dpdk: be a plugin

Change-Id: I238258cdeb77035adc5e88903d824593d0a1da90
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 754 insertions, 0 deletions

diff --git a/src/plugins/dpdk/device/format.c b/src/plugins/dpdk/device/format.c
new file mode 100644
index 00000000000..25a8c5cbe85
--- /dev/null
+++ b/src/plugins/dpdk/device/format.c
@@ -0,0 +1,754 @@
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <vnet/vnet.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/format.h>
+#include <vlib/unix/cj.h>
+#include <assert.h>
+
+#include <vnet/ethernet/ethernet.h>
+#include <dpdk/device/dpdk.h>
+
+#include <dpdk/device/dpdk_priv.h>
+#include <vppinfra/error.h>
+
+#define foreach_dpdk_counter                    \
+  _ (tx_frames_ok, opackets)                    \
+  _ (tx_bytes_ok, obytes)                       \
+  _ (tx_errors, oerrors)                        \
+  _ (rx_frames_ok, ipackets)                    \
+  _ (rx_bytes_ok, ibytes)                       \
+  _ (rx_errors, ierrors)                        \
+  _ (rx_missed, imissed)                        \
+  _ (rx_no_bufs, rx_nombuf)
+
+#define foreach_dpdk_q_counter                  \
+  _ (rx_frames_ok, q_ipackets)                  \
+  _ (tx_frames_ok, q_opackets)                  \
+  _ (rx_bytes_ok, q_ibytes)                     \
+  _ (tx_bytes_ok, q_obytes)                     \
+  _ (rx_errors, q_errors)
+
+#define foreach_dpdk_rss_hf                    \
+  _(ETH_RSS_FRAG_IPV4,          "ipv4-frag")   \
+  _(ETH_RSS_NONFRAG_IPV4_TCP,   "ipv4-tcp")    \
+  _(ETH_RSS_NONFRAG_IPV4_UDP,   "ipv4-udp")    \
+  _(ETH_RSS_NONFRAG_IPV4_SCTP,  "ipv4-sctp")   \
+  _(ETH_RSS_NONFRAG_IPV4_OTHER, "ipv4-other")  \
+  _(ETH_RSS_IPV4,               "ipv4")        \
+  _(ETH_RSS_IPV6_TCP_EX,        "ipv6-tcp-ex") \
+  _(ETH_RSS_IPV6_UDP_EX,        "ipv6-udp-ex") \
+  _(ETH_RSS_FRAG_IPV6,          "ipv6-frag")   \
+  _(ETH_RSS_NONFRAG_IPV6_TCP,   "ipv6-tcp")    \
+  _(ETH_RSS_NONFRAG_IPV6_UDP,   "ipv6-udp")    \
+  _(ETH_RSS_NONFRAG_IPV6_SCTP,  "ipv6-sctp")   \
+  _(ETH_RSS_NONFRAG_IPV6_OTHER, "ipv6-other")  \
+  _(ETH_RSS_L2_PAYLOAD,         "l2-payload")  \
+  _(ETH_RSS_IPV6_EX,            "ipv6-ex")     \
+  _(ETH_RSS_IPV6,               "ipv6")
+
+
+#define foreach_dpdk_rx_offload_caps            \
+  _(DEV_RX_OFFLOAD_VLAN_STRIP, "vlan-strip")    \
+  _(DEV_RX_OFFLOAD_IPV4_CKSUM, "ipv4-cksum")    \
+  _(DEV_RX_OFFLOAD_UDP_CKSUM , "udp-cksum")     \
+  _(DEV_RX_OFFLOAD_TCP_CKSUM , "tcp-cksum")     \
+  _(DEV_RX_OFFLOAD_TCP_LRO   , "rcp-lro")       \
+  _(DEV_RX_OFFLOAD_QINQ_STRIP, "qinq-strip")
+
+#define foreach_dpdk_tx_offload_caps           \
+  _(DEV_TX_OFFLOAD_VLAN_INSERT, "vlan-insert") \
+  _(DEV_TX_OFFLOAD_IPV4_CKSUM,  "ipv4-cksum")  \
+  _(DEV_TX_OFFLOAD_UDP_CKSUM  , "udp-cksum")   \
+  _(DEV_TX_OFFLOAD_TCP_CKSUM  , "tcp-cksum")   \
+  _(DEV_TX_OFFLOAD_SCTP_CKSUM , "sctp-cksum")  \
