1 files changed, 314 insertions, 340 deletions

diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index 7b7126bf..0162f446 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   Copyright(c) 2014 6WIND S.A.
  *   All rights reserved.
  *
@@ -33,23 +33,23 @@
  */
 
 #include <time.h>
-#include <rte_mbuf.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_memcpy.h>
-#include <rte_string_fns.h>
-#include <rte_cycles.h>
-#include <rte_kvargs.h>
-#include <rte_dev.h>
 
 #include <net/if.h>
 
 #include <pcap.h>
 
+#include <rte_cycles.h>
+#include <rte_ethdev.h>
+#include <rte_kvargs.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_vdev.h>
+
 #define RTE_ETH_PCAP_SNAPSHOT_LEN 65535
 #define RTE_ETH_PCAP_SNAPLEN ETHER_MAX_JUMBO_FRAME_LEN
 #define RTE_ETH_PCAP_PROMISC 1
 #define RTE_ETH_PCAP_TIMEOUT -1
+
 #define ETH_PCAP_RX_PCAP_ARG  "rx_pcap"
 #define ETH_PCAP_TX_PCAP_ARG  "tx_pcap"
 #define ETH_PCAP_RX_IFACE_ARG "rx_iface"
@@ -58,19 +58,25 @@
 
 #define ETH_PCAP_ARG_MAXLEN	64
 
+#define RTE_PMD_PCAP_MAX_QUEUES 16
+
 static char errbuf[PCAP_ERRBUF_SIZE];
 static unsigned char tx_pcap_data[RTE_ETH_PCAP_SNAPLEN];
 static struct timeval start_time;
 static uint64_t start_cycles;
 static uint64_t hz;
 
+struct queue_stat {
+	volatile unsigned long pkts;
+	volatile unsigned long bytes;
+	volatile unsigned long err_pkts;
+};
+
 struct pcap_rx_queue {
 	pcap_t *pcap;
 	uint8_t in_port;
 	struct rte_mempool *mb_pool;
-	volatile unsigned long rx_pkts;
-	volatile unsigned long rx_bytes;
-	volatile unsigned long err_pkts;
+	struct queue_stat rx_stat;
 	char name[PATH_MAX];
 	char type[ETH_PCAP_ARG_MAXLEN];
 };
@@ -78,36 +84,29 @@ struct pcap_rx_queue {
 struct pcap_tx_queue {
 	pcap_dumper_t *dumper;
 	pcap_t *pcap;
-	volatile unsigned long tx_pkts;
-	volatile unsigned long tx_bytes;
-	volatile unsigned long err_pkts;
+	struct queue_stat tx_stat;
 	char name[PATH_MAX];
 	char type[ETH_PCAP_ARG_MAXLEN];
 };
 
-struct rx_pcaps {
-	unsigned num_of_rx;
-	pcap_t *pcaps[RTE_PMD_RING_MAX_RX_RINGS];
-	const char *names[RTE_PMD_RING_MAX_RX_RINGS];
-	const char *types[RTE_PMD_RING_MAX_RX_RINGS];
-};
-
-struct tx_pcaps {
-	unsigned num_of_tx;
-	pcap_dumper_t *dumpers[RTE_PMD_RING_MAX_TX_RINGS];
-	pcap_t *pcaps[RTE_PMD_RING_MAX_RX_RINGS];
-	const char *names[RTE_PMD_RING_MAX_RX_RINGS];
-	const char *types[RTE_PMD_RING_MAX_RX_RINGS];
-};
-
 struct pmd_internals {
-	struct pcap_rx_queue rx_queue[RTE_PMD_RING_MAX_RX_RINGS];
-	struct pcap_tx_queue tx_queue[RTE_PMD_RING_MAX_TX_RINGS];
+	struct pcap_rx_queue rx_queue[RTE_PMD_PCAP_MAX_QUEUES];
+	struct pcap_tx_queue tx_queue[RTE_PMD_PCAP_MAX_QUEUES];
 	int if_index;
 	int single_iface;
 };
 
-const char *valid_arguments[] = {
+struct pmd_devargs {
+	unsigned int num_of_queue;
+	struct devargs_queue {
+		pcap_dumper_t *dumper;
+		pcap_t *pcap;
+		const char *name;
+		const char *type;
+	} queue[RTE_PMD_PCAP_MAX_QUEUES];
+};
+
+static const char *valid_arguments[] = {
 	ETH_PCAP_RX_PCAP_ARG,
 	ETH_PCAP_TX_PCAP_ARG,
 	ETH_PCAP_RX_IFACE_ARG,
@@ -116,11 +115,10 @@ const char *valid_arguments[] = {
 	NULL
 };
 
-static int open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper);
-static int open_single_rx_pcap(const char *pcap_filename, pcap_t **pcap);
-static int open_single_iface(const char *iface, pcap_t **pcap);
+static struct ether_addr eth_addr = {
+	.addr_bytes = { 0, 0, 0, 0x1, 0x2, 0x3 }
+};
 
