data_size[i],
+                                        nb_mbuf_per_pool,
+                                        socket_num == UMA_NO_CONFIG ?
+                                        0 : socket_num, i);
        }
 
        init_port_config();
 
        gso_types = DEV_TX_OFFLOAD_TCP_TSO | DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
-               DEV_TX_OFFLOAD_GRE_TNL_TSO;
+               DEV_TX_OFFLOAD_GRE_TNL_TSO | DEV_TX_OFFLOAD_UDP_TSO;
        /*
         * 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]));
+                       rte_lcore_to_socket_id(fwd_lcores_cpuids[lc_id]), 0);
 
                if (mbp == NULL)
-                       mbp = mbuf_pool_find(0);
+                       mbp = mbuf_pool_find(0, 0);
                fwd_lcores[lc_id]->mbp = mbp;
                /* initialize GSO context */
                fwd_lcores[lc_id]->gso_ctx.direct_pool = mbp;
                fwd_lcores[lc_id]->gso_ctx.indirect_pool = mbp;
                fwd_lcores[lc_id]->gso_ctx.gso_types = gso_types;
-               fwd_lcores[lc_id]->gso_ctx.gso_size = ETHER_MAX_LEN -
-                       ETHER_CRC_LEN;
+               fwd_lcores[lc_id]->gso_ctx.gso_size = RTE_ETHER_MAX_LEN -
+                       RTE_ETHER_CRC_LEN;
                fwd_lcores[lc_id]->gso_ctx.flag = 0;
        }
 
-       /* Configuration of packet forwarding streams. */
-       if (init_fwd_streams() < 0)
-               rte_exit(EXIT_FAILURE, "FAIL from init_fwd_streams()\n");
-
        fwd_config_setup();
 
        /* create a gro context for each lcore */
@@ -807,17 +1758,8 @@ init_config(void)
 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_config_port_offloads(new_port_id, socket_id);
        init_port_config();
 }
 
@@ -834,15 +1776,15 @@ init_fwd_streams(void)
        RTE_ETH_FOREACH_DEV(pid) {
                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);
+                       fprintf(stderr,
+                               "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);
+                       fprintf(stderr,
+                               "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) {
@@ -851,9 +1793,12 @@ init_fwd_streams(void)
                        else {
                                port->socket_id = rte_eth_dev_socket_id(pid);
 
-                               /* if socket_id is invalid, set to 0 */
+                               /*
+                                * if socket_id is invalid,
+                                * set to the first available socket.
+                                */
                                if (check_socket_id(port->socket_id) < 0)
-                                       port->socket_id = 0;
+                                       port->socket_id = socket_ids[0];
                        }
                }
                else {
@@ -866,7 +1811,8 @@ init_fwd_streams(void)
 
        q = RTE_MAX(nb_rxq, nb_txq);
        if (q == 0) {
-               printf("Fail: Cannot allocate fwd streams as number of queues is 0\n");
+               fprintf(stderr,
+                       "Fail: Cannot allocate fwd streams as number of queues is 0\n");
                return -1;
        }
        nb_fwd_streams_new = (streamid_t)(nb_ports * q);
@@ -908,142 +1854,71 @@ init_fwd_streams(void)
        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];
+       uint64_t total_burst, sburst;
+       uint64_t nb_burst;
+       uint64_t burst_stats[4];
+       uint16_t pktnb_stats[4];
        uint16_t nb_pkt;
-       int burst_percent[3];
+       int burst_percent[4], sburstp;
+       int i;
 
        /*
         * 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++) {
+       memset(&burst_stats, 0x0, sizeof(burst_stats));
+       memset(&pktnb_stats, 0x0, sizeof(pktnb_stats));
+
+       /* Show stats for 0 burst size always */
+       total_burst = pbs->pkt_burst_spread[0];
+       burst_stats[0] = pbs->pkt_burst_spread[0];
+       pktnb_stats[0] = 0;
+
+       /* Find the next 2 burst sizes with highest occurrences. */
+       for (nb_pkt = 1; 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 (nb_burst > burst_stats[1]) {
+                       burst_stats[2] = burst_stats[1];
+                       pktnb_stats[2] = pktnb_stats[1];
+                       burst_stats[1] = nb_burst;
+                       pktnb_stats[1] = nb_pkt;
+               } else if (nb_burst > burst_stats[2]) {
+                       burst_stats[2] = nb_burst;
+                       pktnb_stats[2] = 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("  %s-bursts : %"PRIu64" [", rx_tx, total_burst);
+       for (i = 0, sburst = 0, sburstp = 0; i < 4; i++) {
+               if (i == 3) {
+                       printf("%d%% of other]\n", 100 - sburstp);
+                       return;
                }
 
-               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]);
+               sburst += burst_stats[i];
+               if (sburst == total_burst) {
+                       printf("%d%% of %d pkts]\n",
+                               100 - sburstp, (int) pktnb_stats[i]);
+                       return;
                }
-       }
 
-       printf("  %s--------------------------------%s\n",
-              fwd_stats_border, fwd_stats_border);
+               burst_percent[i] =
+                       (double)burst_stats[i] / total_burst * 100;
+               printf("%d%% of %d pkts + ",
+                       burst_percent[i], (int) pktnb_stats[i]);
+               sburstp += burst_percent[i];
+       }
 }
 
 static void
@@ -1060,19 +1935,200 @@ fwd_stream_stats_display(streamid_t stream_id)
               "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",
+       printf("  RX-packets: %-14"PRIu64" TX-packets: %-14"PRIu64
+              " TX-dropped: %-14"PRIu64,
               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);
+               printf("  RX- bad IP checksum: %-14"PRIu64
+                      "  Rx- bad L4 checksum: %-14"PRIu64
+                      " Rx- bad outer L4 checksum: %-14"PRIu64"\n",
+                       fs->rx_bad_ip_csum, fs->rx_bad_l4_csum,
+                       fs->rx_bad_outer_l4_csum);
+               printf(" RX- bad outer IP checksum: %-14"PRIu64"\n",
+                       fs->rx_bad_outer_ip_csum);
+       } else {
+               printf("\n");
        }
 
-#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
+       if (record_burst_stats) {
+               pkt_burst_stats_display("RX", &fs->rx_burst_stats);
+               pkt_burst_stats_display("TX", &fs->tx_burst_stats);
+       }
+}
+
+void
+fwd_stats_display(void)
+{
+       static const char *fwd_stats_border = "----------------------";
+       static const char *acc_stats_border = "+++++++++++++++";
+       struct {
+               struct fwd_stream *rx_stream;
+               struct fwd_stream *tx_stream;
+               uint64_t tx_dropped;
+               uint64_t rx_bad_ip_csum;
+               uint64_t rx_bad_l4_csum;
+               uint64_t rx_bad_outer_l4_csum;
+               uint64_t rx_bad_outer_ip_csum;
+       } ports_stats[RTE_MAX_ETHPORTS];
+       uint64_t total_rx_dropped = 0;
+       uint64_t total_tx_dropped = 0;
+       uint64_t total_rx_nombuf = 0;
+       struct rte_eth_stats stats;
+       uint64_t fwd_cycles = 0;
+       uint64_t total_recv = 0;
+       uint64_t total_xmit = 0;
+       struct rte_port *port;
+       streamid_t sm_id;
+       portid_t pt_id;
+       int i;
+
+       memset(ports_stats, 0, sizeof(ports_stats));
+
+       for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
+               struct fwd_stream *fs = fwd_streams[sm_id];
+
+               if (cur_fwd_config.nb_fwd_streams >
+                   cur_fwd_config.nb_fwd_ports) {
+                       fwd_stream_stats_display(sm_id);
+               } else {
+                       ports_stats[fs->tx_port].tx_stream = fs;
+                       ports_stats[fs->rx_port].rx_stream = fs;
+               }
+
+               ports_stats[fs->tx_port].tx_dropped += fs->fwd_dropped;
+
+               ports_stats[fs->rx_port].rx_bad_ip_csum += fs->rx_bad_ip_csum;
+               ports_stats[fs->rx_port].rx_bad_l4_csum += fs->rx_bad_l4_csum;
+               ports_stats[fs->rx_port].rx_bad_outer_l4_csum +=
+                               fs->rx_bad_outer_l4_csum;
+               ports_stats[fs->rx_port].rx_bad_outer_ip_csum +=
+                               fs->rx_bad_outer_ip_csum;
+
+               if (record_core_cycles)
+                       fwd_cycles += fs->core_cycles;
+       }
+       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;
+               stats.opackets -= port->stats.opackets;
+               stats.ibytes -= port->stats.ibytes;
+               stats.obytes -= port->stats.obytes;
+               stats.imissed -= port->stats.imissed;
+               stats.oerrors -= port->stats.oerrors;
+               stats.rx_nombuf -= port->stats.rx_nombuf;
+
+               total_recv += stats.ipackets;
+               total_xmit += stats.opackets;
+               total_rx_dropped += stats.imissed;
+               total_tx_dropped += ports_stats[pt_id].tx_dropped;
+               total_tx_dropped += stats.oerrors;
+               total_rx_nombuf  += stats.rx_nombuf;
+
+               printf("\n  %s Forward statistics for port %-2d %s\n",
+                      fwd_stats_border, pt_id, fwd_stats_border);
+
+               printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64
+                      "RX-total: %-"PRIu64"\n", stats.ipackets, stats.imissed,
+                      stats.ipackets + stats.imissed);
+
+               if (cur_fwd_eng == &csum_fwd_engine) {
+                       printf("  Bad-ipcsum: %-14"PRIu64
+                              " Bad-l4csum: %-14"PRIu64
+                              "Bad-outer-l4csum: %-14"PRIu64"\n",
+                              ports_stats[pt_id].rx_bad_ip_csum,
+                              ports_stats[pt_id].rx_bad_l4_csum,
+                              ports_stats[pt_id].rx_bad_outer_l4_csum);
+                       printf("  Bad-outer-ipcsum: %-14"PRIu64"\n",
+                              ports_stats[pt_id].rx_bad_outer_ip_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, ports_stats[pt_id].tx_dropped,
+                      stats.opackets + ports_stats[pt_id].tx_dropped);
+
+               if (record_burst_stats) {
+                       if (ports_stats[pt_id].rx_stream)
+                               pkt_burst_stats_display("RX",
+                                       &ports_stats[pt_id].rx_stream->rx_burst_stats);
+                       if (ports_stats[pt_id].tx_stream)
+                               pkt_burst_stats_display("TX",
+                               &ports_stats[pt_id].tx_stream->tx_burst_stats);
+               }
+
+               printf("  %s--------------------------------%s\n",
+                      fwd_stats_border, fwd_stats_border);
+       }
+
+       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);
+       if (record_core_cycles) {
+#define CYC_PER_MHZ 1E6
+               if (total_recv > 0 || total_xmit > 0) {
+                       uint64_t total_pkts = 0;
+                       if (strcmp(cur_fwd_eng->fwd_mode_name, "txonly") == 0 ||
+                           strcmp(cur_fwd_eng->fwd_mode_name, "flowgen") == 0)
+                               total_pkts = total_xmit;
+                       else
+                               total_pkts = total_recv;
+
+                       printf("\n  CPU cycles/packet=%.2F (total cycles="
+                              "%"PRIu64" / total %s packets=%"PRIu64") at %"PRIu64
+                              " MHz Clock\n",
+                              (double) fwd_cycles / total_pkts,
+                              fwd_cycles, cur_fwd_eng->fwd_mode_name, total_pkts,
+                              (uint64_t)(rte_get_tsc_hz() / CYC_PER_MHZ));
+               }
+       }
+}
+
+void
+fwd_stats_reset(void)
+{
+       streamid_t sm_id;
+       portid_t pt_id;
+       int i;
+
+       for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
+               pt_id = fwd_ports_ids[i];
+               rte_eth_stats_get(pt_id, &ports[pt_id].stats);
+       }
+       for (sm_id = 0; sm_id < cur_fwd_config.nb_fwd_streams; sm_id++) {
+               struct fwd_stream *fs = fwd_streams[sm_id];
+
+               fs->rx_packets = 0;
+               fs->tx_packets = 0;
+               fs->fwd_dropped = 0;
+               fs->rx_bad_ip_csum = 0;
+               fs->rx_bad_l4_csum = 0;
+               fs->rx_bad_outer_l4_csum = 0;
+               fs->rx_bad_outer_ip_csum = 0;
+
+               memset(&fs->rx_burst_stats, 0, sizeof(fs->rx_burst_stats));
+               memset(&fs->tx_burst_stats, 0, sizeof(fs->tx_burst_stats));
+               fs->core_cycles = 0;
+       }
 }
 