+  _(DEV_TX_OFFLOAD_TCP_TSO    , "tcp-tso")     \
+  _(DEV_TX_OFFLOAD_UDP_TSO    , "udp-tso")     \
+  _(DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM, "outer-ipv4-cksum") \
+  _(DEV_TX_OFFLOAD_QINQ_INSERT, "qinq-insert")
+
+#define foreach_dpdk_pkt_rx_offload_flag                                \
+  _ (PKT_RX_VLAN_PKT, "RX packet is a 802.1q VLAN packet")              \
+  _ (PKT_RX_RSS_HASH, "RX packet with RSS hash result")                 \
+  _ (PKT_RX_FDIR, "RX packet with FDIR infos")                          \
+  _ (PKT_RX_L4_CKSUM_BAD, "L4 cksum of RX pkt. is not OK")              \
+  _ (PKT_RX_IP_CKSUM_BAD, "IP cksum of RX pkt. is not OK")              \
+  _ (PKT_RX_VLAN_STRIPPED, "RX packet VLAN tag stripped")               \
+  _ (PKT_RX_IP_CKSUM_GOOD, "IP cksum of RX pkt. is valid")              \
+  _ (PKT_RX_L4_CKSUM_GOOD, "L4 cksum of RX pkt. is valid")              \
+  _ (PKT_RX_IEEE1588_PTP, "RX IEEE1588 L2 Ethernet PT Packet")          \
+  _ (PKT_RX_IEEE1588_TMST, "RX IEEE1588 L2/L4 timestamped packet")      \
+  _ (PKT_RX_QINQ_STRIPPED, "RX packet QinQ tags stripped")
+
+#define foreach_dpdk_pkt_type                                           \
+  _ (L2, ETHER, "Ethernet packet")                                      \
+  _ (L2, ETHER_TIMESYNC, "Ethernet packet for time sync")               \
+  _ (L2, ETHER_ARP, "ARP packet")                                       \
+  _ (L2, ETHER_LLDP, "LLDP (Link Layer Discovery Protocol) packet")     \
+  _ (L2, ETHER_NSH, "NSH (Network Service Header) packet")              \
+  _ (L2, ETHER_VLAN, "VLAN packet")                                     \
+  _ (L2, ETHER_QINQ, "QinQ packet")                                     \
+  _ (L3, IPV4, "IPv4 packet without extension headers")                 \
+  _ (L3, IPV4_EXT, "IPv4 packet with extension headers")                \
+  _ (L3, IPV4_EXT_UNKNOWN, "IPv4 packet with or without extension headers") \
+  _ (L3, IPV6, "IPv6 packet without extension headers")                 \
+  _ (L3, IPV6_EXT, "IPv6 packet with extension headers")                \
+  _ (L3, IPV6_EXT_UNKNOWN, "IPv6 packet with or without extension headers") \
+  _ (L4, TCP, "TCP packet")                                             \
+  _ (L4, UDP, "UDP packet")                                             \
+  _ (L4, FRAG, "Fragmented IP packet")                                  \
+  _ (L4, SCTP, "SCTP (Stream Control Transmission Protocol) packet")    \
+  _ (L4, ICMP, "ICMP packet")                                           \
+  _ (L4, NONFRAG, "Non-fragmented IP packet")                           \
+  _ (TUNNEL, GRE, "GRE tunneling packet")                               \
+  _ (TUNNEL, VXLAN, "VXLAN tunneling packet")                           \
+  _ (TUNNEL, NVGRE, "NVGRE Tunneling packet")                           \
