app/testpmd: add forwarding engine for shared Rx queue
[dpdk.git] / app / test-pmd / testpmd.c
index 33a060d..6d5bbc8 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>
@@ -60,6 +62,9 @@
 #ifdef RTE_LIB_LATENCYSTATS
 #include <rte_latencystats.h>
 #endif
+#ifdef RTE_EXEC_ENV_WINDOWS
+#include <process.h>
+#endif
 
 #include "testpmd.h"
 
@@ -183,6 +188,7 @@ struct fwd_engine * fwd_engines[] = {
 #ifdef RTE_LIBRTE_IEEE1588
        &ieee1588_fwd_engine,
 #endif
+       &shared_rxq_engine,
        NULL,
 };
 
@@ -203,12 +209,22 @@ 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.
@@ -240,14 +256,13 @@ 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.
  */
@@ -442,10 +457,7 @@ lcoreid_t latencystats_lcore_id = -1;
 /*
  * Ethernet device configuration.
  */
-struct rte_eth_rxmode rx_mode = {
-       .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
-               /**< Default maximum frame length. */
-};
+struct rte_eth_rxmode rx_mode;
 
 struct rte_eth_txmode tx_mode = {
        .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
@@ -491,6 +503,11 @@ uint8_t record_core_cycles;
  */
 uint8_t record_burst_stats;
 
+/*
+ * Number of ports per shared Rx queue group, 0 disable.
+ */
+uint32_t rxq_share;
+
 unsigned int num_sockets = 0;
 unsigned int socket_ids[RTE_MAX_NUMA_NODES];
 
@@ -509,6 +526,121 @@ uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES;
  */
 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 setup_attached_port(portid_t pi);
 static void check_all_ports_link_status(uint32_t port_mask);
@@ -518,6 +650,7 @@ static int eth_event_callback(portid_t port_id,
 static void dev_event_callback(const char *device_name,
                                enum rte_dev_event_type type,
                                void *param);
+static void fill_xstats_display_info(void);
 
 /*
  * Check if all the ports are started.
@@ -531,6 +664,7 @@ 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.
  * If yes, return positive value. If not, return zero.
@@ -623,6 +757,7 @@ set_def_fwd_config(void)
        set_default_fwd_ports_config();
 }
 
+#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)
@@ -845,16 +980,23 @@ dma_unmap_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
        int ret;
 
        RTE_ETH_FOREACH_DEV(pid) {
-               struct rte_eth_dev *dev =
-                       &rte_eth_devices[pid];
+               struct rte_eth_dev_info dev_info;
 
-               ret = rte_dev_dma_unmap(dev->device, memhdr->addr, 0,
-                                       memhdr->len);
+               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->data->name);
+                                   memhdr->addr, dev_info.device->name);
                }
        }
        ret = rte_extmem_unregister(memhdr->addr, memhdr->len);
@@ -880,19 +1022,26 @@ dma_map_cb(struct rte_mempool *mp __rte_unused, void *opaque __rte_unused,
                return;
        }
        RTE_ETH_FOREACH_DEV(pid) {
-               struct rte_eth_dev *dev =
-                       &rte_eth_devices[pid];
+               struct rte_eth_dev_info dev_info;
 
-               ret = rte_dev_dma_map(dev->device, memhdr->addr, 0,
-                                     memhdr->len);
+               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->data->name);
+                                   memhdr->addr, dev_info.device->name);
                }
        }
 }
+#endif
 
 static unsigned int
 setup_extbuf(uint32_t nb_mbufs, uint16_t mbuf_sz, unsigned int socket_id,
@@ -963,10 +1112,20 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
 {
        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",
@@ -982,6 +1141,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned 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,
@@ -1022,6 +1182,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                                        heap_socket);
                        break;
                }
+#endif
        case MP_ALLOC_XBUF:
                {
                        struct rte_pktmbuf_extmem *ext_mem;
@@ -1048,7 +1209,9 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                }
        }
 
+#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",
@@ -1070,10 +1233,8 @@ check_socket_id(const unsigned int socket_id)
 
        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");
+                       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;
        }
@@ -1120,11 +1281,9 @@ check_nb_rxq(queueid_t rxq)
 
