Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 915 insertions, 0 deletions

diff --git a/src/seastar/dpdk/app/pdump/main.c b/src/seastar/dpdk/app/pdump/main.c
new file mode 100644
index 00000000..3b13753d
--- /dev/null
+++ b/src/seastar/dpdk/app/pdump/main.c
@@ -0,0 +1,915 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <net/if.h>
+
+#include <rte_eal.h>
+#include <rte_common.h>
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_memory.h>
+#include <rte_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_errno.h>
+#include <rte_dev.h>
+#include <rte_kvargs.h>
+#include <rte_mempool.h>
+#include <rte_ring.h>
+#include <rte_pdump.h>
+
+#define CMD_LINE_OPT_PDUMP "pdump"
+#define PDUMP_PORT_ARG "port"
+#define PDUMP_PCI_ARG "device_id"
+#define PDUMP_QUEUE_ARG "queue"
+#define PDUMP_DIR_ARG "dir"
+#define PDUMP_RX_DEV_ARG "rx-dev"
+#define PDUMP_TX_DEV_ARG "tx-dev"
+#define PDUMP_RING_SIZE_ARG "ring-size"
+#define PDUMP_MSIZE_ARG "mbuf-size"
+#define PDUMP_NUM_MBUFS_ARG "total-num-mbufs"
+#define CMD_LINE_OPT_SER_SOCK_PATH "server-socket-path"
+#define CMD_LINE_OPT_CLI_SOCK_PATH "client-socket-path"
+
+#define VDEV_PCAP "net_pcap_%s_%d,tx_pcap=%s"
+#define VDEV_IFACE "net_pcap_%s_%d,tx_iface=%s"
+#define TX_STREAM_SIZE 64
+
+#define MP_NAME "pdump_pool_%d"
+
+#define RX_RING "rx_ring_%d"
+#define TX_RING "tx_ring_%d"
+
+#define RX_STR "rx"
+#define TX_STR "tx"
+
+/* Maximum long option length for option parsing. */
+#define APP_ARG_TCPDUMP_MAX_TUPLES 54
+#define MBUF_POOL_CACHE_SIZE 250
+#define TX_DESC_PER_QUEUE 512
+#define RX_DESC_PER_QUEUE 128
+#define MBUFS_PER_POOL 65535
+#define MAX_LONG_OPT_SZ 64
+#define RING_SIZE 16384
+#define SIZE 256
+#define BURST_SIZE 32
+#define NUM_VDEVS 2
+
+/* true if x is a power of 2 */
+#define POWEROF2(x) ((((x)-1) & (x)) == 0)
+
+enum pdump_en_dis {
+	DISABLE = 1,
+	ENABLE = 2
+};
+
+enum pcap_stream {
+	IFACE = 1,
+	PCAP = 2
+};
+
+enum pdump_by {
+	PORT_ID = 1,
+	DEVICE_ID = 2
+};
+
+const char *valid_pdump_arguments[] = {
+	PDUMP_PORT_ARG,
+	PDUMP_PCI_ARG,
+	PDUMP_QUEUE_ARG,
+	PDUMP_DIR_ARG,
+	PDUMP_RX_DEV_ARG,
+	PDUMP_TX_DEV_ARG,
+	PDUMP_RING_SIZE_ARG,
+	PDUMP_MSIZE_ARG,
+	PDUMP_NUM_MBUFS_ARG,
+	NULL
+};
+
+struct pdump_stats {
+	uint64_t dequeue_pkts;
+	uint64_t tx_pkts;
+	uint64_t freed_pkts;
+};
+
+struct pdump_tuples {
+	/* cli params */
+	uint8_t port;
+	char *device_id;
+	uint16_t queue;
+	char rx_dev[TX_STREAM_SIZE];
+	char tx_dev[TX_STREAM_SIZE];
+	uint32_t ring_size;
+	uint16_t mbuf_data_size;
+	uint32_t total_num_mbufs;
+
+	/* params for library API call */
+	uint32_t dir;
+	struct rte_mempool *mp;
+	struct rte_ring *rx_ring;
+	struct rte_ring *tx_ring;
+
+	/* params for packet dumping */
+	enum pdump_by dump_by_type;
+	int rx_vdev_id;
+	int tx_vdev_id;
+	enum pcap_stream rx_vdev_stream_type;
+	enum pcap_stream tx_vdev_stream_type;
+	bool single_pdump_dev;
+
+	/* stats */
+	struct pdump_stats stats;
+} __rte_cache_aligned;
+static struct pdump_tuples pdump_t[APP_ARG_TCPDUMP_MAX_TUPLES];
+
+struct parse_val {
+	uint64_t min;
+	uint64_t max;
+	uint64_t val;
+};
+
+int num_tuples;
+static struct rte_eth_conf port_conf_default;
+volatile uint8_t quit_signal;
+static char server_socket_path[PATH_MAX];