+  _ (TUNNEL, GENEVE, "GENEVE Tunneling packet")                         \
+  _ (TUNNEL, GRENAT, "Teredo, VXLAN or GRE Tunneling packet")           \
+  _ (INNER_L2, ETHER, "Inner Ethernet packet")                          \
+  _ (INNER_L2, ETHER_VLAN, "Inner Ethernet packet with VLAN")           \
+  _ (INNER_L3, IPV4, "Inner IPv4 packet without extension headers")     \
+  _ (INNER_L3, IPV4_EXT, "Inner IPv4 packet with extension headers")    \
+  _ (INNER_L3, IPV4_EXT_UNKNOWN, "Inner IPv4 packet with or without extension headers") \
+  _ (INNER_L3, IPV6, "Inner IPv6 packet without extension headers")     \
+  _ (INNER_L3, IPV6_EXT, "Inner IPv6 packet with extension headers")    \
+  _ (INNER_L3, IPV6_EXT_UNKNOWN, "Inner IPv6 packet with or without extension headers") \
+  _ (INNER_L4, TCP, "Inner TCP packet")                                 \
+  _ (INNER_L4, UDP, "Inner UDP packet")                                 \
+  _ (INNER_L4, FRAG, "Inner fagmented IP packet")                       \
+  _ (INNER_L4, SCTP, "Inner SCTP (Stream Control Transmission Protocol) packet") \
+  _ (INNER_L4, ICMP, "Inner ICMP packet")                               \
+  _ (INNER_L4, NONFRAG, "Inner non-fragmented IP packet")
+
+#define foreach_dpdk_pkt_tx_offload_flag                                \
+  _ (PKT_TX_VLAN_PKT, "TX packet is a 802.1q VLAN packet")              \
+  _ (PKT_TX_IP_CKSUM, "IP cksum of TX pkt. computed by NIC")            \
+  _ (PKT_TX_TCP_CKSUM, "TCP cksum of TX pkt. computed by NIC")          \
+  _ (PKT_TX_SCTP_CKSUM, "SCTP cksum of TX pkt. computed by NIC")        \
+  _ (PKT_TX_IEEE1588_TMST, "TX IEEE1588 packet to timestamp")
+
+#define foreach_dpdk_pkt_offload_flag           \
+  foreach_dpdk_pkt_rx_offload_flag              \
+  foreach_dpdk_pkt_tx_offload_flag
+
+u8 *
+format_dpdk_device_name (u8 * s, va_list * args)
+{
+  dpdk_main_t *dm = &dpdk_main;
+  char *devname_format;
+  char *device_name;
+  u32 i = va_arg (*args, u32);
+  struct rte_eth_dev_info dev_info;
+  u8 *ret;
+
+  if (dm->conf->interface_name_format_decimal)
+    devname_format = "%s%d/%d/%d";
+  else
+    devname_format = "%s%x/%x/%x";
+
+  switch (dm->devices[i].port_type)
+    {
+    case VNET_DPDK_PORT_TYPE_ETH_1G:
+      device_name = "GigabitEthernet";
+      break;
+
+    case VNET_DPDK_PORT_TYPE_ETH_10G:
+      device_name = "TenGigabitEthernet";
+      break;
+
+    case VNET_DPDK_PORT_TYPE_ETH_40G:
+      device_name = "FortyGigabitEthernet";
+      break;
+
+    case VNET_DPDK_PORT_TYPE_ETH_100G:
+      device_name = "HundredGigabitEthernet";
+      break;
+
+    case VNET_DPDK_PORT_TYPE_ETH_BOND:
+      return format (s, "BondEthernet%d", dm->devices[i].device_index);
+
+    case VNET_DPDK_PORT_TYPE_ETH_SWITCH:
+      device_name = "EthernetSwitch";
+      break;
+
+    case VNET_DPDK_PORT_TYPE_AF_PACKET:
+      rte_eth_dev_info_get (i, &dev_info);