        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);
+               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;
@@ -1170,11 +1329,9 @@ 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;
@@ -1245,21 +1402,17 @@ check_nb_rxd(queueid_t rxd)
 
        allowed_max_rxd = get_allowed_max_nb_rxd(&pid);
        if (rxd > allowed_max_rxd) {
-               printf("Fail: input rxd (%u) can't be greater "
-                      "than max_rxds (%u) of port %u\n",
-                      rxd,
-                      allowed_max_rxd,
-                      pid);
+               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) {
-               printf("Fail: input rxd (%u) can't be less "
-                      "than min_rxds (%u) of port %u\n",
-                      rxd,
-                      allowed_min_rxd,
-                      pid);
+               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;
        }
 
@@ -1330,21 +1483,17 @@ check_nb_txd(queueid_t txd)
 
        allowed_max_txd = get_allowed_max_nb_txd(&pid);
        if (txd > allowed_max_txd) {
-               printf("Fail: input txd (%u) can't be greater "
-                      "than max_txds (%u) of port %u\n",
-                      txd,
-                      allowed_max_txd,
-                      pid);
+               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) {
-               printf("Fail: input txd (%u) can't be less "
-                      "than min_txds (%u) of port %u\n",
-                      txd,
-                      allowed_min_txd,
-                      pid);
+               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;
@@ -1390,31 +1539,102 @@ check_nb_hairpinq(queueid_t hairpinq)
 
        allowed_max_hairpinq = get_allowed_max_nb_hairpinq(&pid);
        if (hairpinq > allowed_max_hairpinq) {
-               printf("Fail: input hairpin (%u) can't be greater "
-                      "than max_hairpin_queues (%u) of port %u\n",
-                      hairpinq, allowed_max_hairpinq, pid);
+               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;
-       uint16_t data_size;
-       bool warning = 0;
-       int k;
-       int ret;
-
-       memset(port_per_socket,0,RTE_MAX_NUMA_NODES);
 
        /* Configuration of logical cores. */
        fwd_lcores = rte_zmalloc("testpmd: fwd_lcores",
@@ -1436,25 +1656,12 @@ 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;
-
-               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");
+               uint32_t socket_id;
 
-               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);
+                       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,
@@ -1462,45 +1669,14 @@ init_config(void)
                                 */
                                if (check_socket_id(socket_id) < 0)
                                        socket_id = socket_ids[0];
-                               port_per_socket[socket_id]++;
-                       }
-               }
-
-               /* Apply Rx offloads configuration */
-               for (k = 0; k < port->dev_info.max_rx_queues; k++)
-                       port->rx_conf[k].offloads =
-                               port->dev_conf.rxmode.offloads;
-               /* Apply Tx offloads configuration */
-               for (k = 0; k < port->dev_info.max_tx_queues; k++)
-                       port->tx_conf[k].offloads =
-                               port->dev_conf.txmode.offloads;
-
-               /* set flag to initialize port/queue */
-               port->need_reconfig = 1;
-               port->need_reconfig_queues = 1;
-               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) {
-                       data_size = rx_mode.max_rx_pkt_len /
-                               port->dev_info.rx_desc_lim.nb_mtu_seg_max;
-
-                       if ((data_size + RTE_PKTMBUF_HEADROOM) >
-                                                       mbuf_data_size[0]) {
-                               mbuf_data_size[0] = data_size +
-                                                RTE_PKTMBUF_HEADROOM;
-                               warning = 1;
                        }
+               } else {
+                       socket_id = (socket_num == UMA_NO_CONFIG) ?
+                                   0 : socket_num;
                }
+               /* Apply default TxRx configuration for all ports */
+               init_config_port_offloads(pid, socket_id);
        }
-
-       if (warning)
-               TESTPMD_LOG(WARNING,
-                           "Configured mbuf size of the first segment %hu\n",
-                           mbuf_data_size[0]);
        /*
         * Create pools of mbuf.
         * If NUMA support is disabled, create a single pool of mbuf in
@@ -1562,10 +1738,6 @@ init_config(void)
                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 */
@@ -1587,21 +1759,8 @@ init_config(void)
 void
 reconfig(portid_t new_port_id, unsigned socket_id)
 {
-       struct rte_port *port;
-       int ret;
-
        /* Reconfiguration of Ethernet ports. */
-       port = &ports[new_port_id];
-
-       ret = eth_dev_info_get_print_err(new_port_id, &port->dev_info);
-       if (ret != 0)
-               return;
-
-       /* 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();
 }
 
