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From: Xiaoyun Li <xiaoyun.li@intel.com>
To: ferruh.yigit@intel.com, dev@dpdk.org
Cc: arybchenko@solarflare.com, Xiaoyun Li <xiaoyun.li@intel.com>
Subject: [dpdk-dev] [PATCH] examples/tep_term: deprecate this example
Date: Mon, 19 Oct 2020 16:27:57 +0800
Message-ID: <20201019082757.32474-1-xiaoyun.li@intel.com> (raw)

The tunnel cases this example wants to test can be covered by testpmd
with rte_flow_create. And this example hasn't been used for a long time.
So deprecate this example.

Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
---
 MAINTAINERS                                   |    4 -
 .../img/tep_termination_arch.svg              | 1400 -----------------
 doc/guides/sample_app_ug/index.rst            |    1 -
 doc/guides/sample_app_ug/tep_termination.rst  |  233 ---
 examples/meson.build                          |    2 +-
 examples/tep_termination/Makefile             |   45 -
 examples/tep_termination/main.c               | 1235 ---------------
 examples/tep_termination/main.h               |   93 --
 examples/tep_termination/meson.build          |   16 -
 examples/tep_termination/vxlan.c              |  243 ---
 examples/tep_termination/vxlan.h              |   57 -
 examples/tep_termination/vxlan_setup.c        |  443 ------
 examples/tep_termination/vxlan_setup.h        |   58 -
 13 files changed, 1 insertion(+), 3829 deletions(-)
 delete mode 100644 doc/guides/sample_app_ug/img/tep_termination_arch.svg
 delete mode 100644 doc/guides/sample_app_ug/tep_termination.rst
 delete mode 100644 examples/tep_termination/Makefile
 delete mode 100644 examples/tep_termination/main.c
 delete mode 100644 examples/tep_termination/main.h
 delete mode 100644 examples/tep_termination/meson.build
 delete mode 100644 examples/tep_termination/vxlan.c
 delete mode 100644 examples/tep_termination/vxlan.h
 delete mode 100644 examples/tep_termination/vxlan_setup.c
 delete mode 100644 examples/tep_termination/vxlan_setup.h

diff --git a/MAINTAINERS b/MAINTAINERS
index f7ecb5305..cd7e0215c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1659,10 +1659,6 @@ M: John McNamara <john.mcnamara@intel.com>
 F: examples/skeleton/
 F: doc/guides/sample_app_ug/skeleton.rst
 
-TEP termination example
-M: Xiaoyun Li <xiaoyun.li@intel.com>
-F: examples/tep_termination/
-
 VMDq examples
 F: examples/vmdq/
 F: doc/guides/sample_app_ug/vmdq_forwarding.rst
diff --git a/doc/guides/sample_app_ug/img/tep_termination_arch.svg b/doc/guides/sample_app_ug/img/tep_termination_arch.svg
deleted file mode 100644
index 54f1655cd..000000000
--- a/doc/guides/sample_app_ug/img/tep_termination_arch.svg
+++ /dev/null
@@ -1,1400 +0,0 @@
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diff --git a/doc/guides/sample_app_ug/index.rst b/doc/guides/sample_app_ug/index.rst
index affa9c574..ef66e23bb 100644
--- a/doc/guides/sample_app_ug/index.rst
+++ b/doc/guides/sample_app_ug/index.rst
@@ -51,7 +51,6 @@ Sample Applications User Guides
     eventdev_pipeline
     dist_app
     vm_power_management
-    tep_termination
     ptpclient
     performance_thread
     fips_validation
diff --git a/doc/guides/sample_app_ug/tep_termination.rst b/doc/guides/sample_app_ug/tep_termination.rst
deleted file mode 100644
index df159355d..000000000
--- a/doc/guides/sample_app_ug/tep_termination.rst
+++ /dev/null
@@ -1,233 +0,0 @@
-..  SPDX-License-Identifier: BSD-3-Clause
-    Copyright(c) 2010-2015 Intel Corporation.
-
-TEP termination Sample Application
-==================================
-
-The TEP (Tunnel End point) termination sample application simulates a VXLAN
-Tunnel Endpoint (VTEP) termination in DPDK, which is used to demonstrate
-the offload and filtering capabilities of Intel® XL710 10/40 Gigabit Ethernet
-Controller for VXLAN packet.
-This sample uses the basic virtio devices management mechanism from vhost example,
-and also uses the us-vHost interface and tunnel filtering mechanism to direct
-a specified traffic to a specific VM.
-In addition, this sample is also designed to show how tunneling protocols can be handled.
-
-Background
-----------
-
-With virtualization, overlay networks allow a network structure to be built
-or imposed across physical nodes which is abstracted away from the actual
-underlining physical network connections.
-This allows network isolation, QOS, etc to be provided on a per client basis.
-
-.. _figure_overlay_networking:
-
-.. figure:: img/overlay_networking.*
-
-   Overlay Networking.
-
-In a typical setup, the network overlay tunnel is terminated at the Virtual/Tunnel End Point (VEP/TEP).
-The TEP is normally located at the physical host level ideally in the software switch.
-Due to processing constraints and the inevitable bottleneck that the switch
-becomes, the ability to offload overlay support features becomes an important requirement.
-Intel® XL710 10/40 Gigabit Ethernet network card provides hardware filtering
-and offload capabilities to support overlay networks implementations such as MAC in UDP and MAC in GRE.
-
-Sample Code Overview
---------------------
-
-The DPDK TEP termination sample code demonstrates the offload and filtering
-capabilities of Intel® XL710 10/40 Gigabit Ethernet Controller for VXLAN packet.
-
-The sample code is based on vhost library.
-The vhost library is developed for user space Ethernet switch to easily integrate with vhost functionality.
-
-The sample will support the followings:
-
-*   Tunneling packet recognition.
-
-*   The port of UDP tunneling is configurable
-
-*   Directing incoming traffic to the correct queue based on the tunnel filter type.
-    The supported filter type are listed below.
-
-    * Inner MAC and VLAN and tenant ID
-
-    * Inner MAC and tenant ID, and Outer MAC
-
-    * Inner MAC and tenant ID
-
-    The tenant ID will be assigned from a static internal table based on the us-vhost device ID.
-    Each device will receive a unique device ID.
-    The inner MAC will be learned by the first packet transmitted from a device.
-
-*   Decapsulation of RX VXLAN traffic. This is a software only operation.
-
-*   Encapsulation of TX VXLAN traffic. This is a software only operation.
-
-*   Inner IP and inner L4 checksum offload.
-
-*   TSO offload support for tunneling packet.
-
-The following figure shows the framework of the TEP termination sample
-application based on DPDK vhost lib.
-
-.. _figure_tep_termination_arch:
-
-.. figure:: img/tep_termination_arch.*
-
-   TEP termination Framework Overview
-
-Supported Distributions
------------------------
-
-The example in this section have been validated with the following distributions:
-
-*   Fedora* 18
-
-*   Fedora* 19
-
-*   Fedora* 20
-
-Compiling the Sample Code
--------------------------
-
-To enable vhost, turn on vhost library in the configure file
-``config/common_linux``.
-
-    .. code-block:: console
-
-        CONFIG_RTE_LIBRTE_VHOST=y
-
-Then following the to compile the sample application shown in
-:doc:`compiling`.
-
-Running the Sample Code
------------------------
-
-#.  Go to the examples directory:
-
-    .. code-block:: console
-
-        export RTE_SDK=/path/to/rte_sdk
-        cd ${RTE_SDK}/examples/tep_termination
-
-#.  Run the tep_termination sample code:
-
-    .. code-block:: console
-
-        user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                        -p 0x1 --dev-basename tep-termination --nb-devices 4
-                        --udp-port 4789 --filter-type 1
-
-.. note::
-
-    Please note the huge-dir parameter instructs the DPDK to allocate its memory from the 2 MB page hugetlbfs.
-
-Parameters
-~~~~~~~~~~
-
-**The same parameters with the vhost sample.**
-
-Refer to :ref:`vhost_app_parameters` for detailed explanation.
-
-**Number of Devices.**
-
-The nb-devices option specifies the number of virtIO device.
-The default value is 2.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                    --nb-devices 2
-
-**Tunneling UDP port.**
-
-The udp-port option is used to specify the destination UDP number for UDP tunneling packet.
-The default value is 4789.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                    --nb-devices 2 --udp-port 4789
-
-**Filter Type.**
-
-The filter-type option is used to specify which filter type is used to
-filter UDP tunneling packet to a specified queue.
-The default value is 1, which means the filter type of inner MAC and tenant ID is used.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                --nb-devices 2 --udp-port 4789 --filter-type 1
-
-**TX Checksum.**
-
-The tx-checksum option is used to enable or disable the inner header checksum offload.
-The default value is 0, which means the checksum offload is disabled.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                --nb-devices 2 --tx-checksum
-
-**TCP segment size.**
-
-The tso-segsz option specifies the TCP segment size for TSO offload for tunneling packet.
-The default value is 0, which means TSO offload is disabled.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                --tx-checksum --tso-segsz 800
-
-**Decapsulation option.**
-
-The decap option is used to enable or disable decapsulation operation for received VXLAN packet.
-The default value is 1.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                --nb-devices 4 --udp-port 4789 --decap 1
-
-**Encapsulation option.**
-
-The encap option is used to enable or disable encapsulation operation for transmitted packet.
-The default value is 1.
-
-.. code-block:: console
-
-    user@target:~$ ./build/app/tep_termination -l 0-3 -n 4 --huge-dir /mnt/huge --
-                --nb-devices 4 --udp-port 4789 --encap 1
-
-
-Running the Virtual Machine (QEMU)
-----------------------------------
-
-Refer to :ref:`vhost_app_run_vm`.
-
-Running DPDK in the Virtual Machine
------------------------------------
-
-Refer to :ref:`vhost_app_run_dpdk_inside_guest`.
-
-Passing Traffic to the Virtual Machine Device
----------------------------------------------
-
-For a virtio-net device to receive traffic, the traffic's Layer 2 header must include
-both the virtio-net device's MAC address.
-The DPDK sample code behaves in a similar manner to a learning switch in that
-it learns the MAC address of the virtio-net devices from the first transmitted packet.
-On learning the MAC address,
-the DPDK vhost sample code prints a message with the MAC address and tenant ID virtio-net device.
-For example:
-
-.. code-block:: console
-
-    DATA: (0) MAC_ADDRESS cc:bb:bb:bb:bb:bb and VNI 1000 registered
-
-The above message indicates that device 0 has been registered with MAC address cc:bb:bb:bb:bb:bb and VNI 1000.
