ethdev: move egress metadata to dynamic field
[dpdk.git] / app / test-pmd / testpmd.c
index 05a3dce..5ba9741 100644 (file)
@@ -27,7 +27,6 @@
 #include <rte_log.h>
 #include <rte_debug.h>
 #include <rte_cycles.h>
-#include <rte_malloc_heap.h>
 #include <rte_memory.h>
 #include <rte_memcpy.h>
 #include <rte_launch.h>
@@ -137,7 +136,7 @@ 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;
 
 /*
@@ -188,6 +187,9 @@ struct fwd_engine * fwd_engines[] = {
        NULL,
 };
 
+struct rte_mempool *mempools[RTE_MAX_NUMA_NODES];
+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;
@@ -217,6 +219,9 @@ 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. */
+
 uint16_t nb_pkt_per_burst = DEF_PKT_BURST; /**< Number of packets per burst. */
 uint16_t mb_mempool_cache = DEF_MBUF_CACHE; /**< Size of mbuf mempool cache. */
 
@@ -333,6 +338,11 @@ 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
  */
@@ -407,7 +417,8 @@ 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. */
+       .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
+               /**< Default maximum frame length. */
 };
 
 struct rte_eth_txmode tx_mode = {
@@ -466,41 +477,6 @@ uint8_t bitrate_enabled;
 struct gro_status gro_ports[RTE_MAX_ETHPORTS];
 uint8_t gro_flush_cycles = GRO_DEFAULT_FLUSH_CYCLES;
 
-struct vxlan_encap_conf vxlan_encap_conf = {
-       .select_ipv4 = 1,
-       .select_vlan = 0,
-       .select_tos_ttl = 0,
-       .vni = "\x00\x00\x00",
-       .udp_src = 0,
-       .udp_dst = RTE_BE16(4789),
-       .ipv4_src = IPv4(127, 0, 0, 1),
-       .ipv4_dst = IPv4(255, 255, 255, 255),
-       .ipv6_src = "\x00\x00\x00\x00\x00\x00\x00\x00"
-               "\x00\x00\x00\x00\x00\x00\x00\x01",
-       .ipv6_dst = "\x00\x00\x00\x00\x00\x00\x00\x00"
-               "\x00\x00\x00\x00\x00\x00\x11\x11",
-       .vlan_tci = 0,
-       .ip_tos = 0,
-       .ip_ttl = 255,
-       .eth_src = "\x00\x00\x00\x00\x00\x00",
-       .eth_dst = "\xff\xff\xff\xff\xff\xff",
-};
-
-struct nvgre_encap_conf nvgre_encap_conf = {
-       .select_ipv4 = 1,
-       .select_vlan = 0,
-       .tni = "\x00\x00\x00",
-       .ipv4_src = IPv4(127, 0, 0, 1),
-       .ipv4_dst = IPv4(255, 255, 255, 255),
-       .ipv6_src = "\x00\x00\x00\x00\x00\x00\x00\x00"
-               "\x00\x00\x00\x00\x00\x00\x00\x01",
-       .ipv6_dst = "\x00\x00\x00\x00\x00\x00\x00\x00"
-               "\x00\x00\x00\x00\x00\x00\x11\x11",
-       .vlan_tci = 0,
-       .eth_src = "\x00\x00\x00\x00\x00\x00",
-       .eth_dst = "\xff\xff\xff\xff\xff\xff",
-};
-
 /* Forward function declarations */
 static void setup_attached_port(portid_t pi);
 static void map_port_queue_stats_mapping_registers(portid_t pi,
@@ -520,7 +496,7 @@ static void dev_event_callback(const char *device_name,
 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;
 
 /*
  * Helper function to check if socket is already discovered.
@@ -576,7 +552,7 @@ 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;
        }
 }
@@ -828,11 +804,67 @@ setup_extmem(uint32_t nb_mbufs, uint32_t mbuf_sz, bool huge)
 
        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 *dev =
+                       &rte_eth_devices[pid];
+
+               ret = rte_dev_dma_unmap(dev->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);
+               }
+       }
+       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 *dev =
+                       &rte_eth_devices[pid];
+
+               ret = rte_dev_dma_map(dev->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);
+               }
+       }
+}
 