+      return format (s, "af_packet%d", dm->devices[i].af_packet_port_id);
+
+    default:
+    case VNET_DPDK_PORT_TYPE_UNKNOWN:
+      device_name = "UnknownEthernet";
+      break;
+    }
+
+  rte_eth_dev_info_get (i, &dev_info);
+
+  if (dev_info.pci_dev)
+    ret = format (s, devname_format, device_name, dev_info.pci_dev->addr.bus,
+		  dev_info.pci_dev->addr.devid,
+		  dev_info.pci_dev->addr.function);
+  else
+    ret = format (s, "%s%d", device_name, dm->devices[i].device_index);
+
+  if (dm->devices[i].interface_name_suffix)
+    return format (ret, "/%s", dm->devices[i].interface_name_suffix);
+  return ret;
+}
+
+static u8 *
+format_dpdk_device_type (u8 * s, va_list * args)
+{
+  dpdk_main_t *dm = &dpdk_main;
+  char *dev_type;
+  u32 i = va_arg (*args, u32);
+
+  switch (dm->devices[i].pmd)
+    {
+    case VNET_DPDK_PMD_E1000EM:
+      dev_type = "Intel 82540EM (e1000)";
+      break;
+
+    case VNET_DPDK_PMD_IGB:
+      dev_type = "Intel e1000";
+      break;
+
+    case VNET_DPDK_PMD_I40E:
+      dev_type = "Intel X710/XL710 Family";
+      break;
+
+    case VNET_DPDK_PMD_I40EVF:
+      dev_type = "Intel X710/XL710 Family VF";
+      break;
+
+    case VNET_DPDK_PMD_FM10K:
+      dev_type = "Intel FM10000 Family Ethernet Switch";
+      break;
+
+    case VNET_DPDK_PMD_IGBVF:
+      dev_type = "Intel e1000 VF";
+      break;
+
+    case VNET_DPDK_PMD_VIRTIO:
+      dev_type = "Red Hat Virtio";
+      break;
+
+    case VNET_DPDK_PMD_IXGBEVF:
+      dev_type = "Intel 82599 VF";
+      break;
+
+    case VNET_DPDK_PMD_IXGBE:
+      dev_type = "Intel 82599";
+      break;
+
+    case VNET_DPDK_PMD_ENIC:
+      dev_type = "Cisco VIC";
+      break;
+
+    case VNET_DPDK_PMD_CXGBE:
+      dev_type = "Chelsio T4/T5";
+      break;
+
+    case VNET_DPDK_PMD_MLX5:
+      dev_type = "Mellanox ConnectX-4 Family";
+      break;
+
+    case VNET_DPDK_PMD_VMXNET3:
+      dev_type = "VMware VMXNET3";
+      break;
+
+    case VNET_DPDK_PMD_AF_PACKET:
+      dev_type = "af_packet";
+      break;
+
+    case VNET_DPDK_PMD_BOND:
+      dev_type = "Ethernet Bonding";
+      break;
+
+    case VNET_DPDK_PMD_DPAA2:
+      dev_type = "NXP DPAA2 Mac";
+      break;
+
+    default:
+    case VNET_DPDK_PMD_UNKNOWN:
+      dev_type = "### UNKNOWN ###";
+      break;
+    }
+
+  return format (s, dev_type);
+}
+
+static u8 *
+format_dpdk_link_status (u8 * s, va_list * args)
+{
+  dpdk_device_t *xd = va_arg (*args, dpdk_device_t *);
+  struct rte_eth_link *l = &xd->link;
+  vnet_main_t *vnm = vnet_get_main ();
+  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, xd->vlib_hw_if_index);
+
+  s = format (s, "%s ", l->link_status ? "up" : "down");
+  if (l->link_status)
+    {
+      u32 promisc = rte_eth_promiscuous_get (xd->device_index);
+
+      s = format (s, "%s duplex ", (l->link_duplex == ETH_LINK_FULL_DUPLEX) ?