 static void
@@ -1088,6 +2144,11 @@ flush_fwd_rx_queues(void)
        uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
        uint64_t timer_period;
 
+       if (num_procs > 1) {
+               printf("multi-process not support for flushing fwd Rx queues, skip the below lines and return.\n");
+               return;
+       }
+
        /* convert to number of cycles */
        timer_period = rte_get_timer_hz(); /* 1 second timeout */
 
@@ -1126,12 +2187,13 @@ 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;
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
        uint64_t tics_per_1sec;
        uint64_t tics_datum;
        uint64_t tics_current;
-       uint16_t idx_port;
+       uint16_t i, cnt_ports;
 
+       cnt_ports = nb_ports;
        tics_datum = rte_rdtsc();
        tics_per_1sec = rte_get_timer_hz();
 #endif
@@ -1140,20 +2202,20 @@ run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
        do {
                for (sm_id = 0; sm_id < nb_fs; sm_id++)
                        (*pkt_fwd)(fsm[sm_id]);
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
                if (bitrate_enabled != 0 &&
                                bitrate_lcore_id == rte_lcore_id()) {
                        tics_current = rte_rdtsc();
                        if (tics_current - tics_datum >= tics_per_1sec) {
                                /* Periodic bitrate calculation */
-                               RTE_ETH_FOREACH_DEV(idx_port)
+                               for (i = 0; i < cnt_ports; i++)
                                        rte_stats_bitrate_calc(bitrate_data,
-                                               idx_port);
+                                               ports_ids[i]);
                                tics_datum = tics_current;
                        }
                }
 #endif
-#ifdef RTE_LIBRTE_LATENCY_STATS
+#ifdef RTE_LIB_LATENCYSTATS
                if (latencystats_enabled != 0 &&
                                latencystats_lcore_id == rte_lcore_id())
                        rte_latencystats_update();
@@ -1195,16 +2257,10 @@ run_one_txonly_burst_on_core(void *fwd_arg)
 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]);
-       }
+       int diag;
+
        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())) {
@@ -1212,37 +2268,13 @@ launch_packet_forwarding(lcore_function_t *pkt_fwd_on_lcore)
                        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);
+                               fprintf(stderr,
+                                       "launch lcore %u failed - diag=%d\n",
+                                       lc_id, diag);
                }
        }
 }
 
-/*
- * Update the forward ports list.
- */
-void
-update_fwd_ports(portid_t new_pid)
-{
-       unsigned int i;
-       unsigned int new_nb_fwd_ports = 0;
-       int move = 0;
-
-       for (i = 0; i < nb_fwd_ports; ++i) {
-               if (port_id_is_invalid(fwd_ports_ids[i], DISABLED_WARN))
-                       move = 1;
-               else if (move)
-                       fwd_ports_ids[new_nb_fwd_ports++] = fwd_ports_ids[i];
-               else
-                       new_nb_fwd_ports++;
-       }
-       if (new_pid < RTE_MAX_ETHPORTS)
-               fwd_ports_ids[new_nb_fwd_ports++] = new_pid;
-
-       nb_fwd_ports = new_nb_fwd_ports;
-       nb_cfg_ports = new_nb_fwd_ports;
-}
-
 /*
  * Launch packet forwarding configuration.
  */
@@ -1251,10 +2283,7 @@ 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");
@@ -1270,72 +2299,53 @@ start_packet_forwarding(int with_tx_first)
                        cur_fwd_eng->fwd_mode_name);
 
        if (all_ports_started() == 0) {
-               printf("Not all ports were started\n");
+               fprintf(stderr, "Not all ports were started\n");
                return;
        }
        if (test_done == 0) {
-               printf("Packet forwarding already started\n");
+               fprintf(stderr, "Packet forwarding already started\n");
                return;
        }
 
+       fwd_config_setup();
 
-       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");
+       pkt_fwd_config_display(&cur_fwd_config);
+       if (!pkt_fwd_shared_rxq_check())
+               return;
+
+       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++) {
+                       if (port_fwd_begin(fwd_ports_ids[i])) {
+                               fprintf(stderr,
+                                       "Packet forwarding is not ready\n");
                                return;
                        }
                }
-               if (nb_fwd_lcores == 1) {
-                       printf("In DCB mode,the nb forwarding cores "
-                               "should be larger than 1.\n");
-                       return;
+       }
+
+       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++) {
+                               if (port_fwd_begin(fwd_ports_ids[i])) {
+                                       fprintf(stderr,
+                                               "Packet forwarding is not ready\n");
+                                       return;
+                               }
+                       }
                }
        }
-       test_done = 0;
 
-       fwd_config_setup();
+       test_done = 0;
 
        if(!no_flush_rx)
                flush_fwd_rx_queues();
 
-       pkt_fwd_config_display(&cur_fwd_config);
        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
-       }
+       fwd_stats_reset();
        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]);
-               }
                while (with_tx_first--) {
                        launch_packet_forwarding(
                                        run_one_txonly_burst_on_core);
@@ -1353,29 +2363,13 @@ start_packet_forwarding(int with_tx_first)
 void
 stop_packet_forwarding(void)
 {
-       struct rte_eth_stats stats;
-       struct rte_port *port;
-       port_fwd_end_t  port_fwd_end;
+       port_fwd_end_t port_fwd_end;
+       lcoreid_t lc_id;
+       portid_t pt_id;
        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 (test_done) {
-               printf("Packet forwarding not started\n");
+               fprintf(stderr, "Packet forwarding not started\n");
                return;
        }
        printf("Telling cores to stop...");
@@ -1390,100 +2384,9 @@ stop_packet_forwarding(void)
                        (*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_stats_display();
 
-               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;
 }
@@ -1492,14 +2395,14 @@ void
 dev_set_link_up(portid_t pid)
 {
        if (rte_eth_dev_set_link_up(pid) < 0)
-               printf("\nSet link up fail.\n");
+               fprintf(stderr, "\nSet link up fail.\n");
 }
 
 void
 dev_set_link_down(portid_t pid)
 {
        if (rte_eth_dev_set_link_down(pid) < 0)
-               printf("\nSet link down fail.\n");
+               fprintf(stderr, "\nSet link down fail.\n");
 }
 
 static int
@@ -1556,16 +2459,249 @@ port_is_started(portid_t port_id)
        return 1;
 }
 