-static struct ether_addr eth_addr = { .addr_bytes = { 0, 0, 0, 0x1, 0x2, 0x3 } };
 static const char *drivername = "Pcap PMD";
 static struct rte_eth_link pmd_link = {
 		.link_speed = ETH_SPEED_NUM_10G,
@@ -130,15 +128,12 @@ static struct rte_eth_link pmd_link = {
 };
 
 static int
-eth_pcap_rx_jumbo(struct rte_mempool *mb_pool,
-		  struct rte_mbuf *mbuf,
-		  const u_char *data,
-		  uint16_t data_len)
+eth_pcap_rx_jumbo(struct rte_mempool *mb_pool, struct rte_mbuf *mbuf,
+		const u_char *data, uint16_t data_len)
 {
-	struct rte_mbuf *m = mbuf;
-
 	/* Copy the first segment. */
 	uint16_t len = rte_pktmbuf_tailroom(mbuf);
+	struct rte_mbuf *m = mbuf;
 
 	rte_memcpy(rte_pktmbuf_append(mbuf, len), data, len);
 	data_len -= len;
@@ -178,7 +173,7 @@ eth_pcap_gather_data(unsigned char *data, struct rte_mbuf *mbuf)
 
 	while (mbuf) {
 		rte_memcpy(data + data_len, rte_pktmbuf_mtod(mbuf, void *),
-			   mbuf->data_len);
+			mbuf->data_len);
 
 		data_len += mbuf->data_len;
 		mbuf = mbuf->next;
@@ -186,11 +181,9 @@ eth_pcap_gather_data(unsigned char *data, struct rte_mbuf *mbuf)
 }
 
 static uint16_t
-eth_pcap_rx(void *queue,
-		struct rte_mbuf **bufs,
-		uint16_t nb_pkts)
+eth_pcap_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
-	unsigned i;
+	unsigned int i;
 	struct pcap_pkthdr header;
 	const u_char *packet;
 	struct rte_mbuf *mbuf;
@@ -210,17 +203,17 @@ eth_pcap_rx(void *queue,
 		packet = pcap_next(pcap_q->pcap, &header);
 		if (unlikely(packet == NULL))
 			break;
-		else
-			mbuf = rte_pktmbuf_alloc(pcap_q->mb_pool);
+
+		mbuf = rte_pktmbuf_alloc(pcap_q->mb_pool);
 		if (unlikely(mbuf == NULL))
 			break;
 
 		/* Now get the space available for data in the mbuf */
-		buf_size = (uint16_t)(rte_pktmbuf_data_room_size(pcap_q->mb_pool) -
-				RTE_PKTMBUF_HEADROOM);
+		buf_size = rte_pktmbuf_data_room_size(pcap_q->mb_pool) -
+				RTE_PKTMBUF_HEADROOM;
 
 		if (header.caplen <= buf_size) {
-			/* pcap packet will fit in the mbuf, go ahead and copy */
+			/* pcap packet will fit in the mbuf, can copy it */
 			rte_memcpy(rte_pktmbuf_mtod(mbuf, void *), packet,
 					header.caplen);
 			mbuf->data_len = (uint16_t)header.caplen;
@@ -241,8 +234,9 @@ eth_pcap_rx(void *queue,
 		num_rx++;
 		rx_bytes += header.caplen;
 	}
-	pcap_q->rx_pkts += num_rx;
-	pcap_q->rx_bytes += rx_bytes;
+	pcap_q->rx_stat.pkts += num_rx;
+	pcap_q->rx_stat.bytes += rx_bytes;
+
 	return num_rx;
 }
 
@@ -261,11 +255,9 @@ calculate_timestamp(struct timeval *ts) {
  * Callback to handle writing packets to a pcap file.
  */
 static uint16_t
-eth_pcap_tx_dumper(void *queue,
-		struct rte_mbuf **bufs,
-		uint16_t nb_pkts)
+eth_pcap_tx_dumper(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
-	unsigned i;
+	unsigned int i;
 	struct rte_mbuf *mbuf;
 	struct pcap_tx_queue *dumper_q = queue;
 	uint16_t num_tx = 0;
@@ -275,7 +267,8 @@ eth_pcap_tx_dumper(void *queue,
 	if (dumper_q->dumper == NULL || nb_pkts == 0)
 		return 0;
 
-	/* writes the nb_pkts packets to the previously opened pcap file dumper */
+	/* writes the nb_pkts packets to the previously opened pcap file
+	 * dumper */
 	for (i = 0; i < nb_pkts; i++) {
 		mbuf = bufs[i];
 		calculate_timestamp(&header.ts);
@@ -292,8 +285,7 @@ eth_pcap_tx_dumper(void *queue,
 					  tx_pcap_data);
 			} else {
 				RTE_LOG(ERR, PMD,
-					"Dropping PCAP packet. "
-					"Size (%d) > max jumbo size (%d).\n",
+					"Dropping PCAP packet. Size (%d) > max jumbo size (%d).\n",
 					mbuf->pkt_len,
 					ETHER_MAX_JUMBO_FRAME_LEN);
 
@@ -313,9 +305,10 @@ eth_pcap_tx_dumper(void *queue,
 	 * we flush the pcap dumper within each burst.
 	 */
 	pcap_dump_flush(dumper_q->dumper);
-	dumper_q->tx_pkts += num_tx;
-	dumper_q->tx_bytes += tx_bytes;
-	dumper_q->err_pkts += nb_pkts - num_tx;
+	dumper_q->tx_stat.pkts += num_tx;
+	dumper_q->tx_stat.bytes += tx_bytes;
+	dumper_q->tx_stat.err_pkts += nb_pkts - num_tx;
+
 	return num_tx;
 }
 
@@ -323,11 +316,9 @@ eth_pcap_tx_dumper(void *queue,
  * Callback to handle sending packets through a real NIC.
  */
 static uint16_t
-eth_pcap_tx(void *queue,
-		struct rte_mbuf **bufs,
-		uint16_t nb_pkts)
+eth_pcap_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 {
-	unsigned i;
+	unsigned int i;
 	int ret;
 	struct rte_mbuf *mbuf;
 	struct pcap_tx_queue *tx_queue = queue;
@@ -342,18 +333,16 @@ eth_pcap_tx(void *queue,
 
 		if (likely(mbuf->nb_segs == 1)) {
 			ret = pcap_sendpacket(tx_queue->pcap,
-					      rte_pktmbuf_mtod(mbuf, u_char *),
-					      mbuf->pkt_len);
+					rte_pktmbuf_mtod(mbuf, u_char *),
+					mbuf->pkt_len);
 		} else {
 			if (mbuf->pkt_len <= ETHER_MAX_JUMBO_FRAME_LEN) {
 				eth_pcap_gather_data(tx_pcap_data, mbuf);
 				ret = pcap_sendpacket(tx_queue->pcap,
-						      tx_pcap_data,
-						      mbuf->pkt_len);
+						tx_pcap_data, mbuf->pkt_len);
 			} else {
 				RTE_LOG(ERR, PMD,
-					"Dropping PCAP packet. "
-					"Size (%d) > max jumbo size (%d).\n",
+					"Dropping PCAP packet. Size (%d) > max jumbo size (%d).\n",
 					mbuf->pkt_len,
 					ETHER_MAX_JUMBO_FRAME_LEN);
 