+static char client_socket_path[PATH_MAX];
+
+/**< display usage */
+static void
+pdump_usage(const char *prgname)
+{
+	printf("usage: %s [EAL options] -- --pdump "
+			"'(port=<port id> | device_id=<pci id or vdev name>),"
+			"(queue=<queue_id>),"
+			"(rx-dev=<iface or pcap file> |"
+			" tx-dev=<iface or pcap file>,"
+			"[ring-size=<ring size>default:16384],"
+			"[mbuf-size=<mbuf data size>default:2176],"
+			"[total-num-mbufs=<number of mbufs>default:65535]'\n"
+			"[--server-socket-path=<server socket dir>"
+				"default:/var/run/.dpdk/ (or) ~/.dpdk/]\n"
+			"[--client-socket-path=<client socket dir>"
+				"default:/var/run/.dpdk/ (or) ~/.dpdk/]\n",
+			prgname);
+}
+
+static int
+parse_device_id(const char *key __rte_unused, const char *value,
+		void *extra_args)
+{
+	struct pdump_tuples *pt = extra_args;
+
+	pt->device_id = strdup(value);
+	pt->dump_by_type = DEVICE_ID;
+
+	return 0;
+}
+
+static int
+parse_queue(const char *key __rte_unused, const char *value, void *extra_args)
+{
+	unsigned long n;
+	struct pdump_tuples *pt = extra_args;
+
+	if (!strcmp(value, "*"))
+		pt->queue = RTE_PDUMP_ALL_QUEUES;
+	else {
+		n = strtoul(value, NULL, 10);
+		pt->queue = (uint16_t) n;
+	}
+	return 0;
+}
+
+static int
+parse_rxtxdev(const char *key, const char *value, void *extra_args)
+{
+
+	struct pdump_tuples *pt = extra_args;
+
+	if (!strcmp(key, PDUMP_RX_DEV_ARG)) {
+		snprintf(pt->rx_dev, sizeof(pt->rx_dev), "%s", value);
+		/* identify the tx stream type for pcap vdev */
+		if (if_nametoindex(pt->rx_dev))
+			pt->rx_vdev_stream_type = IFACE;
+	} else if (!strcmp(key, PDUMP_TX_DEV_ARG)) {
+		snprintf(pt->tx_dev, sizeof(pt->tx_dev), "%s", value);
+		/* identify the tx stream type for pcap vdev */
+		if (if_nametoindex(pt->tx_dev))
+			pt->tx_vdev_stream_type = IFACE;
+	}
+
+	return 0;
+}
+
+static int
+parse_uint_value(const char *key, const char *value, void *extra_args)
+{
+	struct parse_val *v;
+	unsigned long t;
+	char *end;
+	int ret = 0;
+
+	errno = 0;
+	v = extra_args;
+	t = strtoul(value, &end, 10);
+
+	if (errno != 0 || end[0] != 0 || t < v->min || t > v->max) {
+		printf("invalid value:\"%s\" for key:\"%s\", "
+			"value must be >= %"PRIu64" and <= %"PRIu64"\n",
+			value, key, v->min, v->max);
+		ret = -EINVAL;
+	}
+	if (!strcmp(key, PDUMP_RING_SIZE_ARG) && !POWEROF2(t)) {
+		printf("invalid value:\"%s\" for key:\"%s\", "
+			"value must be power of 2\n", value, key);
+		ret = -EINVAL;
+	}
+
+	if (ret != 0)
+		return ret;
+
+	v->val = t;
+	return 0;
+}
+
+static int
+parse_pdump(const char *optarg)
+{
+	struct rte_kvargs *kvlist;
+	int ret = 0, cnt1, cnt2;
+	struct pdump_tuples *pt;
+	struct parse_val v = {0};
+
+	pt = &pdump_t[num_tuples];
+
+	/* initial check for invalid arguments */
+	kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
+	if (kvlist == NULL) {
+		printf("--pdump=\"%s\": invalid argument passed\n", optarg);
+		return -1;
+	}
+
+	/* port/device_id parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
+	cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
+	if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
+		printf("--pdump=\"%s\": must have either port or "
+			"device_id argument\n", optarg);
+		ret = -1;
+		goto free_kvlist;
+	} else if (cnt1 == 1) {