+		  "full" : "half");
+      s = format (s, "speed %u mtu %d %s\n", l->link_speed,
+		  hi->max_packet_bytes, promisc ? " promisc" : "");
+    }
+  else
+    s = format (s, "\n");
+
+  return s;
+}
+
+#define _line_len 72
+#define _(v, str)                                            \
+if (bitmap & v) {                                            \
+  if (format_get_indent (s) > next_split ) {                 \
+    next_split += _line_len;                                 \
+    s = format(s,"\n%U", format_white_space, indent);        \
+  }                                                          \
+  s = format(s, "%s ", str);                                 \
+}
+
+static u8 *
+format_dpdk_rss_hf_name (u8 * s, va_list * args)
+{
+  u64 bitmap = va_arg (*args, u64);
+  int next_split = _line_len;
+  int indent = format_get_indent (s);
+
+  if (!bitmap)
+    return format (s, "none");
+
+  foreach_dpdk_rss_hf return s;
+}
+
+static u8 *
+format_dpdk_rx_offload_caps (u8 * s, va_list * args)
+{
+  u32 bitmap = va_arg (*args, u32);
+  int next_split = _line_len;
+  int indent = format_get_indent (s);
+
+  if (!bitmap)
+    return format (s, "none");
+
+  foreach_dpdk_rx_offload_caps return s;
+}
+
+static u8 *
+format_dpdk_tx_offload_caps (u8 * s, va_list * args)
+{
+  u32 bitmap = va_arg (*args, u32);
+  int next_split = _line_len;
+  int indent = format_get_indent (s);
+  if (!bitmap)
+    return format (s, "none");
+
+  foreach_dpdk_tx_offload_caps return s;
+}
+
+#undef _line_len
+#undef _
+
+u8 *
+format_dpdk_device (u8 * s, va_list * args)
+{
+  u32 dev_instance = va_arg (*args, u32);
+  int verbose = va_arg (*args, int);
+  dpdk_main_t *dm = &dpdk_main;
+  dpdk_device_t *xd = vec_elt_at_index (dm->devices, dev_instance);
+  uword indent = format_get_indent (s);
+  f64 now = vlib_time_now (dm->vlib_main);
+  struct rte_eth_dev_info di;
+
+  dpdk_update_counters (xd, now);
+  dpdk_update_link_state (xd, now);
+
+  s = format (s, "%U\n%Ucarrier %U",
+	      format_dpdk_device_type, xd->device_index,
+	      format_white_space, indent + 2, format_dpdk_link_status, xd);
+
+  rte_eth_dev_info_get (xd->device_index, &di);
+
+  if (verbose > 1 && xd->flags & DPDK_DEVICE_FLAG_PMD)
+    {
+      struct rte_pci_device *pci;
+      struct rte_eth_rss_conf rss_conf;
+      int vlan_off;
+      int retval;
+
+      rss_conf.rss_key = 0;
+      retval = rte_eth_dev_rss_hash_conf_get (xd->device_index, &rss_conf);
+      if (retval < 0)
+	clib_warning ("rte_eth_dev_rss_hash_conf_get returned %d", retval);
+      pci = di.pci_dev;
+
+      if (pci)
+	s =
+	  format (s,
+		  "%Upci id:            device %04x:%04x subsystem %04x:%04x\n"
+		  "%Upci address:       %04x:%02x:%02x.%02x\n",
+		  format_white_space, indent + 2, pci->id.vendor_id,
+		  pci->id.device_id, pci->id.subsystem_vendor_id,
+		  pci->id.subsystem_device_id, format_white_space, indent + 2,
+		  pci->addr.domain, pci->addr.bus, pci->addr.devid,
+		  pci->addr.function);
+      s =
+	format (s, "%Umax rx packet len: %d\n", format_white_space,
+		indent + 2, di.max_rx_pktlen);
+      s =
+	format (s, "%Umax num of queues: rx %d tx %d\n", format_white_space,
+		indent + 2, di.max_rx_queues, di.max_tx_queues);
+      s =