@@ -1618,15 +1777,15 @@ 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) {
@@ -1653,7 +1812,8 @@ 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);
@@ -1787,6 +1947,8 @@ fwd_stream_stats_display(streamid_t stream_id)
                       " 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");
        }
@@ -1809,6 +1971,7 @@ fwd_stats_display(void)
                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;
@@ -1841,6 +2004,8 @@ fwd_stats_display(void)
                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;
@@ -1872,13 +2037,16 @@ fwd_stats_display(void)
                       "RX-total: %-"PRIu64"\n", stats.ipackets, stats.imissed,
                       stats.ipackets + stats.imissed);
 
-               if (cur_fwd_eng == &csum_fwd_engine)
+               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);
@@ -1956,6 +2124,7 @@ fwd_stats_reset(void)
                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));
@@ -1976,6 +2145,11 @@ 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 */
 
@@ -2084,16 +2258,10 @@ 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]);
-       }
        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())) {
@@ -2101,8 +2269,9 @@ 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);
                }
        }
 }
@@ -2115,9 +2284,7 @@ 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;
 
        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");
@@ -2133,48 +2300,53 @@ 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();
 
        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);
@@ -2198,7 +2370,7 @@ stop_packet_forwarding(void)
        int i;
 
        if (test_done) {
-               printf("Packet forwarding not started\n");
+               fprintf(stderr, "Packet forwarding not started\n");
                return;
        }
        printf("Telling cores to stop...");
@@ -2224,14 +2396,14 @@ 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
@@ -2352,10 +2524,10 @@ setup_hairpin_queues(portid_t pi, portid_t p_pi, uint16_t cnt_pi)
                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 hairpin "
-                               "queues\n", pi);
+                       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;
@@ -2375,10 +2547,10 @@ setup_hairpin_queues(portid_t pi, portid_t p_pi, uint16_t cnt_pi)
                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 hairpin "
-                               "queues\n", pi);
+                       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;
@@ -2431,6 +2603,108 @@ rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id,
        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 (xstats_display_num == 0)
+               return 0;
+
+       *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
 start_port(portid_t pid)
 {
@@ -2444,14 +2718,11 @@ start_port(portid_t pid)
        int peer_pi;
        queueid_t qi;
        struct rte_port *port;
-       struct rte_ether_addr mac_addr;
        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;
@@ -2460,18 +2731,22 @@ 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;
                                }
                        }
@@ -2480,26 +2755,60 @@ start_port(portid_t pid)
                                        port->socket_id);
                        if (nb_hairpinq > 0 &&
                            rte_eth_dev_hairpin_capability_get(pi, &cap)) {
-                               printf("Port %d doesn't support hairpin "
-                                      "queues\n", pi);
+                               fprintf(stderr,
+                                       "Port %d doesn't support hairpin queues\n",
+                                       pi);
                                return -1;
                        }
+
                        /* configure port */
-                       diag = rte_eth_dev_configure(pi, nb_rxq + nb_hairpinq,
+                       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++) {
@@ -2522,10 +2831,12 @@ 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;
@@ -2538,9 +2849,8 @@ start_port(portid_t pid)
                                                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;
                                        }
@@ -2555,9 +2865,8 @@ start_port(portid_t pid)
                                                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;
                                        }
@@ -2574,10 +2883,12 @@ 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;
@@ -2591,35 +2902,37 @@ start_port(portid_t pid)
                        diag = rte_eth_dev_set_ptypes(pi, RTE_PTYPE_UNKNOWN,
                                        NULL, 0);
                        if (diag < 0)
-                               printf(
-                               "Port %d: Failed to disable Ptype parsing\n",
-                               pi);
+                               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);
 