+		v.min = 0;
+		v.max = RTE_MAX_ETHPORTS-1;
+		ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
+				&parse_uint_value, &v);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->port = (uint8_t) v.val;
+		pt->dump_by_type = PORT_ID;
+	} else if (cnt2 == 1) {
+		ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
+				&parse_device_id, pt);
+		if (ret < 0)
+			goto free_kvlist;
+	}
+
+	/* queue parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
+	if (cnt1 != 1) {
+		printf("--pdump=\"%s\": must have queue argument\n", optarg);
+		ret = -1;
+		goto free_kvlist;
+	}
+	ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
+	if (ret < 0)
+		goto free_kvlist;
+
+	/* rx-dev and tx-dev parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
+	cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
+	if (cnt1 == 0 && cnt2 == 0) {
+		printf("--pdump=\"%s\": must have either rx-dev or "
+			"tx-dev argument\n", optarg);
+		ret = -1;
+		goto free_kvlist;
+	} else if (cnt1 == 1 && cnt2 == 1) {
+		ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
+					&parse_rxtxdev, pt);
+		if (ret < 0)
+			goto free_kvlist;
+		ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
+					&parse_rxtxdev, pt);
+		if (ret < 0)
+			goto free_kvlist;
+		/* if captured packets has to send to the same vdev */
+		if (!strcmp(pt->rx_dev, pt->tx_dev))
+			pt->single_pdump_dev = true;
+		pt->dir = RTE_PDUMP_FLAG_RXTX;
+	} else if (cnt1 == 1) {
+		ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
+					&parse_rxtxdev, pt);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->dir = RTE_PDUMP_FLAG_RX;
+	} else if (cnt2 == 1) {
+		ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
+					&parse_rxtxdev, pt);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->dir = RTE_PDUMP_FLAG_TX;
+	}
+
+	/* optional */
+	/* ring_size parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_RING_SIZE_ARG);
+	if (cnt1 == 1) {
+		v.min = 2;
+		v.max = RTE_RING_SZ_MASK-1;
+		ret = rte_kvargs_process(kvlist, PDUMP_RING_SIZE_ARG,
+						&parse_uint_value, &v);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->ring_size = (uint32_t) v.val;
+	} else
+		pt->ring_size = RING_SIZE;
+
+	/* mbuf_data_size parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_MSIZE_ARG);
+	if (cnt1 == 1) {
+		v.min = 1;
+		v.max = UINT16_MAX;
+		ret = rte_kvargs_process(kvlist, PDUMP_MSIZE_ARG,
+						&parse_uint_value, &v);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->mbuf_data_size = (uint16_t) v.val;
+	} else
+		pt->mbuf_data_size = RTE_MBUF_DEFAULT_BUF_SIZE;
+
+	/* total_num_mbufs parsing and validation */
+	cnt1 = rte_kvargs_count(kvlist, PDUMP_NUM_MBUFS_ARG);
+	if (cnt1 == 1) {
+		v.min = 1025;
+		v.max = UINT16_MAX;
+		ret = rte_kvargs_process(kvlist, PDUMP_NUM_MBUFS_ARG,
+						&parse_uint_value, &v);
+		if (ret < 0)
+			goto free_kvlist;
+		pt->total_num_mbufs = (uint16_t) v.val;
+	} else
+		pt->total_num_mbufs = MBUFS_PER_POOL;
+
+	num_tuples++;
+
+free_kvlist:
+	rte_kvargs_free(kvlist);
+	return ret;
+}
+
+/* Parse the argument given in the command line of the application */
+static int
+launch_args_parse(int argc, char **argv, char *prgname)
+{
+	int opt, ret;
+	int option_index;
+	static struct option long_option[] = {
