Allow DPDK per interface startup config to enable/disable VLAN stripping
[vpp.git] / vnet / vnet / devices / dpdk / init.c
index db0b838..7514ff8 100644 (file)
 #include <vppinfra/vec.h>
 #include <vppinfra/error.h>
 #include <vppinfra/format.h>
+#include <vppinfra/bitmap.h>
 
 #include <vnet/ethernet/ethernet.h>
 #include <vnet/devices/dpdk/dpdk.h>
 #include <vlib/unix/physmem.h>
+#include <vlib/pci/pci.h>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -86,6 +88,11 @@ dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
     {
       rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
                                  xd->cpu_socket, &xd->tx_conf);
+
+      /* retry with any other CPU socket */
+      if (rv < 0)
+        rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
+                                   SOCKET_ID_ANY, &xd->tx_conf);
       if (rv < 0)
         break;
     }
@@ -100,6 +107,12 @@ dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
       rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
                                   xd->cpu_socket, 0,
                                   bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
+
+      /* retry with any other CPU socket */
+      if (rv < 0)
+        rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
+                                    SOCKET_ID_ANY, 0,
+                                    bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
       if (rv < 0)
         return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
                                   xd->device_index, rv);
@@ -139,8 +152,7 @@ static u32 dpdk_flag_change (vnet_main_t * vnm,
        *            driver to dynamically change the mtu.  If/when the 
        *            VIC firmware gets fixed, then this should be removed.
        */
-      if (xd->pmd == VNET_DPDK_PMD_VICE ||
-          xd->pmd == VNET_DPDK_PMD_ENIC)
+      if (xd->pmd == VNET_DPDK_PMD_ENIC)
        {
          struct rte_eth_dev_info dev_info;
 
@@ -158,23 +170,6 @@ static u32 dpdk_flag_change (vnet_main_t * vnm,
        {
          int rv;
       
-         /*
-          * DAW-FIXME: The DPDK VMXNET3 driver does not currently support
-          *            multi-buffer packets.  Max out at 1518 bytes for now.
-          *
-          *            If/when the driver gets fixed, then this should be
-          *            removed.
-          */
-         if ((xd->pmd == VNET_DPDK_PMD_VMXNET3) &&
-             (hi->max_packet_bytes > 1518))
-           {
-             hi->max_packet_bytes = 1518;
-
-             vlib_cli_output (vlib_get_main(), 
-                              "VMXNET3 driver does not  support jumbo frames "
-                              "yet -- setting mtu to 1518!");
-           }
-
          xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
 
          if (xd->admin_up)
@@ -200,10 +195,6 @@ static u32 dpdk_flag_change (vnet_main_t * vnm,
   return old;
 }
 
-#ifdef NETMAP
-extern int rte_netmap_probe(void);
-#endif
-
 void
 dpdk_device_lock_init(dpdk_device_t * xd)
 {
@@ -215,6 +206,7 @@ dpdk_device_lock_init(dpdk_device_t * xd)
                                              CLIB_CACHE_LINE_BYTES);
       memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
   }
+  xd->need_txlock = 1;
 }
 
 void
@@ -226,6 +218,7 @@ dpdk_device_lock_free(dpdk_device_t * xd)
     clib_mem_free((void *) xd->lockp[q]);
   vec_free(xd->lockp);
   xd->lockp = 0;
+  xd->need_txlock = 0;
 }
 
 static clib_error_t *
@@ -237,6 +230,7 @@ dpdk_lib_init (dpdk_main_t * dm)
   clib_error_t * error;
   vlib_main_t * vm = vlib_get_main();
   vlib_thread_main_t * tm = vlib_get_thread_main();
+  vlib_node_runtime_t * rt;
   vnet_sw_interface_t * sw;
   vnet_hw_interface_t * hi;
   dpdk_device_t * xd;
@@ -249,21 +243,13 @@ dpdk_lib_init (dpdk_main_t * dm)
   dm->input_cpu_first_index = 0;
   dm->input_cpu_count = 1;
 
+  rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
+  rt->function = dpdk_input_multiarch_select();
+
   /* find out which cpus will be used for input */
-  p = hash_get_mem (tm->thread_registrations_by_name, "io");
+  p = hash_get_mem (tm->thread_registrations_by_name, "workers");
   tr = p ? (vlib_thread_registration_t *) p[0] : 0;
 
-  if (!tr || tr->count == 0)
-    {
-      /* no io threads, workers doing input */
-      p = hash_get_mem (tm->thread_registrations_by_name, "workers");
-      tr = p ? (vlib_thread_registration_t *) p[0] : 0;
-    }
-  else
-    {
-      dm->have_io_threads = 1;
-    }
-
   if (tr && tr->count > 0)
     {
       dm->input_cpu_first_index = tr->first_index;
@@ -276,11 +262,6 @@ dpdk_lib_init (dpdk_main_t * dm)
   vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
                         CLIB_CACHE_LINE_BYTES);
 
-#ifdef NETMAP
-  if(rte_netmap_probe() < 0)
-    return clib_error_return (0, "rte netmap probe failed");
-#endif
-
   nports = rte_eth_dev_count();
   if (nports < 1) 
     {
@@ -298,24 +279,46 @@ dpdk_lib_init (dpdk_main_t * dm)
       vlib_buffer_get_or_create_free_list (
           vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
 
+  if (dm->conf->enable_tcp_udp_checksum)
+    dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
+                                  | IP_BUFFER_L4_CHECKSUM_COMPUTED);
+
   for (i = 0; i < nports; i++)
     {
       u8 addr[6];
+      u8 vlan_strip = 0;
       int j;
       struct rte_eth_dev_info dev_info;
       clib_error_t * rv;
       struct rte_eth_link l;
+      dpdk_device_config_t * devconf = 0;
+      vlib_pci_addr_t pci_addr;
+      uword * p = 0;
+
+      rte_eth_dev_info_get(i, &dev_info);
+      if (dev_info.pci_dev) /* bonded interface has no pci info */
+        {
+         pci_addr.domain = dev_info.pci_dev->addr.domain;
+         pci_addr.bus = dev_info.pci_dev->addr.bus;
+         pci_addr.slot = dev_info.pci_dev->addr.devid;
+         pci_addr.function = dev_info.pci_dev->addr.function;
+         p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
+        }
+
+      if (p)
+       devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
+      else
+       devconf = &dm->conf->default_devconf;
 
       /* Create vnet interface */
       vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
       xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
       xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
       xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
-      rte_eth_dev_info_get(i, &dev_info);
 
-      memcpy(&xd->tx_conf, &dev_info.default_txconf,
+      clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
              sizeof(struct rte_eth_txconf));
-      if (dm->no_multi_seg)
+      if (dm->conf->no_multi_seg)
         {
           xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
           port_conf_template.rxmode.jumbo_frame = 0;
@@ -326,18 +329,27 @@ dpdk_lib_init (dpdk_main_t * dm)
           port_conf_template.rxmode.jumbo_frame = 1;
         }
 
-      memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
+      clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
 
       xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
 
-      if (dm->max_tx_queues)
-        xd->tx_q_used = clib_min(xd->tx_q_used, dm->max_tx_queues);
+      if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
+        xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
+
+      if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
+       {
+         rt->function = dpdk_input_rss_multiarch_select();
+         dm->use_rss = 1;
+       }
 
-      if (dm->use_rss > 1 && dev_info.max_rx_queues >= dm->use_rss)
+      if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
         {
-          xd->rx_q_used = dm->use_rss;
+          xd->rx_q_used = devconf->num_rx_queues;
           xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
-          xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
+          if (devconf->rss_fn == 0)
+            xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
+          else
+            xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
         }
       else
         xd->rx_q_used = 1;
@@ -345,7 +357,7 @@ dpdk_lib_init (dpdk_main_t * dm)
       xd->dev_type = VNET_DPDK_DEV_ETH;
 