+/* Configure the Rx and Tx hairpin queues for the selected port. */
 static int
-port_is_closed(portid_t port_id)
+setup_hairpin_queues(portid_t pi, portid_t p_pi, uint16_t cnt_pi)
 {
-       if (port_id_is_invalid(port_id, ENABLED_WARN))
-               return 0;
+       queueid_t qi;
+       struct rte_eth_hairpin_conf hairpin_conf = {
+               .peer_count = 1,
+       };
+       int i;
+       int diag;
+       struct rte_port *port = &ports[pi];
+       uint16_t peer_rx_port = pi;
+       uint16_t peer_tx_port = pi;
+       uint32_t manual = 1;
+       uint32_t tx_exp = hairpin_mode & 0x10;
+
+       if (!(hairpin_mode & 0xf)) {
+               peer_rx_port = pi;
+               peer_tx_port = pi;
+               manual = 0;
+       } else if (hairpin_mode & 0x1) {
+               peer_tx_port = rte_eth_find_next_owned_by(pi + 1,
+                                                      RTE_ETH_DEV_NO_OWNER);
+               if (peer_tx_port >= RTE_MAX_ETHPORTS)
+                       peer_tx_port = rte_eth_find_next_owned_by(0,
+                                               RTE_ETH_DEV_NO_OWNER);
+               if (p_pi != RTE_MAX_ETHPORTS) {
+                       peer_rx_port = p_pi;
+               } else {
+                       uint16_t next_pi;
+
+                       /* Last port will be the peer RX port of the first. */
+                       RTE_ETH_FOREACH_DEV(next_pi)
+                               peer_rx_port = next_pi;
+               }
+               manual = 1;
+       } else if (hairpin_mode & 0x2) {
+               if (cnt_pi & 0x1) {
+                       peer_rx_port = p_pi;
+               } else {
+                       peer_rx_port = rte_eth_find_next_owned_by(pi + 1,
+                                               RTE_ETH_DEV_NO_OWNER);
+                       if (peer_rx_port >= RTE_MAX_ETHPORTS)
+                               peer_rx_port = pi;
+               }
+               peer_tx_port = peer_rx_port;
+               manual = 1;
+       }
+
+       for (qi = nb_txq, i = 0; qi < nb_hairpinq + nb_txq; qi++) {
+               hairpin_conf.peers[0].port = peer_rx_port;
+               hairpin_conf.peers[0].queue = i + nb_rxq;
+               hairpin_conf.manual_bind = !!manual;
+               hairpin_conf.tx_explicit = !!tx_exp;
+               diag = rte_eth_tx_hairpin_queue_setup
+                       (pi, qi, nb_txd, &hairpin_conf);
+               i++;
+               if (diag == 0)
+                       continue;
+
+               /* Fail to setup rx queue, return */
+               if (rte_atomic16_cmpset(&(port->port_status),
+                                       RTE_PORT_HANDLING,
+                                       RTE_PORT_STOPPED) == 0)
+                       fprintf(stderr,
+                               "Port %d can not be set back to stopped\n", pi);
+               fprintf(stderr, "Fail to configure port %d hairpin queues\n",
+                       pi);
+               /* try to reconfigure queues next time */
+               port->need_reconfig_queues = 1;
+               return -1;
+       }
+       for (qi = nb_rxq, i = 0; qi < nb_hairpinq + nb_rxq; qi++) {
+               hairpin_conf.peers[0].port = peer_tx_port;
+               hairpin_conf.peers[0].queue = i + nb_txq;
+               hairpin_conf.manual_bind = !!manual;
+               hairpin_conf.tx_explicit = !!tx_exp;
+               diag = rte_eth_rx_hairpin_queue_setup
+                       (pi, qi, nb_rxd, &hairpin_conf);
+               i++;
+               if (diag == 0)
+                       continue;
+
+               /* Fail to setup rx queue, return */
+               if (rte_atomic16_cmpset(&(port->port_status),
+                                       RTE_PORT_HANDLING,
+                                       RTE_PORT_STOPPED) == 0)
+                       fprintf(stderr,
+                               "Port %d can not be set back to stopped\n", pi);
+               fprintf(stderr, "Fail to configure port %d hairpin queues\n",
+                       pi);
+               /* try to reconfigure queues next time */
+               port->need_reconfig_queues = 1;
+               return -1;
+       }
+       return 0;
+}
+
+/* Configure the Rx with optional split. */
+int
+rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
+              uint16_t nb_rx_desc, unsigned int socket_id,
+              struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp)
+{
+       union rte_eth_rxseg rx_useg[MAX_SEGS_BUFFER_SPLIT] = {};
+       unsigned int i, mp_n;
+       int ret;
+
+       if (rx_pkt_nb_segs <= 1 ||
+           (rx_conf->offloads & RTE_ETH_RX_OFFLOAD_BUFFER_SPLIT) == 0) {
+               rx_conf->rx_seg = NULL;
+               rx_conf->rx_nseg = 0;
+               ret = rte_eth_rx_queue_setup(port_id, rx_queue_id,
+                                            nb_rx_desc, socket_id,
+                                            rx_conf, mp);
+               return ret;
+       }
+       for (i = 0; i < rx_pkt_nb_segs; i++) {
+               struct rte_eth_rxseg_split *rx_seg = &rx_useg[i].split;
+               struct rte_mempool *mpx;
+               /*
+                * Use last valid pool for the segments with number
+                * exceeding the pool index.
+                */
+               mp_n = (i > mbuf_data_size_n) ? mbuf_data_size_n - 1 : i;
+               mpx = mbuf_pool_find(socket_id, mp_n);
+               /* Handle zero as mbuf data buffer size. */
+               rx_seg->length = rx_pkt_seg_lengths[i] ?
+                                  rx_pkt_seg_lengths[i] :
+                                  mbuf_data_size[mp_n];
+               rx_seg->offset = i < rx_pkt_nb_offs ?
+                                  rx_pkt_seg_offsets[i] : 0;
+               rx_seg->mp = mpx ? mpx : mp;
+       }
+       rx_conf->rx_nseg = rx_pkt_nb_segs;
+       rx_conf->rx_seg = rx_useg;
+       ret = rte_eth_rx_queue_setup(port_id, rx_queue_id, nb_rx_desc,
+                                   socket_id, rx_conf, NULL);
+       rx_conf->rx_seg = NULL;
+       rx_conf->rx_nseg = 0;
+       return ret;
+}
+
+static int
+alloc_xstats_display_info(portid_t pi)
+{
+       uint64_t **ids_supp = &ports[pi].xstats_info.ids_supp;
+       uint64_t **prev_values = &ports[pi].xstats_info.prev_values;
+       uint64_t **curr_values = &ports[pi].xstats_info.curr_values;
 
-       if (ports[port_id].port_status != RTE_PORT_CLOSED)
+       if (xstats_display_num == 0)
                return 0;
 
-       return 1;
+       *ids_supp = calloc(xstats_display_num, sizeof(**ids_supp));
+       if (*ids_supp == NULL)
+               goto fail_ids_supp;
+
+       *prev_values = calloc(xstats_display_num,
+                             sizeof(**prev_values));
+       if (*prev_values == NULL)
+               goto fail_prev_values;
+
+       *curr_values = calloc(xstats_display_num,
+                             sizeof(**curr_values));
+       if (*curr_values == NULL)
+               goto fail_curr_values;
+
+       ports[pi].xstats_info.allocated = true;
+
+       return 0;
+
+fail_curr_values:
+       free(*prev_values);
+fail_prev_values:
+       free(*ids_supp);
+fail_ids_supp:
+       return -ENOMEM;
+}
+
+static void
+free_xstats_display_info(portid_t pi)
+{
+       if (!ports[pi].xstats_info.allocated)
+               return;
+       free(ports[pi].xstats_info.ids_supp);
+       free(ports[pi].xstats_info.prev_values);
+       free(ports[pi].xstats_info.curr_values);
+       ports[pi].xstats_info.allocated = false;
+}
+
+/** Fill helper structures for specified port to show extended statistics. */
+static void
+fill_xstats_display_info_for_port(portid_t pi)
+{
+       unsigned int stat, stat_supp;
+       const char *xstat_name;
+       struct rte_port *port;
+       uint64_t *ids_supp;
+       int rc;
+
+       if (xstats_display_num == 0)
+               return;
+
+       if (pi == (portid_t)RTE_PORT_ALL) {
+               fill_xstats_display_info();
+               return;
+       }
+
+       port = &ports[pi];
+       if (port->port_status != RTE_PORT_STARTED)
+               return;
+
+       if (!port->xstats_info.allocated && alloc_xstats_display_info(pi) != 0)
+               rte_exit(EXIT_FAILURE,
+                        "Failed to allocate xstats display memory\n");
+
+       ids_supp = port->xstats_info.ids_supp;
+       for (stat = stat_supp = 0; stat < xstats_display_num; stat++) {
+               xstat_name = xstats_display[stat].name;
+               rc = rte_eth_xstats_get_id_by_name(pi, xstat_name,
+                                                  ids_supp + stat_supp);
+               if (rc != 0) {
+                       fprintf(stderr, "No xstat '%s' on port %u - skip it %u\n",
+                               xstat_name, pi, stat);
+                       continue;
+               }
+               stat_supp++;
+       }
+
+       port->xstats_info.ids_supp_sz = stat_supp;
+}
+
+/** Fill helper structures for all ports to show extended statistics. */
+static void
+fill_xstats_display_info(void)
+{
+       portid_t pi;
+
+       if (xstats_display_num == 0)
+               return;
+
+       RTE_ETH_FOREACH_DEV(pi)
+               fill_xstats_display_info_for_port(pi);
 }
 
 int
@@ -1573,16 +2709,19 @@ start_port(portid_t pid)
 {
        int diag, need_check_link_status = -1;
        portid_t pi;
+       portid_t p_pi = RTE_MAX_ETHPORTS;
+       portid_t pl[RTE_MAX_ETHPORTS];
+       portid_t peer_pl[RTE_MAX_ETHPORTS];
+       uint16_t cnt_pi = 0;
+       uint16_t cfg_pi = 0;
+       int peer_pi;
        queueid_t qi;
        struct rte_port *port;
-       struct ether_addr mac_addr;
-       enum rte_eth_event_type event_type;
+       struct rte_eth_hairpin_cap cap;
 
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return 0;
 
-       if(dcb_config)
-               dcb_test = 1;
        RTE_ETH_FOREACH_DEV(pi) {
                if (pid != pi && pid != (portid_t)RTE_PORT_ALL)
                        continue;
@@ -1591,47 +2730,87 @@ start_port(portid_t pid)
                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);
+                       fprintf(stderr, "Port %d is now not stopped\n", pi);
                        continue;
                }
 
                if (port->need_reconfig > 0) {
+                       struct rte_eth_conf dev_conf;
+                       int k;
+
                        port->need_reconfig = 0;
 