@@ -369,16 +358,84 @@ eth_pcap_tx(void *queue,
 		rte_pktmbuf_free(mbuf);
 	}
 
-	tx_queue->tx_pkts += num_tx;
-	tx_queue->tx_bytes += tx_bytes;
-	tx_queue->err_pkts += nb_pkts - num_tx;
+	tx_queue->tx_stat.pkts += num_tx;
+	tx_queue->tx_stat.bytes += tx_bytes;
+	tx_queue->tx_stat.err_pkts += nb_pkts - num_tx;
+
 	return num_tx;
 }
 
+/*
+ * pcap_open_live wrapper function
+ */
+static inline int
+open_iface_live(const char *iface, pcap_t **pcap) {
+	*pcap = pcap_open_live(iface, RTE_ETH_PCAP_SNAPLEN,
+			RTE_ETH_PCAP_PROMISC, RTE_ETH_PCAP_TIMEOUT, errbuf);
+
+	if (*pcap == NULL) {
+		RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", iface, errbuf);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+open_single_iface(const char *iface, pcap_t **pcap)
+{
+	if (open_iface_live(iface, pcap) < 0) {
+		RTE_LOG(ERR, PMD, "Couldn't open interface %s\n", iface);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper)
+{
+	pcap_t *tx_pcap;
+
+	/*
+	 * We need to create a dummy empty pcap_t to use it
+	 * with pcap_dump_open(). We create big enough an Ethernet
+	 * pcap holder.
+	 */
+	tx_pcap = pcap_open_dead(DLT_EN10MB, RTE_ETH_PCAP_SNAPSHOT_LEN);
+	if (tx_pcap == NULL) {
+		RTE_LOG(ERR, PMD, "Couldn't create dead pcap\n");
+		return -1;
+	}
+
+	/* The dumper is created using the previous pcap_t reference */
+	*dumper = pcap_dump_open(tx_pcap, pcap_filename);
+	if (*dumper == NULL) {
+		RTE_LOG(ERR, PMD, "Couldn't open %s for writing.\n",
+			pcap_filename);
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+open_single_rx_pcap(const char *pcap_filename, pcap_t **pcap)
+{
+	*pcap = pcap_open_offline(pcap_filename, errbuf);
+	if (*pcap == NULL) {
+		RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", pcap_filename,
+			errbuf);
+		return -1;
+	}
+
+	return 0;
+}
+
 static int
 eth_dev_start(struct rte_eth_dev *dev)
 {
-	unsigned i;
+	unsigned int i;
 	struct pmd_internals *internals = dev->data->dev_private;
 	struct pcap_tx_queue *tx;
 	struct pcap_rx_queue *rx;
@@ -400,12 +457,12 @@ eth_dev_start(struct rte_eth_dev *dev)
 	for (i = 0; i < dev->data->nb_tx_queues; i++) {
 		tx = &internals->tx_queue[i];
 
-		if (!tx->dumper && strcmp(tx->type, ETH_PCAP_TX_PCAP_ARG) == 0) {
+		if (!tx->dumper &&
+				strcmp(tx->type, ETH_PCAP_TX_PCAP_ARG) == 0) {
 			if (open_single_tx_pcap(tx->name, &tx->dumper) < 0)
 				return -1;
-		}
-
-		else if (!tx->pcap && strcmp(tx->type, ETH_PCAP_TX_IFACE_ARG) == 0) {
+		} else if (!tx->pcap &&
+				strcmp(tx->type, ETH_PCAP_TX_IFACE_ARG) == 0) {
 			if (open_single_iface(tx->name, &tx->pcap) < 0)
 				return -1;
 		}
@@ -421,17 +478,15 @@ eth_dev_start(struct rte_eth_dev *dev)
 		if (strcmp(rx->type, ETH_PCAP_RX_PCAP_ARG) == 0) {
 			if (open_single_rx_pcap(rx->name, &rx->pcap) < 0)
 				return -1;
-		}
-
-		else if (strcmp(rx->type, ETH_PCAP_RX_IFACE_ARG) == 0) {
+		} else if (strcmp(rx->type, ETH_PCAP_RX_IFACE_ARG) == 0) {
 			if (open_single_iface(rx->name, &rx->pcap) < 0)
 				return -1;
 		}
 	}
 
 status_up:
-
 	dev->data->dev_link.link_status = ETH_LINK_UP;
+
 	return 0;
 }
 
@@ -443,7 +498,7 @@ status_up:
 static void
 eth_dev_stop(struct rte_eth_dev *dev)
 {
-	unsigned i;
+	unsigned int i;
 	struct pmd_internals *internals = dev->data->dev_private;
 	struct pcap_tx_queue *tx;
 	struct pcap_rx_queue *rx;
@@ -496,6 +551,7 @@ eth_dev_info(struct rte_eth_dev *dev,
 		struct rte_eth_dev_info *dev_info)
 {
 	struct pmd_internals *internals = dev->data->dev_private;
+
 	dev_info->driver_name = drivername;
 	dev_info->if_index = internals->if_index;
 	dev_info->max_mac_addrs = 1;
@@ -507,10 +563,9 @@ eth_dev_info(struct rte_eth_dev *dev,
 }
 