       /* workaround for drivers not setting driver_name */
-      if (!dev_info.driver_name)
+      if ((!dev_info.driver_name) && (dev_info.pci_dev))
         dev_info.driver_name = dev_info.pci_dev->driver->name;
       ASSERT(dev_info.driver_name);
 
@@ -378,21 +390,22 @@ dpdk_lib_init (dpdk_main_t * dm)
             xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
             xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
             break;
+         case VNET_DPDK_PMD_DPAA2:
+           xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
+           break;
 
           /* Cisco VIC */
-          case VNET_DPDK_PMD_VICE:
           case VNET_DPDK_PMD_ENIC:
-            rte_eth_link_get_nowait(xd->device_index, &l);
+            rte_eth_link_get_nowait(i, &l);
+           xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
             if (l.link_speed == 40000)
               {
                 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
-                xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
                 xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
               }
             else
               {
                 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
-                xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
                 xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
               }
             break;
@@ -415,7 +428,7 @@ dpdk_lib_init (dpdk_main_t * dm)
                 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
                 break;
               case I40E_DEV_ID_VF:
-                rte_eth_link_get_nowait(xd->device_index, &l);
+                rte_eth_link_get_nowait(i, &l);
                 xd->port_type = l.link_speed == 10000 ?
                   VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
                 break;
@@ -463,19 +476,19 @@ dpdk_lib_init (dpdk_main_t * dm)
             xd->af_packet_port_id = af_packet_port_id++;
             break;
 
+          case VNET_DPDK_PMD_BOND:
+            xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
+            break;
+
           default:
             xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
         }
 
-  #ifdef NETMAP
-       if(strncmp(dev_info.driver_name, "vale", 4) == 0
-            || strncmp(dev_info.driver_name, "netmap", 6) == 0)
-          {
-            xd->pmd = VNET_DPDK_PMD_NETMAP;
-            xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
-          }
-  #endif
+       if (devconf->num_rx_desc)
+         xd->nb_rx_desc = devconf->num_rx_desc;
 
+       if (devconf->num_tx_desc)
+         xd->nb_tx_desc = devconf->num_tx_desc;
       }
 
       /*
@@ -483,18 +496,44 @@ dpdk_lib_init (dpdk_main_t * dm)
        * Otherwise rte_eth_dev_configure() will fail and the port will
        * not be available.
        */
-      xd->port_conf.rxmode.max_rx_pkt_len = 
-             (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen) ? 
-             dev_info.max_rx_pktlen : ETHERNET_MAX_PACKET_BYTES;
+      if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
+        {
+          /*
+           * This device does not support the platforms's max frame
+           * size. Use it's advertised mru instead.
+           */
+          xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
+        }
+      else
+        {
+          xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
+
+          /*
+           * Some platforms do not account for Ethernet FCS (4 bytes) in
+           * MTU calculations. To interop with them increase mru but only
+           * if the device's settings can support it.
+           */
+          if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
+              xd->port_conf.rxmode.hw_strip_crc)
+            {
+              /*
+               * Allow additional 4 bytes (for Ethernet FCS). These bytes are
+               * stripped by h/w and so will not consume any buffer memory.
+               */
+              xd->port_conf.rxmode.max_rx_pkt_len += 4;
+            }
+        }
 
+#if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0) 
       /*
-       * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
+       * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
        */
       if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
         {
           xd->port_conf.rxmode.max_rx_pkt_len = 1518;
           xd->port_conf.rxmode.jumbo_frame = 0;
         }
+#endif
 
       if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
         {
@@ -502,7 +541,7 @@ dpdk_lib_init (dpdk_main_t * dm)
           u32 rnd;
           rnd = (u32) (now * 1e6);
           rnd = random_u32 (&rnd);
-          memcpy (addr+2, &rnd, sizeof(rnd));
+          clib_memcpy (addr+2, &rnd, sizeof(rnd));
           addr[0] = 2;
           addr[1] = 0xfe;
         }
@@ -520,29 +559,44 @@ dpdk_lib_init (dpdk_main_t * dm)
       dpdk_device_and_queue_t * dq;
       int q;
 
-      for (q = 0; q < xd->rx_q_used; q++)
-        {
-          int cpu = dm->input_cpu_first_index + next_cpu;
-          unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
-
-          /*
-           * numa node for worker thread handling this queue
-           * needed for taking buffers from the right mempool
-           */
-          vec_validate(xd->cpu_socket_id_by_queue, q);
-          xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
-
-          /*
-           * construct vector of (device,queue) pairs for each worker thread
-           */
-          vec_add2(dm->devices_by_cpu[cpu], dq, 1);
-          dq->device = xd->device_index;
-          dq->queue_id = q;
-
-          next_cpu++;
-          if (next_cpu == dm->input_cpu_count)
-            next_cpu = 0;
-        }
+      if (devconf->workers)
+       {
+         int i;
+         q = 0;
+         clib_bitmap_foreach (i, devconf->workers, ({
+           int cpu = dm->input_cpu_first_index + i;
+           unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
+           vec_validate(xd->cpu_socket_id_by_queue, q);
+           xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
+           vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+           dq->device = xd->device_index;
+           dq->queue_id = q++;
+         }));
+       }
+      else
+       for (q = 0; q < xd->rx_q_used; q++)
+         {
+           int cpu = dm->input_cpu_first_index + next_cpu;
+           unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
+
+           /*
+            * numa node for worker thread handling this queue
+            * needed for taking buffers from the right mempool
+            */
+           vec_validate(xd->cpu_socket_id_by_queue, q);
+           xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
+
+           /*
+            * construct vector of (device,queue) pairs for each worker thread
+            */
+           vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+           dq->device = xd->device_index;
+           dq->queue_id = q;
+
+           next_cpu++;
+           if (next_cpu == dm->input_cpu_count)
+             next_cpu = 0;
+         }
 
       vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
                             CLIB_CACHE_LINE_BYTES);
@@ -592,27 +646,38 @@ dpdk_lib_init (dpdk_main_t * dm)
        *            driver to dynamically change the mtu.  If/when the 
        *            VIC firmware gets fixed, then this should be removed.
        */
-      if (xd->pmd == VNET_DPDK_PMD_VICE ||
-          xd->pmd == VNET_DPDK_PMD_ENIC)
+      if (xd->pmd == VNET_DPDK_PMD_ENIC)
        {
          /*
           * Initialize mtu to what has been set by CIMC in the firmware cfg.
           */
          hi->max_packet_bytes = dev_info.max_rx_pktlen;
-          /*
-           * remove vlan tag from VIC port to fix VLAN0 issue.
-           * TODO Handle VLAN tagged traffic
-           */
-          int vlan_off;
-          vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
-          vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
-          rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
+         if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
+           vlan_strip = 1; /* remove vlan tag from VIC port by default */
+         else
+           clib_warning("VLAN strip disabled for interface\n");
        }
+      else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
+       vlan_strip = 1;
+
+      if (vlan_strip)
+        { 
+         int vlan_off;
+         vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
+         vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
+         if (rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off) == 0)
+           clib_warning("VLAN strip enabled for interface\n");
+         else
+           clib_warning("VLAN strip cannot be supported by interface\n");
+        }
+
+#if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0) 
       /*
-       * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
+       * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
        */
       else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
          hi->max_packet_bytes = 1518;
+#endif
 
       hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 
              xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
@@ -620,10 +685,11 @@ dpdk_lib_init (dpdk_main_t * dm)
      rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes);
     }
 