                        if (flow_isolate_all) {
                                int ret = port_flow_isolate(pi, 1);
                                if (ret) {
-                                       printf("Failed to apply isolated"
-                                              " mode on port %d\n", pi);
+                                       fprintf(stderr,
+                                               "Failed to apply isolated mode on port %d\n",
+                                               pi);
                                        return -1;
                                }
                        }
-
+                       configure_rxtx_dump_callbacks(0);
                        printf("Configuring Port %d (socket %u)\n", pi,
                                        port->socket_id);
+                       if (nb_hairpinq > 0 &&
+                           rte_eth_dev_hairpin_capability_get(pi, &cap)) {
+                               fprintf(stderr,
+                                       "Port %d doesn't support hairpin queues\n",
+                                       pi);
+                               return -1;
+                       }
+
                        /* configure port */
-                       diag = rte_eth_dev_configure(pi, nb_rxq, nb_txq,
-                                               &(port->dev_conf));
+                       diag = eth_dev_configure_mp(pi, nb_rxq + nb_hairpinq,
+                                                    nb_txq + nb_hairpinq,
+                                                    &(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);
+                                       fprintf(stderr,
+                                               "Port %d can not be set back to stopped\n",
+                                               pi);
+                               fprintf(stderr, "Fail to configure port %d\n",
+                                       pi);
                                /* try to reconfigure port next time */
                                port->need_reconfig = 1;
                                return -1;
                        }
+                       /* get device configuration*/
+                       if (0 !=
+                               eth_dev_conf_get_print_err(pi, &dev_conf)) {
+                               fprintf(stderr,
+                                       "port %d can not get device configuration\n",
+                                       pi);
+                               return -1;
+                       }
+                       /* Apply Rx offloads configuration */
+                       if (dev_conf.rxmode.offloads !=
+                           port->dev_conf.rxmode.offloads) {
+                               port->dev_conf.rxmode.offloads |=
+                                       dev_conf.rxmode.offloads;
+                               for (k = 0;
+                                    k < port->dev_info.max_rx_queues;
+                                    k++)
+                                       port->rx_conf[k].offloads |=
+                                               dev_conf.rxmode.offloads;
+                       }
+                       /* Apply Tx offloads configuration */
+                       if (dev_conf.txmode.offloads !=
+                           port->dev_conf.txmode.offloads) {
+                               port->dev_conf.txmode.offloads |=
+                                       dev_conf.txmode.offloads;
+                               for (k = 0;
+                                    k < port->dev_info.max_tx_queues;
+                                    k++)
+                                       port->tx_conf[k].offloads |=
+                                               dev_conf.txmode.offloads;
+                       }
                }
-               if (port->need_reconfig_queues > 0) {
+               if (port->need_reconfig_queues > 0 && is_proc_primary()) {
                        port->need_reconfig_queues = 0;
                        /* setup tx queues */
                        for (qi = 0; qi < nb_txq; qi++) {
-                               port->tx_conf[qi].txq_flags =
-                                       ETH_TXQ_FLAGS_IGNORE;
-                               /* Apply Tx offloads configuration */
-                               port->tx_conf[qi].offloads =
-                                       port->dev_conf.txmode.offloads;
                                if ((numa_support) &&
                                        (txring_numa[pi] != NUMA_NO_CONFIG))
                                        diag = rte_eth_tx_queue_setup(pi, qi,
@@ -1651,48 +2830,47 @@ start_port(portid_t pid)
                                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);
+                                       fprintf(stderr,
+                                               "Port %d can not be set back to stopped\n",
+                                               pi);
+                               fprintf(stderr,
+                                       "Fail to configure port %d tx queues\n",
+                                       pi);
                                /* try to reconfigure queues next time */
                                port->need_reconfig_queues = 1;
                                return -1;
                        }
                        for (qi = 0; qi < nb_rxq; qi++) {
-                               /* Apply Rx offloads configuration */
-                               port->rx_conf[qi].offloads =
-                                       port->dev_conf.rxmode.offloads;
                                /* setup rx queues */
                                if ((numa_support) &&
                                        (rxring_numa[pi] != NUMA_NO_CONFIG)) {
                                        struct rte_mempool * mp =
-                                               mbuf_pool_find(rxring_numa[pi]);
+                                               mbuf_pool_find
+                                                       (rxring_numa[pi], 0);
                                        if (mp == NULL) {
-                                               printf("Failed to setup RX queue:"
-                                                       "No mempool allocation"
-                                                       " on the socket %d\n",
+                                               fprintf(stderr,
+                                                       "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,
-                                            port->nb_rx_desc[pi],
+                                       diag = rx_queue_setup(pi, qi,
+                                            port->nb_rx_desc[qi],
                                             rxring_numa[pi],
                                             &(port->rx_conf[qi]),
                                             mp);
                                } else {
                                        struct rte_mempool *mp =
-                                               mbuf_pool_find(port->socket_id);
+                                               mbuf_pool_find
+                                                       (port->socket_id, 0);
                                        if (mp == NULL) {
-                                               printf("Failed to setup RX queue:"
-                                                       "No mempool allocation"
-                                                       " on the socket %d\n",
+                                               fprintf(stderr,
+                                                       "Failed to setup RX queue: No mempool allocation on the socket %d\n",
                                                        port->socket_id);
                                                return -1;
                                        }
-                                       diag = rte_eth_rx_queue_setup(pi, qi,
-                                            port->nb_rx_desc[pi],
+                                       diag = rx_queue_setup(pi, qi,
+                                            port->nb_rx_desc[qi],
                                             port->socket_id,
                                             &(port->rx_conf[qi]),
                                             mp);
@@ -1704,60 +2882,113 @@ start_port(portid_t pid)
                                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);
+                                       fprintf(stderr,
+                                               "Port %d can not be set back to stopped\n",
+                                               pi);
+                               fprintf(stderr,
+                                       "Fail to configure port %d rx queues\n",
+                                       pi);
                                /* try to reconfigure queues next time */
                                port->need_reconfig_queues = 1;
                                return -1;
                        }
+                       /* setup hairpin queues */
+                       if (setup_hairpin_queues(pi, p_pi, cnt_pi) != 0)
+                               return -1;
                }
+               configure_rxtx_dump_callbacks(verbose_level);
+               if (clear_ptypes) {
+                       diag = rte_eth_dev_set_ptypes(pi, RTE_PTYPE_UNKNOWN,
+                                       NULL, 0);
+                       if (diag < 0)
+                               fprintf(stderr,
+                                       "Port %d: Failed to disable Ptype parsing\n",
+                                       pi);
+               }
+
+               p_pi = pi;
+               cnt_pi++;
 
                /* start port */
-               if (rte_eth_dev_start(pi) < 0) {
-                       printf("Fail to start port %d\n", pi);
+               diag = eth_dev_start_mp(pi);
+               if (diag < 0) {
+                       fprintf(stderr, "Fail to start port %d: %s\n",
+                               pi, rte_strerror(-diag));
 
                        /* 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);
+                               fprintf(stderr,
+                                       "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);
+                       fprintf(stderr, "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]);
+               if (eth_macaddr_get_print_err(pi, &port->eth_addr) == 0)
+                       printf("Port %d: " RTE_ETHER_ADDR_PRT_FMT "\n", pi,
+                                       RTE_ETHER_ADDR_BYTES(&port->eth_addr));
 
                /* at least one port started, need checking link status */
                need_check_link_status = 1;
-       }
 
-       for (event_type = RTE_ETH_EVENT_UNKNOWN;
-            event_type < RTE_ETH_EVENT_MAX;
-            event_type++) {
-               diag = rte_eth_dev_callback_register(RTE_ETH_ALL,
-                                               event_type,
-                                               eth_event_callback,
-                                               NULL);
-               if (diag) {
-                       printf("Failed to setup even callback for event %d\n",
-                               event_type);
-                       return -1;
-               }
+               pl[cfg_pi++] = pi;
        }
 
        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");
+               fprintf(stderr, "Please stop the ports first\n");
+
+       if (hairpin_mode & 0xf) {
+               uint16_t i;
+               int j;
+
+               /* bind all started hairpin ports */
+               for (i = 0; i < cfg_pi; i++) {
+                       pi = pl[i];
+                       /* bind current Tx to all peer Rx */
+                       peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
+                                                       RTE_MAX_ETHPORTS, 1);
+                       if (peer_pi < 0)
+                               return peer_pi;
+                       for (j = 0; j < peer_pi; j++) {
+                               if (!port_is_started(peer_pl[j]))
+                                       continue;
+                               diag = rte_eth_hairpin_bind(pi, peer_pl[j]);
+                               if (diag < 0) {
+                                       fprintf(stderr,
+                                               "Error during binding hairpin Tx port %u to %u: %s\n",
+                                               pi, peer_pl[j],
+                                               rte_strerror(-diag));
+                                       return -1;
+                               }
+                       }
+                       /* bind all peer Tx to current Rx */
+                       peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
+                                                       RTE_MAX_ETHPORTS, 0);
+                       if (peer_pi < 0)
+                               return peer_pi;
+                       for (j = 0; j < peer_pi; j++) {
+                               if (!port_is_started(peer_pl[j]))
+                                       continue;
+                               diag = rte_eth_hairpin_bind(peer_pl[j], pi);
+                               if (diag < 0) {
+                                       fprintf(stderr,
+                                               "Error during binding hairpin Tx port %u to %u: %s\n",
+                                               peer_pl[j], pi,
+                                               rte_strerror(-diag));
+                                       return -1;
+                               }
+                       }
+               }
+       }
+
+       fill_xstats_display_info_for_port(pid);
 
        printf("Done\n");
        return 0;
@@ -1769,11 +3000,8 @@ stop_port(portid_t pid)
        portid_t pi;
        struct rte_port *port;
        int need_check_link_status = 0;
-
-       if (dcb_test) {
-               dcb_test = 0;
-               dcb_config = 0;
-       }
+       portid_t peer_pl[RTE_MAX_ETHPORTS];
+       int peer_pi;
 
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return;
@@ -1785,12 +3013,16 @@ stop_port(portid_t pid)
                        continue;
 
                if (port_is_forwarding(pi) != 0 && test_done == 0) {
-                       printf("Please remove port %d from forwarding configuration.\n", pi);
+                       fprintf(stderr,
+                               "Please remove port %d from forwarding configuration.\n",
+                               pi);
                        continue;
                }
 
                if (port_is_bonding_slave(pi)) {
-                       printf("Please remove port %d from bonded device.\n", pi);
+                       fprintf(stderr,
+                               "Please remove port %d from bonded device.\n",
+                               pi);
                        continue;
                }
 
@@ -1799,11 +3031,33 @@ stop_port(portid_t pid)
                                                RTE_PORT_HANDLING) == 0)
                        continue;
 
-               rte_eth_dev_stop(pi);
+               if (hairpin_mode & 0xf) {
+                       int j;
+
+                       rte_eth_hairpin_unbind(pi, RTE_MAX_ETHPORTS);
+                       /* unbind all peer Tx from current Rx */
+                       peer_pi = rte_eth_hairpin_get_peer_ports(pi, peer_pl,
+                                                       RTE_MAX_ETHPORTS, 0);
+                       if (peer_pi < 0)
+                               continue;
+                       for (j = 0; j < peer_pi; j++) {
+                               if (!port_is_started(peer_pl[j]))
+                                       continue;
+                               rte_eth_hairpin_unbind(peer_pl[j], pi);
+                       }
+               }
+
+               if (port->flow_list)
+                       port_flow_flush(pi);
+
+               if (eth_dev_stop_mp(pi) != 0)
+                       RTE_LOG(ERR, EAL, "rte_eth_dev_stop failed for port %u\n",
+                               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);
+                       fprintf(stderr, "Port %d can not be set into stopped\n",
+                               pi);
                need_check_link_status = 1;
        }
        if (need_check_link_status && !no_link_check)
@@ -1812,6 +3066,28 @@ stop_port(portid_t pid)
        printf("Done\n");
 }
 