 static void
-eth_stats_get(struct rte_eth_dev *dev,
-		struct rte_eth_stats *igb_stats)
+eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
-	unsigned i;
+	unsigned int i;
 	unsigned long rx_packets_total = 0, rx_bytes_total = 0;
 	unsigned long tx_packets_total = 0, tx_bytes_total = 0;
 	unsigned long tx_packets_err_total = 0;
@@ -518,42 +573,44 @@ eth_stats_get(struct rte_eth_dev *dev,
 
 	for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
 			i < dev->data->nb_rx_queues; i++) {
-		igb_stats->q_ipackets[i] = internal->rx_queue[i].rx_pkts;
-		igb_stats->q_ibytes[i] = internal->rx_queue[i].rx_bytes;
-		rx_packets_total += igb_stats->q_ipackets[i];
-		rx_bytes_total += igb_stats->q_ibytes[i];
+		stats->q_ipackets[i] = internal->rx_queue[i].rx_stat.pkts;
+		stats->q_ibytes[i] = internal->rx_queue[i].rx_stat.bytes;
+		rx_packets_total += stats->q_ipackets[i];
+		rx_bytes_total += stats->q_ibytes[i];
 	}
 
 	for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
 			i < dev->data->nb_tx_queues; i++) {
-		igb_stats->q_opackets[i] = internal->tx_queue[i].tx_pkts;
-		igb_stats->q_obytes[i] = internal->tx_queue[i].tx_bytes;
-		igb_stats->q_errors[i] = internal->tx_queue[i].err_pkts;
-		tx_packets_total += igb_stats->q_opackets[i];
-		tx_bytes_total += igb_stats->q_obytes[i];
-		tx_packets_err_total += igb_stats->q_errors[i];
+		stats->q_opackets[i] = internal->tx_queue[i].tx_stat.pkts;
+		stats->q_obytes[i] = internal->tx_queue[i].tx_stat.bytes;
+		stats->q_errors[i] = internal->tx_queue[i].tx_stat.err_pkts;
+		tx_packets_total += stats->q_opackets[i];
+		tx_bytes_total += stats->q_obytes[i];
+		tx_packets_err_total += stats->q_errors[i];
 	}
 
-	igb_stats->ipackets = rx_packets_total;
-	igb_stats->ibytes = rx_bytes_total;
-	igb_stats->opackets = tx_packets_total;
-	igb_stats->obytes = tx_bytes_total;
-	igb_stats->oerrors = tx_packets_err_total;
+	stats->ipackets = rx_packets_total;
+	stats->ibytes = rx_bytes_total;
+	stats->opackets = tx_packets_total;
+	stats->obytes = tx_bytes_total;
+	stats->oerrors = tx_packets_err_total;
 }
 
 static void
 eth_stats_reset(struct rte_eth_dev *dev)
 {
-	unsigned i;
+	unsigned int i;
 	struct pmd_internals *internal = dev->data->dev_private;
+
 	for (i = 0; i < dev->data->nb_rx_queues; i++) {
-		internal->rx_queue[i].rx_pkts = 0;
-		internal->rx_queue[i].rx_bytes = 0;
+		internal->rx_queue[i].rx_stat.pkts = 0;
+		internal->rx_queue[i].rx_stat.bytes = 0;
 	}
+
 	for (i = 0; i < dev->data->nb_tx_queues; i++) {
-		internal->tx_queue[i].tx_pkts = 0;
-		internal->tx_queue[i].tx_bytes = 0;
-		internal->tx_queue[i].err_pkts = 0;
+		internal->tx_queue[i].tx_stat.pkts = 0;
+		internal->tx_queue[i].tx_stat.bytes = 0;
+		internal->tx_queue[i].tx_stat.err_pkts = 0;
 	}
 }
 
@@ -584,9 +641,11 @@ eth_rx_queue_setup(struct rte_eth_dev *dev,
 {
 	struct pmd_internals *internals = dev->data->dev_private;
 	struct pcap_rx_queue *pcap_q = &internals->rx_queue[rx_queue_id];
+
 	pcap_q->mb_pool = mb_pool;
 	dev->data->rx_queues[rx_queue_id] = pcap_q;
 	pcap_q->in_port = dev->data->port_id;
+
 	return 0;
 }
 
@@ -597,15 +656,16 @@ eth_tx_queue_setup(struct rte_eth_dev *dev,
 		unsigned int socket_id __rte_unused,
 		const struct rte_eth_txconf *tx_conf __rte_unused)
 {
-
 	struct pmd_internals *internals = dev->data->dev_private;
+
 	dev->data->tx_queues[tx_queue_id] = &internals->tx_queue[tx_queue_id];
+
 	return 0;
 }
 
 static const struct eth_dev_ops ops = {
 	.dev_start = eth_dev_start,
-	.dev_stop =	eth_dev_stop,
+	.dev_stop = eth_dev_stop,
 	.dev_close = eth_dev_close,
 	.dev_configure = eth_dev_configure,
 	.dev_infos_get = eth_dev_info,
@@ -625,33 +685,23 @@ static const struct eth_dev_ops ops = {
 static int
 open_rx_pcap(const char *key, const char *value, void *extra_args)
 {
-	unsigned i;
+	unsigned int i;
 	const char *pcap_filename = value;
-	struct rx_pcaps *pcaps = extra_args;
+	struct pmd_devargs *rx = extra_args;
 	pcap_t *pcap = NULL;
 
-	for (i = 0; i < pcaps->num_of_rx; i++) {
+	for (i = 0; i < rx->num_of_queue; i++) {
 		if (open_single_rx_pcap(pcap_filename, &pcap) < 0)
 			return -1;
 