-  if (dm->num_kni) {
+#ifdef RTE_LIBRTE_KNI
+  if (dm->conf->num_kni) {
     clib_warning("Initializing KNI interfaces...");
-    rte_kni_init(dm->num_kni);
-    for (i = 0; i < dm->num_kni; i++)
+    rte_kni_init(dm->conf->num_kni);
+    for (i = 0; i < dm->conf->num_kni; i++)
     {
       u8 addr[6];
       int j;
@@ -675,7 +741,7 @@ dpdk_lib_init (dpdk_main_t * dm)
         rnd = (u32) (now * 1e6);
         rnd = random_u32 (&rnd);
 
-        memcpy (addr+2, &rnd, sizeof(rnd));
+        clib_memcpy (addr+2, &rnd, sizeof(rnd));
         addr[0] = 2;
         addr[1] = 0xfe;
       }
@@ -696,10 +762,11 @@ dpdk_lib_init (dpdk_main_t * dm)
       hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
     }
   }
+#endif
 
-  if (nb_desc > dm->num_mbufs) 
+  if (nb_desc > dm->conf->num_mbufs) 
     clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
-                  dm->num_mbufs, nb_desc);
+                  dm->conf->num_mbufs, nb_desc);
 
   /* init next vhost-user if index */
   dm->next_vu_if_id = 0;
@@ -707,268 +774,150 @@ dpdk_lib_init (dpdk_main_t * dm)
   return 0;
 }
 
-/*
- * Tell the vlib physical memory allocator that we've handled
- * the initialization. We don't actually do so until
- * vlib_main(...) callls the dpdk config function.
- */
-int vlib_app_physmem_init (vlib_main_t * vm, physmem_main_t * pm,
-                           int physmem_required)
+static void
+dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
 {
-  return 1;
-}
+  vlib_pci_main_t * pm = &pci_main;
+  clib_error_t * error;
+  vlib_pci_device_t * d;
+  pci_config_header_t * c;
+  u8 * pci_addr = 0;
+  int num_whitelisted = vec_len (conf->dev_confs);
 
-static clib_error_t *
-write_sys_fs (char * file_name, char * fmt, ...)
-{
-  u8 * s;
-  int fd;
+  pool_foreach (d, pm->pci_devs, ({
+    dpdk_device_config_t * devconf = 0;
+    c = &d->config0.header;
+    vec_reset_length (pci_addr);
+    pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
 
-  fd = open (file_name, O_WRONLY);
-  if (fd < 0)
-    return clib_error_return_unix (0, "open `%s'", file_name);
+    if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
+      continue;
 
-  va_list va;
-  va_start (va, fmt);
-  s = va_format (0, fmt, &va);
-  va_end (va);
-  vec_add1 (s, 0); // terminate c string
+    if (num_whitelisted)
+      {
+       uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
 
-  if (write (fd, s, vec_len (s)) < 0)
-      return clib_error_return_unix (0, "write '%s' to '%s'", s, file_name);
+       if (!p)
+         continue;
 
-  vec_free (s);
-  close (fd);
-  return 0;
-}
+       devconf = pool_elt_at_index (conf->dev_confs, p[0]);
+      }
 
-#define VIRTIO_PCI_NAME  "virtio-pci"
+    /* virtio */
+    if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
+      ;
+    /* vmxnet3 */
+    else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
+      ;
+    /* all Intel devices */
+    else if (c->vendor_id == 0x8086)
+      ;
+    /* Cisco VIC */
+    else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
+      ;
+    /* Chelsio T4/T5 */
+    else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
+      ;
+    else
+      {
+        clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
+                     "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
+                     pci_addr);
+        continue;
+      }
 
-static clib_error_t * dpdk_bind_eth_kernel_drivers (vlib_main_t * vm,
-                                                   char * pci_dev_id,
-                                                   char * kernel_driver)
+    error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
+
+    if (error)
+      {
+       if (devconf == 0)
+         {
+           pool_get (conf->dev_confs, devconf);
+           hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
+                     devconf - conf->dev_confs);
+           devconf->pci_addr.as_u32 = d->bus_address.as_u32;
+         }
+       devconf->is_blacklisted = 1;
+       clib_error_report (error);
+      }
+  }));
+  vec_free (pci_addr);
+}
+
+static clib_error_t *
+dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
 {
-  dpdk_main_t * dm = &dpdk_main;
-  unformat_input_t _in;
-  unformat_input_t * in = &_in;
   clib_error_t * error = 0;
-  u8 * line = 0, * modcmd = 0, * path = 0;
-  u8 * pci_vid = 0, *pci_did = 0, * devname = 0;
-  char *driver_name = kernel_driver;
-  FILE * fp;
-
-  /* 
-   * Bail out now if we're not running as root.
-   * This allows non-privileged use of the packet generator, etc.
-   */
-  if (geteuid() != 0)
-    return 0;
+  uword * p;
+  dpdk_device_config_t * devconf;
+  unformat_input_t sub_input;
 
-  /*
-   * Get all ethernet pci device numbers for the device type specified.
-   */
-  modcmd = format (0, "lspci -nDd %s | grep 0200 | "
-                  "awk '{ print $1, $3 }'%c", pci_dev_id, 0);
-  if ((fp = popen ((const char *)modcmd, "r")) == NULL)
+  if (is_default)
     {
-      error = clib_error_return_unix (0, 
-                                     "Unable to get %s ethernet pci devices.",
-                                     pci_dev_id);
-      goto done;
+      devconf = &conf->default_devconf;
     }
-
-  vec_validate (line, BUFSIZ);
-  vec_validate (path, BUFSIZ);
-  while (fgets ((char *)line, BUFSIZ, fp) != NULL)
+  else
     {
-      struct stat st;
-      u8 bind_uio = 1;
-      line[strlen ((char *)line) - 1] = 0; // chomp trailing newline.
-
-      unformat_init_string (in, (char *)line, strlen((char *)line) + 1);
-      unformat(in, "%s %s:%s", &devname, &pci_vid, &pci_did);
-      unformat_free (in);
-
-      /*
-       * Blacklist all ethernet interfaces in the 
-       * linux IP routing tables (route --inet --inet6)
-       */
-      if (strstr ((char *)dm->eth_if_blacklist, (char *)devname))
-       continue;
-
-      /*
-       * If there are any devices whitelisted, then blacklist all devices
-       * which are not explicitly whitelisted.
-       */
-      if (dm->eth_if_whitelist && 
-         !strstr ((char *)dm->eth_if_whitelist, (char *)devname))
-       continue;
+      p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
 