 /*
  * Configuration initialisation done once at init time.
  */
-static void
+static struct rte_mempool *
 mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                 unsigned int socket_id)
 {
@@ -862,7 +894,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                        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, 0);
+                               socket_id, mempool_flags);
                        if (rte_mp == NULL)
                                goto err;
 
@@ -873,6 +905,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
                        }
                        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:
@@ -910,6 +943,7 @@ err:
        } else if (verbose_level > 0) {
                rte_mempool_dump(stdout, rte_mp);
        }
+       return rte_mp;
 }
 
 /*
@@ -942,17 +976,21 @@ queueid_t
 get_allowed_max_nb_rxq(portid_t *pid)
 {
        queueid_t allowed_max_rxq = MAX_QUEUE_ID;
+       bool max_rxq_valid = false;
        portid_t pi;
        struct rte_eth_dev_info dev_info;
 
        RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
+               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 allowed_max_rxq;
+       return max_rxq_valid ? allowed_max_rxq : 0;
 }
 
 /*
@@ -988,17 +1026,21 @@ queueid_t
 get_allowed_max_nb_txq(portid_t *pid)
 {
        queueid_t allowed_max_txq = MAX_QUEUE_ID;
+       bool max_txq_valid = false;
        portid_t pi;
        struct rte_eth_dev_info dev_info;
 
        RTE_ETH_FOREACH_DEV(pi) {
-               rte_eth_dev_info_get(pi, &dev_info);
+               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;
 }
 
 /*
@@ -1036,7 +1078,10 @@ init_config(void)
        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);
 
@@ -1064,16 +1109,16 @@ init_config(void)
                /* 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);
+
+               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;
-               if (!(port->dev_info.tx_offload_capa &
-                       DEV_TX_OFFLOAD_MATCH_METADATA))
-                       port->dev_conf.txmode.offloads &=
-                               ~DEV_TX_OFFLOAD_MATCH_METADATA;
                if (numa_support) {
                        if (port_numa[pid] != NUMA_NO_CONFIG)
                                port_per_socket[port_numa[pid]]++;
@@ -1103,8 +1148,28 @@ init_config(void)
                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) {
+                               mbuf_data_size = data_size +
+                                                RTE_PKTMBUF_HEADROOM;
+                               warning = 1;
+                       }
+               }
        }
 
+       if (warning)
+               TESTPMD_LOG(WARNING, "Configured mbuf size %hu\n",
+                           mbuf_data_size);
+
        /*
         * Create pools of mbuf.
         * If NUMA support is disabled, create a single pool of mbuf in
@@ -1127,14 +1192,18 @@ init_config(void)
                uint8_t i;
 
                for (i = 0; i < num_sockets; i++)
-                       mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
-                                        socket_ids[i]);
+                       mempools[i] = mbuf_pool_create(mbuf_data_size,
+                                                      nb_mbuf_per_pool,
+                                                      socket_ids[i]);
        } else {
                if (socket_num == UMA_NO_CONFIG)
-                       mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool, 0);
+                       mempools[0] = mbuf_pool_create(mbuf_data_size,
+                                                      nb_mbuf_per_pool, 0);
                else
-                       mbuf_pool_create(mbuf_data_size, nb_mbuf_per_pool,
-                                                socket_num);
+                       mempools[socket_num] = mbuf_pool_create
+                                                       (mbuf_data_size,
+                                                        nb_mbuf_per_pool,
+                                                        socket_num);
        }
 
        init_port_config();
@@ -1155,8 +1224,8 @@ init_config(void)
                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;
        }
 