-Any packets received on the NIC with these values are placed on the devices receive queue.
diff --git a/examples/meson.build b/examples/meson.build
index 414ec55cc..f17995532 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -40,7 +40,7 @@ all_examples = [
 	'server_node_efd/node',
 	'server_node_efd/server',
 	'service_cores',
-	'skeleton', 'tep_termination',
+	'skeleton',
 	'timer', 'vdpa',
 	'vhost', 'vhost_crypto',
 	'vhost_blk', 'vm_power_manager',
diff --git a/examples/tep_termination/Makefile b/examples/tep_termination/Makefile
deleted file mode 100644
index 443bcb190..000000000
--- a/examples/tep_termination/Makefile
+++ /dev/null
@@ -1,45 +0,0 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2010-2015 Intel Corporation
-
-# binary name
-APP = tep_termination
-
-# all source are stored in SRCS-y
-SRCS-y := main.c vxlan_setup.c vxlan.c
-
-# Build using pkg-config variables if possible
-ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
-$(error "no installation of DPDK found")
-endif
-
-all: shared
-.PHONY: shared static
-shared: build/$(APP)-shared
-	ln -sf $(APP)-shared build/$(APP)
-static: build/$(APP)-static
-	ln -sf $(APP)-static build/$(APP)
-
-LDFLAGS += -pthread
-
-PKGCONF ?= pkg-config
-
-PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null)
-CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)
-LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)
-LDFLAGS_STATIC = $(shell $(PKGCONF) --static --libs libdpdk)
-
-CFLAGS += -Wno-deprecated-declarations
-
-build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build
-	$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)
-
-build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build
-	$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)
-
-build:
-	@mkdir -p $@
-
-.PHONY: clean
-clean:
-	rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared
-	test -d build && rmdir -p build || true
diff --git a/examples/tep_termination/main.c b/examples/tep_termination/main.c
deleted file mode 100644
index 232ed59b6..000000000
--- a/examples/tep_termination/main.c
+++ /dev/null
@@ -1,1235 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <arpa/inet.h>
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <signal.h>
-#include <stdint.h>
-#include <sys/eventfd.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_atomic.h>
-#include <rte_cycles.h>
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_malloc.h>
-#include <rte_vhost.h>
-#include <rte_pause.h>
-
-#include "main.h"
-#include "vxlan.h"
-#include "vxlan_setup.h"
-
-/* the maximum number of external ports supported */
-#define MAX_SUP_PORTS 1
-
-/**
- * Calculate the number of buffers needed per port
- */
-#define NUM_MBUFS_PER_PORT ((MAX_QUEUES * RTE_TEST_RX_DESC_DEFAULT) +\
-				(nb_switching_cores * MAX_PKT_BURST) +\
-				(nb_switching_cores * \
-				RTE_TEST_TX_DESC_DEFAULT) +\
-				(nb_switching_cores * MBUF_CACHE_SIZE))
-
-#define MBUF_CACHE_SIZE 128
-#define MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE
-
-#define MAX_PKT_BURST 32	/* Max burst size for RX/TX */
-#define BURST_TX_DRAIN_US 100	/* TX drain every ~100us */
-
-/* Defines how long we wait between retries on RX */
-#define BURST_RX_WAIT_US 15
-
-#define BURST_RX_RETRIES 4	/* Number of retries on RX. */
-
-#define JUMBO_FRAME_MAX_SIZE    0x2600
-
-/* Config_core_flag status definitions. */
-#define REQUEST_DEV_REMOVAL 1
-#define ACK_DEV_REMOVAL     0
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 1024
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-/* Get first 4 bytes in mbuf headroom. */
-#define MBUF_HEADROOM_UINT32(mbuf) (*(uint32_t *)((uint8_t *)(mbuf) \
-		+ sizeof(struct rte_mbuf)))
-
-#define INVALID_PORT_ID 0xFFFF
-
-/* Maximum character device basename size. */
-#define MAX_BASENAME_SZ 20
-
-/* Maximum long option length for option parsing. */
-#define MAX_LONG_OPT_SZ 64
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFFULL
-
-#define CMD_LINE_OPT_NB_DEVICES "nb-devices"
-#define CMD_LINE_OPT_UDP_PORT "udp-port"
-#define CMD_LINE_OPT_TX_CHECKSUM "tx-checksum"
-#define CMD_LINE_OPT_TSO_SEGSZ "tso-segsz"
-#define CMD_LINE_OPT_FILTER_TYPE "filter-type"
-#define CMD_LINE_OPT_ENCAP "encap"
-#define CMD_LINE_OPT_DECAP "decap"
-#define CMD_LINE_OPT_RX_RETRY "rx-retry"
-#define CMD_LINE_OPT_RX_RETRY_DELAY "rx-retry-delay"
-#define CMD_LINE_OPT_RX_RETRY_NUM "rx-retry-num"
-#define CMD_LINE_OPT_STATS "stats"
-#define CMD_LINE_OPT_DEV_BASENAME "dev-basename"
-
-/* mask of enabled ports */
-static uint32_t enabled_port_mask;
-
-/*Number of switching cores enabled*/
-static uint32_t nb_switching_cores;
-
-/* number of devices/queues to support*/
-uint16_t nb_devices = 2;
-
-/* max ring descriptor, ixgbe, i40e, e1000 all are 4096. */
-#define MAX_RING_DESC 4096
-
-struct vpool {
-	struct rte_mempool *pool;
-	struct rte_ring *ring;
-	uint32_t buf_size;
-} vpool_array[MAX_QUEUES+MAX_QUEUES];
-
-/* UDP tunneling port */
-uint16_t udp_port = 4789;
-
-/* enable/disable inner TX checksum */
-uint8_t tx_checksum = 0;
-
-/* TCP segment size */
-uint16_t tso_segsz = 0;
-
-/* enable/disable decapsulation */
-uint8_t rx_decap = 1;
-
-/* enable/disable encapsulation */
-uint8_t tx_encap = 1;
-
-/* RX filter type for tunneling packet */
-uint8_t filter_idx = 1;
-
-/* overlay packet operation */
-struct ol_switch_ops overlay_options = {
-	.port_configure = vxlan_port_init,
-	.tunnel_setup = vxlan_link,
-	.tunnel_destroy = vxlan_unlink,
-	.tx_handle = vxlan_tx_pkts,
-	.rx_handle = vxlan_rx_pkts,
-	.param_handle = NULL,
-};
-
-/* Enable stats. */
-uint32_t enable_stats = 0;
-/* Enable retries on RX. */
-static uint32_t enable_retry = 1;
-/* Specify timeout (in useconds) between retries on RX. */
-static uint32_t burst_rx_delay_time = BURST_RX_WAIT_US;
-/* Specify the number of retries on RX. */
-static uint32_t burst_rx_retry_num = BURST_RX_RETRIES;
-
-/* Character device basename. Can be set by user. */
-static char dev_basename[MAX_BASENAME_SZ] = "vhost-net";
-
-static unsigned lcore_ids[RTE_MAX_LCORE];
-uint16_t ports[RTE_MAX_ETHPORTS];
-
-static unsigned nb_ports; /**< The number of ports specified in command line */
-
-/* ethernet addresses of ports */
-struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
-
-/* heads for the main used and free linked lists for the data path. */
-static struct virtio_net_data_ll *ll_root_used;
-static struct virtio_net_data_ll *ll_root_free;
-
-/**
- * Array of data core structures containing information on
- * individual core linked lists.
- */
-static struct lcore_info lcore_info[RTE_MAX_LCORE];
-
-/* Used for queueing bursts of TX packets. */
-struct mbuf_table {
-	unsigned len;
-	unsigned txq_id;
-	struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
-
-/* TX queue for each data core. */
-struct mbuf_table lcore_tx_queue[RTE_MAX_LCORE];
-
-struct device_statistics dev_statistics[MAX_DEVICES];
-
-/**
- * Set character device basename.
- */
-static int
-us_vhost_parse_basename(const char *q_arg)
-{
-	/* parse number string */
-	if (strlen(q_arg) >= MAX_BASENAME_SZ)
-		return -1;
-	else
-		strlcpy((char *)&dev_basename, q_arg, MAX_BASENAME_SZ);
-
-	return 0;
-}
-
-/**
- * Parse the portmask provided at run time.
- */
-static int
-parse_portmask(const char *portmask)
-{
-	char *end = NULL;
-	unsigned long pm;
-
-	/* parse hexadecimal string */
-	pm = strtoul(portmask, &end, 16);
-	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
-		return 0;
-
-	return pm;
-}
-
-/**
- * Parse num options at run time.
- */
-static int
-parse_num_opt(const char *q_arg, uint32_t max_valid_value)
-{
-	char *end = NULL;
-	unsigned long num;
-
-	/* parse unsigned int string */
-	num = strtoul(q_arg, &end, 10);
-	if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
-		return -1;
-
-	if (num > max_valid_value)
-		return -1;
-
-	return num;
-}
-
-/**
- * Display usage
- */
-static void
-tep_termination_usage(const char *prgname)
-{
-	RTE_LOG(INFO, VHOST_CONFIG, "%s [EAL options] -- -p PORTMASK\n"
-	"               --udp-port: UDP destination port for VXLAN packet\n"
-	"		--nb-devices[1-64]: The number of virtIO device\n"
-	"               --tx-checksum [0|1]: inner Tx checksum offload\n"
-	"               --tso-segsz [0-N]: TCP segment size\n"
-	"               --decap [0|1]: tunneling packet decapsulation\n"
-	"               --encap [0|1]: tunneling packet encapsulation\n"
-	"               --filter-type[1-3]: filter type for tunneling packet\n"
-	"                   1: Inner MAC and tenent ID\n"
-	"                   2: Inner MAC and VLAN, and tenent ID\n"
-	"                   3: Outer MAC, Inner MAC and tenent ID\n"
-	"		-p PORTMASK: Set mask for ports to be used by application\n"
-	"		--rx-retry [0|1]: disable/enable(default) retries on rx."
-	"		 Enable retry if destintation queue is full\n"
-	"		--rx-retry-delay [0-N]: timeout(in usecond) between retries on RX."
-	"		 This makes effect only if retries on rx enabled\n"
-	"		--rx-retry-num [0-N]: the number of retries on rx."
-	"		 This makes effect only if retries on rx enabled\n"
-	"		--stats [0-N]: 0: Disable stats, N: Time in seconds to print stats\n"
-	"		--dev-basename: The basename to be used for the character device.\n",
-	       prgname);
-}
-
-/**
- * Parse the arguments given in the command line of the application.