+static void
+remove_invalid_ports_in(portid_t *array, portid_t *total)
+{
+       portid_t i;
+       portid_t new_total = 0;
+
+       for (i = 0; i < *total; i++)
+               if (!port_id_is_invalid(array[i], DISABLED_WARN)) {
+                       array[new_total] = array[i];
+                       new_total++;
+               }
+       *total = new_total;
+}
+
+static void
+remove_invalid_ports(void)
+{
+       remove_invalid_ports_in(ports_ids, &nb_ports);
+       remove_invalid_ports_in(fwd_ports_ids, &nb_fwd_ports);
+       nb_cfg_ports = nb_fwd_ports;
+}
+
 void
 close_port(portid_t pid)
 {
@@ -1828,37 +3104,36 @@ close_port(portid_t pid)
                        continue;
 
                if (port_is_forwarding(pi) != 0 && test_done == 0) {
-                       printf("Please remove port %d from forwarding configuration.\n", pi);
+                       fprintf(stderr,
+                               "Please remove port %d from forwarding configuration.\n",
+                               pi);
                        continue;
                }
 
                if (port_is_bonding_slave(pi)) {
-                       printf("Please remove port %d from bonded device.\n", pi);
+                       fprintf(stderr,
+                               "Please remove port %d from bonded device.\n",
+                               pi);
                        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);
+                       fprintf(stderr, "Port %d is already closed\n", pi);
                        continue;
                }
 
-               if (port->flow_list)
+               if (is_proc_primary()) {
                        port_flow_flush(pi);
-               rte_eth_dev_close(pi);
+                       port_flex_item_flush(pi);
+                       rte_eth_dev_close(pi);
+               }
 
-               if (rte_atomic16_cmpset(&(port->port_status),
-                       RTE_PORT_HANDLING, RTE_PORT_CLOSED) == 0)
-                       printf("Port %d cannot be set to closed\n", pi);
+               free_xstats_display_info(pi);
        }
 
+       remove_invalid_ports();
        printf("Done\n");
 }
 
@@ -1872,6 +3147,13 @@ reset_port(portid_t pid)
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return;
 
+       if ((pid == (portid_t)RTE_PORT_ALL && !all_ports_stopped()) ||
+               (pid != (portid_t)RTE_PORT_ALL && !port_is_stopped(pid))) {
+               fprintf(stderr,
+                       "Can not reset port(s), please stop port(s) first.\n");
+               return;
+       }
+
        printf("Resetting ports...\n");
 
        RTE_ETH_FOREACH_DEV(pi) {
@@ -1879,156 +3161,263 @@ reset_port(portid_t pid)
                        continue;
 
                if (port_is_forwarding(pi) != 0 && test_done == 0) {
-                       printf("Please remove port %d from forwarding "
-                              "configuration.\n", pi);
+                       fprintf(stderr,
+                               "Please remove port %d from forwarding configuration.\n",
+                               pi);
                        continue;
                }
 
                if (port_is_bonding_slave(pi)) {
-                       printf("Please remove port %d from bonded device.\n",
-                              pi);
+                       fprintf(stderr,
+                               "Please remove port %d from bonded device.\n",
+                               pi);
                        continue;
                }
 
                diag = rte_eth_dev_reset(pi);
                if (diag == 0) {
-                       port = &ports[pi];
-                       port->need_reconfig = 1;
-                       port->need_reconfig_queues = 1;
-               } else {
-                       printf("Failed to reset port %d. diag=%d\n", pi, diag);
-               }
-       }
-
-       printf("Done\n");
-}
-
-static int
-eth_dev_event_callback_register(void)
-{
-       int ret;
-
-       /* register the device event callback */
-       ret = rte_dev_event_callback_register(NULL,
-               eth_dev_event_callback, NULL);
-       if (ret) {
-               printf("Failed to register device event callback\n");
-               return -1;
-       }
-
-       return 0;
-}
-
-
-static int
-eth_dev_event_callback_unregister(void)
-{
-       int ret;
-
-       /* unregister the device event callback */
-       ret = rte_dev_event_callback_unregister(NULL,
-               eth_dev_event_callback, NULL);
-       if (ret < 0) {
-               printf("Failed to unregister device event callback\n");
-               return -1;
+                       port = &ports[pi];
+                       port->need_reconfig = 1;
+                       port->need_reconfig_queues = 1;
+               } else {
+                       fprintf(stderr, "Failed to reset port %d. diag=%d\n",
+                               pi, diag);
+               }
        }
 
-       return 0;
+       printf("Done\n");
 }
 
 void
 attach_port(char *identifier)
 {
-       portid_t pi = 0;
-       unsigned int socket_id;
+       portid_t pi;
+       struct rte_dev_iterator iterator;
 
        printf("Attaching a new port...\n");
 
        if (identifier == NULL) {
-               printf("Invalid parameters are specified\n");
+               fprintf(stderr, "Invalid parameters are specified\n");
+               return;
+       }
+
+       if (rte_dev_probe(identifier) < 0) {
+               TESTPMD_LOG(ERR, "Failed to attach port %s\n", identifier);
                return;
        }
 
-       if (rte_eth_dev_attach(identifier, &pi))
+       /* first attach mode: event */
+       if (setup_on_probe_event) {
+               /* new ports are detected on RTE_ETH_EVENT_NEW event */
+               for (pi = 0; pi < RTE_MAX_ETHPORTS; pi++)
+                       if (ports[pi].port_status == RTE_PORT_HANDLING &&
+                                       ports[pi].need_setup != 0)
+                               setup_attached_port(pi);
                return;
+       }
+
+       /* second attach mode: iterator */
+       RTE_ETH_FOREACH_MATCHING_DEV(pi, identifier, &iterator) {
+               /* setup ports matching the devargs used for probing */
+               if (port_is_forwarding(pi))
+                       continue; /* port was already attached before */
+               setup_attached_port(pi);
+       }
+}
+
+static void
+setup_attached_port(portid_t pi)
+{
+       unsigned int socket_id;
+       int ret;
 
        socket_id = (unsigned)rte_eth_dev_socket_id(pi);
-       /* if socket_id is invalid, set to 0 */
+       /* if socket_id is invalid, set to the first available socket. */
        if (check_socket_id(socket_id) < 0)
-               socket_id = 0;
+               socket_id = socket_ids[0];
        reconfig(pi, socket_id);
-       rte_eth_promiscuous_enable(pi);
+       ret = rte_eth_promiscuous_enable(pi);
+       if (ret != 0)
+               fprintf(stderr,
+                       "Error during enabling promiscuous mode for port %u: %s - ignore\n",
+                       pi, rte_strerror(-ret));
+
+       ports_ids[nb_ports++] = pi;
+       fwd_ports_ids[nb_fwd_ports++] = pi;
+       nb_cfg_ports = nb_fwd_ports;
+       ports[pi].need_setup = 0;
+       ports[pi].port_status = RTE_PORT_STOPPED;
+
+       printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports);
+       printf("Done\n");
+}
 
-       nb_ports = rte_eth_dev_count_avail();
+static void
+detach_device(struct rte_device *dev)
+{
+       portid_t sibling;
 
-       ports[pi].port_status = RTE_PORT_STOPPED;
+       if (dev == NULL) {
+               fprintf(stderr, "Device already removed\n");
+               return;
+       }
 
-       update_fwd_ports(pi);
+       printf("Removing a device...\n");
 
-       printf("Port %d is attached. Now total ports is %d\n", pi, nb_ports);
+       RTE_ETH_FOREACH_DEV_OF(sibling, dev) {
+               if (ports[sibling].port_status != RTE_PORT_CLOSED) {
+                       if (ports[sibling].port_status != RTE_PORT_STOPPED) {
+                               fprintf(stderr, "Port %u not stopped\n",
+                                       sibling);
+                               return;
+                       }
+                       port_flow_flush(sibling);
+               }
+       }
+
+       if (rte_dev_remove(dev) < 0) {
+               TESTPMD_LOG(ERR, "Failed to detach device %s\n", dev->name);
+               return;
+       }
+       remove_invalid_ports();
+
+       printf("Device is detached\n");
+       printf("Now total ports is %d\n", nb_ports);
        printf("Done\n");
+       return;
 }
 
 void
-detach_port(portid_t port_id)
+detach_port_device(portid_t port_id)
 {
-       char name[RTE_ETH_NAME_MAX_LEN];
+       int ret;
+       struct rte_eth_dev_info dev_info;
+
+       if (port_id_is_invalid(port_id, ENABLED_WARN))
+               return;
 
-       printf("Detaching a port...\n");
+       if (ports[port_id].port_status != RTE_PORT_CLOSED) {
+               if (ports[port_id].port_status != RTE_PORT_STOPPED) {
+                       fprintf(stderr, "Port not stopped\n");
+                       return;
+               }
+               fprintf(stderr, "Port was not closed\n");
+       }
 
-       if (!port_is_closed(port_id)) {
-               printf("Please close port first\n");
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0) {
+               TESTPMD_LOG(ERR,
+                       "Failed to get device info for port %d, not detaching\n",
+                       port_id);
                return;
        }
+       detach_device(dev_info.device);
+}
+
+void
+detach_devargs(char *identifier)
+{
+       struct rte_dev_iterator iterator;
+       struct rte_devargs da;
+       portid_t port_id;
 
-       if (ports[port_id].flow_list)
-               port_flow_flush(port_id);
+       printf("Removing a device...\n");
 
-       if (rte_eth_dev_detach(port_id, name)) {
-               TESTPMD_LOG(ERR, "Failed to detach port '%s'\n", name);
+       memset(&da, 0, sizeof(da));
+       if (rte_devargs_parsef(&da, "%s", identifier)) {
+               fprintf(stderr, "cannot parse identifier\n");
                return;
        }
 
-       nb_ports = rte_eth_dev_count_avail();
+       RTE_ETH_FOREACH_MATCHING_DEV(port_id, identifier, &iterator) {
+               if (ports[port_id].port_status != RTE_PORT_CLOSED) {
+                       if (ports[port_id].port_status != RTE_PORT_STOPPED) {
+                               fprintf(stderr, "Port %u not stopped\n",
+                                       port_id);
+                               rte_eth_iterator_cleanup(&iterator);
+                               rte_devargs_reset(&da);
+                               return;
+                       }
+                       port_flow_flush(port_id);
+               }
+       }
+
+       if (rte_eal_hotplug_remove(da.bus->name, da.name) != 0) {
+               TESTPMD_LOG(ERR, "Failed to detach device %s(%s)\n",
+                           da.name, da.bus->name);
+               rte_devargs_reset(&da);
+               return;
+       }
 
-       update_fwd_ports(RTE_MAX_ETHPORTS);
+       remove_invalid_ports();
 
-       printf("Port '%s' is detached. Now total ports is %d\n",
-                       name, nb_ports);
+       printf("Device %s is detached\n", identifier);
+       printf("Now total ports is %d\n", nb_ports);
        printf("Done\n");
-       return;
+       rte_devargs_reset(&da);
 }
 
 void
 pmd_test_exit(void)
 {
        portid_t pt_id;
+       unsigned int i;
        int ret;
 
        if (test_done == 0)
                stop_packet_forwarding();
 