+	format (s, "%Upromiscuous:       unicast %s all-multicast %s\n",
+		format_white_space, indent + 2,
+		rte_eth_promiscuous_get (xd->device_index) ? "on" : "off",
+		rte_eth_promiscuous_get (xd->device_index) ? "on" : "off");
+      vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
+      s = format (s, "%Uvlan offload:      strip %s filter %s qinq %s\n",
+		  format_white_space, indent + 2,
+		  vlan_off & ETH_VLAN_STRIP_OFFLOAD ? "on" : "off",
+		  vlan_off & ETH_VLAN_FILTER_OFFLOAD ? "on" : "off",
+		  vlan_off & ETH_VLAN_EXTEND_OFFLOAD ? "on" : "off");
+      s = format (s, "%Urx offload caps:   %U\n",
+		  format_white_space, indent + 2,
+		  format_dpdk_rx_offload_caps, di.rx_offload_capa);
+      s = format (s, "%Utx offload caps:   %U\n",
+		  format_white_space, indent + 2,
+		  format_dpdk_tx_offload_caps, di.tx_offload_capa);
+      s = format (s, "%Urss active:        %U\n"
+		  "%Urss supported:     %U\n",
+		  format_white_space, indent + 2,
+		  format_dpdk_rss_hf_name, rss_conf.rss_hf,
+		  format_white_space, indent + 2,
+		  format_dpdk_rss_hf_name, di.flow_type_rss_offloads);
+    }
+
+  s = format (s, "%Urx queues %d, rx desc %d, tx queues %d, tx desc %d\n",
+	      format_white_space, indent + 2,
+	      xd->rx_q_used, xd->nb_rx_desc, xd->tx_q_used, xd->nb_tx_desc);
+
+  if (xd->cpu_socket > -1)
+    s = format (s, "%Ucpu socket %d\n",
+		format_white_space, indent + 2, xd->cpu_socket);
+
+  /* $$$ MIB counters  */
+  {
+#define _(N, V)							\
+    if ((xd->stats.V - xd->last_cleared_stats.V) != 0) {       \
+      s = format (s, "\n%U%-40U%16Ld",                         \
+                  format_white_space, indent + 2,              \
+                  format_c_identifier, #N,                     \
+                  xd->stats.V - xd->last_cleared_stats.V);     \
+    }                                                          \
+
+    foreach_dpdk_counter
+#undef _
+  }
+
+  u8 *xs = 0;
+  u32 i = 0;
+  struct rte_eth_xstat *xstat, *last_xstat;
+  struct rte_eth_xstat_name *xstat_names = 0;
+  int len = rte_eth_xstats_get_names (xd->device_index, NULL, 0);
+  vec_validate (xstat_names, len - 1);
+  rte_eth_xstats_get_names (xd->device_index, xstat_names, len);
+
+  ASSERT (vec_len (xd->xstats) == vec_len (xd->last_cleared_xstats));
+
+  /* *INDENT-OFF* */
+  vec_foreach_index(i, xd->xstats)
+    {
+      u64 delta = 0;
+      xstat = vec_elt_at_index(xd->xstats, i);
+      last_xstat = vec_elt_at_index(xd->last_cleared_xstats, i);
+
+      delta = xstat->value - last_xstat->value;
+      if (verbose == 2 || (verbose && delta))
+        {
+          /* format_c_identifier doesn't like c strings inside vector */
+          u8 * name = format(0,"%s", xstat_names[i].name);
+          xs = format(xs, "\n%U%-38U%16Ld",
+                      format_white_space, indent + 4,
+                      format_c_identifier, name, delta);
+          vec_free(name);
+        }
+    }
+  /* *INDENT-ON* */
+
+  vec_free (xstat_names);
+
+  if (xs)
+    {
+      s = format (s, "\n%Uextended stats:%v",
+		  format_white_space, indent + 2, xs);
+      vec_free (xs);
+    }
+
+  return s;
+}
+
+u8 *
+format_dpdk_tx_dma_trace (u8 * s, va_list * va)
+{