+		{"pdump", 1, 0, 0},
+		{"server-socket-path", 1, 0, 0},
+		{"client-socket-path", 1, 0, 0},
+		{NULL, 0, 0, 0}
+	};
+
+	if (argc == 1)
+		pdump_usage(prgname);
+
+	/* Parse command line */
+	while ((opt = getopt_long(argc, argv, " ",
+			long_option, &option_index)) != EOF) {
+		switch (opt) {
+		case 0:
+			if (!strncmp(long_option[option_index].name,
+					CMD_LINE_OPT_PDUMP,
+					sizeof(CMD_LINE_OPT_PDUMP))) {
+				ret = parse_pdump(optarg);
+				if (ret) {
+					pdump_usage(prgname);
+					return -1;
+				}
+			}
+
+			if (!strncmp(long_option[option_index].name,
+					CMD_LINE_OPT_SER_SOCK_PATH,
+					sizeof(CMD_LINE_OPT_SER_SOCK_PATH))) {
+				snprintf(server_socket_path,
+					sizeof(server_socket_path), "%s",
+					optarg);
+			}
+
+			if (!strncmp(long_option[option_index].name,
+					CMD_LINE_OPT_CLI_SOCK_PATH,
+					sizeof(CMD_LINE_OPT_CLI_SOCK_PATH))) {
+				snprintf(client_socket_path,
+					sizeof(client_socket_path), "%s",
+					optarg);
+			}
+
+			break;
+		default:
+			pdump_usage(prgname);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+static void
+print_pdump_stats(void)
+{
+	int i;
+	struct pdump_tuples *pt;
+
+	for (i = 0; i < num_tuples; i++) {
+		printf("##### PDUMP DEBUG STATS #####\n");
+		pt = &pdump_t[i];
+		printf(" -packets dequeued:			%"PRIu64"\n",
+							pt->stats.dequeue_pkts);
+		printf(" -packets transmitted to vdev:		%"PRIu64"\n",
+							pt->stats.tx_pkts);
+		printf(" -packets freed:			%"PRIu64"\n",
+							pt->stats.freed_pkts);
+	}
+}
+
+static inline void
+disable_pdump(struct pdump_tuples *pt)
+{
+	if (pt->dump_by_type == DEVICE_ID)
+		rte_pdump_disable_by_deviceid(pt->device_id, pt->queue,
+						pt->dir);
+	else if (pt->dump_by_type == PORT_ID)
+		rte_pdump_disable(pt->port, pt->queue, pt->dir);
+}
+
+static inline void
+pdump_rxtx(struct rte_ring *ring, uint8_t vdev_id, struct pdump_stats *stats)
+{
+	/* write input packets of port to vdev for pdump */
+	struct rte_mbuf *rxtx_bufs[BURST_SIZE];
+
+	/* first dequeue packets from ring of primary process */
+	const uint16_t nb_in_deq = rte_ring_dequeue_burst(ring,
+			(void *)rxtx_bufs, BURST_SIZE, NULL);
+	stats->dequeue_pkts += nb_in_deq;
+
+	if (nb_in_deq) {
+		/* then sent on vdev */
+		uint16_t nb_in_txd = rte_eth_tx_burst(
+				vdev_id,
+				0, rxtx_bufs, nb_in_deq);
+		stats->tx_pkts += nb_in_txd;
+
+		if (unlikely(nb_in_txd < nb_in_deq)) {
+			do {
+				rte_pktmbuf_free(rxtx_bufs[nb_in_txd]);
+				stats->freed_pkts++;
+			} while (++nb_in_txd < nb_in_deq);
+		}
+	}
+}
+
+static void
+free_ring_data(struct rte_ring *ring, uint8_t vdev_id,
+		struct pdump_stats *stats)
+{
+	while (rte_ring_count(ring))
+		pdump_rxtx(ring, vdev_id, stats);
+}
+
+static void
+cleanup_rings(void)
+{
+	int i;
+	struct pdump_tuples *pt;
+
+	for (i = 0; i < num_tuples; i++) {
+		pt = &pdump_t[i];
+
+		if (pt->device_id)
+			free(pt->device_id);
+
+		/* free the rings */
+		if (pt->rx_ring)
+			rte_ring_free(pt->rx_ring);
+		if (pt->tx_ring)
+			rte_ring_free(pt->tx_ring);
+	}
+}
+
+static void
+cleanup_pdump_resources(void)
+{
+	int i;
+	struct pdump_tuples *pt;
+
+	/* disable pdump and free the pdump_tuple resources */
+	for (i = 0; i < num_tuples; i++) {
+		pt = &pdump_t[i];
+
+		/* remove callbacks */