-#ifdef NETMAP
-      /*
-       * Optimistically open the device as a netmap device.
-       */
-      if (eth_nm_open((char *)devname))
-        continue;
-#endif
-
-      _vec_len (path) = 0;
-      path = format (path, "/sys/bus/pci/devices/%s/driver/unbind%c",
-                    devname, 0);
-
-      /*
-       * If the device is bound to a driver...
-       */
-      if (stat ((const char *)path, &st) == 0)
+      if (!p)
        {
-         u8 * device_path;
-
-         /*
-          * If the interface is not a virtio...
-          */
-         if (!driver_name || strcmp(driver_name, VIRTIO_PCI_NAME))
-           {
-              /*
-               * If it is already bound to driver, don't unbind/bind it.
-               */
-              device_path = format (0, "/sys/bus/pci/drivers/%s/%s/device%c",
-                                    driver_name, devname, 0);
-              if (stat ((const char *)device_path, &st) == 0)
-                bind_uio = 0;
-
-              vec_free (device_path);
-           }
-         
-         /*
-          * unbind it from the current driver
-          */
-         if (bind_uio)
-           {
-             _vec_len (path) -= 1;
-             path = format (path, "%c", 0);
-             error = write_sys_fs ((char *)path, "%s", devname);
-             if (error)
-               goto done;
-           }
-       }
-
-      /*
-       * DAW-FIXME: The following bind/unbind dance is necessary for the dpdk
-       *            virtio poll-mode driver to work.  
-       */
-      if (driver_name && !strcmp(driver_name, VIRTIO_PCI_NAME))
-       {
-         /*
-          * bind interface to the native kernel module
-          */
-         _vec_len (path) = 0;
-         path = format (path, "/sys/bus/pci/drivers/%s/bind%c",
-                        driver_name, 0);
-         error = write_sys_fs ((char *)path, "%s", devname);
-         if (error)
-           goto done;
-
-         /*
-          * unbind interface from the native kernel module
-          */
-         _vec_len (path) -= 5;
-         path = format (path, "unbind%c", 0);
-         error = write_sys_fs ((char *)path, "%s", devname);
-         if (error)
-           goto done;
-       }
-
-      /*
-       * bind the interface to igb_uio
-       */
-      if (bind_uio)
-       {
-          _vec_len (path) = 0;
-          path = format (path, "/sys/bus/pci/drivers/%s/new_id%c", driver_name, 0);
-          error = write_sys_fs ((char *) path, "%s %s", pci_vid, pci_did);
-          if (error)
-            continue;
-
-          _vec_len (path) = 0;
-          path = format (path, "/sys/bus/pci/drivers/%s/bind%c", driver_name, 0);
-         error = write_sys_fs ((char *) path, "%s", devname);
-         if (error)
-            {
-              error = 0;
-              continue;
-            }
+         pool_get (conf->dev_confs, devconf);
+         hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
        }
+      else
+       return clib_error_return(0, "duplicate configuration for PCI address %U",
+                                format_vlib_pci_addr, &pci_addr);
     }
-  
- done:
-  vec_free (line);
-  vec_free (path);
-  vec_free (devname);
-  vec_free (pci_vid);
-  vec_free (pci_did);
-  vec_free (modcmd);
-  pclose (fp);
-  return error;
-}
 
-static uword
-unformat_socket_mem (unformat_input_t * input, va_list * va)
-{
-  uword ** r = va_arg (* va, uword **);
-  int i = 0;
-  u32 mem;
+  devconf->pci_addr.as_u32 = pci_addr.as_u32;
+
+  if (!input)
+    return 0;
 
   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
     {
-      if (unformat (input, ","))
-        hash_set (*r, i, 1024);
-      else if (unformat (input, "%u,", &mem))
-        hash_set (*r, i, mem);
-      else if (unformat (input, "%u", &mem))
-        hash_set (*r, i, mem);
-      else
+      if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
+       ;
+      else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
+       ;
+      else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
+       ;
+      else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
+       ;
+      else if (unformat (input, "workers %U", unformat_bitmap_list,
+                        &devconf->workers))
+       ;
+      else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
         {
-          unformat_put_input (input);
-          goto done;
+          error = unformat_rss_fn(&sub_input, &devconf->rss_fn);
+          if (error)
+            break;
         }
-      i++;
+      else if (unformat (input, "vlan-strip-offload off"))
+         devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
+      else if (unformat (input, "vlan-strip-offload on"))
+         devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
+      else
+       {
+         error = clib_error_return (0, "unknown input `%U'",
+                                    format_unformat_error, input);
+         break;
+       }
     }
 
-done:
-  return 1;
-}
-
-static u32
-get_node_free_hugepages_num (u32 node, u32 page_size)
-{
-  FILE * fp;
-  u8 * tmp;
-
-  tmp = format (0, "/sys/devices/system/node/node%u/hugepages/hugepages-%ukB/"
-                "free_hugepages%c", node, page_size, 0);
-  fp = fopen ((char *) tmp, "r");
-  vec_free(tmp);
+  if (error)
+    return error;
 
-  if (fp != NULL)
-    {
-      u8 * buffer = 0;
-      u32 pages_avail = 0;
+  if (devconf->workers && devconf->num_rx_queues == 0)
+    devconf->num_rx_queues = clib_bitmap_count_set_bits(devconf->workers);
+  else if (devconf->workers &&
+          clib_bitmap_count_set_bits(devconf->workers) != devconf->num_rx_queues)
+    error = clib_error_return (0, "%U: number of worker threadds must be "
+                              "equal to number of rx queues",
+                              format_vlib_pci_addr, &pci_addr);
 
-      vec_validate (buffer, 256-1);
-      if (fgets ((char *)buffer, 256, fp))
-        {
-          unformat_input_t in;
-          unformat_init_string (&in, (char *) buffer, strlen ((char *) buffer));
-          unformat(&in, "%u", &pages_avail);
-          unformat_free (&in);
-        }
-      vec_free(buffer);
-      fclose(fp);
-      return pages_avail;
-    }
-
-  return 0;
+  return error;
 }
 
 static clib_error_t *
@@ -976,104 +925,87 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
 {
   clib_error_t * error = 0;
   dpdk_main_t * dm = &dpdk_main;
+  dpdk_config_main_t * conf = &dpdk_config_main;
   vlib_thread_main_t * tm = vlib_get_thread_main();
+  dpdk_device_config_t * devconf;
+  vlib_pci_addr_t pci_addr;
+  unformat_input_t sub_input;
   u8 * s, * tmp = 0;
-  u8 * pci_dev_id = 0;
   u8 * rte_cmd = 0, * ethname = 0;
-  FILE * rte_fp;
   u32 log_level;
   int ret, i;
-  char * fmt;
-#ifdef NETMAP
-  int rxrings, txrings, rxslots, txslots, txburst;
-  char * nmnam;
-#endif
-  unformat_input_t _in;
-  unformat_input_t * in = &_in;
+  int num_whitelisted = 0;
   u8 no_pci = 0;
   u8 no_huge = 0;
   u8 huge_dir = 0;
   u8 file_prefix = 0;
   u8 * socket_mem = 0;
 
+  conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
+
   // MATT-FIXME: inverted virtio-vhost logic to use virtio by default
-  dm->use_virtio_vhost = 1;
+  conf->use_virtio_vhost = 1;
 
   while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
     {
       /* Prime the pump */
       if (unformat (input, "no-hugetlb"))
         {
-          vec_add1 (dm->eal_init_args, (u8 *) "no-huge");
+          vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
           no_huge = 1;
         }
 
       else if (unformat (input, "enable-tcp-udp-checksum"))
-        {
-          dm->buffer_flags_template &= 
-            ~(IP_BUFFER_L4_CHECKSUM_CORRECT | IP_BUFFER_L4_CHECKSUM_COMPUTED);
-        }
+       conf->enable_tcp_udp_checksum = 1;
 
       else if (unformat (input, "decimal-interface-names"))
-        dm->interface_name_format_decimal = 1;
+        conf->interface_name_format_decimal = 1;
 
       else if (unformat (input, "no-multi-seg"))
-        dm->no_multi_seg = 1;
+        conf->no_multi_seg = 1;
 
-      else if (unformat (input, "dev %s", &pci_dev_id))
+      else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
+                        &sub_input))
        {
-         if (dm->eth_if_whitelist)
-           {
-             /*
-              * Don't add duplicate device id's.
-              */
-             if (strstr ((char *)dm->eth_if_whitelist, (char *)pci_dev_id))
-               continue;
-
-             _vec_len (dm->eth_if_whitelist) -= 1; // chomp trailing NULL.
-             dm->eth_if_whitelist = format (dm->eth_if_whitelist, " %s%c",
-                                            pci_dev_id, 0);
-           }
-         else
-           dm->eth_if_whitelist = format (0, "%s%c", pci_dev_id, 0);
+         error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
+
+         if (error)
+           return error;
        }
+      else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
+                        unformat_vlib_cli_sub_input, &sub_input))
+       {
+         error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
 