+#ifndef RTE_EXEC_ENV_WINDOWS
+       for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
+               if (mempools[i]) {
+                       if (mp_alloc_type == MP_ALLOC_ANON)
+                               rte_mempool_mem_iter(mempools[i], dma_unmap_cb,
+                                                    NULL);
+               }
+       }
+#endif
        if (ports != NULL) {
                no_link_check = 1;
                RTE_ETH_FOREACH_DEV(pt_id) {
-                       printf("\nShutting down port %d...\n", pt_id);
+                       printf("\nStopping port %d...\n", pt_id);
                        fflush(stdout);
                        stop_port(pt_id);
+               }
+               RTE_ETH_FOREACH_DEV(pt_id) {
+                       printf("\nShutting down port %d...\n", pt_id);
+                       fflush(stdout);
                        close_port(pt_id);
                }
        }
 
        if (hot_plug) {
                ret = rte_dev_event_monitor_stop();
-               if (ret)
+               if (ret) {
                        RTE_LOG(ERR, EAL,
                                "fail to stop device event monitor.");
+                       return;
+               }
 
-               ret = eth_dev_event_callback_unregister();
-               if (ret)
+               ret = rte_dev_event_callback_unregister(NULL,
+                       dev_event_callback, NULL);
+               if (ret < 0) {
+                       RTE_LOG(ERR, EAL,
+                               "fail to unregister device event callback.\n");
+                       return;
+               }
+
+               ret = rte_dev_hotplug_handle_disable();
+               if (ret) {
                        RTE_LOG(ERR, EAL,
-                               "fail to unregister all event callbacks.");
+                               "fail to disable hotplug handling.\n");
+                       return;
+               }
+       }
+       for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
+               if (mempools[i])
+                       mempool_free_mp(mempools[i]);
        }
+       free(xstats_display);
 
        printf("\nBye...\n");
 }
@@ -2039,8 +3428,6 @@ struct pmd_test_command {
        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)
@@ -2050,6 +3437,8 @@ check_all_ports_link_status(uint32_t port_mask)
        portid_t portid;
        uint8_t count, all_ports_up, print_flag = 0;
        struct rte_eth_link link;
+       int ret;
+       char link_status[RTE_ETH_LINK_MAX_STR_LEN];
 
        printf("Checking link statuses...\n");
        fflush(stdout);
@@ -2059,17 +3448,20 @@ check_all_ports_link_status(uint32_t port_mask)
                        if ((port_mask & (1 << portid)) == 0)
                                continue;
                        memset(&link, 0, sizeof(link));
-                       rte_eth_link_get_nowait(portid, &link);
+                       ret = rte_eth_link_get_nowait(portid, &link);
+                       if (ret < 0) {
+                               all_ports_up = 0;
+                               if (print_flag == 1)
+                                       fprintf(stderr,
+                                               "Port %u link get failed: %s\n",
+                                               portid, rte_strerror(-ret));
+                               continue;
+                       }
                        /* print link status if flag set */
                        if (print_flag == 1) {
-                               if (link.link_status)
-                                       printf(
-                                       "Port%d Link Up. speed %u Mbps- %s\n",
-                                       portid, link.link_speed,
-                               (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
-                                       ("full-duplex") : ("half-duplex\n"));
-                               else
-                                       printf("Port %d Link Down\n", portid);
+                               rte_eth_link_to_str(link_status,
+                                       sizeof(link_status), &link);
+                               printf("Port %d %s\n", portid, link_status);
                                continue;
                        }
                        /* clear all_ports_up flag if any link down */
@@ -2098,20 +3490,36 @@ check_all_ports_link_status(uint32_t port_mask)
 }
 
 static void
-rmv_event_callback(void *arg)
+rmv_port_callback(void *arg)
 {
-       struct rte_eth_dev *dev;
+       int need_to_start = 0;
+       int org_no_link_check = no_link_check;
        portid_t port_id = (intptr_t)arg;
+       struct rte_eth_dev_info dev_info;
+       int ret;
 
        RTE_ETH_VALID_PORTID_OR_RET(port_id);
-       dev = &rte_eth_devices[port_id];
 
+       if (!test_done && port_is_forwarding(port_id)) {
+               need_to_start = 1;
+               stop_packet_forwarding();
+       }
+       no_link_check = 1;
        stop_port(port_id);
-       close_port(port_id);
-       printf("removing device %s\n", dev->device->name);
-       if (rte_eal_dev_detach(dev->device))
-               TESTPMD_LOG(ERR, "Failed to detach device %s\n",
-                       dev->device->name);
+       no_link_check = org_no_link_check;
+
+       ret = eth_dev_info_get_print_err(port_id, &dev_info);
+       if (ret != 0)
+               TESTPMD_LOG(ERR,
+                       "Failed to get device info for port %d, not detaching\n",
+                       port_id);
+       else {
+               struct rte_device *device = dev_info.device;
+               close_port(port_id);
+               detach_device(device); /* might be already removed or have more ports */
+       }
+       if (need_to_start)
+               start_packet_forwarding(0);
 }
 
 /* This function is used by the interrupt thread */
@@ -2119,41 +3527,36 @@ static int
 eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
                  void *ret_param)
 {
-       static const char * const event_desc[] = {
-               [RTE_ETH_EVENT_UNKNOWN] = "Unknown",
-               [RTE_ETH_EVENT_INTR_LSC] = "LSC",
-               [RTE_ETH_EVENT_QUEUE_STATE] = "Queue state",
-               [RTE_ETH_EVENT_INTR_RESET] = "Interrupt reset",
-               [RTE_ETH_EVENT_VF_MBOX] = "VF Mbox",
-               [RTE_ETH_EVENT_IPSEC] = "IPsec",
-               [RTE_ETH_EVENT_MACSEC] = "MACsec",
-               [RTE_ETH_EVENT_INTR_RMV] = "device removal",
-               [RTE_ETH_EVENT_NEW] = "device probed",
-               [RTE_ETH_EVENT_DESTROY] = "device released",
-               [RTE_ETH_EVENT_MAX] = NULL,
-       };
-
        RTE_SET_USED(param);
        RTE_SET_USED(ret_param);
 
        if (type >= RTE_ETH_EVENT_MAX) {
-               fprintf(stderr, "\nPort %" PRIu8 ": %s called upon invalid event %d\n",
+               fprintf(stderr,
+                       "\nPort %" PRIu16 ": %s called upon invalid event %d\n",
                        port_id, __func__, type);
                fflush(stderr);
        } else if (event_print_mask & (UINT32_C(1) << type)) {
-               printf("\nPort %" PRIu8 ": %s event\n", port_id,
-                       event_desc[type]);
+               printf("\nPort %" PRIu16 ": %s event\n", port_id,
+                       eth_event_desc[type]);
                fflush(stdout);
        }
 
-       if (port_id_is_invalid(port_id, DISABLED_WARN))
-               return 0;
-
        switch (type) {
+       case RTE_ETH_EVENT_NEW:
+               ports[port_id].need_setup = 1;
+               ports[port_id].port_status = RTE_PORT_HANDLING;
+               break;
        case RTE_ETH_EVENT_INTR_RMV:
+               if (port_id_is_invalid(port_id, DISABLED_WARN))
+                       break;
                if (rte_eal_alarm_set(100000,
-                               rmv_event_callback, (void *)(intptr_t)port_id))
-                       fprintf(stderr, "Could not set up deferred device removal\n");
+                               rmv_port_callback, (void *)(intptr_t)port_id))
+                       fprintf(stderr,
+                               "Could not set up deferred device removal\n");
+               break;
+       case RTE_ETH_EVENT_DESTROY:
+               ports[port_id].port_status = RTE_PORT_CLOSED;
+               printf("Port %u is closed\n", port_id);
                break;
        default:
                break;
@@ -2161,11 +3564,36 @@ eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
        return 0;
 }
 
+static int
+register_eth_event_callback(void)
+{
+       int ret;
+       enum rte_eth_event_type event;
+
+       for (event = RTE_ETH_EVENT_UNKNOWN;
+                       event < RTE_ETH_EVENT_MAX; event++) {
+               ret = rte_eth_dev_callback_register(RTE_ETH_ALL,
+                               event,
+                               eth_event_callback,
+                               NULL);
+               if (ret != 0) {
+                       TESTPMD_LOG(ERR, "Failed to register callback for "
+                                       "%s event\n", eth_event_desc[event]);
+                       return -1;
+               }
+       }
+
+       return 0;
+}
+
 /* This function is used by the interrupt thread */
 static void
-eth_dev_event_callback(char *device_name, enum rte_dev_event_type type,
+dev_event_callback(const char *device_name, enum rte_dev_event_type type,
                             __rte_unused void *arg)
 {
+       uint16_t port_id;
+       int ret;
+
        if (type >= RTE_DEV_EVENT_MAX) {
                fprintf(stderr, "%s called upon invalid event %d\n",
                        __func__, type);
@@ -2174,11 +3602,27 @@ eth_dev_event_callback(char *device_name, enum rte_dev_event_type type,
 
        switch (type) {
        case RTE_DEV_EVENT_REMOVE:
-               RTE_LOG(ERR, EAL, "The device: %s has been removed!\n",
+               RTE_LOG(DEBUG, EAL, "The device: %s has been removed!\n",
                        device_name);
-               /* TODO: After finish failure handle, begin to stop
-                * packet forward, stop port, close port, detach port.
+               ret = rte_eth_dev_get_port_by_name(device_name, &port_id);
+               if (ret) {
+                       RTE_LOG(ERR, EAL, "can not get port by device %s!\n",
+                               device_name);
+                       return;
+               }
+               /*
+                * Because the user's callback is invoked in eal interrupt
+                * callback, the interrupt callback need to be finished before
+                * it can be unregistered when detaching device. So finish
+                * callback soon and use a deferred removal to detach device
+                * is need. It is a workaround, once the device detaching be
+                * moved into the eal in the future, the deferred removal could
+                * be deleted.
                 */
+               if (rte_eal_alarm_set(100000,
+                               rmv_port_callback, (void *)(intptr_t)port_id))
+                       RTE_LOG(ERR, EAL,
+                               "Could not set up deferred device removal\n");
                break;
        case RTE_DEV_EVENT_ADD:
                RTE_LOG(ERR, EAL, "The device: %s has been added!\n",
@@ -2192,92 +3636,27 @@ eth_dev_event_callback(char *device_name, enum rte_dev_event_type type,
        }
 }
 