-		pcaps->pcaps[i] = pcap;
-		pcaps->names[i] = pcap_filename;
-		pcaps->types[i] = key;
+		rx->queue[i].pcap = pcap;
+		rx->queue[i].name = pcap_filename;
+		rx->queue[i].type = key;
 	}
 
 	return 0;
 }
 
-static int
-open_single_rx_pcap(const char *pcap_filename, pcap_t **pcap)
-{
-	if ((*pcap = pcap_open_offline(pcap_filename, errbuf)) == NULL) {
-		RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", pcap_filename, errbuf);
-		return -1;
-	}
-	return 0;
-}
-
 /*
  * Opens a pcap file for writing and stores a reference to it
  * for use it later on.
@@ -659,79 +709,39 @@ open_single_rx_pcap(const char *pcap_filename, pcap_t **pcap)
 static int
 open_tx_pcap(const char *key, const char *value, void *extra_args)
 {
-	unsigned i;
+	unsigned int i;
 	const char *pcap_filename = value;
-	struct tx_pcaps *dumpers = extra_args;
+	struct pmd_devargs *dumpers = extra_args;
 	pcap_dumper_t *dumper;
 
-	for (i = 0; i < dumpers->num_of_tx; i++) {
+	for (i = 0; i < dumpers->num_of_queue; i++) {
 		if (open_single_tx_pcap(pcap_filename, &dumper) < 0)
 			return -1;
 
-		dumpers->dumpers[i] = dumper;
-		dumpers->names[i] = pcap_filename;
-		dumpers->types[i] = key;
-	}
-
-	return 0;
-}
-
-static int
-open_single_tx_pcap(const char *pcap_filename, pcap_dumper_t **dumper)
-{
-	pcap_t *tx_pcap;
-	/*
-	 * We need to create a dummy empty pcap_t to use it
-	 * with pcap_dump_open(). We create big enough an Ethernet
-	 * pcap holder.
-	 */
-
-	if ((tx_pcap = pcap_open_dead(DLT_EN10MB, RTE_ETH_PCAP_SNAPSHOT_LEN))
-			== NULL) {
-		RTE_LOG(ERR, PMD, "Couldn't create dead pcap\n");
-		return -1;
-	}
-
-	/* The dumper is created using the previous pcap_t reference */
-	if ((*dumper = pcap_dump_open(tx_pcap, pcap_filename)) == NULL) {
-		RTE_LOG(ERR, PMD, "Couldn't open %s for writing.\n", pcap_filename);
-		return -1;
+		dumpers->queue[i].dumper = dumper;
+		dumpers->queue[i].name = pcap_filename;
+		dumpers->queue[i].type = key;
 	}
 
 	return 0;
 }
 
 /*
- * pcap_open_live wrapper function
- */
-static inline int
-open_iface_live(const char *iface, pcap_t **pcap) {
-	*pcap = pcap_open_live(iface, RTE_ETH_PCAP_SNAPLEN,
-			RTE_ETH_PCAP_PROMISC, RTE_ETH_PCAP_TIMEOUT, errbuf);
-
-	if (*pcap == NULL) {
-		RTE_LOG(ERR, PMD, "Couldn't open %s: %s\n", iface, errbuf);
-		return -1;
-	}
-	return 0;
-}
-
-/*
  * Opens an interface for reading and writing
  */
 static inline int
 open_rx_tx_iface(const char *key, const char *value, void *extra_args)
 {
 	const char *iface = value;
-	struct rx_pcaps *pcaps = extra_args;
+	struct pmd_devargs *tx = extra_args;
 	pcap_t *pcap = NULL;
 
 	if (open_single_iface(iface, &pcap) < 0)
 		return -1;
 
-	pcaps->pcaps[0] = pcap;
-	pcaps->names[0] = iface;
-	pcaps->types[0] = key;
+	tx->queue[0].pcap = pcap;
+	tx->queue[0].name = iface;
+	tx->queue[0].type = key;
 
 	return 0;
 }
@@ -742,17 +752,17 @@ open_rx_tx_iface(const char *key, const char *value, void *extra_args)
 static inline int
 open_rx_iface(const char *key, const char *value, void *extra_args)
 {
-	unsigned i;
+	unsigned int i;
 	const char *iface = value;
-	struct rx_pcaps *pcaps = extra_args;
+	struct pmd_devargs *rx = extra_args;
 	pcap_t *pcap = NULL;
 
-	for (i = 0; i < pcaps->num_of_rx; i++) {
+	for (i = 0; i < rx->num_of_queue; i++) {
 		if (open_single_iface(iface, &pcap) < 0)
 			return -1;
-		pcaps->pcaps[i] = pcap;
-		pcaps->names[i] = iface;
-		pcaps->types[i] = key;
+		rx->queue[i].pcap = pcap;
+		rx->queue[i].name = iface;
+		rx->queue[i].type = key;
 	}
 
 	return 0;
@@ -764,53 +774,33 @@ open_rx_iface(const char *key, const char *value, void *extra_args)
 static int
 open_tx_iface(const char *key, const char *value, void *extra_args)
 {
-	unsigned i;
+	unsigned int i;
 	const char *iface = value;
-	struct tx_pcaps *pcaps = extra_args;
+	struct pmd_devargs *tx = extra_args;
 	pcap_t *pcap;
 