-#ifdef NETMAP
-     else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d",
-                  &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) {
-        char * rv;
-        rv = (char *)
-          eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst);
-        if (rv) {
-          error = clib_error_return (0, "%s", rv);
-          goto done;
-        }
-      }else if (unformat(input, "netmap %s", &nmname)) {
-        char * rv;
-        rv = (char *)
-          eth_nm_args(nmname, 0, 0, 0, 0, 0);
-        if (rv) {
-          error = clib_error_return (0, "%s", rv);
-          goto done;
-        }
-      }
-#endif
+         if (error)
+           return error;
 
-      else if (unformat (input, "num-mbufs %d", &dm->num_mbufs))
-        ;
-      else if (unformat (input, "max-tx-queues %d", &dm->max_tx_queues))
+         num_whitelisted++;
+       }
+      else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
+       {
+         error = dpdk_device_config (conf, pci_addr, 0, 0);
+
+         if (error)
+           return error;
+
+         num_whitelisted++;
+       }
+      else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
         ;
-      else if (unformat (input, "kni %d", &dm->num_kni))
+      else if (unformat (input, "kni %d", &conf->num_kni))
         ;
-      else if (unformat (input, "uio-driver %s", &dm->uio_driver_name))
+      else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
        ;
-      else if (unformat (input, "vhost-user-coalesce-frames %d", &dm->vhost_coalesce_frames))
+      else if (unformat (input, "socket-mem %s", &socket_mem))
+       ;
+      else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
         ;
-      else if (unformat (input, "vhost-user-coalesce-time %f", &dm->vhost_coalesce_time))
+      else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
         ;
       else if (unformat (input, "enable-vhost-user"))
-        dm->use_virtio_vhost = 0;
-      else if (unformat (input, "rss %d", &dm->use_rss))
+        conf->use_virtio_vhost = 0;
+      else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
         ;
 
 #define _(a)                                    \
@@ -1082,7 +1014,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
           if (!strncmp(#a, "no-pci", 6))        \
             no_pci = 1;                         \
           tmp = format (0, "--%s%c", #a, 0);    \
-          vec_add1 (dm->eal_init_args, tmp);    \
+          vec_add1 (conf->eal_init_args, tmp);    \
         }
       foreach_eal_double_hyphen_predicate_arg
 #undef _
@@ -1094,12 +1026,10 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
               huge_dir = 1;                           \
             else if (!strncmp(#a, "file-prefix", 11)) \
               file_prefix = 1;                        \
-            else if (!strncmp(#a, "socket-mem", 10))  \
-              socket_mem = vec_dup (s);               \
            tmp = format (0, "--%s%c", #a, 0);        \
-           vec_add1 (dm->eal_init_args, tmp);        \
+           vec_add1 (conf->eal_init_args, tmp);      \
            vec_add1 (s, 0);                          \
-           vec_add1 (dm->eal_init_args, s);          \
+           vec_add1 (conf->eal_init_args, s);        \
          }
        foreach_eal_double_hyphen_arg
 #undef _
@@ -1108,9 +1038,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
          else if (unformat(input, #a " %s", &s))       \
            {                                           \
              tmp = format (0, "-%s%c", #b, 0);         \
-             vec_add1 (dm->eal_init_args, tmp);        \
+             vec_add1 (conf->eal_init_args, tmp);      \
              vec_add1 (s, 0);                          \
-             vec_add1 (dm->eal_init_args, s);          \
+             vec_add1 (conf->eal_init_args, s);        \
            }
          foreach_eal_single_hyphen_arg
 #undef _
@@ -1119,10 +1049,10 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
            else if (unformat(input, #a " %s", &s))     \
              {                                         \
                tmp = format (0, "-%s%c", #b, 0);       \
-               vec_add1 (dm->eal_init_args, tmp);      \
+               vec_add1 (conf->eal_init_args, tmp);    \
                vec_add1 (s, 0);                        \
-               vec_add1 (dm->eal_init_args, s);        \
-               dm->a##_set_manually = 1;               \
+               vec_add1 (conf->eal_init_args, s);      \
+               conf->a##_set_manually = 1;             \
              }
            foreach_eal_single_hyphen_mandatory_arg
 #undef _
@@ -1138,57 +1068,120 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
            }
     }
 
-  if (!dm->uio_driver_name)
-    dm->uio_driver_name = format (0, "igb_uio");
+  if (!conf->uio_driver_name)
+    conf->uio_driver_name = format (0, "igb_uio%c", 0);
 
   /*
    * Use 1G huge pages if available.
    */
   if (!no_huge && !huge_dir)
     {
-      uword * mem_by_socket = hash_create (0, sizeof (uword));
-      uword c;
+      u32 x, * mem_by_socket = 0;
+      uword c = 0;
       u8 use_1g = 1;
       u8 use_2m = 1;
+      u8 less_than_1g = 1;
       int rv;
 
       umount(DEFAULT_HUGE_DIR);
 
       /* Process "socket-mem" parameter value */
       if (vec_len (socket_mem))
-        {
-          unformat_input_t in;
-          unformat_init_vector(&in, socket_mem);
-          unformat(&in, "%U", unformat_socket_mem, &mem_by_socket);
-          unformat_free(&in);
-        }
+       {
+         unformat_input_t in;
+         unformat_init_vector(&in, socket_mem);
+         while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
+           {
+             if (unformat (&in, "%u,", &x))
+               ;
+             else if (unformat (&in, "%u", &x))
+               ;
+             else if (unformat (&in, ","))
+               x = 0;
+             else
+               break;
+
+             vec_add1(mem_by_socket, x);
+
+             if (x > 1023)
+               less_than_1g = 0;
+           }
+          /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
+         unformat_free(&in);
+          socket_mem = 0;
+       }
       else
-        use_1g = 0;
+       {
+         clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
+           {
+             vec_validate(mem_by_socket, c);
+             mem_by_socket[c] = 256; /* default per-socket mem */
+           }
+         ));
+       }
 
       /* check if available enough 1GB pages for each socket */
-      clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ({
-         uword * p = hash_get (mem_by_socket, c);
-         if (p)
-           {
-             u32 mem = p[0];
-             if (mem)
-               {
-                 u32 pages_num_1g = mem / 1024;
-                 u32 pages_num_2m = mem / 2;
-                 u32 pages_avail;
-
-                 pages_avail = get_node_free_hugepages_num(c, 1048576);
-                 if (!(pages_avail >= pages_num_1g))
-                   use_1g = 0;
-
-                 pages_avail = get_node_free_hugepages_num(c, 2048);
-                 if (!(pages_avail >= pages_num_2m))
-                   use_2m = 0;
-              }
-           }
+      clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
+        {
+         u32 pages_avail, page_size, mem;
+         u8 *s = 0;
+          u8 *p = 0;
+         char * numa_path = "/sys/devices/system/node/node%u/";
+          char * nonnuma_path = "/sys/kernel/mm/";
+          char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
+          char * path = NULL;
+          struct stat sb_numa, sb_nonnuma;
+
+          p = format(p, numa_path, c);
+          stat(numa_path, &sb_numa);
+          stat(nonnuma_path, &sb_nonnuma);
+
+          if (S_ISDIR(sb_numa.st_mode)) {
+            path = (char*)format((u8*)path, "%s%s", p, suffix);
+          } else if (S_ISDIR(sb_nonnuma.st_mode)) {
+            path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
+          } else {
+            use_1g = 0;
+            use_2m = 0;
+            vec_free(p);
+            break;
+          }
+
+         vec_validate(mem_by_socket, c);
+         mem = mem_by_socket[c];
+
+         page_size = 1024;
+         pages_avail = 0;
+         s = format (s, path, page_size * 1024, 0);
+         vlib_sysfs_read ((char *) s, "%u", &pages_avail);
+         vec_reset_length (s);
+
+         if (page_size * pages_avail < mem)
+           use_1g = 0;
+
+         page_size = 2;
+         pages_avail = 0;
+         s = format (s, path, page_size * 1024, 0);
+         vlib_sysfs_read ((char *) s, "%u", &pages_avail);
+         vec_reset_length (s);
+
+         if (page_size * pages_avail < mem)
+           use_2m = 0;
+
+         vec_free(s);
+         vec_free(p);
+         vec_free(path);
       }));
+      _vec_len (mem_by_socket) = c + 1;
 