+		disable_pdump(pt);
+
+		/*
+		* transmit rest of the enqueued packets of the rings on to
+		* the vdev, in order to release mbufs to the mepool.
+		**/
+		if (pt->dir & RTE_PDUMP_FLAG_RX)
+			free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
+		if (pt->dir & RTE_PDUMP_FLAG_TX)
+			free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
+	}
+	cleanup_rings();
+}
+
+static void
+signal_handler(int sig_num)
+{
+	if (sig_num == SIGINT) {
+		printf("\n\nSignal %d received, preparing to exit...\n",
+				sig_num);
+		quit_signal = 1;
+	}
+}
+
+static inline int
+configure_vdev(uint8_t port_id)
+{
+	struct ether_addr addr;
+	const uint16_t rxRings = 0, txRings = 1;
+	const uint8_t nb_ports = rte_eth_dev_count();
+	int ret;
+	uint16_t q;
+
+	if (port_id > nb_ports)
+		return -1;
+
+	ret = rte_eth_dev_configure(port_id, rxRings, txRings,
+					&port_conf_default);
+	if (ret != 0)
+		rte_exit(EXIT_FAILURE, "dev config failed\n");
+
+	 for (q = 0; q < txRings; q++) {
+		ret = rte_eth_tx_queue_setup(port_id, q, TX_DESC_PER_QUEUE,
+				rte_eth_dev_socket_id(port_id), NULL);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "queue setup failed\n");
+	}
+
+	ret = rte_eth_dev_start(port_id);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "dev start failed\n");
+
+	rte_eth_macaddr_get(port_id, &addr);
+	printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
+			" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
+			(unsigned)port_id,
+			addr.addr_bytes[0], addr.addr_bytes[1],
+			addr.addr_bytes[2], addr.addr_bytes[3],
+			addr.addr_bytes[4], addr.addr_bytes[5]);
+
+	rte_eth_promiscuous_enable(port_id);
+
+	return 0;
+}
+
+static void
+create_mp_ring_vdev(void)
+{
+	int i;
+	uint8_t portid;
+	struct pdump_tuples *pt = NULL;
+	struct rte_mempool *mbuf_pool = NULL;
+	char vdev_args[SIZE];
+	char ring_name[SIZE];
+	char mempool_name[SIZE];
+
+	for (i = 0; i < num_tuples; i++) {
+		pt = &pdump_t[i];
+		snprintf(mempool_name, SIZE, MP_NAME, i);
+		mbuf_pool = rte_mempool_lookup(mempool_name);
+		if (mbuf_pool == NULL) {
+			/* create mempool */
+			mbuf_pool = rte_pktmbuf_pool_create(mempool_name,
+					pt->total_num_mbufs,
+					MBUF_POOL_CACHE_SIZE, 0,
+					pt->mbuf_data_size,
+					rte_socket_id());
+			if (mbuf_pool == NULL) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE,
+					"Mempool creation failed: %s\n",
+					rte_strerror(rte_errno));
+			}
+		}
+		pt->mp = mbuf_pool;
+
+		if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
+			/* if captured packets has to send to the same vdev */
+			/* create rx_ring */
+			snprintf(ring_name, SIZE, RX_RING, i);
+			pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
+					rte_socket_id(), 0);
+			if (pt->rx_ring == NULL) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
+						rte_strerror(rte_errno),
+						__func__, __LINE__);
+			}
+
+			/* create tx_ring */
+			snprintf(ring_name, SIZE, TX_RING, i);
+			pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
+					rte_socket_id(), 0);
+			if (pt->tx_ring == NULL) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
+						rte_strerror(rte_errno),
+						__func__, __LINE__);
+			}
+
+			/* create vdevs */
+			(pt->rx_vdev_stream_type == IFACE) ?