-	for (i = 0; i < pcaps->num_of_tx; i++) {
+	for (i = 0; i < tx->num_of_queue; i++) {
 		if (open_single_iface(iface, &pcap) < 0)
 			return -1;
-		pcaps->pcaps[i] = pcap;
-		pcaps->names[i] = iface;
-		pcaps->types[i] = key;
+		tx->queue[i].pcap = pcap;
+		tx->queue[i].name = iface;
+		tx->queue[i].type = key;
 	}
 
 	return 0;
 }
 
 static int
-open_single_iface(const char *iface, pcap_t **pcap)
-{
-	if (open_iface_live(iface, pcap) < 0) {
-		RTE_LOG(ERR, PMD, "Couldn't open interface %s\n", iface);
-		return -1;
-	}
-
-	return 0;
-}
-
-static int
-rte_pmd_init_internals(const char *name, const unsigned nb_rx_queues,
-		const unsigned nb_tx_queues,
-		const unsigned numa_node,
+pmd_init_internals(const char *name, const unsigned int nb_rx_queues,
+		const unsigned int nb_tx_queues,
 		struct pmd_internals **internals,
-		struct rte_eth_dev **eth_dev,
-		struct rte_kvargs *kvlist)
+		struct rte_eth_dev **eth_dev)
 {
 	struct rte_eth_dev_data *data = NULL;
-	unsigned k_idx;
-	struct rte_kvargs_pair *pair = NULL;
+	unsigned int numa_node = rte_socket_id();
 
-	for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
-		pair = &kvlist->pairs[k_idx];
-		if (strstr(pair->key, ETH_PCAP_IFACE_ARG) != NULL)
-			break;
-	}
-
-	RTE_LOG(INFO, PMD,
-			"Creating pcap-backed ethdev on numa socket %u\n", numa_node);
+	RTE_LOG(INFO, PMD, "Creating pcap-backed ethdev on numa socket %u\n",
+		numa_node);
 
 	/* now do all data allocation - for eth_dev structure
 	 * and internal (private) data
@@ -819,33 +809,22 @@ rte_pmd_init_internals(const char *name, const unsigned nb_rx_queues,
 	if (data == NULL)
 		goto error;
 
-	*internals = rte_zmalloc_socket(name, sizeof(**internals), 0, numa_node);
+	*internals = rte_zmalloc_socket(name, sizeof(**internals), 0,
+			numa_node);
 	if (*internals == NULL)
 		goto error;
 
 	/* reserve an ethdev entry */
-	*eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
+	*eth_dev = rte_eth_dev_allocate(name);
 	if (*eth_dev == NULL)
 		goto error;
 
-	/* check length of device name */
-	if ((strlen((*eth_dev)->data->name) + 1) > sizeof(data->name))
-		goto error;
-
 	/* now put it all together
 	 * - store queue data in internals,
 	 * - store numa_node info in eth_dev
 	 * - point eth_dev_data to internals
 	 * - and point eth_dev structure to new eth_dev_data structure
 	 */
-	/* NOTE: we'll replace the data element, of originally allocated eth_dev
-	 * so the rings are local per-process */
-
-	if (pair == NULL)
-		(*internals)->if_index = 0;
-	else
-		(*internals)->if_index = if_nametoindex(pair->value);
-
 	data->dev_private = *internals;
 	data->port_id = (*eth_dev)->data->port_id;
 	snprintf(data->name, sizeof(data->name), "%s", (*eth_dev)->data->name);
@@ -853,9 +832,11 @@ rte_pmd_init_internals(const char *name, const unsigned nb_rx_queues,
 	data->nb_tx_queues = (uint16_t)nb_tx_queues;
 	data->dev_link = pmd_link;
 	data->mac_addrs = &eth_addr;
-	strncpy(data->name,
-		(*eth_dev)->data->name, strlen((*eth_dev)->data->name));
 
+	/*
+	 * NOTE: we'll replace the data element, of originally allocated
+	 * eth_dev so the rings are local per-process
+	 */
 	(*eth_dev)->data = data;
 	(*eth_dev)->dev_ops = &ops;
 	(*eth_dev)->driver = NULL;
@@ -874,13 +855,14 @@ error:
 }
 
 static int
-rte_eth_from_pcaps_common(const char *name, struct rx_pcaps *rx_queues,
-		const unsigned nb_rx_queues, struct tx_pcaps *tx_queues,
-		const unsigned nb_tx_queues, const unsigned numa_node,
-		struct rte_kvargs *kvlist, struct pmd_internals **internals,
-		struct rte_eth_dev **eth_dev)
+eth_from_pcaps_common(const char *name, struct pmd_devargs *rx_queues,
+		const unsigned int nb_rx_queues, struct pmd_devargs *tx_queues,
+		const unsigned int nb_tx_queues, struct rte_kvargs *kvlist,
+		struct pmd_internals **internals, struct rte_eth_dev **eth_dev)
 {
-	unsigned i;
+	struct rte_kvargs_pair *pair = NULL;
+	unsigned int k_idx;
+	unsigned int i;
 
 	/* do some parameter checking */
 	if (rx_queues == NULL && nb_rx_queues > 0)
@@ -888,105 +870,84 @@ rte_eth_from_pcaps_common(const char *name, struct rx_pcaps *rx_queues,
 	if (tx_queues == NULL && nb_tx_queues > 0)
 		return -1;
 
-	if (rte_pmd_init_internals(name, nb_rx_queues, nb_tx_queues, numa_node,
-			internals, eth_dev, kvlist) < 0)
+	if (pmd_init_internals(name, nb_rx_queues, nb_tx_queues, internals,
+			eth_dev) < 0)
 		return -1;
 
 	for (i = 0; i < nb_rx_queues; i++) {
-		(*internals)->rx_queue[i].pcap = rx_queues->pcaps[i];
-		snprintf((*internals)->rx_queue[i].name,
-			sizeof((*internals)->rx_queue[i].name), "%s",
-			rx_queues->names[i]);
-		snprintf((*internals)->rx_queue[i].type,
-			sizeof((*internals)->rx_queue[i].type), "%s",
-			rx_queues->types[i]);
-	}
-	for (i = 0; i < nb_tx_queues; i++) {
-		(*internals)->tx_queue[i].dumper = tx_queues->dumpers[i];
-		snprintf((*internals)->tx_queue[i].name,
-			sizeof((*internals)->tx_queue[i].name), "%s",
-			tx_queues->names[i]);
-		snprintf((*internals)->tx_queue[i].type,
-			sizeof((*internals)->tx_queue[i].type), "%s",
-			tx_queues->types[i]);
-	}
+		struct pcap_rx_queue *rx = &(*internals)->rx_queue[i];
+		struct devargs_queue *queue = &rx_queues->queue[i];
 