@@ -1199,10 +1268,14 @@ 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];
-       rte_eth_dev_info_get(new_port_id, &port->dev_info);
+
+       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;
@@ -1360,91 +1433,6 @@ pkt_burst_stats_display(const char *rx_tx, struct pkt_burst_stats *pbs)
 }
 #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"Bad-outer-l4csum: %-14"PRIu64"\n",
-                              port->rx_bad_ip_csum, port->rx_bad_l4_csum,
-                              port->rx_bad_outer_l4_csum);
-               if ((stats->ierrors + stats->rx_nombuf) > 0) {
-                       printf("  RX-error: %-"PRIu64"\n",  stats->ierrors);
-                       printf("  RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf);
-               }
-
-               printf("  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
-                      "%-"PRIu64"\n",
-                      stats->opackets, port->tx_dropped,
-                      (uint64_t) (stats->opackets + port->tx_dropped));
-       }
-       else {
-               printf("  RX-packets:             %14"PRIu64"    RX-dropped:%14"PRIu64"    RX-total:"
-                      "%14"PRIu64"\n",
-                      stats->ipackets, stats->imissed,
-                      (uint64_t) (stats->ipackets + stats->imissed));
-
-               if (cur_fwd_eng == &csum_fwd_engine)
-                       printf("  Bad-ipcsum:%14"PRIu64"    Bad-l4csum:%14"PRIu64"    Bad-outer-l4csum: %-14"PRIu64"\n",
-                              port->rx_bad_ip_csum, port->rx_bad_l4_csum,
-                              port->rx_bad_outer_l4_csum);
-               if ((stats->ierrors + stats->rx_nombuf) > 0) {
-                       printf("  RX-error:%"PRIu64"\n", stats->ierrors);
-                       printf("  RX-nombufs:             %14"PRIu64"\n",
-                              stats->rx_nombuf);
-               }
-
-               printf("  TX-packets:             %14"PRIu64"    TX-dropped:%14"PRIu64"    TX-total:"
-                      "%14"PRIu64"\n",
-                      stats->opackets, port->tx_dropped,
-                      (uint64_t) (stats->opackets + port->tx_dropped));
-       }
-
-#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
-       if (port->rx_stream)
-               pkt_burst_stats_display("RX",
-                       &port->rx_stream->rx_burst_stats);
-       if (port->tx_stream)
-               pkt_burst_stats_display("TX",
-                       &port->tx_stream->tx_burst_stats);
-#endif
-
-       if (port->rx_queue_stats_mapping_enabled) {
-               printf("\n");
-               for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
-                       printf("  Stats reg %2d RX-packets:%14"PRIu64
-                              "     RX-errors:%14"PRIu64
-                              "    RX-bytes:%14"PRIu64"\n",
-                              i, stats->q_ipackets[i], stats->q_errors[i], stats->q_ibytes[i]);
-               }
-               printf("\n");
-       }
-       if (port->tx_queue_stats_mapping_enabled) {
-               for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS; i++) {
-                       printf("  Stats reg %2d TX-packets:%14"PRIu64
-                              "                                 TX-bytes:%14"PRIu64"\n",
-                              i, stats->q_opackets[i], stats->q_obytes[i]);
-               }
-       }
-
-       printf("  %s--------------------------------%s\n",
-              fwd_stats_border, fwd_stats_border);
-}
-
 static void
 fwd_stream_stats_display(streamid_t stream_id)
 {
@@ -1480,6 +1468,224 @@ fwd_stream_stats_display(streamid_t stream_id)
 #endif
 }
 
+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;
+       } 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;
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+       uint64_t fwd_cycles = 0;
+#endif
+       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;
+
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+               fwd_cycles += fs->core_cycles;
+#endif
+       }
+       for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
+               uint8_t j;
+
+               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);
+
+               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,
+                              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);
+                       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);
+               } else {
+                       printf("  RX-packets:             %14"PRIu64
+                              "    RX-dropped:%14"PRIu64
+                              "    RX-total:%14"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);
+                       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, ports_stats[pt_id].tx_dropped,
+                              stats.opackets + ports_stats[pt_id].tx_dropped);
+               }
+
+#ifdef RTE_TEST_PMD_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);
+#endif
+
+               if (port->rx_queue_stats_mapping_enabled) {
+                       printf("\n");
+                       for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
+                               printf("  Stats reg %2d RX-packets:%14"PRIu64
+                                      "     RX-errors:%14"PRIu64
+                                      "    RX-bytes:%14"PRIu64"\n",
+                                      j, stats.q_ipackets[j],
+                                      stats.q_errors[j], stats.q_ibytes[j]);
+                       }
+                       printf("\n");
+               }
+               if (port->tx_queue_stats_mapping_enabled) {
+                       for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
+                               printf("  Stats reg %2d TX-packets:%14"PRIu64
+                                      "                                 TX-bytes:%14"
+                                      PRIu64"\n",
+                                      j, stats.q_opackets[j],
+                                      stats.q_obytes[j]);
+                       }
+               }
+
+               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);
+#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
+}
+
+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;
+
+#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
+               memset(&fs->rx_burst_stats, 0, sizeof(fs->rx_burst_stats));
+               memset(&fs->tx_burst_stats, 0, sizeof(fs->tx_burst_stats));
+#endif
+#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
+               fs->core_cycles = 0;
+#endif
+       }
+}
+
 static void
 flush_fwd_rx_queues(void)
 {
@@ -1635,7 +1841,6 @@ start_packet_forwarding(int with_tx_first)
        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");
@@ -1686,32 +1891,12 @@ start_packet_forwarding(int with_tx_first)
        pkt_fwd_config_display(&cur_fwd_config);
        rxtx_config_display();
 