+			snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
+			pt->rx_dev) :
+			snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
+			pt->rx_dev);
+			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE,
+					"vdev creation failed:%s:%d\n",
+					__func__, __LINE__);
+			}
+			pt->rx_vdev_id = portid;
+
+			/* configure vdev */
+			configure_vdev(pt->rx_vdev_id);
+
+			if (pt->single_pdump_dev)
+				pt->tx_vdev_id = portid;
+			else {
+				(pt->tx_vdev_stream_type == IFACE) ?
+				snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
+				pt->tx_dev) :
+				snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
+				pt->tx_dev);
+				if (rte_eth_dev_attach(vdev_args,
+							&portid) < 0) {
+					cleanup_rings();
+					rte_exit(EXIT_FAILURE,
+						"vdev creation failed:"
+						"%s:%d\n", __func__, __LINE__);
+				}
+				pt->tx_vdev_id = portid;
+
+				/* configure vdev */
+				configure_vdev(pt->tx_vdev_id);
+			}
+		} else if (pt->dir == RTE_PDUMP_FLAG_RX) {
+
+			/* create rx_ring */
+			snprintf(ring_name, SIZE, RX_RING, i);
+			pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
+					rte_socket_id(), 0);
+			if (pt->rx_ring == NULL) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE, "%s\n",
+					rte_strerror(rte_errno));
+			}
+
+			(pt->rx_vdev_stream_type == IFACE) ?
+			snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
+				pt->rx_dev) :
+			snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
+				pt->rx_dev);
+			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE,
+					"vdev creation failed:%s:%d\n",
+					__func__, __LINE__);
+			}
+			pt->rx_vdev_id = portid;
+			/* configure vdev */
+			configure_vdev(pt->rx_vdev_id);
+		} else if (pt->dir == RTE_PDUMP_FLAG_TX) {
+
+			/* create tx_ring */
+			snprintf(ring_name, SIZE, TX_RING, i);
+			pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
+					rte_socket_id(), 0);
+			if (pt->tx_ring == NULL) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE, "%s\n",
+					rte_strerror(rte_errno));
+			}
+
+			(pt->tx_vdev_stream_type == IFACE) ?