-static int
-set_tx_queue_stats_mapping_registers(portid_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(portid_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(portid_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)
+rxtx_port_config(portid_t pid)
 {
        uint16_t qid;
+       uint64_t offloads;
+       struct rte_port *port = &ports[pid];
 
        for (qid = 0; qid < nb_rxq; qid++) {
+               offloads = port->rx_conf[qid].offloads;
                port->rx_conf[qid] = port->dev_info.default_rxconf;
 
+               if (rxq_share > 0 &&
+                   (port->dev_info.dev_capa & RTE_ETH_DEV_CAPA_RXQ_SHARE)) {
+                       /* Non-zero share group to enable RxQ share. */
+                       port->rx_conf[qid].share_group = pid / rxq_share + 1;
+                       port->rx_conf[qid].share_qid = qid; /* Equal mapping. */
+               }
+
+               if (offloads != 0)
+                       port->rx_conf[qid].offloads = offloads;
+
                /* Check if any Rx parameters have been passed */
                if (rx_pthresh != RTE_PMD_PARAM_UNSET)
                        port->rx_conf[qid].rx_thresh.pthresh = rx_pthresh;
@@ -2298,7 +3677,10 @@ rxtx_port_config(struct rte_port *port)
        }
 
        for (qid = 0; qid < nb_txq; qid++) {
+               offloads = port->tx_conf[qid].offloads;
                port->tx_conf[qid] = port->dev_info.default_txconf;
+               if (offloads != 0)
+                       port->tx_conf[qid].offloads = offloads;
 
                /* Check if any Tx parameters have been passed */
                if (tx_pthresh != RTE_PMD_PARAM_UNSET)
@@ -2320,61 +3702,100 @@ rxtx_port_config(struct rte_port *port)
        }
 }
 
+/*
+ * Helper function to set MTU from frame size
+ *
+ * port->dev_info should be set before calling this function.
+ *
+ * return 0 on success, negative on error
+ */
+int
+update_mtu_from_frame_size(portid_t portid, uint32_t max_rx_pktlen)
+{
+       struct rte_port *port = &ports[portid];
+       uint32_t eth_overhead;
+       uint16_t mtu, new_mtu;
+
+       eth_overhead = get_eth_overhead(&port->dev_info);
+
+       if (rte_eth_dev_get_mtu(portid, &mtu) != 0) {
+               printf("Failed to get MTU for port %u\n", portid);
+               return -1;
+       }
+
+       new_mtu = max_rx_pktlen - eth_overhead;
+
+       if (mtu == new_mtu)
+               return 0;
+
+       if (eth_dev_set_mtu_mp(portid, new_mtu) != 0) {
+               fprintf(stderr,
+                       "Failed to set MTU to %u for port %u\n",
+                       new_mtu, portid);
+               return -1;
+       }
+
+       port->dev_conf.rxmode.mtu = new_mtu;
+
+       return 0;
+}
+
 void
 init_port_config(void)
 {
        portid_t pid;
        struct rte_port *port;
-       struct rte_eth_dev_info dev_info;
+       int ret, i;
 
        RTE_ETH_FOREACH_DEV(pid) {
                port = &ports[pid];
                port->dev_conf.fdir_conf = fdir_conf;
+
+               ret = eth_dev_info_get_print_err(pid, &port->dev_info);
+               if (ret != 0)
+                       return;
+
                if (nb_rxq > 1) {
-                       rte_eth_dev_info_get(pid, &dev_info);
                        port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
                        port->dev_conf.rx_adv_conf.rss_conf.rss_hf =
-                               rss_hf & dev_info.flow_type_rss_offloads;
+                               rss_hf & port->dev_info.flow_type_rss_offloads;
                } 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) {
-                       if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
-                               port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
-                       else
+                       if (port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0) {
+                               port->dev_conf.rxmode.mq_mode =
+                                       (enum rte_eth_rx_mq_mode)
+                                               (rx_mq_mode & ETH_MQ_RX_RSS);
+                       } else {
                                port->dev_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
+                               port->dev_conf.rxmode.offloads &=
+                                               ~DEV_RX_OFFLOAD_RSS_HASH;
+
+                               for (i = 0;
+                                    i < port->dev_info.nb_rx_queues;
+                                    i++)
+                                       port->rx_conf[i].offloads &=
+                                               ~DEV_RX_OFFLOAD_RSS_HASH;
+                       }
                }
 
-               rxtx_port_config(port);
+               rxtx_port_config(pid);
 
-               rte_eth_macaddr_get(pid, &port->eth_addr);
+               ret = eth_macaddr_get_print_err(pid, &port->eth_addr);
+               if (ret != 0)
+                       return;
 
-               map_port_queue_stats_mapping_registers(pid, port);
-#if defined RTE_LIBRTE_IXGBE_PMD && defined RTE_LIBRTE_IXGBE_BYPASS
+#if defined RTE_NET_IXGBE && defined RTE_LIBRTE_IXGBE_BYPASS
                rte_pmd_ixgbe_bypass_init(pid);
 #endif
 
-               if (lsc_interrupt &&
-                   (rte_eth_devices[pid].data->dev_flags &
-                    RTE_ETH_DEV_INTR_LSC))
+               if (lsc_interrupt && (*port->dev_info.dev_flags & RTE_ETH_DEV_INTR_LSC))
                        port->dev_conf.intr_conf.lsc = 1;
-               if (rmv_interrupt &&
-                   (rte_eth_devices[pid].data->dev_flags &
-                    RTE_ETH_DEV_INTR_RMV))
+               if (rmv_interrupt && (*port->dev_info.dev_flags & RTE_ETH_DEV_INTR_RMV))
                        port->dev_conf.intr_conf.rmv = 1;
-
-#if defined RTE_LIBRTE_PMD_SOFTNIC && defined RTE_LIBRTE_SCHED
-               /* Detect softnic port */
-               if (!strcmp(port->dev_info.driver_name, "net_softnic")) {
-                       port->softnic_enable = 1;
-                       memset(&port->softport, 0, sizeof(struct softnic_port));
-
-                       if (!strcmp(cur_fwd_eng->fwd_mode_name, "tm"))
-                               port->softport.tm_flag = 1;
-               }
-#endif
        }
 }
 
@@ -2397,10 +3818,19 @@ void clear_port_slave_flag(portid_t slave_pid)
 uint8_t port_is_bonding_slave(portid_t slave_pid)
 {
        struct rte_port *port;
+       struct rte_eth_dev_info dev_info;
+       int ret;
 
        port = &ports[slave_pid];
-       if ((rte_eth_devices[slave_pid].data->dev_flags &
-           RTE_ETH_DEV_BONDED_SLAVE) || (port->slave_flag == 1))
+       ret = eth_dev_info_get_print_err(slave_pid, &dev_info);
+       if (ret != 0) {
+               TESTPMD_LOG(ERR,
+                       "Failed to get device info for port id %d,"
+                       "cannot determine if the port is a bonded slave",
+                       slave_pid);
+               return 0;
+       }
+       if ((*dev_info.dev_flags & RTE_ETH_DEV_BONDED_SLAVE) || (port->slave_flag == 1))
                return 1;
        return 0;
 }
@@ -2413,12 +3843,14 @@ const uint16_t vlan_tags[] = {
 };
 
 static  int
-get_eth_dcb_conf(struct rte_eth_conf *eth_conf,
+get_eth_dcb_conf(portid_t pid, 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;
+       int32_t rc;
+       struct rte_eth_rss_conf rss_conf;
 
        /*
         * Builds up the correct configuration for dcb+vt based on the vlan tags array
@@ -2450,7 +3882,9 @@ get_eth_dcb_conf(struct rte_eth_conf *eth_conf,
                }
 
                /* set DCB mode of RX and TX of multiple queues */
-               eth_conf->rxmode.mq_mode = ETH_MQ_RX_VMDQ_DCB;
+               eth_conf->rxmode.mq_mode =
+                               (enum rte_eth_rx_mq_mode)
+                                       (rx_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 =
@@ -2458,6 +3892,12 @@ get_eth_dcb_conf(struct rte_eth_conf *eth_conf,
                struct rte_eth_dcb_tx_conf *tx_conf =
                                &eth_conf->tx_adv_conf.dcb_tx_conf;
 
+               memset(&rss_conf, 0, sizeof(struct rte_eth_rss_conf));
+
+               rc = rte_eth_dev_rss_hash_conf_get(pid, &rss_conf);
+               if (rc != 0)
+                       return rc;
+
                rx_conf->nb_tcs = num_tcs;
                tx_conf->nb_tcs = num_tcs;
 
@@ -2465,8 +3905,11 @@ get_eth_dcb_conf(struct rte_eth_conf *eth_conf,
                        rx_conf->dcb_tc[i] = i % num_tcs;
                        tx_conf->dcb_tc[i] = i % num_tcs;
                }
-               eth_conf->rxmode.mq_mode = ETH_MQ_RX_DCB_RSS;
-               eth_conf->rx_adv_conf.rss_conf.rss_hf = rss_hf;
+
+               eth_conf->rxmode.mq_mode =
+                               (enum rte_eth_rx_mq_mode)
+                                       (rx_mq_mode & ETH_MQ_RX_DCB_RSS);
+               eth_conf->rx_adv_conf.rss_conf = rss_conf;
                eth_conf->txmode.mq_mode = ETH_MQ_TX_DCB;
        }
 
@@ -2490,37 +3933,38 @@ init_port_dcb_config(portid_t pid,
        int retval;
        uint16_t i;
 
+       if (num_procs > 1) {
+               printf("The multi-process feature doesn't support dcb.\n");
+               return -ENOTSUP;
+       }
        rte_port = &ports[pid];
 
-       memset(&port_conf, 0, sizeof(struct rte_eth_conf));
-       /* Enter DCB configuration status */
-       dcb_config = 1;
-
-       port_conf.rxmode = rte_port->dev_conf.rxmode;
-       port_conf.txmode = rte_port->dev_conf.txmode;
+       /* retain the original device configuration. */
+       memcpy(&port_conf, &rte_port->dev_conf, sizeof(struct rte_eth_conf));
 
        /*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);
+       retval = get_eth_dcb_conf(pid, &port_conf, dcb_mode, num_tcs, pfc_en);
        if (retval < 0)
                return retval;
        port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 
-       /**
-        * Write the configuration into the device.
-        * Set the numbers of RX & TX queues to 0, so
-        * the RX & TX queues will not be setup.
-        */
-       rte_eth_dev_configure(pid, 0, 0, &port_conf);
+       /* re-configure the device . */
+       retval = rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf);
+       if (retval < 0)
+               return retval;
 