-	return 0;
-}
-
-static int
-rte_eth_from_pcaps_n_dumpers(const char *name,
-		struct rx_pcaps *rx_queues,
-		const unsigned nb_rx_queues,
-		struct tx_pcaps *tx_queues,
-		const unsigned nb_tx_queues,
-		const unsigned numa_node,
-		struct rte_kvargs *kvlist)
-{
-	struct pmd_internals *internals = NULL;
-	struct rte_eth_dev *eth_dev = NULL;
-	int ret;
+		rx->pcap = queue->pcap;
+		snprintf(rx->name, sizeof(rx->name), "%s", queue->name);
+		snprintf(rx->type, sizeof(rx->type), "%s", queue->type);
+	}
 
-	ret = rte_eth_from_pcaps_common(name, rx_queues, nb_rx_queues,
-			tx_queues, nb_tx_queues, numa_node, kvlist,
-			&internals, &eth_dev);
+	for (i = 0; i < nb_tx_queues; i++) {
+		struct pcap_tx_queue *tx = &(*internals)->tx_queue[i];
+		struct devargs_queue *queue = &tx_queues->queue[i];
 
-	if (ret < 0)
-		return ret;
+		tx->dumper = queue->dumper;
+		tx->pcap = queue->pcap;
+		snprintf(tx->name, sizeof(tx->name), "%s", queue->name);
+		snprintf(tx->type, sizeof(tx->type), "%s", queue->type);
+	}
 
-	/* using multiple pcaps/interfaces */
-	internals->single_iface = 0;
+	for (k_idx = 0; k_idx < kvlist->count; k_idx++) {
+		pair = &kvlist->pairs[k_idx];
+		if (strstr(pair->key, ETH_PCAP_IFACE_ARG) != NULL)
+			break;
+	}
 
-	eth_dev->rx_pkt_burst = eth_pcap_rx;
-	eth_dev->tx_pkt_burst = eth_pcap_tx_dumper;
+	if (pair == NULL)
+		(*internals)->if_index = 0;
+	else
+		(*internals)->if_index = if_nametoindex(pair->value);
 
 	return 0;
 }
 
 static int
-rte_eth_from_pcaps(const char *name,
-		struct rx_pcaps *rx_queues,
-		const unsigned nb_rx_queues,
-		struct tx_pcaps *tx_queues,
-		const unsigned nb_tx_queues,
-		const unsigned numa_node,
-		struct rte_kvargs *kvlist,
-		int single_iface)
+eth_from_pcaps(const char *name, struct pmd_devargs *rx_queues,
+		const unsigned int nb_rx_queues, struct pmd_devargs *tx_queues,
+		const unsigned int nb_tx_queues, struct rte_kvargs *kvlist,
+		int single_iface, unsigned int using_dumpers)
 {
 	struct pmd_internals *internals = NULL;
 	struct rte_eth_dev *eth_dev = NULL;
 	int ret;
 
-	ret = rte_eth_from_pcaps_common(name, rx_queues, nb_rx_queues,
-			tx_queues, nb_tx_queues, numa_node, kvlist,
-			&internals, &eth_dev);
+	ret = eth_from_pcaps_common(name, rx_queues, nb_rx_queues,
+		tx_queues, nb_tx_queues, kvlist, &internals, &eth_dev);
 
 	if (ret < 0)
 		return ret;
 
-	/* store wether we are using a single interface for rx/tx or not */
+	/* store weather we are using a single interface for rx/tx or not */
 	internals->single_iface = single_iface;
 
 	eth_dev->rx_pkt_burst = eth_pcap_rx;
-	eth_dev->tx_pkt_burst = eth_pcap_tx;
+
+	if (using_dumpers)
+		eth_dev->tx_pkt_burst = eth_pcap_tx_dumper;
+	else
+		eth_dev->tx_pkt_burst = eth_pcap_tx;
 
 	return 0;
 }
 
-
 static int
-rte_pmd_pcap_devinit(const char *name, const char *params)
+pmd_pcap_probe(const char *name, const char *params)
 {
-	unsigned numa_node, using_dumpers = 0;
-	int ret;
+	unsigned int is_rx_pcap = 0, is_tx_pcap = 0;
 	struct rte_kvargs *kvlist;
-	struct rx_pcaps pcaps = {0};
-	struct tx_pcaps dumpers = {0};
+	struct pmd_devargs pcaps = {0};
+	struct pmd_devargs dumpers = {0};
+	int single_iface = 0;
+	int ret;
 
 	RTE_LOG(INFO, PMD, "Initializing pmd_pcap for %s\n", name);
 
-	numa_node = rte_socket_id();
-
 	gettimeofday(&start_time, NULL);
 	start_cycles = rte_get_timer_cycles();
 	hz = rte_get_timer_hz();
@@ -1003,29 +964,39 @@ rte_pmd_pcap_devinit(const char *name, const char *params)
 
 		ret = rte_kvargs_process(kvlist, ETH_PCAP_IFACE_ARG,
 				&open_rx_tx_iface, &pcaps);
+
 		if (ret < 0)
 			goto free_kvlist;
-		dumpers.pcaps[0] = pcaps.pcaps[0];
-		dumpers.names[0] = pcaps.names[0];
-		dumpers.types[0] = pcaps.types[0];
-		ret = rte_eth_from_pcaps(name, &pcaps, 1, &dumpers, 1,
-				numa_node, kvlist, 1);
-		goto free_kvlist;
+
+		dumpers.queue[0] = pcaps.queue[0];
+
+		single_iface = 1;
+		pcaps.num_of_queue = 1;
+		dumpers.num_of_queue = 1;
+
+		goto create_eth;
 	}
 