- */
-static int
-tep_termination_parse_args(int argc, char **argv)
-{
-	int opt, ret;
-	int option_index;
-	unsigned i;
-	const char *prgname = argv[0];
-	static struct option long_option[] = {
-		{CMD_LINE_OPT_NB_DEVICES, required_argument, NULL, 0},
-		{CMD_LINE_OPT_UDP_PORT, required_argument, NULL, 0},
-		{CMD_LINE_OPT_TX_CHECKSUM, required_argument, NULL, 0},
-		{CMD_LINE_OPT_TSO_SEGSZ, required_argument, NULL, 0},
-		{CMD_LINE_OPT_DECAP, required_argument, NULL, 0},
-		{CMD_LINE_OPT_ENCAP, required_argument, NULL, 0},
-		{CMD_LINE_OPT_FILTER_TYPE, required_argument, NULL, 0},
-		{CMD_LINE_OPT_RX_RETRY, required_argument, NULL, 0},
-		{CMD_LINE_OPT_RX_RETRY_DELAY, required_argument, NULL, 0},
-		{CMD_LINE_OPT_RX_RETRY_NUM, required_argument, NULL, 0},
-		{CMD_LINE_OPT_STATS, required_argument, NULL, 0},
-		{CMD_LINE_OPT_DEV_BASENAME, required_argument, NULL, 0},
-		{NULL, 0, 0, 0},
-	};
-
-	/* Parse command line */
-	while ((opt = getopt_long(argc, argv, "p:",
-			long_option, &option_index)) != EOF) {
-		switch (opt) {
-		/* Portmask */
-		case 'p':
-			enabled_port_mask = parse_portmask(optarg);
-			if (enabled_port_mask == 0) {
-				RTE_LOG(INFO, VHOST_CONFIG,
-					"Invalid portmask\n");
-				tep_termination_usage(prgname);
-				return -1;
-			}
-			break;
-		case 0:
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_NB_DEVICES,
-				sizeof(CMD_LINE_OPT_NB_DEVICES))) {
-				ret = parse_num_opt(optarg, MAX_DEVICES);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-					"Invalid argument for nb-devices [0-%d]\n",
-					MAX_DEVICES);
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					nb_devices = ret;
-			}
-
-			/* Enable/disable retries on RX. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_RX_RETRY,
-				sizeof(CMD_LINE_OPT_RX_RETRY))) {
-				ret = parse_num_opt(optarg, 1);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for rx-retry [0|1]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					enable_retry = ret;
-			}
-
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_TSO_SEGSZ,
-				sizeof(CMD_LINE_OPT_TSO_SEGSZ))) {
-				ret = parse_num_opt(optarg, INT16_MAX);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for TCP segment size [0-N]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					tso_segsz = ret;
-			}
-
-			if (!strncmp(long_option[option_index].name,
-					CMD_LINE_OPT_UDP_PORT,
-					sizeof(CMD_LINE_OPT_UDP_PORT))) {
-				ret = parse_num_opt(optarg, INT16_MAX);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for UDP port [0-N]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					udp_port = ret;
-			}
-
-			/* Specify the retries delay time (in useconds) on RX.*/
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_RX_RETRY_DELAY,
-				sizeof(CMD_LINE_OPT_RX_RETRY_DELAY))) {
-				ret = parse_num_opt(optarg, INT32_MAX);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for rx-retry-delay [0-N]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					burst_rx_delay_time = ret;
-			}
-
-			/* Specify the retries number on RX. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_RX_RETRY_NUM,
-				sizeof(CMD_LINE_OPT_RX_RETRY_NUM))) {
-				ret = parse_num_opt(optarg, INT32_MAX);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for rx-retry-num [0-N]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					burst_rx_retry_num = ret;
-			}
-
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_TX_CHECKSUM,
-				sizeof(CMD_LINE_OPT_TX_CHECKSUM))) {
-				ret = parse_num_opt(optarg, 1);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for tx-checksum [0|1]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					tx_checksum = ret;
-			}
-
-			if (!strncmp(long_option[option_index].name,
-					CMD_LINE_OPT_FILTER_TYPE,
-					sizeof(CMD_LINE_OPT_FILTER_TYPE))) {
-				ret = parse_num_opt(optarg, 3);
-				if ((ret == -1) || (ret == 0)) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for filter type [1-3]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					filter_idx = ret - 1;
-			}
-
-			/* Enable/disable encapsulation on RX. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_DECAP,
-				sizeof(CMD_LINE_OPT_DECAP))) {
-				ret = parse_num_opt(optarg, 1);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for decap [0|1]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					rx_decap = ret;
-			}
-
-			/* Enable/disable encapsulation on TX. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_ENCAP,
-				sizeof(CMD_LINE_OPT_ENCAP))) {
-				ret = parse_num_opt(optarg, 1);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for encap [0|1]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					tx_encap = ret;
-			}
-
-			/* Enable/disable stats. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_STATS,
-				sizeof(CMD_LINE_OPT_STATS))) {
-				ret = parse_num_opt(optarg, INT32_MAX);
-				if (ret == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-							"Invalid argument for stats [0..N]\n");
-					tep_termination_usage(prgname);
-					return -1;
-				} else
-					enable_stats = ret;
-			}
-
-			/* Set character device basename. */
-			if (!strncmp(long_option[option_index].name,
-				CMD_LINE_OPT_DEV_BASENAME,
-				sizeof(CMD_LINE_OPT_DEV_BASENAME))) {
-				if (us_vhost_parse_basename(optarg) == -1) {
-					RTE_LOG(INFO, VHOST_CONFIG,
-						"Invalid argument for character "
-						"device basename (Max %d characters)\n",
-						MAX_BASENAME_SZ);
-					tep_termination_usage(prgname);
-					return -1;
-				}
-			}
-
-			break;
-
-			/* Invalid option - print options. */
-		default:
-			tep_termination_usage(prgname);
-			return -1;
-		}
-	}
-
-	for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
-		if (enabled_port_mask & (1 << i))
-			ports[nb_ports++] = (uint8_t)i;
-	}
-
-	if ((nb_ports ==  0) || (nb_ports > MAX_SUP_PORTS)) {
-		RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
-			"but only %u port can be enabled\n", nb_ports,
-			MAX_SUP_PORTS);
-		return -1;
-	}
-
-	return 0;
-}
-
-/**
- * Update the global var NB_PORTS and array PORTS
- * according to system ports number and return valid ports number
- */
-static unsigned
-check_ports_num(unsigned max_nb_ports)
-{
-	unsigned valid_nb_ports = nb_ports;
-	unsigned portid;
-
-	if (nb_ports > max_nb_ports) {
-		RTE_LOG(INFO, VHOST_PORT, "\nSpecified port number(%u) "
-			" exceeds total system port number(%u)\n",
-			nb_ports, max_nb_ports);
-		nb_ports = max_nb_ports;
-	}
-
-	for (portid = 0; portid < nb_ports; portid++) {
-		if (!rte_eth_dev_is_valid_port(ports[portid])) {
-			RTE_LOG(INFO, VHOST_PORT,
-				"\nSpecified port ID(%u) is not valid\n",
-				ports[portid]);
-			ports[portid] = INVALID_PORT_ID;
-			valid_nb_ports--;
-		}
-	}
-	return valid_nb_ports;
-}
-
-/**
- * This function routes the TX packet to the correct interface. This may be a local device
- * or the physical port.
- */
-static __rte_always_inline void
-virtio_tx_route(struct vhost_dev *vdev, struct rte_mbuf *m)
-{
-	struct mbuf_table *tx_q;
-	struct rte_mbuf **m_table;
-	unsigned len, ret = 0;
-	const uint16_t lcore_id = rte_lcore_id();
-
-	RTE_LOG_DP(DEBUG, VHOST_DATA, "(%d) TX: MAC address is external\n",
-		vdev->vid);
-
-	/* Add packet to the port tx queue */
-	tx_q = &lcore_tx_queue[lcore_id];
-	len = tx_q->len;
-
-	tx_q->m_table[len] = m;
-	len++;
-	if (enable_stats) {
-		dev_statistics[vdev->vid].tx_total++;
-		dev_statistics[vdev->vid].tx++;
-	}
-
-	if (unlikely(len == MAX_PKT_BURST)) {
-		m_table = (struct rte_mbuf **)tx_q->m_table;
-		ret = overlay_options.tx_handle(ports[0],
-			(uint16_t)tx_q->txq_id, m_table,
-			(uint16_t)tx_q->len);
-
-		/* Free any buffers not handled by TX and update
-		 * the port stats.
-		 */
-		if (unlikely(ret < len)) {
-			do {
-				rte_pktmbuf_free(m_table[ret]);
-			} while (++ret < len);
-		}
-
-		len = 0;
-	}
-
-	tx_q->len = len;
-	return;
-}
-
-/**
- * This function is called by each data core. It handles all
- * RX/TX registered with the core. For TX the specific lcore
- * linked list is used. For RX, MAC addresses are compared
- * with all devices in the main linked list.
- */
-static int
-switch_worker(__rte_unused void *arg)
-{
-	struct rte_mempool *mbuf_pool = arg;
-	struct vhost_dev *vdev = NULL;
-	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
-	struct virtio_net_data_ll *dev_ll;
-	struct mbuf_table *tx_q;
-	volatile struct lcore_ll_info *lcore_ll;
-	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
-					/ US_PER_S * BURST_TX_DRAIN_US;
-	uint64_t prev_tsc, diff_tsc, cur_tsc, ret_count = 0;
-	unsigned i, ret = 0;
-	const uint16_t lcore_id = rte_lcore_id();
-	const uint16_t num_cores = (uint16_t)rte_lcore_count();
-	uint16_t rx_count = 0;
-	uint16_t tx_count;
-	uint32_t retry = 0;
-
-	RTE_LOG(INFO, VHOST_DATA, "Procesing on Core %u started\n", lcore_id);
-	lcore_ll = lcore_info[lcore_id].lcore_ll;
-	prev_tsc = 0;
-
-	tx_q = &lcore_tx_queue[lcore_id];
-	for (i = 0; i < num_cores; i++) {
-		if (lcore_ids[i] == lcore_id) {
-			tx_q->txq_id = i;
-			break;
-		}
-	}
-
-	while (1) {
-		cur_tsc = rte_rdtsc();
-		/*
-		 * TX burst queue drain
-		 */
-		diff_tsc = cur_tsc - prev_tsc;
-		if (unlikely(diff_tsc > drain_tsc)) {
-
-			if (tx_q->len) {
-				RTE_LOG_DP(DEBUG, VHOST_DATA, "TX queue drained after "
-					"timeout with burst size %u\n",
-					tx_q->len);
-				ret = overlay_options.tx_handle(ports[0],
-					(uint16_t)tx_q->txq_id,
-					(struct rte_mbuf **)tx_q->m_table,
-					(uint16_t)tx_q->len);
-				if (unlikely(ret < tx_q->len)) {
-					do {
-						rte_pktmbuf_free(tx_q->m_table[ret]);
-					} while (++ret < tx_q->len);
-				}
-
-				tx_q->len = 0;
-			}
-
-			prev_tsc = cur_tsc;
-
-		}
-
-		rte_prefetch0(lcore_ll->ll_root_used);
-
-		/**
-		 * Inform the configuration core that we have exited
-		 * the linked list and that no devices are
-		 * in use if requested.