-               if (eth_macaddr_get_print_err(pi, &mac_addr) == 0)
-                       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;
@@ -2630,7 +2943,7 @@ start_port(portid_t pid)
        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;
@@ -2649,10 +2962,10 @@ start_port(portid_t pid)
                                        continue;
                                diag = rte_eth_hairpin_bind(pi, peer_pl[j]);
                                if (diag < 0) {
-                                       printf("Error during binding hairpin"
-                                              " Tx port %u to %u: %s\n",
-                                              pi, peer_pl[j],
-                                              rte_strerror(-diag));
+                                       fprintf(stderr,
+                                               "Error during binding hairpin Tx port %u to %u: %s\n",
+                                               pi, peer_pl[j],
+                                               rte_strerror(-diag));
                                        return -1;
                                }
                        }
@@ -2666,16 +2979,18 @@ start_port(portid_t pid)
                                        continue;
                                diag = rte_eth_hairpin_bind(peer_pl[j], pi);
                                if (diag < 0) {
-                                       printf("Error during binding hairpin"
-                                              " Tx port %u to %u: %s\n",
-                                              peer_pl[j], pi,
-                                              rte_strerror(-diag));
+                                       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;
 }
@@ -2689,11 +3004,6 @@ stop_port(portid_t pid)
        portid_t peer_pl[RTE_MAX_ETHPORTS];
        int peer_pi;
 
-       if (dcb_test) {
-               dcb_test = 0;
-               dcb_config = 0;
-       }
-
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return;
 
@@ -2704,12 +3014,16 @@ 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;
                }
 
@@ -2734,13 +3048,17 @@ stop_port(portid_t pid)
                        }
                }
 
-               if (rte_eth_dev_stop(pi) != 0)
+               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)
@@ -2787,24 +3105,33 @@ 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);
+                       fprintf(stderr, "Port %d is already closed\n", pi);
                        continue;
                }
 
-               port_flow_flush(pi);
-               rte_eth_dev_close(pi);
+               if (is_proc_primary()) {
+                       port_flow_flush(pi);
+                       port_flex_item_flush(pi);
+                       rte_eth_dev_close(pi);
+               }
+
+               free_xstats_display_info(pi);
        }
 
        remove_invalid_ports();
@@ -2823,7 +3150,8 @@ reset_port(portid_t pid)
 
        if ((pid == (portid_t)RTE_PORT_ALL && !all_ports_stopped()) ||
                (pid != (portid_t)RTE_PORT_ALL && !port_is_stopped(pid))) {
-               printf("Can not reset port(s), please stop port(s) first.\n");
+               fprintf(stderr,
+                       "Can not reset port(s), please stop port(s) first.\n");
                return;
        }
 
@@ -2834,14 +3162,16 @@ 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;
                }
 
@@ -2851,7 +3181,8 @@ reset_port(portid_t pid)
                        port->need_reconfig = 1;
                        port->need_reconfig_queues = 1;
                } else {
-                       printf("Failed to reset port %d. diag=%d\n", pi, diag);
+                       fprintf(stderr, "Failed to reset port %d. diag=%d\n",
+                               pi, diag);
                }
        }
 
@@ -2867,7 +3198,7 @@ attach_port(char *identifier)
        printf("Attaching a new port...\n");
 
        if (identifier == NULL) {
-               printf("Invalid parameters are specified\n");
+               fprintf(stderr, "Invalid parameters are specified\n");
                return;
        }
 
@@ -2908,7 +3239,8 @@ setup_attached_port(portid_t pi)
        reconfig(pi, socket_id);
        ret = rte_eth_promiscuous_enable(pi);
        if (ret != 0)
-               printf("Error during enabling promiscuous mode for port %u: %s - ignore\n",
+               fprintf(stderr,
+                       "Error during enabling promiscuous mode for port %u: %s - ignore\n",
                        pi, rte_strerror(-ret));
 
        ports_ids[nb_ports++] = pi;
@@ -2927,7 +3259,7 @@ detach_device(struct rte_device *dev)
        portid_t sibling;
 
        if (dev == NULL) {
-               printf("Device already removed\n");
+               fprintf(stderr, "Device already removed\n");
                return;
        }
 