+			snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
+				pt->tx_dev) :
+			snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
+				pt->tx_dev);
+			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+				cleanup_rings();
+				rte_exit(EXIT_FAILURE,
+					"vdev creation failed\n");
+			}
+			pt->tx_vdev_id = portid;
+
+			/* configure vdev */
+			configure_vdev(pt->tx_vdev_id);
+		}
+	}
+}
+
+static void
+enable_pdump(void)
+{
+	int i;
+	struct pdump_tuples *pt;
+	int ret = 0, ret1 = 0;
+
+	if (server_socket_path[0] != 0)
+		ret = rte_pdump_set_socket_dir(server_socket_path,
+				RTE_PDUMP_SOCKET_SERVER);
+	if (ret == 0 && client_socket_path[0] != 0) {
+		ret = rte_pdump_set_socket_dir(client_socket_path,
+				RTE_PDUMP_SOCKET_CLIENT);
+	}
+	if (ret < 0) {
+		cleanup_pdump_resources();
+		rte_exit(EXIT_FAILURE,
+				"failed to set socket paths of server:%s, "
+				"client:%s\n",
+				server_socket_path,
+				client_socket_path);
+	}
+
+	for (i = 0; i < num_tuples; i++) {
+		pt = &pdump_t[i];
+		if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
+			if (pt->dump_by_type == DEVICE_ID) {
+				ret = rte_pdump_enable_by_deviceid(
+						pt->device_id,
+						pt->queue,
+						RTE_PDUMP_FLAG_RX,
+						pt->rx_ring,
+						pt->mp, NULL);
+				ret1 = rte_pdump_enable_by_deviceid(
+						pt->device_id,
+						pt->queue,
+						RTE_PDUMP_FLAG_TX,
+						pt->tx_ring,
+						pt->mp, NULL);
+			} else if (pt->dump_by_type == PORT_ID) {
+				ret = rte_pdump_enable(pt->port, pt->queue,
+						RTE_PDUMP_FLAG_RX,
+						pt->rx_ring, pt->mp, NULL);
+				ret1 = rte_pdump_enable(pt->port, pt->queue,
+						RTE_PDUMP_FLAG_TX,
+						pt->tx_ring, pt->mp, NULL);
+			}
+		} else if (pt->dir == RTE_PDUMP_FLAG_RX) {
+			if (pt->dump_by_type == DEVICE_ID)
+				ret = rte_pdump_enable_by_deviceid(
+						pt->device_id,
+						pt->queue,
+						pt->dir, pt->rx_ring,
+						pt->mp, NULL);
+			else if (pt->dump_by_type == PORT_ID)
+				ret = rte_pdump_enable(pt->port, pt->queue,
+						pt->dir,
+						pt->rx_ring, pt->mp, NULL);
+		} else if (pt->dir == RTE_PDUMP_FLAG_TX) {
+			if (pt->dump_by_type == DEVICE_ID)
+				ret = rte_pdump_enable_by_deviceid(
+						pt->device_id,
+						pt->queue,
+						pt->dir,
+						pt->tx_ring, pt->mp, NULL);
+			else if (pt->dump_by_type == PORT_ID)
+				ret = rte_pdump_enable(pt->port, pt->queue,
+						pt->dir,
+						pt->tx_ring, pt->mp, NULL);
+		}
+		if (ret < 0 || ret1 < 0) {
+			cleanup_pdump_resources();
+			rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
+		}
+	}
+}
+
+static inline void
+dump_packets(void)
+{
+	int i;
+	struct pdump_tuples *pt;
+
+	while (!quit_signal) {
+		for (i = 0; i < num_tuples; i++) {
+			pt = &pdump_t[i];
+			if (pt->dir & RTE_PDUMP_FLAG_RX)
+				pdump_rxtx(pt->rx_ring, pt->rx_vdev_id,
+					&pt->stats);
+			if (pt->dir & RTE_PDUMP_FLAG_TX)
+				pdump_rxtx(pt->tx_ring, pt->tx_vdev_id,
+					&pt->stats);
+		}
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	int diag;
+	int ret;
+	int i;
+
+	char c_flag[] = "-c1";
+	char n_flag[] = "-n4";
+	char mp_flag[] = "--proc-type=secondary";
+	char *argp[argc + 3];
+
+	/* catch ctrl-c so we can print on exit */
+	signal(SIGINT, signal_handler);
+
+	argp[0] = argv[0];
+	argp[1] = c_flag;
+	argp[2] = n_flag;
+	argp[3] = mp_flag;
+
+	for (i = 1; i < argc; i++)
+		argp[i + 3] = argv[i];
+
+	argc += 3;
+
+	diag = rte_eal_init(argc, argp);
+	if (diag < 0)
+		rte_panic("Cannot init EAL\n");
+
+	argc -= diag;
+	argv += (diag - 3);
+
+	/* parse app arguments */
+	if (argc > 1) {
+		ret = launch_args_parse(argc, argv, argp[0]);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "Invalid argument\n");
+	}
+
+	/* create mempool, ring and vdevs info */
+	create_mp_ring_vdev();
+	enable_pdump();
+	dump_packets();
+
+	cleanup_pdump_resources();
+	/* dump debug stats */
+	print_pdump_stats();
+
+	return 0;
+}