-		 */
-		if (lcore_ll->dev_removal_flag == REQUEST_DEV_REMOVAL)
-			lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
-
-		/*
-		 * Process devices
-		 */
-		dev_ll = lcore_ll->ll_root_used;
-
-		while (dev_ll != NULL) {
-			vdev = dev_ll->vdev;
-
-			if (unlikely(vdev->remove)) {
-				dev_ll = dev_ll->next;
-				overlay_options.tunnel_destroy(vdev);
-				vdev->ready = DEVICE_SAFE_REMOVE;
-				continue;
-			}
-			if (likely(vdev->ready == DEVICE_RX)) {
-				/* Handle guest RX */
-				rx_count = rte_eth_rx_burst(ports[0],
-					vdev->rx_q, pkts_burst, MAX_PKT_BURST);
-
-				if (rx_count) {
-					/*
-					* Retry is enabled and the queue is
-					* full then we wait and retry to
-					* avoid packet loss. Here MAX_PKT_BURST
-					* must be less than virtio queue size
-					*/
-					if (enable_retry && unlikely(rx_count >
-						rte_vhost_avail_entries(vdev->vid, VIRTIO_RXQ))) {
-						for (retry = 0; retry < burst_rx_retry_num;
-							retry++) {
-							rte_delay_us(burst_rx_delay_time);
-							if (rx_count <= rte_vhost_avail_entries(vdev->vid, VIRTIO_RXQ))
-								break;
-						}
-					}
-
-					ret_count = overlay_options.rx_handle(vdev->vid, pkts_burst, rx_count);
-					if (enable_stats) {
-						rte_atomic64_add(
-						&dev_statistics[vdev->vid].rx_total_atomic,
-						rx_count);
-						rte_atomic64_add(
-						&dev_statistics[vdev->vid].rx_atomic, ret_count);
-					}
-					while (likely(rx_count)) {
-						rx_count--;
-						rte_pktmbuf_free(pkts_burst[rx_count]);
-					}
-
-				}
-			}
-
-			if (likely(!vdev->remove)) {
-				/* Handle guest TX*/
-				tx_count = rte_vhost_dequeue_burst(vdev->vid,
-						VIRTIO_TXQ, mbuf_pool,
-						pkts_burst, MAX_PKT_BURST);
-				/* If this is the first received packet we need to learn the MAC */
-				if (unlikely(vdev->ready == DEVICE_MAC_LEARNING) && tx_count) {
-					if (vdev->remove ||
-						(overlay_options.tunnel_setup(vdev, pkts_burst[0]) == -1)) {
-						while (tx_count)
-							rte_pktmbuf_free(pkts_burst[--tx_count]);
-					}
-				}
-				while (tx_count)
-					virtio_tx_route(vdev, pkts_burst[--tx_count]);
-			}
-
-			/* move to the next device in the list */
-			dev_ll = dev_ll->next;
-		}
-	}
-
-	return 0;
-}
-
-/**
- * Add an entry to a used linked list. A free entry must first be found
- * in the free linked list using get_data_ll_free_entry();
- */
-static void
-add_data_ll_entry(struct virtio_net_data_ll **ll_root_addr,
-	struct virtio_net_data_ll *ll_dev)
-{
-	struct virtio_net_data_ll *ll = *ll_root_addr;
-
-	/* Set next as NULL and use a compiler barrier to avoid reordering. */
-	ll_dev->next = NULL;
-	rte_compiler_barrier();
-
-	/* If ll == NULL then this is the first device. */
-	if (ll) {
-		/* Increment to the tail of the linked list. */
-		while (ll->next != NULL)
-			ll = ll->next;
-
-		ll->next = ll_dev;
-	} else {
-		*ll_root_addr = ll_dev;
-	}
-}
-
-/**
- * Remove an entry from a used linked list. The entry must then be added to
- * the free linked list using put_data_ll_free_entry().
- */
-static void
-rm_data_ll_entry(struct virtio_net_data_ll **ll_root_addr,
-	struct virtio_net_data_ll *ll_dev,
-	struct virtio_net_data_ll *ll_dev_last)
-{
-	struct virtio_net_data_ll *ll = *ll_root_addr;
-
-	if (unlikely((ll == NULL) || (ll_dev == NULL)))
-		return;
-
-	if (ll_dev == ll)
-		*ll_root_addr = ll_dev->next;
-	else
-		if (likely(ll_dev_last != NULL))
-			ll_dev_last->next = ll_dev->next;
-		else
-			RTE_LOG(ERR, VHOST_CONFIG,
-				"Remove entry form ll failed.\n");
-}
-
-/**
- * Find and return an entry from the free linked list.
- */
-static struct virtio_net_data_ll *
-get_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr)
-{
-	struct virtio_net_data_ll *ll_free = *ll_root_addr;
-	struct virtio_net_data_ll *ll_dev;
-
-	if (ll_free == NULL)
-		return NULL;
-
-	ll_dev = ll_free;
-	*ll_root_addr = ll_free->next;
-
-	return ll_dev;
-}
-
-/**
- * Place an entry back on to the free linked list.
- */
-static void
-put_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr,
-	struct virtio_net_data_ll *ll_dev)
-{
-	struct virtio_net_data_ll *ll_free = *ll_root_addr;
-
-	if (ll_dev == NULL)
-		return;
-
-	ll_dev->next = ll_free;
-	*ll_root_addr = ll_dev;
-}
-
-/**
- * Creates a linked list of a given size.
- */
-static struct virtio_net_data_ll *
-alloc_data_ll(uint32_t size)
-{
-	struct virtio_net_data_ll *ll_new;
-	uint32_t i;
-
-	/* Malloc and then chain the linked list. */
-	ll_new = malloc(size * sizeof(struct virtio_net_data_ll));
-	if (ll_new == NULL) {
-		RTE_LOG(ERR, VHOST_CONFIG,
-			"Failed to allocate memory for ll_new.\n");
-		return NULL;
-	}
-
-	for (i = 0; i < size - 1; i++) {
-		ll_new[i].vdev = NULL;
-		ll_new[i].next = &ll_new[i+1];
-	}
-	ll_new[i].next = NULL;
-
-	return ll_new;
-}
-
-/**
- * Create the main linked list along with each individual cores
- * linked list. A used and a free list are created to manage entries.
- */
-static int
-init_data_ll(void)
-{
-	int lcore;
-
-	RTE_LCORE_FOREACH_SLAVE(lcore) {
-		lcore_info[lcore].lcore_ll =
-			malloc(sizeof(struct lcore_ll_info));
-		if (lcore_info[lcore].lcore_ll == NULL) {
-			RTE_LOG(ERR, VHOST_CONFIG,
-				"Failed to allocate memory for lcore_ll.\n");
-			return -1;
-		}
-
-		lcore_info[lcore].lcore_ll->device_num = 0;
-		lcore_info[lcore].lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
-		lcore_info[lcore].lcore_ll->ll_root_used = NULL;
-		if (nb_devices % nb_switching_cores)
-			lcore_info[lcore].lcore_ll->ll_root_free =
-				alloc_data_ll((nb_devices / nb_switching_cores)
-						+ 1);
-		else
-			lcore_info[lcore].lcore_ll->ll_root_free =
-				alloc_data_ll(nb_devices / nb_switching_cores);
-	}
-
-	/* Allocate devices up to a maximum of MAX_DEVICES. */
-	ll_root_free = alloc_data_ll(MIN((nb_devices), MAX_DEVICES));
-
-	return 0;
-}
-
-/**
- * Remove a device from the specific data core linked list and
- * from the main linked list. Synchonization occurs through the use
- * of the lcore dev_removal_flag.
- */
-static void
-destroy_device(int vid)
-{
-	struct virtio_net_data_ll *ll_lcore_dev_cur;
-	struct virtio_net_data_ll *ll_main_dev_cur;
-	struct virtio_net_data_ll *ll_lcore_dev_last = NULL;
-	struct virtio_net_data_ll *ll_main_dev_last = NULL;
-	struct vhost_dev *vdev = NULL;
-	int lcore;
-
-	ll_main_dev_cur = ll_root_used;
-	while (ll_main_dev_cur != NULL) {
-		if (ll_main_dev_cur->vdev->vid == vid) {
-			vdev = ll_main_dev_cur->vdev;
-			break;
-		}
-	}
-	if (!vdev)
-		return;
-
-	/* set the remove flag. */
-	vdev->remove = 1;
-	while (vdev->ready != DEVICE_SAFE_REMOVE)
-		rte_pause();
-
-	/* Search for entry to be removed from lcore ll */
-	ll_lcore_dev_cur = lcore_info[vdev->coreid].lcore_ll->ll_root_used;
-	while (ll_lcore_dev_cur != NULL) {
-		if (ll_lcore_dev_cur->vdev == vdev) {
-			break;
-		} else {
-			ll_lcore_dev_last = ll_lcore_dev_cur;
-			ll_lcore_dev_cur = ll_lcore_dev_cur->next;
-		}
-	}
-
-	if (ll_lcore_dev_cur == NULL) {
-		RTE_LOG(ERR, VHOST_CONFIG,
-			"(%d) Failed to find the dev to be destroy.\n", vid);
-		return;
-	}
-
-	/* Search for entry to be removed from main ll */
-	ll_main_dev_cur = ll_root_used;
-	ll_main_dev_last = NULL;
-	while (ll_main_dev_cur != NULL) {
-		if (ll_main_dev_cur->vdev == vdev) {
-			break;
-		} else {
-			ll_main_dev_last = ll_main_dev_cur;
-			ll_main_dev_cur = ll_main_dev_cur->next;
-		}
-	}
-
-	/* Remove entries from the lcore and main ll. */
-	rm_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used,
-			ll_lcore_dev_cur, ll_lcore_dev_last);
-	rm_data_ll_entry(&ll_root_used, ll_main_dev_cur, ll_main_dev_last);
-
-	/* Set the dev_removal_flag on each lcore. */
-	RTE_LCORE_FOREACH_SLAVE(lcore) {
-		lcore_info[lcore].lcore_ll->dev_removal_flag =
-			REQUEST_DEV_REMOVAL;
-	}
-
-	/*
-	 * Once each core has set the dev_removal_flag to
-	 * ACK_DEV_REMOVAL we can be sure that they can no longer access
-	 * the device removed from the linked lists and that the devices
-	 * are no longer in use.
-	 */
-	RTE_LCORE_FOREACH_SLAVE(lcore) {
-		while (lcore_info[lcore].lcore_ll->dev_removal_flag
-			!= ACK_DEV_REMOVAL)
-			rte_pause();
-	}
-
-	/* Add the entries back to the lcore and main free ll.*/
-	put_data_ll_free_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_free,
-				ll_lcore_dev_cur);
-	put_data_ll_free_entry(&ll_root_free, ll_main_dev_cur);
-
-	/* Decrement number of device on the lcore. */
-	lcore_info[vdev->coreid].lcore_ll->device_num--;
-
-	RTE_LOG(INFO, VHOST_DATA, "(%d) Device has been removed "
-		"from data core\n", vid);
-
-	rte_free(vdev);
-
-}
-
-/**
- * A new device is added to a data core. First the device is added
- * to the main linked list and the allocated to a specific data core.
- */
-static int
-new_device(int vid)
-{
-	struct virtio_net_data_ll *ll_dev;
-	int lcore, core_add = 0;
-	uint32_t device_num_min = nb_devices;
-	struct vhost_dev *vdev;
-
-	vdev = rte_zmalloc("vhost device", sizeof(*vdev), RTE_CACHE_LINE_SIZE);
-	if (vdev == NULL) {
-		RTE_LOG(INFO, VHOST_DATA,
-			"(%d) Couldn't allocate memory for vhost dev\n", vid);
-		return -1;
-	}
-	vdev->vid = vid;
-	/* Add device to main ll */
-	ll_dev = get_data_ll_free_entry(&ll_root_free);
-	if (ll_dev == NULL) {
-		RTE_LOG(INFO, VHOST_DATA, "(%d) No free entry found in"
-			" linked list Device limit of %d devices per core"
-			" has been reached\n", vid, nb_devices);
-		if (vdev->regions_hpa)
-			rte_free(vdev->regions_hpa);
-		rte_free(vdev);
-		return -1;
-	}
-	ll_dev->vdev = vdev;
-	add_data_ll_entry(&ll_root_used, ll_dev);
-	vdev->rx_q = vid;
-
-	/* reset ready flag */
-	vdev->ready = DEVICE_MAC_LEARNING;
-	vdev->remove = 0;
-
-	/* Find a suitable lcore to add the device. */
-	RTE_LCORE_FOREACH_SLAVE(lcore) {
-		if (lcore_info[lcore].lcore_ll->device_num < device_num_min) {
-			device_num_min = lcore_info[lcore].lcore_ll->device_num;
-			core_add = lcore;
-		}
-	}
-	/* Add device to lcore ll */
-	ll_dev = get_data_ll_free_entry(&lcore_info[core_add].lcore_ll->ll_root_free);
-	if (ll_dev == NULL) {
-		RTE_LOG(INFO, VHOST_DATA,
-			"(%d) Failed to add device to data core\n",
-			vid);
-		vdev->ready = DEVICE_SAFE_REMOVE;
-		destroy_device(vid);
-		rte_free(vdev->regions_hpa);
-		rte_free(vdev);
-		return -1;
-	}
-	ll_dev->vdev = vdev;
-	vdev->coreid = core_add;
-
-	add_data_ll_entry(&lcore_info[vdev->coreid].lcore_ll->ll_root_used,
-			ll_dev);
-
-	/* Initialize device stats */
-	memset(&dev_statistics[vid], 0,
-		sizeof(struct device_statistics));
-
-	/* Disable notifications. */
-	rte_vhost_enable_guest_notification(vid, VIRTIO_RXQ, 0);
-	rte_vhost_enable_guest_notification(vid, VIRTIO_TXQ, 0);
-	lcore_info[vdev->coreid].lcore_ll->device_num++;
-
-	RTE_LOG(INFO, VHOST_DATA, "(%d) Device has been added to data core %d\n",
-		vid, vdev->coreid);
-
-	return 0;
-}
-
-/**
- * These callback allow devices to be added to the data core when configuration
- * has been fully complete.