 	/*
 	 * We check whether we want to open a RX stream from a real NIC or a
 	 * pcap file
 	 */
-	if ((pcaps.num_of_rx = rte_kvargs_count(kvlist, ETH_PCAP_RX_PCAP_ARG))) {
+	pcaps.num_of_queue = rte_kvargs_count(kvlist, ETH_PCAP_RX_PCAP_ARG);
+	if (pcaps.num_of_queue)
+		is_rx_pcap = 1;
+	else
+		pcaps.num_of_queue = rte_kvargs_count(kvlist,
+				ETH_PCAP_RX_IFACE_ARG);
+
+	if (pcaps.num_of_queue > RTE_PMD_PCAP_MAX_QUEUES)
+		pcaps.num_of_queue = RTE_PMD_PCAP_MAX_QUEUES;
+
+	if (is_rx_pcap)
 		ret = rte_kvargs_process(kvlist, ETH_PCAP_RX_PCAP_ARG,
 				&open_rx_pcap, &pcaps);
-	} else {
-		pcaps.num_of_rx = rte_kvargs_count(kvlist,
-				ETH_PCAP_RX_IFACE_ARG);
+	else
 		ret = rte_kvargs_process(kvlist, ETH_PCAP_RX_IFACE_ARG,
 				&open_rx_iface, &pcaps);
-	}
 
 	if (ret < 0)
 		goto free_kvlist;
@@ -1034,35 +1005,38 @@ rte_pmd_pcap_devinit(const char *name, const char *params)
 	 * We check whether we want to open a TX stream to a real NIC or a
 	 * pcap file
 	 */
-	if ((dumpers.num_of_tx = rte_kvargs_count(kvlist,
-			ETH_PCAP_TX_PCAP_ARG))) {
+	dumpers.num_of_queue = rte_kvargs_count(kvlist, ETH_PCAP_TX_PCAP_ARG);
+	if (dumpers.num_of_queue)
+		is_tx_pcap = 1;
+	else
+		dumpers.num_of_queue = rte_kvargs_count(kvlist,
+				ETH_PCAP_TX_IFACE_ARG);
+
+	if (dumpers.num_of_queue > RTE_PMD_PCAP_MAX_QUEUES)
+		dumpers.num_of_queue = RTE_PMD_PCAP_MAX_QUEUES;
+
+	if (is_tx_pcap)
 		ret = rte_kvargs_process(kvlist, ETH_PCAP_TX_PCAP_ARG,
 				&open_tx_pcap, &dumpers);
-		using_dumpers = 1;
-	} else {
-		dumpers.num_of_tx = rte_kvargs_count(kvlist,
-				ETH_PCAP_TX_IFACE_ARG);
+	else
 		ret = rte_kvargs_process(kvlist, ETH_PCAP_TX_IFACE_ARG,
 				&open_tx_iface, &dumpers);
-	}
 
 	if (ret < 0)
 		goto free_kvlist;
 
-	if (using_dumpers)
-		ret = rte_eth_from_pcaps_n_dumpers(name, &pcaps, pcaps.num_of_rx,
-				&dumpers, dumpers.num_of_tx, numa_node, kvlist);
-	else
-		ret = rte_eth_from_pcaps(name, &pcaps, pcaps.num_of_rx, &dumpers,
-			dumpers.num_of_tx, numa_node, kvlist, 0);
+create_eth:
+	ret = eth_from_pcaps(name, &pcaps, pcaps.num_of_queue, &dumpers,
+		dumpers.num_of_queue, kvlist, single_iface, is_tx_pcap);
 
 free_kvlist:
 	rte_kvargs_free(kvlist);
+
 	return ret;
 }
 
 static int
-rte_pmd_pcap_devuninit(const char *name)
+pmd_pcap_remove(const char *name)
 {
 	struct rte_eth_dev *eth_dev = NULL;
 
@@ -1085,16 +1059,16 @@ rte_pmd_pcap_devuninit(const char *name)
 	return 0;
 }
 
-static struct rte_driver pmd_pcap_drv = {
-	.type = PMD_VDEV,
-	.init = rte_pmd_pcap_devinit,
-	.uninit = rte_pmd_pcap_devuninit,
+static struct rte_vdev_driver pmd_pcap_drv = {
+	.probe = pmd_pcap_probe,
+	.remove = pmd_pcap_remove,
 };
 
-PMD_REGISTER_DRIVER(pmd_pcap_drv, eth_pcap);
-DRIVER_REGISTER_PARAM_STRING(eth_pcap,
-	"rx_pcap=<string> "
-	"tx_pcap=<string> "
-	"rx_iface=<ifc> "
-	"tx_iface=<ifc> "
-	"iface=<ifc>");
+RTE_PMD_REGISTER_VDEV(net_pcap, pmd_pcap_drv);
+RTE_PMD_REGISTER_ALIAS(net_pcap, eth_pcap);
+RTE_PMD_REGISTER_PARAM_STRING(net_pcap,
+	ETH_PCAP_RX_PCAP_ARG "=<string> "
+	ETH_PCAP_TX_PCAP_ARG "=<string> "
+	ETH_PCAP_RX_IFACE_ARG "=<ifc> "
+	ETH_PCAP_TX_IFACE_ARG "=<ifc> "
+	ETH_PCAP_IFACE_ARG "=<ifc>");