-       rte_eth_dev_info_get(pid, &rte_port->dev_info);
+       retval = eth_dev_info_get_print_err(pid, &rte_port->dev_info);
+       if (retval != 0)
+               return retval;
 
        /* 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 &&
            rte_port->dev_info.vmdq_pool_base > 0) {
-               printf("VMDQ_DCB multi-queue mode is nonsensical"
-                       " for port %d.", pid);
+               fprintf(stderr,
+                       "VMDQ_DCB multi-queue mode is nonsensical for port %d.\n",
+                       pid);
                return -1;
        }
 
@@ -2550,23 +3994,29 @@ init_port_dcb_config(portid_t pid,
 
        memcpy(&rte_port->dev_conf, &port_conf, sizeof(struct rte_eth_conf));
 
-       rxtx_port_config(rte_port);
+       rxtx_port_config(pid);
        /* VLAN filter */
        rte_port->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
        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);
+       retval = eth_macaddr_get_print_err(pid, &rte_port->eth_addr);
+       if (retval != 0)
+               return retval;
 
        rte_port->dcb_flag = 1;
 
+       /* Enter DCB configuration status */
+       dcb_config = 1;
+
        return 0;
 }
 
 static void
 init_port(void)
 {
+       int i;
+
        /* Configuration of Ethernet ports. */
        ports = rte_zmalloc("testpmd: ports",
                            sizeof(struct rte_port) * RTE_MAX_ETHPORTS,
@@ -2576,6 +4026,14 @@ init_port(void)
                                "rte_zmalloc(%d struct rte_port) failed\n",
                                RTE_MAX_ETHPORTS);
        }
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++)
+               ports[i].xstats_info.allocated = false;
+       for (i = 0; i < RTE_MAX_ETHPORTS; i++)
+               LIST_INIT(&ports[i].flow_tunnel_list);
+       /* Initialize ports NUMA structures */
+       memset(port_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
+       memset(rxring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
+       memset(txring_numa, NUMA_NO_CONFIG, RTE_MAX_ETHPORTS);
 }
 
 static void
@@ -2598,27 +4056,32 @@ print_stats(void)
        printf("\nPort statistics ====================================");
        for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++)
                nic_stats_display(fwd_ports_ids[i]);
+
+       fflush(stdout);
 }
 
 static void
 signal_handler(int signum)
 {
        if (signum == SIGINT || signum == SIGTERM) {
-               printf("\nSignal %d received, preparing to exit...\n",
-                               signum);
-#ifdef RTE_LIBRTE_PDUMP
+               fprintf(stderr, "\nSignal %d received, preparing to exit...\n",
+                       signum);
+#ifdef RTE_LIB_PDUMP
                /* uninitialize packet capture framework */
                rte_pdump_uninit();
 #endif
-#ifdef RTE_LIBRTE_LATENCY_STATS
-               rte_latencystats_uninit();
+#ifdef RTE_LIB_LATENCYSTATS
+               if (latencystats_enabled != 0)
+                       rte_latencystats_uninit();
 #endif
                force_quit();
                /* Set flag to indicate the force termination. */
                f_quit = 1;
                /* exit with the expected status */
+#ifndef RTE_EXEC_ENV_WINDOWS
                signal(signum, SIG_DFL);
                kill(getpid(), signum);
+#endif
        }
 }
 
@@ -2627,30 +4090,58 @@ main(int argc, char** argv)
 {
        int diag;
        portid_t port_id;
+       uint16_t count;
        int ret;
 
        signal(SIGINT, signal_handler);
        signal(SIGTERM, signal_handler);
 
-       diag = rte_eal_init(argc, argv);
-       if (diag < 0)
-               rte_panic("Cannot init EAL\n");
-
        testpmd_logtype = rte_log_register("testpmd");
        if (testpmd_logtype < 0)
-               rte_panic("Cannot register log type");
+               rte_exit(EXIT_FAILURE, "Cannot register log type");
        rte_log_set_level(testpmd_logtype, RTE_LOG_DEBUG);
 
+       diag = rte_eal_init(argc, argv);
+       if (diag < 0)
+               rte_exit(EXIT_FAILURE, "Cannot init EAL: %s\n",
+                        rte_strerror(rte_errno));
+
+       ret = register_eth_event_callback();
+       if (ret != 0)
+               rte_exit(EXIT_FAILURE, "Cannot register for ethdev events");
+
+#ifdef RTE_LIB_PDUMP
+       /* initialize packet capture framework */
+       rte_pdump_init();
+#endif
+
+       count = 0;
+       RTE_ETH_FOREACH_DEV(port_id) {
+               ports_ids[count] = port_id;
+               count++;
+       }
+       nb_ports = (portid_t) count;
+       if (nb_ports == 0)
+               TESTPMD_LOG(WARNING, "No probed ethernet devices\n");
+
+       /* allocate port structures, and init them */
+       init_port();
+
+       set_def_fwd_config();
+       if (nb_lcores == 0)
+               rte_exit(EXIT_FAILURE, "No cores defined for forwarding\n"
+                        "Check the core mask argument\n");
+
        /* Bitrate/latency stats disabled by default */
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
        bitrate_enabled = 0;
 #endif
-#ifdef RTE_LIBRTE_LATENCY_STATS
+#ifdef RTE_LIB_LATENCYSTATS
        latencystats_enabled = 0;
 #endif
 
        /* on FreeBSD, mlockall() is disabled by default */
-#ifdef RTE_EXEC_ENV_BSDAPP
+#ifdef RTE_EXEC_ENV_FREEBSD
        do_mlockall = 0;
 #else
        do_mlockall = 1;
@@ -2661,82 +4152,87 @@ main(int argc, char** argv)
        if (argc > 1)
                launch_args_parse(argc, argv);
 
+#ifndef RTE_EXEC_ENV_WINDOWS
        if (do_mlockall && mlockall(MCL_CURRENT | MCL_FUTURE)) {
                TESTPMD_LOG(NOTICE, "mlockall() failed with error \"%s\"\n",
                        strerror(errno));
        }
-
-#ifdef RTE_LIBRTE_PDUMP
-       /* initialize packet capture framework */
-       rte_pdump_init(NULL);
 #endif
 
-       nb_ports = (portid_t) rte_eth_dev_count_avail();
-       if (nb_ports == 0)
-               TESTPMD_LOG(WARNING, "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");
-
        if (tx_first && interactive)
                rte_exit(EXIT_FAILURE, "--tx-first cannot be used on "
                                "interactive mode.\n");
 
        if (tx_first && lsc_interrupt) {
-               printf("Warning: lsc_interrupt needs to be off when "
-                               " using tx_first. Disabling.\n");
+               fprintf(stderr,
+                       "Warning: lsc_interrupt needs to be off when using tx_first. Disabling.\n");
                lsc_interrupt = 0;
        }
 
        if (!nb_rxq && !nb_txq)
-               printf("Warning: Either rx or tx queues should be non-zero\n");
+               fprintf(stderr,
+                       "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);
+               fprintf(stderr,
+                       "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 (hot_plug) {
-               /* enable hot plug monitoring */
+               ret = rte_dev_hotplug_handle_enable();
+               if (ret) {
+                       RTE_LOG(ERR, EAL,
+                               "fail to enable hotplug handling.");
+                       return -1;
+               }
+
                ret = rte_dev_event_monitor_start();
                if (ret) {
-                       rte_errno = EINVAL;
+                       RTE_LOG(ERR, EAL,
+                               "fail to start device event monitoring.");
                        return -1;
                }
-               eth_dev_event_callback_register();
 
+               ret = rte_dev_event_callback_register(NULL,
+                       dev_event_callback, NULL);
+               if (ret) {
+                       RTE_LOG(ERR, EAL,
+                               "fail  to register device event callback\n");
+                       return -1;
+               }
        }
 
-       if (start_port(RTE_PORT_ALL) != 0)
+       if (!no_device_start && start_port(RTE_PORT_ALL) != 0)
                rte_exit(EXIT_FAILURE, "Start ports failed\n");
 
        /* set all ports to promiscuous mode by default */
-       RTE_ETH_FOREACH_DEV(port_id)
-               rte_eth_promiscuous_enable(port_id);
+       RTE_ETH_FOREACH_DEV(port_id) {
+               ret = rte_eth_promiscuous_enable(port_id);
+               if (ret != 0)
+                       fprintf(stderr,
+                               "Error during enabling promiscuous mode for port %u: %s - ignore\n",
+                               port_id, rte_strerror(-ret));
+       }
 
        /* Init metrics library */
        rte_metrics_init(rte_socket_id());
 
-#ifdef RTE_LIBRTE_LATENCY_STATS
+#ifdef RTE_LIB_LATENCYSTATS
        if (latencystats_enabled != 0) {
                int ret = rte_latencystats_init(1, NULL);
                if (ret)
-                       printf("Warning: latencystats init()"
-                               " returned error %d\n", ret);
-               printf("Latencystats running on lcore %d\n",
+                       fprintf(stderr,
+                               "Warning: latencystats init() returned error %d\n",
+                               ret);
+               fprintf(stderr, "Latencystats running on lcore %d\n",
                        latencystats_lcore_id);
        }
 #endif
 
        /* Setup bitrate stats */
-#ifdef RTE_LIBRTE_BITRATE
+#ifdef RTE_LIB_BITRATESTATS
        if (bitrate_enabled != 0) {
                bitrate_data = rte_stats_bitrate_create();
                if (bitrate_data == NULL)
@@ -2745,8 +4241,7 @@ main(int argc, char** argv)
                rte_stats_bitrate_reg(bitrate_data);
        }
 #endif
-
-#ifdef RTE_LIBRTE_CMDLINE
+#ifdef RTE_LIB_CMDLINE
        if (strlen(cmdline_filename) != 0)
                cmdline_read_from_file(cmdline_filename);
 
@@ -2785,7 +4280,7 @@ main(int argc, char** argv)
                                }
                                /* Sleep to avoid unnecessary checks */
                                prev_time = cur_time;
-                               sleep(1);
+                               rte_delay_us_sleep(US_PER_S);
                        }
                }
 
@@ -2796,5 +4291,10 @@ main(int argc, char** argv)
                        return 1;
        }
 
-       return 0;
+       ret = rte_eal_cleanup();
+       if (ret != 0)
+               rte_exit(EXIT_FAILURE,
+                        "EAL cleanup failed: %s\n", strerror(-ret));
+
+       return EXIT_SUCCESS;
 }