- */
-static const struct vhost_device_ops virtio_net_device_ops = {
-	.new_device =  new_device,
-	.destroy_device = destroy_device,
-};
-
-/**
- * This is a thread will wake up after a period to print stats if the user has
- * enabled them.
- */
-static void *
-print_stats(__rte_unused void *arg)
-{
-	struct virtio_net_data_ll *dev_ll;
-	uint64_t tx_dropped, rx_dropped;
-	uint64_t tx, tx_total, rx, rx_total, rx_ip_csum, rx_l4_csum;
-	int vid;
-	const char clr[] = { 27, '[', '2', 'J', '\0' };
-	const char top_left[] = { 27, '[', '1', ';', '1', 'H', '\0' };
-
-	while (1) {
-		sleep(enable_stats);
-
-		/* Clear screen and move to top left */
-		printf("%s%s", clr, top_left);
-
-		printf("\nDevice statistics ================================");
-
-		dev_ll = ll_root_used;
-		while (dev_ll != NULL) {
-			vid = dev_ll->vdev->vid;
-			tx_total = dev_statistics[vid].tx_total;
-			tx = dev_statistics[vid].tx;
-			tx_dropped = tx_total - tx;
-
-			rx_total = rte_atomic64_read(
-				&dev_statistics[vid].rx_total_atomic);
-			rx = rte_atomic64_read(
-				&dev_statistics[vid].rx_atomic);
-			rx_dropped = rx_total - rx;
-			rx_ip_csum = rte_atomic64_read(
-				&dev_statistics[vid].rx_bad_ip_csum);
-			rx_l4_csum = rte_atomic64_read(
-				&dev_statistics[vid].rx_bad_l4_csum);
-
-			printf("\nStatistics for device %d ----------"
-					"\nTX total:		%"PRIu64""
-					"\nTX dropped:		%"PRIu64""
-					"\nTX successful:		%"PRIu64""
-					"\nRX total:		%"PRIu64""
-					"\nRX bad IP csum:      %"PRIu64""
-					"\nRX bad L4 csum:      %"PRIu64""
-					"\nRX dropped:		%"PRIu64""
-					"\nRX successful:		%"PRIu64"",
-					vid,
-					tx_total,
-					tx_dropped,
-					tx,
-					rx_total,
-					rx_ip_csum,
-					rx_l4_csum,
-					rx_dropped,
-					rx);
-
-			dev_ll = dev_ll->next;
-		}
-		printf("\n================================================\n");
-
-		fflush(stdout);
-	}
-
-	return NULL;
-}
-
-/**
- * Main function, does initialisation and calls the per-lcore functions.
- */
-int
-main(int argc, char *argv[])
-{
-	struct rte_mempool *mbuf_pool = NULL;
-	unsigned lcore_id, core_id = 0;
-	unsigned nb_ports, valid_nb_ports;
-	int ret;
-	uint16_t portid;
-	uint16_t queue_id;
-	static pthread_t tid;
-
-	/* init EAL */
-	ret = rte_eal_init(argc, argv);
-	if (ret < 0)
-		rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
-	argc -= ret;
-	argv += ret;
-
-	/* parse app arguments */
-	ret = tep_termination_parse_args(argc, argv);
-	if (ret < 0)
-		rte_exit(EXIT_FAILURE, "Invalid argument\n");
-
-	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
-		if (rte_lcore_is_enabled(lcore_id))
-			lcore_ids[core_id++] = lcore_id;
-
-	/* set the number of swithcing cores available */
-	nb_switching_cores = rte_lcore_count()-1;
-
-	/* Get the number of physical ports. */
-	nb_ports = rte_eth_dev_count_avail();
-
-	/*
-	 * Update the global var NB_PORTS and global array PORTS
-	 * and get value of var VALID_NB_PORTS according to system ports number
-	 */
-	valid_nb_ports = check_ports_num(nb_ports);
-
-	if ((valid_nb_ports == 0) || (valid_nb_ports > MAX_SUP_PORTS)) {
-		rte_exit(EXIT_FAILURE, "Current enabled port number is %u,"
-			"but only %u port can be enabled\n", nb_ports,
-			MAX_SUP_PORTS);
-	}
-	/* Create the mbuf pool. */
-	mbuf_pool = rte_pktmbuf_pool_create(
-			"MBUF_POOL",
-			NUM_MBUFS_PER_PORT * valid_nb_ports,
-			MBUF_CACHE_SIZE,
-			0,
-			MBUF_DATA_SIZE,
-			rte_socket_id());
-	if (mbuf_pool == NULL)
-		rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
-
-	for (queue_id = 0; queue_id < MAX_QUEUES + 1; queue_id++)
-		vpool_array[queue_id].pool = mbuf_pool;
-
-	/* initialize all ports */
-	RTE_ETH_FOREACH_DEV(portid) {
-		/* skip ports that are not enabled */
-		if ((enabled_port_mask & (1 << portid)) == 0) {
-			RTE_LOG(INFO, VHOST_PORT,
-				"Skipping disabled port %d\n", portid);
-			continue;
-		}
-		if (overlay_options.port_configure(portid, mbuf_pool) != 0)
-			rte_exit(EXIT_FAILURE,
-				"Cannot initialize network ports\n");
-	}
-
-	/* Initialise all linked lists. */
-	if (init_data_ll() == -1)
-		rte_exit(EXIT_FAILURE, "Failed to initialize linked list\n");
-
-	/* Initialize device stats */
-	memset(&dev_statistics, 0, sizeof(dev_statistics));
-
-	/* Enable stats if the user option is set. */
-	if (enable_stats) {
-		ret = rte_ctrl_thread_create(&tid, "print-stats", NULL,
-					print_stats, NULL);
-		if (ret < 0)
-			rte_exit(EXIT_FAILURE, "Cannot create print-stats thread\n");
-	}
-
-	/* Launch all data cores. */
-	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
-		rte_eal_remote_launch(switch_worker,
-			mbuf_pool, lcore_id);
-	}
-
-	ret = rte_vhost_driver_register((char *)&dev_basename, 0);
-	if (ret != 0)
-		rte_exit(EXIT_FAILURE, "failed to register vhost driver.\n");
-
-	rte_vhost_driver_disable_features(dev_basename,
-		1ULL << VIRTIO_NET_F_MRG_RXBUF);
-
-	ret = rte_vhost_driver_callback_register(dev_basename,
-		&virtio_net_device_ops);
-	if (ret != 0) {
-		rte_exit(EXIT_FAILURE,
-			"failed to register vhost driver callbacks.\n");
-	}
-
-	if (rte_vhost_driver_start(dev_basename) < 0) {
-		rte_exit(EXIT_FAILURE,
-			"failed to start vhost driver.\n");
-	}
-
-	RTE_LCORE_FOREACH_SLAVE(lcore_id)
-		rte_eal_wait_lcore(lcore_id);
-
-	return 0;
-}
diff --git a/examples/tep_termination/main.h b/examples/tep_termination/main.h
deleted file mode 100644
index 7a70f7396..000000000
--- a/examples/tep_termination/main.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef _MAIN_H_
-#define _MAIN_H_
-
-#include <rte_ether.h>
-
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA   RTE_LOGTYPE_USER2
-#define RTE_LOGTYPE_VHOST_PORT   RTE_LOGTYPE_USER3
-
-/* State of virtio device. */
-#define DEVICE_MAC_LEARNING	0
-#define DEVICE_RX		1
-#define DEVICE_SAFE_REMOVE	2
-
-#define MAX_QUEUES 512
-
-/* Max burst size for RX/TX */
-#define MAX_PKT_BURST 32
-
-/* Max number of devices. Limited by the application. */
-#define MAX_DEVICES 64
-
-enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
-
-/* Per-device statistics struct */
-struct device_statistics {
-	uint64_t tx_total;
-	rte_atomic64_t rx_total_atomic;
-	uint64_t rx_total;
-	uint64_t tx;
-	rte_atomic64_t rx_atomic;
-	/**< Bad inner IP csum for tunneling pkt */
-	rte_atomic64_t rx_bad_ip_csum;
-	/**< Bad inner L4 csum for tunneling pkt */
-	rte_atomic64_t rx_bad_l4_csum;
-} __rte_cache_aligned;
-
-/**
- * Device linked list structure for data path.
- */
-struct vhost_dev {
-	int vid;
-	/**< Number of memory regions for gpa to hpa translation. */
-	uint32_t nregions_hpa;
-	/**< Memory region information for gpa to hpa translation. */
-	struct virtio_memory_regions_hpa *regions_hpa;
-	/**< Device MAC address (Obtained on first TX packet). */
-	struct rte_ether_addr mac_address;
-	/**< RX queue number. */
-	uint16_t rx_q;
-	/**< Data core that the device is added to. */
-	uint16_t coreid;
-	/**< A device is set as ready if the MAC address has been set. */
-	volatile uint8_t ready;
-	/**< Device is marked for removal from the data core. */
-	volatile uint8_t remove;
-} __rte_cache_aligned;
-
-/**
- * Structure containing data core specific information.
- */
-struct lcore_ll_info {
-	/**< Pointer to head in free linked list. */
-	struct virtio_net_data_ll *ll_root_free;
-	/**< Pointer to head of used linked list. */
-	struct virtio_net_data_ll *ll_root_used;
-	/**< Number of devices on lcore. */
-	uint32_t device_num;
-	/**< Flag to synchronize device removal. */
-	volatile uint8_t dev_removal_flag;
-};
-
-struct lcore_info {
-	/**< Pointer to data core specific lcore_ll_info struct */
-	struct lcore_ll_info	*lcore_ll;
-};
-
-struct virtio_net_data_ll {
-	/**< Pointer to device created by configuration core. */
-	struct vhost_dev            *vdev;
-	/**< Pointer to next device in linked list. */
-	struct virtio_net_data_ll   *next;
-};
-
-uint32_t
-virtio_dev_rx(int vid, struct rte_mbuf **pkts, uint32_t count);
-
-#endif /* _MAIN_H_ */
diff --git a/examples/tep_termination/meson.build b/examples/tep_termination/meson.build
deleted file mode 100644
index f65d68980..000000000
--- a/examples/tep_termination/meson.build
+++ /dev/null
@@ -1,16 +0,0 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2017 Intel Corporation
-
-# meson file, for building this example as part of a main DPDK build.