+       fwd_stats_reset();
        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;
-               fwd_streams[sm_id]->rx_bad_outer_l4_csum = 0;
-
-#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
-               memset(&fwd_streams[sm_id]->rx_burst_stats, 0,
-                      sizeof(fwd_streams[sm_id]->rx_burst_stats));
-               memset(&fwd_streams[sm_id]->tx_burst_stats, 0,
-                      sizeof(fwd_streams[sm_id]->tx_burst_stats));
-#endif
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-               fwd_streams[sm_id]->core_cycles = 0;
-#endif
-       }
        if (with_tx_first) {
                port_fwd_begin = tx_only_engine.port_fwd_begin;
                if (port_fwd_begin != NULL) {
@@ -1735,23 +1920,10 @@ 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;
-#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");
@@ -1769,87 +1941,9 @@ 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++) {
-               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);
-                       ports[fs->tx_port].tx_stream = NULL;
-                       ports[fs->rx_port].rx_stream = NULL;
-               } else {
-                       ports[fs->tx_port].tx_stream = fs;
-                       ports[fs->rx_port].rx_stream = fs;
-               }
-               ports[fs->tx_port].tx_dropped += fs->fwd_dropped;
-               ports[fs->rx_port].rx_bad_ip_csum += fs->rx_bad_ip_csum;
-               ports[fs->rx_port].rx_bad_l4_csum += fs->rx_bad_l4_csum;
-               ports[fs->rx_port].rx_bad_outer_l4_csum +=
-                               fs->rx_bad_outer_l4_csum;
+       fwd_stats_display();
 
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-               fwd_cycles = (uint64_t) (fwd_cycles +
-                                        fwd_streams[sm_id]->core_cycles);
-#endif
-       }
-       total_recv = 0;
-       total_xmit = 0;
-       total_rx_dropped = 0;
-       total_tx_dropped = 0;
-       total_rx_nombuf  = 0;
-       for (i = 0; i < cur_fwd_config.nb_fwd_ports; i++) {
-               pt_id = fwd_ports_ids[i];
-
-               port = &ports[pt_id];
-               rte_eth_stats_get(pt_id, &stats);
-               stats.ipackets -= port->stats.ipackets;
-               port->stats.ipackets = 0;
-               stats.opackets -= port->stats.opackets;
-               port->stats.opackets = 0;
-               stats.ibytes   -= port->stats.ibytes;
-               port->stats.ibytes = 0;
-               stats.obytes   -= port->stats.obytes;
-               port->stats.obytes = 0;
-               stats.imissed  -= port->stats.imissed;
-               port->stats.imissed = 0;
-               stats.oerrors  -= port->stats.oerrors;
-               port->stats.oerrors = 0;
-               stats.rx_nombuf -= port->stats.rx_nombuf;
-               port->stats.rx_nombuf = 0;
-
-               total_recv += stats.ipackets;
-               total_xmit += stats.opackets;
-               total_rx_dropped += stats.imissed;
-               total_tx_dropped += port->tx_dropped;
-               total_rx_nombuf  += stats.rx_nombuf;
-
-               fwd_port_stats_display(pt_id, &stats);
-       }
-
-       printf("\n  %s Accumulated forward statistics for all ports"
-              "%s\n",
-              acc_stats_border, acc_stats_border);
-       printf("  RX-packets: %-14"PRIu64" RX-dropped: %-14"PRIu64"RX-total: "
-              "%-"PRIu64"\n"
-              "  TX-packets: %-14"PRIu64" TX-dropped: %-14"PRIu64"TX-total: "
-              "%-"PRIu64"\n",
-              total_recv, total_rx_dropped, total_recv + total_rx_dropped,
-              total_xmit, total_tx_dropped, total_xmit + total_tx_dropped);
-       if (total_rx_nombuf > 0)
-               printf("  RX-nombufs: %-14"PRIu64"\n", total_rx_nombuf);
-       printf("  %s++++++++++++++++++++++++++++++++++++++++++++++"
-              "%s\n",
-              acc_stats_border, acc_stats_border);
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-       if (total_recv > 0)
-               printf("\n  CPU cycles/packet=%u (total cycles="
-                      "%"PRIu64" / total RX packets=%"PRIu64")\n",
-                      (unsigned int)(fwd_cycles / total_recv),
-                      fwd_cycles, total_recv);
-#endif
        printf("\nDone.\n");
        test_done = 1;
 }
@@ -1929,7 +2023,7 @@ start_port(portid_t pid)
        portid_t pi;
        queueid_t qi;
        struct rte_port *port;
-       struct ether_addr mac_addr;
+       struct rte_ether_addr mac_addr;
 