-      hash_free (mem_by_socket);
+      /* regenerate socket_mem string */
+      vec_foreach_index (x, mem_by_socket)
+       socket_mem = format (socket_mem, "%s%u",
+                            socket_mem ? "," : "",
+                            mem_by_socket[x]);
+      socket_mem = format (socket_mem, "%c", 0);
+
+      vec_free (mem_by_socket);
 
       rv = mkdir(VPP_RUN_DIR, 0755);
       if (rv && errno != EEXIST)
@@ -1206,7 +1199,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
           goto done;
         }
 
-      if (use_1g)
+      if (use_1g && !(less_than_1g && use_2m))
         {
           rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
         }
@@ -1226,103 +1219,18 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
         }
 
       tmp = format (0, "--huge-dir%c", 0);
-      vec_add1 (dm->eal_init_args, tmp);
+      vec_add1 (conf->eal_init_args, tmp);
       tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
-      vec_add1 (dm->eal_init_args, tmp);
+      vec_add1 (conf->eal_init_args, tmp);
       if (!file_prefix)
         {
           tmp = format (0, "--file-prefix%c", 0);
-          vec_add1 (dm->eal_init_args, tmp);
+          vec_add1 (conf->eal_init_args, tmp);
           tmp = format (0, "vpp%c", 0);
-          vec_add1 (dm->eal_init_args, tmp);
+          vec_add1 (conf->eal_init_args, tmp);
         }
     }
 
-  /*
-   * Blacklist all ethernet interfaces in the linux IP routing tables.
-   */
-  dm->eth_if_blacklist = format (0, "%c", 0);
-  rte_cmd = format (0, "route --inet --inet6 -n|awk '{print $7}'|sort -u|"
-                    "egrep $(echo $(ls -1d /sys/class/net/*/device|"
-                    "cut -d/ -f5)|sed -s 's/ /|/g')%c", 0);
-  if ((rte_fp = popen ((const char *)rte_cmd, "r")) == NULL)
-    {
-      error = clib_error_return_unix (0, "Unable to find blacklist ethernet"
-                                     " interface(s) in linux routing tables.");
-      goto rte_cmd_err;
-
-    }
-
-  vec_validate (ethname, BUFSIZ);
-  while (fgets ((char *)ethname, BUFSIZ, rte_fp) != NULL)
-    {
-      FILE *rlnk_fp;
-      u8 * rlnk_cmd = 0, * devname = 0;
-
-      ethname[strlen ((char *)ethname) - 1] = 0; // chomp trailing newline.
-
-      rlnk_cmd = format (0, "readlink /sys/class/net/%s%c",
-                        ethname, 0);
-
-      if ((rlnk_fp = popen ((const char *)rlnk_cmd, "r")) == NULL)
-       {
-         error = clib_error_return_unix (0, "Unable to read %s link.",
-                                         ethname);
-         goto rlnk_cmd_err;
-       }
-
-      vec_validate (devname, BUFSIZ);
-      while (fgets ((char *)devname, BUFSIZ, rlnk_fp) != NULL)
-       {
-         char * pci_id = 0;
-         
-         /*
-          * Extract the device PCI ID name from the link. It is the first
-          * PCI ID searching backwards from the end of the link pathname.
-          * For example:
-          *     readlink /sys/class/net/eth0
-          *     ../../devices/pci0000:00/0000:00:0a.0/virtio4/net/eth0
-          */
-         for (pci_id = (char *)((devname + strlen((char *)devname)));
-              ((u8 *)pci_id > devname) && *pci_id != '.'; pci_id--)
-           ;
-
-         /*
-          * Verify that the field found is a valid PCI ID.
-          */
-         if ((*(pci_id - 1) == '.') || ((u8 *)(pci_id - 11) < devname) || 
-             (*(pci_id - 11) != '/') || (*(pci_id - 3) != ':') ||
-             (*(pci_id - 6) != ':'))
-           {
-             devname[strlen ((char *)devname) - 1] = 0; // chomp trailing newline.
-             clib_warning ("Unable to extract %s PCI ID (0x%llx \"%s\") "
-                           "from 0x%llx \"%s\"", ethname, pci_id, pci_id,
-                           devname, devname);
-             continue;
-           }
-
-         pci_id[2] = 0;
-         pci_id -= 10;
-
-          /* Don't blacklist any interfaces which have been whitelisted.
-           */
-          if (dm->eth_if_whitelist &&
-              strstr ((char *)dm->eth_if_whitelist, (char *)pci_id))
-              continue;
-
-         _vec_len (dm->eth_if_blacklist) -= 1; // chomp trailing NULL.
-         dm->eth_if_blacklist = format (dm->eth_if_blacklist, " %s%c",
-                                        pci_id, 0);
-       }
-  
-    rlnk_cmd_err:
-      pclose (rlnk_fp);
-      vec_free (rlnk_cmd);
-      vec_free (devname);
-    }
-
- rte_cmd_err:
-  pclose (rte_fp);
   vec_free (rte_cmd);
   vec_free (ethname);
 
@@ -1330,7 +1238,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
     return error;
 
   /* I'll bet that -c and -n must be the first and second args... */
-  if (!dm->coremask_set_manually)
+  if (!conf->coremask_set_manually)
     {
       vlib_thread_registration_t * tr;
       uword * coremask = 0;
@@ -1345,88 +1253,67 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
           coremask = clib_bitmap_or(coremask, tr->coremask);
         }
 
-      vec_insert (dm->eal_init_args, 2, 1);
-      dm->eal_init_args[1] = (u8 *) "-c";
+      vec_insert (conf->eal_init_args, 2, 1);
+      conf->eal_init_args[1] = (u8 *) "-c";
       tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
-      dm->eal_init_args[2] = tmp;
+      conf->eal_init_args[2] = tmp;
       clib_bitmap_free(coremask);
     }
 
-  if (!dm->nchannels_set_manually)
+  if (!conf->nchannels_set_manually)
     {
-      vec_insert (dm->eal_init_args, 2, 3);
-      dm->eal_init_args[3] = (u8 *) "-n";
-      tmp = format (0, "%d", dm->nchannels);
-      dm->eal_init_args[4] = tmp;
+      vec_insert (conf->eal_init_args, 2, 3);
+      conf->eal_init_args[3] = (u8 *) "-n";
+      tmp = format (0, "%d", conf->nchannels);
+      conf->eal_init_args[4] = tmp;
     }
 
-  /*
-   * If there are whitelisted devices,
-   * add the whitelist option & device list to the dpdk arg list...
-   */
-  if (dm->eth_if_whitelist)
-    {
-      unformat_init_string (in, (char *)dm->eth_if_whitelist,
-                           vec_len(dm->eth_if_whitelist) - 1);
-      fmt = "-w%c";
-    }
+  if (no_pci == 0 && geteuid() == 0)
+    dpdk_bind_devices_to_uio(conf);
 
-  /*
-   * Otherwise add the blacklisted devices to the dpdk arg list.
-   */
-  else
-    {
-      unformat_init_string (in, (char *)dm->eth_if_blacklist,
-                           vec_len(dm->eth_if_blacklist) - 1);
-      fmt = "-b%c";
-    }
+#define _(x) \
+    if (devconf->x == 0 && conf->default_devconf.x > 0) \
+      devconf->x = conf->default_devconf.x ;
 