-#
-# To build this example as a standalone application with an already-installed
-# DPDK instance, use 'make'
-
-if not is_linux
-	build = false
-endif
-deps += ['hash', 'vhost']
-cflags += '-Wno-deprecated-declarations'
-sources = files(
-	'main.c', 'vxlan.c', 'vxlan_setup.c'
-)
diff --git a/examples/tep_termination/vxlan.c b/examples/tep_termination/vxlan.c
deleted file mode 100644
index 0ba6b8be8..000000000
--- a/examples/tep_termination/vxlan.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <stdint.h>
-#include <rte_mbuf.h>
-#include <rte_hash_crc.h>
-#include <rte_byteorder.h>
-#include <rte_udp.h>
-#include <rte_tcp.h>
-#include <rte_sctp.h>
-
-#include "main.h"
-#include "vxlan.h"
-
-static uint16_t
-get_psd_sum(void *l3_hdr, uint16_t ethertype, uint64_t ol_flags)
-{
-	if (ethertype == RTE_ETHER_TYPE_IPV4)
-		return rte_ipv4_phdr_cksum(l3_hdr, ol_flags);
-	else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */
-		return rte_ipv6_phdr_cksum(l3_hdr, ol_flags);
-}
-
-/**
- * Parse an ethernet header to fill the ethertype, outer_l2_len, outer_l3_len and
- * ipproto. This function is able to recognize IPv4/IPv6 with one optional vlan
- * header.
- */
-static void
-parse_ethernet(struct rte_ether_hdr *eth_hdr, union tunnel_offload_info *info,
-		uint8_t *l4_proto)
-{
-	struct rte_ipv4_hdr *ipv4_hdr;
-	struct rte_ipv6_hdr *ipv6_hdr;
-	uint16_t ethertype;
-
-	info->outer_l2_len = sizeof(struct rte_ether_hdr);
-	ethertype = rte_be_to_cpu_16(eth_hdr->ether_type);
-
-	if (ethertype == RTE_ETHER_TYPE_VLAN) {
-		struct rte_vlan_hdr *vlan_hdr =
-			(struct rte_vlan_hdr *)(eth_hdr + 1);
-		info->outer_l2_len  += sizeof(struct rte_vlan_hdr);
-		ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto);
-	}
-
-	switch (ethertype) {
-	case RTE_ETHER_TYPE_IPV4:
-		ipv4_hdr = (struct rte_ipv4_hdr *)
-			((char *)eth_hdr + info->outer_l2_len);
-		info->outer_l3_len = sizeof(struct rte_ipv4_hdr);
-		*l4_proto = ipv4_hdr->next_proto_id;
-		break;
-	case RTE_ETHER_TYPE_IPV6:
-		ipv6_hdr = (struct rte_ipv6_hdr *)
-			((char *)eth_hdr + info->outer_l2_len);
-		info->outer_l3_len = sizeof(struct rte_ipv6_hdr);
-		*l4_proto = ipv6_hdr->proto;
-		break;
-	default:
-		info->outer_l3_len = 0;
-		*l4_proto = 0;
-		break;
-	}
-}
-
-/**
- * Calculate the checksum of a packet in hardware
- */
-static uint64_t
-process_inner_cksums(struct rte_ether_hdr *eth_hdr,
-		union tunnel_offload_info *info)
-{
-	void *l3_hdr = NULL;
-	uint8_t l4_proto;
-	uint16_t ethertype;
-	struct rte_ipv4_hdr *ipv4_hdr;
-	struct rte_ipv6_hdr *ipv6_hdr;
-	struct rte_udp_hdr *udp_hdr;
-	struct rte_tcp_hdr *tcp_hdr;
-	struct rte_sctp_hdr *sctp_hdr;
-	uint64_t ol_flags = 0;
-
-	info->l2_len = sizeof(struct rte_ether_hdr);
-	ethertype = rte_be_to_cpu_16(eth_hdr->ether_type);
-
-	if (ethertype == RTE_ETHER_TYPE_VLAN) {
-		struct rte_vlan_hdr *vlan_hdr =
-			(struct rte_vlan_hdr *)(eth_hdr + 1);
-		info->l2_len  += sizeof(struct rte_vlan_hdr);
-		ethertype = rte_be_to_cpu_16(vlan_hdr->eth_proto);
-	}
-
-	l3_hdr = (char *)eth_hdr + info->l2_len;
-
-	if (ethertype == RTE_ETHER_TYPE_IPV4) {
-		ipv4_hdr = (struct rte_ipv4_hdr *)l3_hdr;
-		ipv4_hdr->hdr_checksum = 0;
-		ol_flags |= PKT_TX_IPV4;
-		ol_flags |= PKT_TX_IP_CKSUM;
-		info->l3_len = sizeof(struct rte_ipv4_hdr);
-		l4_proto = ipv4_hdr->next_proto_id;
-	} else if (ethertype == RTE_ETHER_TYPE_IPV6) {
-		ipv6_hdr = (struct rte_ipv6_hdr *)l3_hdr;
-		info->l3_len = sizeof(struct rte_ipv6_hdr);
-		l4_proto = ipv6_hdr->proto;
-		ol_flags |= PKT_TX_IPV6;
-	} else
-		return 0; /* packet type not supported, nothing to do */
-
-	if (l4_proto == IPPROTO_UDP) {
-		udp_hdr = (struct rte_udp_hdr *)((char *)l3_hdr + info->l3_len);
-		ol_flags |= PKT_TX_UDP_CKSUM;
-		udp_hdr->dgram_cksum = get_psd_sum(l3_hdr,
-				ethertype, ol_flags);
-	} else if (l4_proto == IPPROTO_TCP) {
-		tcp_hdr = (struct rte_tcp_hdr *)((char *)l3_hdr + info->l3_len);
-		/* Put PKT_TX_TCP_SEG bit setting before get_psd_sum(), because
-		 * it depends on PKT_TX_TCP_SEG to calculate pseudo-header
-		 * checksum.
-		 */
-		if (tso_segsz != 0) {
-			ol_flags |= PKT_TX_TCP_SEG;
-			info->tso_segsz = tso_segsz;
-			info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
-		}
-		ol_flags |= PKT_TX_TCP_CKSUM;
-		tcp_hdr->cksum = get_psd_sum(l3_hdr, ethertype, ol_flags);
-
-	} else if (l4_proto == IPPROTO_SCTP) {
-		sctp_hdr = (struct rte_sctp_hdr *)
-			((char *)l3_hdr + info->l3_len);
-		sctp_hdr->cksum = 0;
-		ol_flags |= PKT_TX_SCTP_CKSUM;
-	}
-
-	return ol_flags;
-}
-
-int
-decapsulation(struct rte_mbuf *pkt)
-{
-	uint8_t l4_proto = 0;
-	uint16_t outer_header_len;
-	struct rte_udp_hdr *udp_hdr;
-	union tunnel_offload_info info = { .data = 0 };
-	struct rte_ether_hdr *phdr =
-		rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
-
-	parse_ethernet(phdr, &info, &l4_proto);
-
-	if (l4_proto != IPPROTO_UDP)
-		return -1;
-
-	udp_hdr = (struct rte_udp_hdr *)((char *)phdr +
-		info.outer_l2_len + info.outer_l3_len);
-
-	/** check udp destination port, 4789 is the default vxlan port
-	 * (rfc7348) or that the rx offload flag is set (i40e only
-	 * currently)*/
-	if (udp_hdr->dst_port != rte_cpu_to_be_16(RTE_VXLAN_DEFAULT_PORT) &&
-		(pkt->packet_type & RTE_PTYPE_TUNNEL_MASK) == 0)
-		return -1;
-	outer_header_len = info.outer_l2_len + info.outer_l3_len
-		+ sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr);
-
-	rte_pktmbuf_adj(pkt, outer_header_len);
-
-	return 0;
-}
-
-void
-encapsulation(struct rte_mbuf *m, uint8_t queue_id)
-{
-	uint vport_id;
-	uint64_t ol_flags = 0;
-	uint32_t old_len = m->pkt_len, hash;
-	union tunnel_offload_info tx_offload = { .data = 0 };
-	struct rte_ether_hdr *phdr =
-		rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
-
-	/*Allocate space for new ethernet, IPv4, UDP and VXLAN headers*/
-	struct rte_ether_hdr *pneth =
-		(struct rte_ether_hdr *) rte_pktmbuf_prepend(m,
-		sizeof(struct rte_ether_hdr) + sizeof(struct rte_ipv4_hdr)
-		+ sizeof(struct rte_udp_hdr) + sizeof(struct rte_vxlan_hdr));
-
-	struct rte_ipv4_hdr *ip = (struct rte_ipv4_hdr *) &pneth[1];
-	struct rte_udp_hdr *udp = (struct rte_udp_hdr *) &ip[1];
-	struct rte_vxlan_hdr *vxlan = (struct rte_vxlan_hdr *) &udp[1];
-
-	/* convert TX queue ID to vport ID */
-	vport_id = queue_id - 1;
-
-	/* replace original Ethernet header with ours */
-	pneth = rte_memcpy(pneth, &app_l2_hdr[vport_id],
-		sizeof(struct rte_ether_hdr));
-
-	/* copy in IP header */
-	ip = rte_memcpy(ip, &app_ip_hdr[vport_id],
-		sizeof(struct rte_ipv4_hdr));
-	ip->total_length = rte_cpu_to_be_16(m->pkt_len
-				- sizeof(struct rte_ether_hdr));
-
-	/* outer IP checksum */
-	ol_flags |= PKT_TX_OUTER_IP_CKSUM;
-	ip->hdr_checksum = 0;
-
-	/* inner IP checksum offload */
-	if (tx_checksum) {
-		ol_flags |= process_inner_cksums(phdr, &tx_offload);
-		m->l2_len = tx_offload.l2_len;
-		m->l3_len = tx_offload.l3_len;
-		m->l4_len = tx_offload.l4_len;
-		m->l2_len += RTE_ETHER_VXLAN_HLEN;
-	}
-
-	m->outer_l2_len = sizeof(struct rte_ether_hdr);
-	m->outer_l3_len = sizeof(struct rte_ipv4_hdr);
-
-	ol_flags |= PKT_TX_TUNNEL_VXLAN;
-
-	m->ol_flags |= ol_flags;
-	m->tso_segsz = tx_offload.tso_segsz;
-
-	/*VXLAN HEADER*/
-	vxlan->vx_flags = rte_cpu_to_be_32(VXLAN_HF_VNI);
-	vxlan->vx_vni = rte_cpu_to_be_32(vxdev.out_key << 8);
-
-	/*UDP HEADER*/
-	udp->dgram_cksum = 0;
-	udp->dgram_len = rte_cpu_to_be_16(old_len
-				+ sizeof(struct rte_udp_hdr)
-				+ sizeof(struct rte_vxlan_hdr));
-
-	udp->dst_port = rte_cpu_to_be_16(vxdev.dst_port);
-	hash = rte_hash_crc(phdr, 2 * RTE_ETHER_ADDR_LEN, phdr->ether_type);
-	udp->src_port = rte_cpu_to_be_16((((uint64_t) hash * PORT_RANGE) >> 32)
-					+ PORT_MIN);
-
-	return;
-}
diff --git a/examples/tep_termination/vxlan.h b/examples/tep_termination/vxlan.h
deleted file mode 100644
index 587fb9fe5..000000000
--- a/examples/tep_termination/vxlan.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef _VXLAN_H_