@@ -2936,7 +3268,8 @@ detach_device(struct rte_device *dev)
        RTE_ETH_FOREACH_DEV_OF(sibling, dev) {
                if (ports[sibling].port_status != RTE_PORT_CLOSED) {
                        if (ports[sibling].port_status != RTE_PORT_STOPPED) {
-                               printf("Port %u not stopped\n", sibling);
+                               fprintf(stderr, "Port %u not stopped\n",
+                                       sibling);
                                return;
                        }
                        port_flow_flush(sibling);
@@ -2958,18 +3291,28 @@ detach_device(struct rte_device *dev)
 void
 detach_port_device(portid_t port_id)
 {
+       int ret;
+       struct rte_eth_dev_info dev_info;
+
        if (port_id_is_invalid(port_id, ENABLED_WARN))
                return;
 
        if (ports[port_id].port_status != RTE_PORT_CLOSED) {
                if (ports[port_id].port_status != RTE_PORT_STOPPED) {
-                       printf("Port not stopped\n");
+                       fprintf(stderr, "Port not stopped\n");
                        return;
                }
-               printf("Port was not closed\n");
+               fprintf(stderr, "Port was not closed\n");
        }
 
-       detach_device(rte_eth_devices[port_id].device);
+       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
@@ -2983,17 +3326,17 @@ detach_devargs(char *identifier)
 
        memset(&da, 0, sizeof(da));
        if (rte_devargs_parsef(&da, "%s", identifier)) {
-               printf("cannot parse identifier\n");
-               if (da.args)
-                       free(da.args);
+               fprintf(stderr, "cannot parse identifier\n");
                return;
        }
 
        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) {
-                               printf("Port %u not stopped\n", port_id);
+                               fprintf(stderr, "Port %u not stopped\n",
+                                       port_id);
                                rte_eth_iterator_cleanup(&iterator);
+                               rte_devargs_reset(&da);
                                return;
                        }
                        port_flow_flush(port_id);
@@ -3003,6 +3346,7 @@ detach_devargs(char *identifier)
        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;
        }
 
@@ -3011,6 +3355,7 @@ detach_devargs(char *identifier)
        printf("Device %s is detached\n", identifier);
        printf("Now total ports is %d\n", nb_ports);
        printf("Done\n");
+       rte_devargs_reset(&da);
 }
 
 void
@@ -3023,6 +3368,7 @@ pmd_test_exit(void)
        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)
@@ -3030,6 +3376,7 @@ pmd_test_exit(void)
                                                     NULL);
                }
        }
+#endif
        if (ports != NULL) {
                no_link_check = 1;
                RTE_ETH_FOREACH_DEV(pt_id) {
@@ -3069,8 +3416,9 @@ pmd_test_exit(void)
        }
        for (i = 0 ; i < RTE_DIM(mempools) ; i++) {
                if (mempools[i])
-                       rte_mempool_free(mempools[i]);
+                       mempool_free_mp(mempools[i]);
        }
+       free(xstats_display);
 
        printf("\nBye...\n");
 }
@@ -3105,7 +3453,8 @@ check_all_ports_link_status(uint32_t port_mask)
                        if (ret < 0) {
                                all_ports_up = 0;
                                if (print_flag == 1)
-                                       printf("Port %u link get failed: %s\n",
+                                       fprintf(stderr,
+                                               "Port %u link get failed: %s\n",
                                                portid, rte_strerror(-ret));
                                continue;
                        }
@@ -3147,7 +3496,8 @@ rmv_port_callback(void *arg)
        int need_to_start = 0;
        int org_no_link_check = no_link_check;
        portid_t port_id = (intptr_t)arg;
-       struct rte_device *dev;
+       struct rte_eth_dev_info dev_info;
+       int ret;
 
        RTE_ETH_VALID_PORTID_OR_RET(port_id);
 
@@ -3159,11 +3509,16 @@ rmv_port_callback(void *arg)
        stop_port(port_id);
        no_link_check = org_no_link_check;
 
-       /* Save rte_device pointer before closing ethdev port */
-       dev = rte_eth_devices[port_id].device;
-       close_port(port_id);
-       detach_device(dev); /* might be already removed or have more ports */
-
+       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);
 }
@@ -3177,7 +3532,8 @@ eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
        RTE_SET_USED(ret_param);
 
        if (type >= RTE_ETH_EVENT_MAX) {
-               fprintf(stderr, "\nPort %" PRIu16 ": %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)) {
@@ -3196,7 +3552,8 @@ eth_event_callback(portid_t port_id, enum rte_eth_event_type type, void *param,
                        break;
                if (rte_eal_alarm_set(100000,
                                rmv_port_callback, (void *)(intptr_t)port_id))
-                       fprintf(stderr, "Could not set up deferred device removal\n");
+                       fprintf(stderr,
+                               "Could not set up deferred device removal\n");
                break;
        case RTE_ETH_EVENT_DESTROY:
                ports[port_id].port_status = RTE_PORT_CLOSED;
@@ -3281,14 +3638,23 @@ dev_event_callback(const char *device_name, enum rte_dev_event_type type,
 }
 