-  while (unformat_check_input (in) != UNFORMAT_END_OF_INPUT)
-    {
-      tmp = format (0, fmt, 0);
-      vec_add1 (dm->eal_init_args, tmp);
-      unformat (in, "%s", &pci_dev_id);
-      vec_add1 (dm->eal_init_args, pci_dev_id);
-    }
+  pool_foreach (devconf, conf->dev_confs, ({
 
-  if (no_pci == 0)
-    {
-      /*
-       * Bind Virtio pci devices to the igb_uio kernel driver.
-       */
-      error = dpdk_bind_eth_kernel_drivers (vm, "1af4:1000", VIRTIO_PCI_NAME);
-      if (error)
-        return error;
+    /* default per-device config items */
+    foreach_dpdk_device_config_item
 
-      /*
-       * Bind vmxnet3 pci devices to the igb_uio kernel driver.
-       */
-      error = dpdk_bind_eth_kernel_drivers (vm, "15ad:07b0",
-                                            (char *) dm->uio_driver_name);
-      if (error)
-        return error;
+    /* add DPDK EAL whitelist/blacklist entry */
+    if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
+      {
+       tmp = format (0, "-w%c", 0);
+       vec_add1 (conf->eal_init_args, tmp);
+       tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
+       vec_add1 (conf->eal_init_args, tmp);
+      }
+    else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
+      {
+       tmp = format (0, "-b%c", 0);
+       vec_add1 (conf->eal_init_args, tmp);
+       tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
+       vec_add1 (conf->eal_init_args, tmp);
+      }
+  }));
 
-      /*
-       * Bind Intel ethernet pci devices to igb_uio kernel driver.
-       */
-      error = dpdk_bind_eth_kernel_drivers (vm, "8086:",
-                                            (char *) dm->uio_driver_name);
-      /*
-       * Bind Cisco VIC ethernet pci devices to igb_uio kernel driver.
-       */
-      error = dpdk_bind_eth_kernel_drivers (vm, "1137:0043",
-                                            (char *) dm->uio_driver_name);
-    }
+#undef _
 
   /* set master-lcore */
   tmp = format (0, "--master-lcore%c", 0);
-  vec_add1 (dm->eal_init_args, tmp);
+  vec_add1 (conf->eal_init_args, tmp);
   tmp = format (0, "%u%c", tm->main_lcore, 0);
-  vec_add1 (dm->eal_init_args, tmp);
+  vec_add1 (conf->eal_init_args, tmp);
+
+  /* set socket-mem */
+  tmp = format (0, "--socket-mem%c", 0);
+  vec_add1 (conf->eal_init_args, tmp);
+  tmp = format (0, "%s%c", socket_mem, 0);
+  vec_add1 (conf->eal_init_args, tmp);
 
   /* NULL terminate the "argv" vector, in case of stupidity */
-  vec_add1 (dm->eal_init_args, 0);
-  _vec_len(dm->eal_init_args) -= 1;
+  vec_add1 (conf->eal_init_args, 0);
+  _vec_len(conf->eal_init_args) -= 1;
 
   /* Set up DPDK eal and packet mbuf pool early. */
 
@@ -1434,14 +1321,14 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
 
   rte_set_log_level (log_level);
 
-  vm = dm->vlib_main;
+  vm = vlib_get_main ();
 
   /* make copy of args as rte_eal_init tends to mess up with arg array */
-  for (i = 1; i < vec_len(dm->eal_init_args); i++)
-    dm->eal_init_args_str = format(dm->eal_init_args_str, "%s ",
-                                   dm->eal_init_args[i]);
+  for (i = 1; i < vec_len(conf->eal_init_args); i++)
+    conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
+                                     conf->eal_init_args[i]);
 
-  ret = rte_eal_init(vec_len(dm->eal_init_args), (char **) dm->eal_init_args);
+  ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
 
   /* lazy umount hugepages */
   umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
@@ -1449,24 +1336,23 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
   if (ret < 0)
     return clib_error_return (0, "rte_eal_init returned %d", ret);
 
+  /* Dump the physical memory layout prior to creating the mbuf_pool */
+  fprintf(stdout, "DPDK physical memory layout:\n");
+  rte_dump_physmem_layout(stdout);
+
   /* main thread 1st */
-  error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE, rte_socket_id());
+  error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
   if (error)
     return error;
 
   for (i = 0; i < RTE_MAX_LCORE; i++)
     {
-      error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE,
+      error = vlib_buffer_pool_create(vm, conf->num_mbufs,
                                       rte_lcore_to_socket_id(i));
       if (error)
         return error;
     }
 
-  if (dm->use_rss)
-    {
-      vlib_node_runtime_t * rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
-      rt->function = dpdk_input_rss;
-    }
  done:
   return error;
 }
@@ -1532,6 +1418,35 @@ void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
            break;
          }
       }
+#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
+    if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
+      {
+       hw_flags_chg = 1;
+       switch (xd->link.link_speed)
+         {
+         case ETH_SPEED_NUM_10M:
+           hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
+           break;
+         case ETH_SPEED_NUM_100M:
+           hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
+           break;
+         case ETH_SPEED_NUM_1G:
+           hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
+           break;
+         case ETH_SPEED_NUM_10G:
+           hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
+           break;
+         case ETH_SPEED_NUM_40G:
+           hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
+           break;
+    case 0:
+      break;
+    default:
+      clib_warning("unknown link speed %d", xd->link.link_speed);
+           break;
+         }
+      }
+#else
     if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
       {
        hw_flags_chg = 1;
@@ -1559,6 +1474,7 @@ void dpdk_update_link_state (dpdk_device_t * xd, f64 now)
            break;
          }
       }
+#endif
     if (hw_flags_chg)
       {
         if (LINK_STATE_ELOGS)
@@ -1585,7 +1501,9 @@ dpdk_process (vlib_main_t * vm,
               vlib_frame_t * f)
 {
   clib_error_t * error;
+  vnet_main_t * vnm = vnet_get_main();
   dpdk_main_t * dm = &dpdk_main;
+  ethernet_main_t * em = &ethernet_main;
   dpdk_device_t * xd;
   vlib_thread_main_t * tm = vlib_get_thread_main();
   void *vu_state;
@@ -1603,10 +1521,7 @@ dpdk_process (vlib_main_t * vm,
         if (tm->n_vlib_mains == 1)
           vlib_node_set_state (vm, dpdk_input_node.index,
                                VLIB_NODE_STATE_POLLING);
-        else if (tm->main_thread_is_io_node)
-          vlib_node_set_state (vm, dpdk_io_input_node.index,
-                               VLIB_NODE_STATE_POLLING);
-        else if (!dm->have_io_threads)
+        else
           for (i=0; i < tm->n_vlib_mains; i++)
             if (vec_len(dm->devices_by_cpu[i]) > 0)
               vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
@@ -1618,7 +1533,7 @@ dpdk_process (vlib_main_t * vm,
 
   dpdk_vhost_user_process_init(&vu_state);
 
-  dm->io_thread_release = 1;
+  tm->worker_thread_release = 1;
 
   f64 now = vlib_time_now (vm);
   vec_foreach (xd, dm->devices)
@@ -1626,9 +1541,79 @@ dpdk_process (vlib_main_t * vm,
       dpdk_update_link_state (xd, now);
     }
 