        if (port_id_is_invalid(pid, ENABLED_WARN))
                return 0;
@@ -2075,8 +2169,8 @@ start_port(portid_t pid)
                        RTE_PORT_HANDLING, RTE_PORT_STARTED) == 0)
                        printf("Port %d can not be set into started\n", pi);
 
-               rte_eth_macaddr_get(pi, &mac_addr);
-               printf("Port %d: %02X:%02X:%02X:%02X:%02X:%02X\n", pi,
+               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]);
@@ -2227,6 +2321,12 @@ 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))) {
+               printf("Can not reset port(s), please stop port(s) first.\n");
+               return;
+       }
+
        printf("Resetting ports...\n");
 
        RTE_ETH_FOREACH_DEV(pi) {
@@ -2271,7 +2371,7 @@ attach_port(char *identifier)
                return;
        }
 
-       if (rte_dev_probe(identifier) != 0) {
+       if (rte_dev_probe(identifier) < 0) {
                TESTPMD_LOG(ERR, "Failed to attach port %s\n", identifier);
                return;
        }
@@ -2299,13 +2399,17 @@ 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 the first available socket. */
        if (check_socket_id(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)
+               printf("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;
@@ -2341,14 +2445,11 @@ detach_port_device(portid_t port_id)
                        port_flow_flush(port_id);
        }
 
-       if (rte_dev_remove(dev) != 0) {
+       if (rte_dev_remove(dev) < 0) {
                TESTPMD_LOG(ERR, "Failed to detach device %s\n", dev->name);
                return;
        }
-
-       for (sibling = 0; sibling < RTE_MAX_ETHPORTS; sibling++) {
-               if (rte_eth_devices[sibling].device != dev)
-                       continue;
+       RTE_ETH_FOREACH_DEV_OF(sibling, dev) {
                /* reset mapping between old ports and removed device */
                rte_eth_devices[sibling].device = NULL;
                if (ports[sibling].port_status != RTE_PORT_CLOSED) {
@@ -2366,16 +2467,68 @@ detach_port_device(portid_t port_id)
        return;
 }
 
+void
+detach_device(char *identifier)
+{
+       struct rte_dev_iterator iterator;
+       struct rte_devargs da;
+       portid_t port_id;
+
+       printf("Removing a device...\n");
+
+       memset(&da, 0, sizeof(da));
+       if (rte_devargs_parsef(&da, "%s", identifier)) {
+               printf("cannot parse identifier\n");
+               if (da.args)
+                       free(da.args);
+               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);
+                               return;
+                       }
+
+                       /* sibling ports are forced to be closed */
+                       if (ports[port_id].flow_list)
+                               port_flow_flush(port_id);
+                       ports[port_id].port_status = RTE_PORT_CLOSED;
+                       printf("Port %u is now closed\n", 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);
+               return;
+       }
+
+       remove_invalid_ports();
+
+       printf("Device %s is detached\n", identifier);
+       printf("Now total ports is %d\n", nb_ports);
+       printf("Done\n");
+}
+
 void
 pmd_test_exit(void)
 {
-       struct rte_device *device;
        portid_t pt_id;
        int ret;
+       int i;
 
        if (test_done == 0)
                stop_packet_forwarding();
 