-#define _VXLAN_H_
-
-#include <rte_ether.h>
-#include <rte_ip.h>
-#include <rte_vxlan.h>
-
-#define PORT_MIN	49152
-#define PORT_MAX	65535
-#define PORT_RANGE ((PORT_MAX - PORT_MIN) + 1)
-
-#define VXLAN_N_PORTS  2
-#define VXLAN_HF_VNI 0x08000000
-
-extern struct rte_ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
-extern struct rte_ether_hdr app_l2_hdr[VXLAN_N_PORTS];
-extern uint8_t tx_checksum;
-extern uint16_t tso_segsz;
-
-struct vxlan_port {
-	uint32_t vport_id;           /**< VirtIO port id */
-	uint32_t peer_ip;            /**< remote VTEP IP address */
-	struct rte_ether_addr peer_mac;  /**< remote VTEP MAC address */
-	struct rte_ether_addr vport_mac; /**< VirtIO port MAC address */
-} __rte_cache_aligned;
-
-struct vxlan_conf {
-	uint16_t dst_port;      /**< VXLAN UDP destination port */
-	uint32_t port_ip;       /**< DPDK port IP address*/
-	uint32_t in_key;        /**< VLAN  ID */
-	uint32_t out_key;       /**< VXLAN VNI */
-	struct vxlan_port port[VXLAN_N_PORTS]; /**< VXLAN configuration */
-} __rte_cache_aligned;
-
-extern struct vxlan_conf vxdev;
-
-/* structure that caches offload info for the current packet */
-union tunnel_offload_info {
-	uint64_t data;
-	struct {
-		uint64_t l2_len:7; /**< L2 (MAC) Header Length. */
-		uint64_t l3_len:9; /**< L3 (IP) Header Length. */
-		uint64_t l4_len:8; /**< L4 Header Length. */
-		uint64_t tso_segsz:16; /**< TCP TSO segment size */
-		uint64_t outer_l2_len:7; /**< outer L2 Header Length */
-		uint64_t outer_l3_len:16; /**< outer L3 Header Length */
-	};
-} __rte_cache_aligned;
-
-int decapsulation(struct rte_mbuf *pkt);
-void encapsulation(struct rte_mbuf *m, uint8_t queue_id);
-
-#endif /* _VXLAN_H_ */
diff --git a/examples/tep_termination/vxlan_setup.c b/examples/tep_termination/vxlan_setup.c
deleted file mode 100644
index 4b44ccc14..000000000
--- a/examples/tep_termination/vxlan_setup.c
+++ /dev/null
@@ -1,443 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_mbuf.h>
-#include <rte_malloc.h>
-#include <rte_ip.h>
-#include <rte_udp.h>
-#include <rte_tcp.h>
-
-#include "main.h"
-#include "rte_vhost.h"
-#include "vxlan.h"
-#include "vxlan_setup.h"
-
-#define IPV4_HEADER_LEN 20
-#define UDP_HEADER_LEN  8
-#define VXLAN_HEADER_LEN 8
-
-#define IP_DEFTTL  64   /* from RFC 1340. */
-
-#define IP_DN_FRAGMENT_FLAG 0x0040
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFFULL
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 1024
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-/* Default inner VLAN ID */
-#define INNER_VLAN_ID 100
-
-/* VXLAN device */
-struct vxlan_conf vxdev;
-
-struct rte_ipv4_hdr app_ip_hdr[VXLAN_N_PORTS];
-struct rte_ether_hdr app_l2_hdr[VXLAN_N_PORTS];
-
-/* local VTEP IP address */
-uint8_t vxlan_multicast_ips[2][4] = { {239, 1, 1, 1 }, {239, 1, 2, 1 } };
-
-/* Remote VTEP IP address */
-uint8_t vxlan_overlay_ips[2][4] = { {192, 168, 10, 1}, {192, 168, 30, 1} };
-
-/* Remote VTEP MAC address */
-uint8_t peer_mac[6] = {0x00, 0x11, 0x01, 0x00, 0x00, 0x01};
-
-/* VXLAN RX filter type */
-uint8_t tep_filter_type[] = {RTE_TUNNEL_FILTER_IMAC_TENID,
-			RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID,
-			RTE_TUNNEL_FILTER_OMAC_TENID_IMAC,};
-
-/* Options for configuring ethernet port */
-static struct rte_eth_conf port_conf = {
-	.rxmode = {
-		.split_hdr_size = 0,
-	},
-	.txmode = {
-		.mq_mode = ETH_MQ_TX_NONE,
-		.offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
-			     DEV_TX_OFFLOAD_UDP_CKSUM |
-			     DEV_TX_OFFLOAD_TCP_CKSUM |
-			     DEV_TX_OFFLOAD_SCTP_CKSUM |
-			     DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
-			     DEV_TX_OFFLOAD_TCP_TSO |
-			     DEV_TX_OFFLOAD_MULTI_SEGS |
-			     DEV_TX_OFFLOAD_VXLAN_TNL_TSO),
-	},
-};
-
-/**
- * The one or two device(s) that belongs to the same tenant ID can
- * be assigned in a VM.
- */
-const uint16_t tenant_id_conf[] = {
-	1000, 1000, 1001, 1001, 1002, 1002, 1003, 1003,
-	1004, 1004, 1005, 1005, 1006, 1006, 1007, 1007,
-	1008, 1008, 1009, 1009, 1010, 1010, 1011, 1011,
-	1012, 1012, 1013, 1013, 1014, 1014, 1015, 1015,
-	1016, 1016, 1017, 1017, 1018, 1018, 1019, 1019,
-	1020, 1020, 1021, 1021, 1022, 1022, 1023, 1023,
-	1024, 1024, 1025, 1025, 1026, 1026, 1027, 1027,
-	1028, 1028, 1029, 1029, 1030, 1030, 1031, 1031,
-};
-
-/**
- * Initialises a given port using global settings and with the rx buffers
- * coming from the mbuf_pool passed as parameter
- */
-int
-vxlan_port_init(uint16_t port, struct rte_mempool *mbuf_pool)
-{
-	int retval;
-	uint16_t q;
-	struct rte_eth_dev_info dev_info;
-	uint16_t rx_rings, tx_rings = (uint16_t)rte_lcore_count();
-	uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT;
-	uint16_t tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
-	struct rte_eth_udp_tunnel tunnel_udp;
-	struct rte_eth_rxconf *rxconf;
-	struct rte_eth_txconf *txconf;
-	struct vxlan_conf *pconf = &vxdev;
-	struct rte_eth_conf local_port_conf = port_conf;
-
-	pconf->dst_port = udp_port;
-
-	retval = rte_eth_dev_info_get(port, &dev_info);
-	if (retval != 0)
-		rte_exit(EXIT_FAILURE,
-			"Error during getting device (port %u) info: %s\n",
-			port, strerror(-retval));
-
-	if (dev_info.max_rx_queues > MAX_QUEUES) {
-		rte_exit(EXIT_FAILURE,
-			"please define MAX_QUEUES no less than %u in %s\n",
-			dev_info.max_rx_queues, __FILE__);
-	}
-
-	rxconf = &dev_info.default_rxconf;
-	txconf = &dev_info.default_txconf;
-
-	if (!rte_eth_dev_is_valid_port(port))
-		return -1;
-
-	rx_rings = nb_devices;
-	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
-		local_port_conf.txmode.offloads |=
-			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
-	/* Configure ethernet device. */
-	retval = rte_eth_dev_configure(port, rx_rings, tx_rings,
-				       &local_port_conf);
-	if (retval != 0)
-		return retval;
-
-	retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
-			&tx_ring_size);
-	if (retval != 0)
-		return retval;
-
-	/* Setup the queues. */
-	rxconf->offloads = local_port_conf.rxmode.offloads;
-	for (q = 0; q < rx_rings; q++) {
-		retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
-						rte_eth_dev_socket_id(port),
-						rxconf,
-						mbuf_pool);
-		if (retval < 0)
-			return retval;
-	}
-	txconf->offloads = local_port_conf.txmode.offloads;
-	for (q = 0; q < tx_rings; q++) {
-		retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
-						rte_eth_dev_socket_id(port),
-						txconf);
-		if (retval < 0)
-			return retval;
-	}
-
-	/* Start the device. */
-	retval  = rte_eth_dev_start(port);
-	if (retval < 0)
-		return retval;
-
-	/* Configure UDP port for UDP tunneling */
-	tunnel_udp.udp_port = udp_port;
-	tunnel_udp.prot_type = RTE_TUNNEL_TYPE_VXLAN;
-	retval = rte_eth_dev_udp_tunnel_port_add(port, &tunnel_udp);
-	if (retval < 0)
-		return retval;
-	retval = rte_eth_macaddr_get(port, &ports_eth_addr[port]);
-	if (retval < 0)
-		return retval;
-
-	RTE_LOG(INFO, PORT, "Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
-			" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
-			port,
-			ports_eth_addr[port].addr_bytes[0],
-			ports_eth_addr[port].addr_bytes[1],
-			ports_eth_addr[port].addr_bytes[2],
-			ports_eth_addr[port].addr_bytes[3],
-			ports_eth_addr[port].addr_bytes[4],
-			ports_eth_addr[port].addr_bytes[5]);
-
-	if (tso_segsz != 0) {
-		if ((dev_info.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
-			RTE_LOG(WARNING, PORT,
-				"hardware TSO offload is not supported\n");
-	}
-	return 0;
-}
-
-static int
-vxlan_rx_process(struct rte_mbuf *pkt)
-{
-	int ret = 0;
-
-	if (rx_decap)
-		ret = decapsulation(pkt);
-
-	return ret;
-}
-
-static void
-vxlan_tx_process(uint8_t queue_id, struct rte_mbuf *pkt)
-{
-	if (tx_encap)
-		encapsulation(pkt, queue_id);
-
-	return;
-}
-
-/*
- * This function learns the MAC address of the device and set init
- * L2 header and L3 header info.