+{ // Extra set up for bond interfaces:
+  // 1. Setup MACs for bond interfaces and their slave links which was set
+  //    in dpdk_port_setup() but needs to be done again here to take effect.
+  // 2. Set max L3 packet size of each bond interface to the lowerst value of 
+  //    its slave links 
+  // 3. Set up info for bond interface related CLI support.
+  int nports = rte_eth_dev_count();
+  if (nports > 0) {
+      for (i = 0; i < nports; i++) {
+         struct rte_eth_dev_info dev_info;
+         rte_eth_dev_info_get(i, &dev_info);
+         if (!dev_info.driver_name)
+             dev_info.driver_name = dev_info.pci_dev->driver->name;
+         ASSERT(dev_info.driver_name);
+         if (strncmp(dev_info.driver_name, "rte_bond_pmd", 12) == 0) {
+             u8  addr[6]; 
+             u8  slink[16];
+             int nlink = rte_eth_bond_slaves_get(i, slink, 16);
+             if (nlink > 0) {
+                 vnet_hw_interface_t * bhi;
+                 ethernet_interface_t * bei;
+                 /* Get MAC of 1st slave link */
+                 rte_eth_macaddr_get(slink[0], (struct ether_addr *)addr);
+                 /* Set MAC of bounded interface to that of 1st slave link */
+                 rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr);
+                 /* Populate MAC of bonded interface in VPP hw tables */
+                 bhi = vnet_get_hw_interface(
+                     vnm, dm->devices[i].vlib_hw_if_index);
+                 bei = pool_elt_at_index(em->interfaces, bhi->hw_instance);
+                 clib_memcpy(bhi->hw_address, addr, 6);
+                 clib_memcpy(bei->address, addr, 6);
+                 /* Init l3 packet size allowed on bonded interface */
+                 bhi->max_l3_packet_bytes[VLIB_RX] = 
+                 bhi->max_l3_packet_bytes[VLIB_TX] = 
+                     ETHERNET_MAX_PACKET_BYTES - sizeof(ethernet_header_t);
+                 while (nlink >= 1) { /* for all slave links */
+                     int slave = slink[--nlink];
+                     dpdk_device_t * sdev = &dm->devices[slave];
+                     vnet_hw_interface_t * shi;
+                     vnet_sw_interface_t * ssi;
+                     /* Add MAC to all slave links except the first one */
+                     if (nlink) rte_eth_dev_mac_addr_add(
+                         slave, (struct ether_addr *)addr, 0);
+                     /* Set slaves bitmap for bonded interface */
+                     bhi->bond_info = clib_bitmap_set(
+                         bhi->bond_info, sdev->vlib_hw_if_index, 1);
+                     /* Set slave link flags on slave interface */
+                     shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index);
+                     ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index);
+                     shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
+                     ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
+                     /* Set l3 packet size allowed as the lowest of slave */
+                     if (bhi->max_l3_packet_bytes[VLIB_RX] >
+                         shi->max_l3_packet_bytes[VLIB_RX]) 
+                         bhi->max_l3_packet_bytes[VLIB_RX] =
+                         bhi->max_l3_packet_bytes[VLIB_TX] =
+                             shi->max_l3_packet_bytes[VLIB_RX];
+                 }
+             }
+         }
+      }
+  }
+}
+
   while (1)
     {
-      vlib_process_wait_for_event_or_clock (vm, 5.0);
+      /*
+       * check each time through the loop in case intervals are changed
+       */
+      f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
+                     dm->link_state_poll_interval : dm->stat_poll_interval;
+
+      vlib_process_wait_for_event_or_clock (vm, min_wait);
 
       if (dpdk_get_admin_up_down_in_progress())
           /* skip the poll if an admin up down is in progress (on any interface) */
@@ -1637,9 +1622,9 @@ dpdk_process (vlib_main_t * vm,
       vec_foreach (xd, dm->devices)
        {
          f64 now = vlib_time_now (vm);
-         if ((now - xd->time_last_stats_update) >= DPDK_STATS_POLL_INTERVAL)
+          if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
            dpdk_update_counters (xd, now);
-         if ((now - xd->time_last_link_update) >= DPDK_LINK_POLL_INTERVAL)
+          if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
            dpdk_update_link_state (xd, now);
 
       if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
@@ -1660,6 +1645,26 @@ VLIB_REGISTER_NODE (dpdk_process_node,static) = {
     .process_log2_n_stack_bytes = 17,
 };
 
+int dpdk_set_stat_poll_interval (f64 interval)
+{
+  if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
+      return (VNET_API_ERROR_INVALID_VALUE);
+
+  dpdk_main.stat_poll_interval = interval;
+
+  return 0;
+}
+
+int dpdk_set_link_state_poll_interval (f64 interval)
+{
+  if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
+      return (VNET_API_ERROR_INVALID_VALUE);
+
+  dpdk_main.link_state_poll_interval = interval;
+
+  return 0;
+}
+
 clib_error_t *
 dpdk_init (vlib_main_t * vm)
 {
@@ -1674,81 +1679,9 @@ dpdk_init (vlib_main_t * vm)
   ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
   ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
 
-  /* Add references to DPDK Driver Constructor functions to get the dynamic
-   * loader to pull in the driver library & run the constructors.
-   */
-#define _(d)                                          \
-do {                                                  \
-  void devinitfn_ ##d(void);                          \
-  __attribute__((unused)) void (* volatile pf)(void); \
-  pf = devinitfn_ ##d;                                \
-} while(0);
-
-#ifdef RTE_LIBRTE_EM_PMD
-  _(em_pmd_drv)
-#endif
-
-#ifdef RTE_LIBRTE_IGB_PMD
-  _(pmd_igb_drv)
-#endif
-
-#ifdef RTE_LIBRTE_IXGBE_PMD
-  _(rte_ixgbe_driver)
-#endif
-
-#ifdef RTE_LIBRTE_I40E_PMD
-  _(rte_i40e_driver)
-  _(rte_i40evf_driver)
-#endif
-
-#ifdef RTE_LIBRTE_FM10K_PMD
-  _(rte_fm10k_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_PMD
-  _(rte_virtio_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VMXNET3_PMD
-  _(rte_vmxnet3_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VICE_PMD
-  _(rte_vice_driver)
-#endif
-
-#ifdef RTE_LIBRTE_ENIC_PMD
-  _(rte_enic_driver)
-#endif
-
-#ifdef RTE_LIBRTE_PMD_AF_PACKET
-  _(pmd_af_packet_drv)
-#endif
-
-#ifdef RTE_LIBRTE_CXGBE_PMD
-  _(rte_cxgbe_driver)
-#endif
-
-#undef _
-
-/* 
- * At the moment, the ThunderX NIC driver doesn't have
- * an entry point named "devinitfn_rte_xxx_driver"
- */
-#define _(d)                                          \
-do {                                                  \
-  void d(void);                                              \
-  __attribute__((unused)) void (* volatile pf)(void); \
-  pf = d;                                            \
-} while(0);
-
-#ifdef RTE_LIBRTE_THUNDERVNIC_PMD
-_(rte_nicvf_pmd_init)
-#endif
-#undef _
-
   dm->vlib_main = vm;
   dm->vnet_main = vnet_get_main();
+  dm->conf = &dpdk_config_main;
 
   ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
   if (ei == 0)
@@ -1756,9 +1689,9 @@ _(rte_nicvf_pmd_init)
 
   dm->ethernet_input_node_index = ei->index;
 
-  dm->nchannels = 4;
-  dm->num_mbufs = dm->num_mbufs ? dm->num_mbufs : NB_MBUF;
-  vec_add1 (dm->eal_init_args, (u8 *) "vnet");
+  dm->conf->nchannels = 4;
+  dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
+  vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
 
   dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
   dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
@@ -1775,8 +1708,8 @@ _(rte_nicvf_pmd_init)
       DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
 
   /* vhost-user coalescence frames defaults */
-  dm->vhost_coalesce_frames = 32;
-  dm->vhost_coalesce_time = 1e-3;
+  dm->conf->vhost_coalesce_frames = 32;
+  dm->conf->vhost_coalesce_time = 1e-3;
 
   /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
   dm->buffer_flags_template = 
@@ -1784,6 +1717,9 @@ _(rte_nicvf_pmd_init)
      | IP_BUFFER_L4_CHECKSUM_COMPUTED
      | IP_BUFFER_L4_CHECKSUM_CORRECT);
 
+  dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
+  dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
+
   /* init CLI */
   if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
     return error;