 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;
 
@@ -3337,12 +3703,50 @@ 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;
-       int ret;
+       int ret, i;
 
        RTE_ETH_FOREACH_DEV(pid) {
                port = &ports[pid];
@@ -3362,15 +3766,24 @@ init_port_config(void)
                }
 
                if (port->dcb_flag == 0) {
-                       if( port->dev_conf.rx_adv_conf.rss_conf.rss_hf != 0)
+                       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
+                       } 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);
 
                ret = eth_macaddr_get_print_err(pid, &port->eth_addr);
                if (ret != 0)
@@ -3380,13 +3793,9 @@ init_port_config(void)
                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;
        }
 }
@@ -3410,10 +3819,19 @@ 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;
 }
@@ -3516,14 +3934,14 @@ 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(pid, &port_conf, dcb_mode, num_tcs, pfc_en);
@@ -3545,8 +3963,9 @@ init_port_dcb_config(portid_t pid,
         */
        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;
        }
 
@@ -3576,7 +3995,7 @@ 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++)
@@ -3588,6 +4007,9 @@ init_port_dcb_config(portid_t pid,
 
        rte_port->dcb_flag = 1;
 
+       /* Enter DCB configuration status */
+       dcb_config = 1;
+
        return 0;
 }
 
@@ -3605,6 +4027,8 @@ 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 */
@@ -3641,8 +4065,8 @@ static void
 signal_handler(int signum)
 {
        if (signum == SIGINT || signum == SIGTERM) {
-               printf("\nSignal %d received, preparing to exit...\n",
-                               signum);
+               fprintf(stderr, "\nSignal %d received, preparing to exit...\n",
+                       signum);
 #ifdef RTE_LIB_PDUMP
                /* uninitialize packet capture framework */
                rte_pdump_uninit();
@@ -3655,8 +4079,10 @@ signal_handler(int signum)
                /* 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
        }
 }
 
@@ -3681,10 +4107,6 @@ main(int argc, char** argv)
                rte_exit(EXIT_FAILURE, "Cannot init EAL: %s\n",
                         rte_strerror(rte_errno));
 
-       if (rte_eal_process_type() == RTE_PROC_SECONDARY)
-               rte_exit(EXIT_FAILURE,
-                        "Secondary process type not supported.\n");
-
        ret = register_eth_event_callback();
        if (ret != 0)
                rte_exit(EXIT_FAILURE, "Cannot register for ethdev events");
@@ -3731,28 +4153,31 @@ 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));
        }
+#endif
 
        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();
 
@@ -3787,7 +4212,8 @@ main(int argc, char** argv)
        RTE_ETH_FOREACH_DEV(port_id) {
                ret = rte_eth_promiscuous_enable(port_id);
                if (ret != 0)
-                       printf("Error during enabling promiscuous mode for port %u: %s - ignore\n",
+                       fprintf(stderr,
+                               "Error during enabling promiscuous mode for port %u: %s - ignore\n",
                                port_id, rte_strerror(-ret));
        }
 
@@ -3798,9 +4224,10 @@ main(int argc, char** argv)
        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
@@ -3815,7 +4242,6 @@ main(int argc, char** argv)
                rte_stats_bitrate_reg(bitrate_data);
        }
 #endif
-
 #ifdef RTE_LIB_CMDLINE
        if (strlen(cmdline_filename) != 0)
                cmdline_read_from_file(cmdline_filename);
@@ -3855,7 +4281,7 @@ main(int argc, char** argv)
                                }
                                /* Sleep to avoid unnecessary checks */
                                prev_time = cur_time;
-                               sleep(1);
+                               rte_delay_us_sleep(US_PER_S);
                        }
                }