+       for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) {
+               if (mempools[i]) {
+                       if (mp_alloc_type == MP_ALLOC_ANON)
+                               rte_mempool_mem_iter(mempools[i], dma_unmap_cb,
+                                                    NULL);
+               }
+       }
        if (ports != NULL) {
                no_link_check = 1;
                RTE_ETH_FOREACH_DEV(pt_id) {
@@ -2387,18 +2540,6 @@ pmd_test_exit(void)
                        printf("\nShutting down port %d...\n", pt_id);
                        fflush(stdout);
                        close_port(pt_id);
-
-                       /*
-                        * This is a workaround to fix a virtio-user issue that
-                        * requires to call clean-up routine to remove existing
-                        * socket.
-                        * This workaround valid only for testpmd, needs a fix
-                        * valid for all applications.
-                        * TODO: Implement proper resource cleanup
-                        */
-                       device = rte_eth_devices[pt_id].device;
-                       if (device && !strcmp(device->driver->name, "net_virtio_user"))
-                               detach_port_device(pt_id);
                }
        }
 
@@ -2425,6 +2566,10 @@ pmd_test_exit(void)
                        return;
                }
        }
+       for (i = 0 ; i < RTE_MAX_NUMA_NODES ; i++) {
+               if (mempools[i])
+                       rte_mempool_free(mempools[i]);
+       }
 
        printf("\nBye...\n");
 }
@@ -2446,6 +2591,7 @@ 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;
 
        printf("Checking link statuses...\n");
        fflush(stdout);
@@ -2455,7 +2601,14 @@ 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)
+                                       printf("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)
@@ -2711,9 +2864,13 @@ static void
 rxtx_port_config(struct rte_port *port)
 {
        uint16_t qid;
+       uint64_t offloads;
 
        for (qid = 0; qid < nb_rxq; qid++) {
+               offloads = port->rx_conf[qid].offloads;
                port->rx_conf[qid] = port->dev_info.default_rxconf;
+               if (offloads != 0)
+                       port->rx_conf[qid].offloads = offloads;
 
                /* Check if any Rx parameters have been passed */
                if (rx_pthresh != RTE_PMD_PARAM_UNSET)
@@ -2735,7 +2892,10 @@ 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)
@@ -2762,11 +2922,16 @@ init_port_config(void)
 {
        portid_t pid;
        struct rte_port *port;
+       int ret;
 
        RTE_ETH_FOREACH_DEV(pid) {
                port = &ports[pid];
                port->dev_conf.fdir_conf = fdir_conf;
-               rte_eth_dev_info_get(pid, &port->dev_info);
+
+               ret = eth_dev_info_get_print_err(pid, &port->dev_info);
+               if (ret != 0)
+                       return;
+
                if (nb_rxq > 1) {
                        port->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
                        port->dev_conf.rx_adv_conf.rss_conf.rss_hf =
@@ -2785,7 +2950,9 @@ init_port_config(void)
 
                rxtx_port_config(port);
 
-               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
@@ -2938,9 +3105,13 @@ init_port_dcb_config(portid_t pid,
        port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_VLAN_FILTER;
 
        /* re-configure the device . */
-       rte_eth_dev_configure(pid, nb_rxq, nb_rxq, &port_conf);
+       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.
@@ -2984,7 +3155,10 @@ init_port_dcb_config(portid_t pid,
        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);
+       retval = eth_macaddr_get_print_err(pid, &rte_port->eth_addr);
+       if (retval != 0)
+               return retval;
+
        map_port_queue_stats_mapping_registers(pid, rte_port);
 
        rte_port->dcb_flag = 1;
@@ -3046,7 +3220,8 @@ signal_handler(int signum)
                rte_pdump_uninit();
 #endif
 #ifdef RTE_LIBRTE_LATENCY_STATS
-               rte_latencystats_uninit();
+               if (latencystats_enabled != 0)
+                       rte_latencystats_uninit();
 #endif
                force_quit();
                /* Set flag to indicate the force termination. */
@@ -3068,18 +3243,23 @@ main(int argc, char** argv)
        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));
+
+       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_panic("Cannot register for ethdev events");
+               rte_exit(EXIT_FAILURE, "Cannot register for ethdev events");
 
 #ifdef RTE_LIBRTE_PDUMP
        /* initialize packet capture framework */
@@ -3100,8 +3280,8 @@ main(int argc, char** argv)
 
        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");
+               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
@@ -3172,12 +3352,16 @@ main(int argc, char** argv)
                }
        }
 
-       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)
+                       printf("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());