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
+  CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+  CLIB_UNUSED (vnet_main_t * vnm) = vnet_get_main ();
+  dpdk_tx_dma_trace_t *t = va_arg (*va, dpdk_tx_dma_trace_t *);
+  dpdk_main_t *dm = &dpdk_main;
+  dpdk_device_t *xd = vec_elt_at_index (dm->devices, t->device_index);
+  uword indent = format_get_indent (s);
+  vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
+
+  s = format (s, "%U tx queue %d",
+	      format_vnet_sw_interface_name, vnm, sw, t->queue_index);
+
+  s = format (s, "\n%Ubuffer 0x%x: %U",
+	      format_white_space, indent,
+	      t->buffer_index, format_vlib_buffer, &t->buffer);
+
+  s = format (s, "\n%U%U", format_white_space, indent,
+	      format_ethernet_header_with_length, t->buffer.pre_data,
+	      sizeof (t->buffer.pre_data));
+
+  return s;
+}
+
+u8 *
+format_dpdk_rx_dma_trace (u8 * s, va_list * va)
+{
+  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *);
+  CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *);
+  CLIB_UNUSED (vnet_main_t * vnm) = vnet_get_main ();
+  dpdk_rx_dma_trace_t *t = va_arg (*va, dpdk_rx_dma_trace_t *);
+  dpdk_main_t *dm = &dpdk_main;
+  dpdk_device_t *xd = vec_elt_at_index (dm->devices, t->device_index);
+  format_function_t *f;
+  uword indent = format_get_indent (s);
+  vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, xd->vlib_sw_if_index);
+
+  s = format (s, "%U rx queue %d",
+	      format_vnet_sw_interface_name, vnm, sw, t->queue_index);
+
+  s = format (s, "\n%Ubuffer 0x%x: %U",
+	      format_white_space, indent,
+	      t->buffer_index, format_vlib_buffer, &t->buffer);
+
+  s = format (s, "\n%U%U",
+	      format_white_space, indent,
+	      format_dpdk_rte_mbuf, &t->mb, &t->data);
+
+  if (vm->trace_main.verbose)
+    {
+      s = format (s, "\n%UPacket Dump%s", format_white_space, indent + 2,
+		  t->mb.data_len > sizeof (t->data) ? " (truncated)" : "");
+      s = format (s, "\n%U%U", format_white_space, indent + 4,
+		  format_hexdump, &t->data,
+		  t->mb.data_len >
+		  sizeof (t->data) ? sizeof (t->data) : t->mb.data_len);
+    }
+  f = node->format_buffer;
+  if (!f)
+    f = format_hex_bytes;
+  s = format (s, "\n%U%U", format_white_space, indent,
+	      f, t->buffer.pre_data, sizeof (t->buffer.pre_data));
+
+  return s;
+}
+
+
+static inline u8 *
+format_dpdk_pkt_types (u8 * s, va_list * va)
+{
+  u32 *pkt_types = va_arg (*va, u32 *);
+  uword indent __attribute__ ((unused)) = format_get_indent (s) + 2;
+
+  if (!*pkt_types)
+    return s;
+
+  s = format (s, "Packet Types");
+
+#define _(L, F, S)             \
+  if ((*pkt_types & RTE_PTYPE_##L##_MASK) == RTE_PTYPE_##L##_##F)           \
+    {                                                                       \
+      s = format (s, "\n%U%s (0x%04x) %s", format_white_space, indent,      \
+                     "RTE_PTYPE_" #L "_" #F, RTE_PTYPE_##L##_##F, S);       \
+    }
+
+  foreach_dpdk_pkt_type
+#undef _
+    return s;
+}
+
+static inline u8 *
+format_dpdk_pkt_offload_flags (u8 * s, va_list * va)
+{
+  u64 *ol_flags = va_arg (*va, u64 *);
+  uword indent = format_get_indent (s) + 2;
+
+  if (!*ol_flags)
+    return s;
+
+  s = format (s, "Packet Offload Flags");
+