- */
-int
-vxlan_link(struct vhost_dev *vdev, struct rte_mbuf *m)
-{
-	int i, ret;
-	struct rte_ether_hdr *pkt_hdr;
-	uint64_t portid = vdev->vid;
-	struct rte_ipv4_hdr *ip;
-
-	struct rte_eth_tunnel_filter_conf tunnel_filter_conf;
-
-	if (unlikely(portid >= VXLAN_N_PORTS)) {
-		RTE_LOG(INFO, VHOST_DATA,
-			"(%d) WARNING: Not configuring device,"
-			"as already have %d ports for VXLAN.",
-			vdev->vid, VXLAN_N_PORTS);
-		return -1;
-	}
-
-	/* Learn MAC address of guest device from packet */
-	pkt_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
-	if (rte_is_same_ether_addr(&(pkt_hdr->s_addr), &vdev->mac_address)) {
-		RTE_LOG(INFO, VHOST_DATA,
-			"(%d) WARNING: This device is using an existing"
-			" MAC address and has not been registered.\n",
-			vdev->vid);
-		return -1;
-	}
-
-	for (i = 0; i < RTE_ETHER_ADDR_LEN; i++) {
-		vdev->mac_address.addr_bytes[i] =
-			vxdev.port[portid].vport_mac.addr_bytes[i] =
-			pkt_hdr->s_addr.addr_bytes[i];
-		vxdev.port[portid].peer_mac.addr_bytes[i] = peer_mac[i];
-	}
-
-	memset(&tunnel_filter_conf, 0,
-		sizeof(struct rte_eth_tunnel_filter_conf));
-
-	rte_ether_addr_copy(&ports_eth_addr[0], &tunnel_filter_conf.outer_mac);
-	tunnel_filter_conf.filter_type = tep_filter_type[filter_idx];
-
-	/* inner MAC */
-	rte_ether_addr_copy(&vdev->mac_address, &tunnel_filter_conf.inner_mac);
-
-	tunnel_filter_conf.queue_id = vdev->rx_q;
-	tunnel_filter_conf.tenant_id = tenant_id_conf[vdev->rx_q];
-
-	if (tep_filter_type[filter_idx] == RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID)
-		tunnel_filter_conf.inner_vlan = INNER_VLAN_ID;
-
-	tunnel_filter_conf.tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
-
-	ret = rte_eth_dev_filter_ctrl(ports[0],
-		RTE_ETH_FILTER_TUNNEL,
-		RTE_ETH_FILTER_ADD,
-		&tunnel_filter_conf);
-	if (ret) {
-		RTE_LOG(ERR, VHOST_DATA,
-			"%d Failed to add device MAC address to cloud filter\n",
-		vdev->rx_q);
-		return -1;
-	}
-
-	/* Print out inner MAC and VNI info. */
-	RTE_LOG(INFO, VHOST_DATA,
-		"(%d) MAC_ADDRESS %02x:%02x:%02x:%02x:%02x:%02x and VNI %d registered\n",
-		vdev->rx_q,
-		vdev->mac_address.addr_bytes[0],
-		vdev->mac_address.addr_bytes[1],
-		vdev->mac_address.addr_bytes[2],
-		vdev->mac_address.addr_bytes[3],
-		vdev->mac_address.addr_bytes[4],
-		vdev->mac_address.addr_bytes[5],
-		tenant_id_conf[vdev->rx_q]);
-
-	vxdev.port[portid].vport_id = portid;
-
-	for (i = 0; i < 4; i++) {
-		/* Local VTEP IP */
-		vxdev.port_ip |= vxlan_multicast_ips[portid][i] << (8 * i);
-		/* Remote VTEP IP */
-		vxdev.port[portid].peer_ip |=
-			vxlan_overlay_ips[portid][i] << (8 * i);
-	}
-
-	vxdev.out_key = tenant_id_conf[vdev->rx_q];
-	rte_ether_addr_copy(&vxdev.port[portid].peer_mac,
-			&app_l2_hdr[portid].d_addr);
-	rte_ether_addr_copy(&ports_eth_addr[0],
-			&app_l2_hdr[portid].s_addr);
-	app_l2_hdr[portid].ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
-
-	ip = &app_ip_hdr[portid];
-	ip->version_ihl = RTE_IPV4_VHL_DEF;
-	ip->type_of_service = 0;
-	ip->total_length = 0;
-	ip->packet_id = 0;
-	ip->fragment_offset = IP_DN_FRAGMENT_FLAG;
-	ip->time_to_live = IP_DEFTTL;
-	ip->next_proto_id = IPPROTO_UDP;
-	ip->hdr_checksum = 0;
-	ip->src_addr = vxdev.port_ip;
-	ip->dst_addr = vxdev.port[portid].peer_ip;
-
-	/* Set device as ready for RX. */
-	vdev->ready = DEVICE_RX;
-
-	return 0;
-}
-
-/**
- * Removes cloud filter. Ensures that nothing is adding buffers to the RX
- * queue before disabling RX on the device.
- */
-void
-vxlan_unlink(struct vhost_dev *vdev)
-{
-	unsigned i = 0, rx_count;
-	int ret;
-	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
-	struct rte_eth_tunnel_filter_conf tunnel_filter_conf;
-
-	if (vdev->ready == DEVICE_RX) {
-		memset(&tunnel_filter_conf, 0,
-			sizeof(struct rte_eth_tunnel_filter_conf));
-
-		rte_ether_addr_copy(&ports_eth_addr[0],
-				&tunnel_filter_conf.outer_mac);
-		rte_ether_addr_copy(&vdev->mac_address,
-				&tunnel_filter_conf.inner_mac);
-		tunnel_filter_conf.tenant_id = tenant_id_conf[vdev->rx_q];
-		tunnel_filter_conf.filter_type = tep_filter_type[filter_idx];
-
-		if (tep_filter_type[filter_idx] ==
-			RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID)
-			tunnel_filter_conf.inner_vlan = INNER_VLAN_ID;
-
-		tunnel_filter_conf.queue_id = vdev->rx_q;
-		tunnel_filter_conf.tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
-
-		ret = rte_eth_dev_filter_ctrl(ports[0],
-				RTE_ETH_FILTER_TUNNEL,
-				RTE_ETH_FILTER_DELETE,
-				&tunnel_filter_conf);
-		if (ret) {
-			RTE_LOG(ERR, VHOST_DATA,
-				"%d Failed to add device MAC address to cloud filter\n",
-				vdev->rx_q);
-			return;
-		}
-		for (i = 0; i < RTE_ETHER_ADDR_LEN; i++)
-			vdev->mac_address.addr_bytes[i] = 0;
-
-		/* Clear out the receive buffers */
-		rx_count = rte_eth_rx_burst(ports[0],
-				(uint16_t)vdev->rx_q,
-				pkts_burst, MAX_PKT_BURST);
-
-		while (rx_count) {
-			for (i = 0; i < rx_count; i++)
-				rte_pktmbuf_free(pkts_burst[i]);
-
-			rx_count = rte_eth_rx_burst(ports[0],
-					(uint16_t)vdev->rx_q,
-					pkts_burst, MAX_PKT_BURST);
-		}
-		vdev->ready = DEVICE_MAC_LEARNING;
-	}
-}
-
-/* Transmit packets after encapsulating */
-int
-vxlan_tx_pkts(uint16_t port_id, uint16_t queue_id,
-		struct rte_mbuf **tx_pkts, uint16_t nb_pkts) {
-	int ret = 0;
-	uint16_t i;
-
-	for (i = 0; i < nb_pkts; i++)
-		vxlan_tx_process(queue_id, tx_pkts[i]);
-
-	ret = rte_eth_tx_burst(port_id, queue_id, tx_pkts, nb_pkts);
-
-	return ret;
-}
-
-/* Check for decapsulation and pass packets directly to VIRTIO device */
-int
-vxlan_rx_pkts(int vid, struct rte_mbuf **pkts_burst, uint32_t rx_count)
-{
-	uint32_t i = 0;
-	uint32_t count = 0;
-	int ret;
-	struct rte_mbuf *pkts_valid[rx_count];
-
-	for (i = 0; i < rx_count; i++) {
-		if (enable_stats) {
-			rte_atomic64_add(
-				&dev_statistics[vid].rx_bad_ip_csum,
-				(pkts_burst[i]->ol_flags & PKT_RX_IP_CKSUM_BAD)
-				!= 0);
-			rte_atomic64_add(
-				&dev_statistics[vid].rx_bad_ip_csum,
-				(pkts_burst[i]->ol_flags & PKT_RX_L4_CKSUM_BAD)
-				!= 0);
-		}
-		ret = vxlan_rx_process(pkts_burst[i]);
-		if (unlikely(ret < 0))
-			continue;
-
-		pkts_valid[count] = pkts_burst[i];
-			count++;
-	}
-
-	ret = rte_vhost_enqueue_burst(vid, VIRTIO_RXQ, pkts_valid, count);
-	return ret;
-}
diff --git a/examples/tep_termination/vxlan_setup.h b/examples/tep_termination/vxlan_setup.h
deleted file mode 100644
index 4dc37d673..000000000
--- a/examples/tep_termination/vxlan_setup.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2015 Intel Corporation
- */
-
-#ifndef VXLAN_SETUP_H_
-#define VXLAN_SETUP_H_
-
-extern uint16_t nb_devices;
-extern uint16_t udp_port;
-extern uint8_t filter_idx;
-extern uint16_t ports[RTE_MAX_ETHPORTS];
-extern struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
-extern uint32_t enable_stats;
-extern struct device_statistics dev_statistics[MAX_DEVICES];
-extern uint8_t rx_decap;
-extern uint8_t tx_encap;
-
-typedef int (*ol_port_configure_t)(uint16_t port,
-				   struct rte_mempool *mbuf_pool);
-
-typedef int (*ol_tunnel_setup_t)(struct vhost_dev *vdev,
-				 struct rte_mbuf *m);
-
-typedef void (*ol_tunnel_destroy_t)(struct vhost_dev *vdev);
-
-typedef int (*ol_tx_handle_t)(uint16_t port_id, uint16_t queue_id,
-			      struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-
-typedef int (*ol_rx_handle_t)(int vid, struct rte_mbuf **pkts,
-			      uint32_t count);
-
-typedef int (*ol_param_handle)(int vid);
-
-struct ol_switch_ops {
-	ol_port_configure_t        port_configure;
-	ol_tunnel_setup_t          tunnel_setup;
-	ol_tunnel_destroy_t        tunnel_destroy;
-	ol_tx_handle_t             tx_handle;
-	ol_rx_handle_t             rx_handle;
-	ol_param_handle            param_handle;
-};
-
-int
-vxlan_port_init(uint16_t port, struct rte_mempool *mbuf_pool);
-
-int
-vxlan_link(struct vhost_dev *vdev, struct rte_mbuf *m);
-
-void
-vxlan_unlink(struct vhost_dev *vdev);
-
-int
-vxlan_tx_pkts(uint16_t port_id, uint16_t queue_id,
-			struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-int
-vxlan_rx_pkts(int vid, struct rte_mbuf **pkts, uint32_t count);
-
-#endif /* VXLAN_SETUP_H_ */
-- 
2.17.1


             reply	other threads:[~2020-10-19  8:29 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-19  8:27 Xiaoyun Li [this message]
2020-10-19  8:49 ` Thomas Monjalon
2020-10-19  9:19   ` Andrew Rybchenko
2020-10-19  9:13 ` Ferruh Yigit
2020-10-20  5:19   ` Li, Xiaoyun
2020-10-20  6:11 ` [dpdk-dev] [PATCH v2] " Xiaoyun Li
2020-10-20 11:29   ` Ferruh Yigit
2020-10-20 11:42   ` Thomas Monjalon
2020-10-21  1:44     ` Li, Xiaoyun
2020-10-21  2:10 ` [dpdk-dev] [PATCH v3] " Xiaoyun Li
2020-10-26  8:11 ` [dpdk-dev] [PATCH v4] " Xiaoyun Li
2020-10-29 11:43   ` Thomas Monjalon

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