+#define _(F, S)             \
+  if (*ol_flags & F)            \
+    {               \
+      s = format (s, "\n%U%s (0x%04x) %s",      \
+      format_white_space, indent, #F, F, S);  \
+    }
+
+  foreach_dpdk_pkt_offload_flag
+#undef _
+    return s;
+}
+
+u8 *
+format_dpdk_rte_mbuf_vlan (u8 * s, va_list * va)
+{
+  ethernet_vlan_header_tv_t *vlan_hdr =
+    va_arg (*va, ethernet_vlan_header_tv_t *);
+
+  if (clib_net_to_host_u16 (vlan_hdr->type) == ETHERNET_TYPE_DOT1AD)
+    {
+      s = format (s, "%U 802.1q vlan ",
+		  format_ethernet_vlan_tci,
+		  clib_net_to_host_u16 (vlan_hdr->priority_cfi_and_id));
+      vlan_hdr++;
+    }
+
+  s = format (s, "%U",
+	      format_ethernet_vlan_tci,
+	      clib_net_to_host_u16 (vlan_hdr->priority_cfi_and_id));
+
+  return s;
+}
+
+u8 *
+format_dpdk_rte_mbuf (u8 * s, va_list * va)
+{
+  struct rte_mbuf *mb = va_arg (*va, struct rte_mbuf *);
+  ethernet_header_t *eth_hdr = va_arg (*va, ethernet_header_t *);
+  uword indent = format_get_indent (s) + 2;
+
+  s = format (s, "PKT MBUF: port %d, nb_segs %d, pkt_len %d"
+	      "\n%Ubuf_len %d, data_len %d, ol_flags 0x%x, data_off %d, phys_addr 0x%x"
+	      "\n%Upacket_type 0x%x",
+	      mb->port, mb->nb_segs, mb->pkt_len,
+	      format_white_space, indent,
+	      mb->buf_len, mb->data_len, mb->ol_flags, mb->data_off,
+	      mb->buf_physaddr, format_white_space, indent, mb->packet_type);
+
+  if (mb->ol_flags)
+    s = format (s, "\n%U%U", format_white_space, indent,
+		format_dpdk_pkt_offload_flags, &mb->ol_flags);
+
+  if ((mb->ol_flags & PKT_RX_VLAN_PKT) &&
+      ((mb->ol_flags & (PKT_RX_VLAN_STRIPPED | PKT_RX_QINQ_STRIPPED)) == 0))
+    {
+      ethernet_vlan_header_tv_t *vlan_hdr =
+	((ethernet_vlan_header_tv_t *) & (eth_hdr->type));
+      s = format (s, " %U", format_dpdk_rte_mbuf_vlan, vlan_hdr);
+    }
+
+  if (mb->packet_type)
+    s = format (s, "\n%U%U", format_white_space, indent,
+		format_dpdk_pkt_types, &mb->packet_type);
+
+  return s;
+}
+
+/* FIXME is this function used? */
+#if 0
+uword
+unformat_socket_mem (unformat_input_t * input, va_list * va)
+{
+  uword **r = va_arg (*va, uword **);
+  int i = 0;
+  u32 mem;
+
+  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
+	{
+	  unformat_put_input (input);
+	  goto done;
+	}
+      i++;
+    }
+
+done:
+  return 1;
+}
+#endif
+
+clib_error_t *
+unformat_rss_fn (unformat_input_t * input, uword * rss_fn)
+{
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (0)
+	;
+#undef _
+#define _(f, s)                                 \
+      else if (unformat (input, s))             \
+        *rss_fn |= f;
+
+      foreach_dpdk_rss_hf
+#undef _
+	else
+	{
+	  return clib_error_return (0, "unknown input `%U'",
+				    format_unformat_error, input);
+	}
+    }
+  return 0;
+}
+
+clib_error_t *
+unformat_hqos (unformat_input_t * input, dpdk_device_config_hqos_t * hqos)
+{
+  clib_error_t *error = 0;
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (input, "hqos-thread %u", &hqos->hqos_thread))
+	hqos->hqos_thread_valid = 1;
+      else
+	{
+	  error = clib_error_return (0, "unknown input `%U'",
+				     format_unformat_error, input);
+	  break;
+	}
+    }
+
+  return error;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */