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From: <guyk@marvell.com>
To: <thomas@monjalon.net>, <orika@mellanox.com>,
	<john.mcnamara@intel.com>, <marko.kovacevic@intel.com>
Cc: <dev@dpdk.org>, <guyk@marvell.com>, <jerinj@marvell.com>,
	<smadarf@marvell.com>, <dovrat@marvell.com>
Subject: [dpdk-dev] [PATCH 1/2] examples/l3fwd-regex: add regex based l3fwd
Date: Tue, 8 Sep 2020 15:31:43 +0300
Message-ID: <20200908123144.26444-2-guyk@marvell.com> (raw)
In-Reply-To: <20200908123144.26444-1-guyk@marvell.com>

From: Guy Kaneti <guyk@marvell.com>

Add regex based l3fwd application
inline with normal l3fwd. only LPM is supported.

Signed-off-by: Guy Kaneti <guyk@marvell.com>
---
 MAINTAINERS                        |    2 +
 examples/l3fwd-regex/l3fwd.h       |  207 ++++++
 examples/l3fwd-regex/l3fwd_lpm.c   |  461 ++++++++++++
 examples/l3fwd-regex/l3fwd_lpm.h   |  100 +++
 examples/l3fwd-regex/l3fwd_regex.c |  487 ++++++++++++
 examples/l3fwd-regex/l3fwd_regex.h |   38 +
 examples/l3fwd-regex/main.c        | 1117 ++++++++++++++++++++++++++++
 examples/l3fwd-regex/meson.build   |   10 +
 examples/meson.build               |    2 +-
 9 files changed, 2423 insertions(+), 1 deletion(-)
 create mode 100644 examples/l3fwd-regex/l3fwd.h
 create mode 100644 examples/l3fwd-regex/l3fwd_lpm.c
 create mode 100644 examples/l3fwd-regex/l3fwd_lpm.h
 create mode 100644 examples/l3fwd-regex/l3fwd_regex.c
 create mode 100644 examples/l3fwd-regex/l3fwd_regex.h
 create mode 100644 examples/l3fwd-regex/main.c
 create mode 100644 examples/l3fwd-regex/meson.build

diff --git a/MAINTAINERS b/MAINTAINERS
index ed163f5d5..a73845a2d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -451,6 +451,8 @@ F: lib/librte_regexdev/
 F: app/test-regex/
 F: doc/guides/prog_guide/regexdev.rst
 F: doc/guides/regexdevs/features/default.ini
+M: Guy Kaneti <guyk@marvell.com>
+F: examples/l3fwd-regex/
 
 Eventdev API
 M: Jerin Jacob <jerinj@marvell.com>
diff --git a/examples/l3fwd-regex/l3fwd.h b/examples/l3fwd-regex/l3fwd.h
new file mode 100644
index 000000000..3fb3647bb
--- /dev/null
+++ b/examples/l3fwd-regex/l3fwd.h
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __L3_FWD_H__
+#define __L3_FWD_H__
+
+#include <rte_ethdev.h>
+#include <rte_vect.h>
+
+#define DO_RFC_1812_CHECKS
+
+#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
+
+/*
+ * Configurable number of RX/TX ring descriptors
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
+
+#define MAX_PKT_BURST     32
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
+
+#define MEMPOOL_CACHE_SIZE 256
+#define MAX_RX_QUEUE_PER_LCORE 16
+
+/*
+ * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
+ */
+#define	MAX_TX_BURST	  (MAX_PKT_BURST / 2)
+
+#define NB_SOCKETS        8
+
+/* Configure how many packets ahead to prefetch, when reading packets */
+#define PREFETCH_OFFSET	  3
+
+/* Used to mark destination port as 'invalid'. */
+#define	BAD_PORT ((uint16_t)-1)
+
+#define FWDSTEP	4
+
+/* replace first 12B of the ethernet header. */
+#define	MASK_ETH 0x3f
+
+struct mbuf_table {
+	uint16_t len;
+	struct rte_mbuf *m_table[MAX_PKT_BURST];
+};
+
+struct lcore_rx_queue {
+	uint16_t port_id;
+	uint8_t queue_id;
+} __rte_cache_aligned;
+
+struct lcore_conf {
+	uint16_t n_rx_queue;
+	struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+	uint8_t regex_dev_id;
+	uint16_t regex_qp_id;
+	uint16_t n_tx_port;
+	uint16_t tx_port_id[RTE_MAX_ETHPORTS];
+	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+	struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
+	struct rte_mbuf **pkts_burst;
+	void *ipv4_lookup_struct;
+	void *ipv6_lookup_struct;
+} __rte_cache_aligned;
+
+extern volatile bool force_quit;
+
+/* ethernet addresses of ports */
+extern uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+extern struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+/* mask of enabled ports */
+extern uint32_t enabled_port_mask;
+
+/* Used only in exact match mode. */
+extern int ipv6; /**< ipv6 is false by default. */
+extern uint32_t hash_entry_number;
+
+extern xmm_t val_eth[RTE_MAX_ETHPORTS];
+
+extern struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+
+/* Send burst of packets on an output interface */
+static inline int
+send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
+{
+	struct rte_mbuf **m_table;
+	int ret;
+	uint16_t queueid;
+
+	queueid = qconf->tx_queue_id[port];
+	m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
+
+	ret = rte_eth_tx_burst(port, queueid, m_table, n);
+	if (unlikely(ret < n)) {
+		do {
+			rte_pktmbuf_free(m_table[ret]);
+		} while (++ret < n);
+	}
+
+	return 0;
+}
+
+/* Enqueue a single packet, and send burst if queue is filled */
+static inline int
+send_single_packet(struct lcore_conf *qconf,
+		   struct rte_mbuf *m, uint16_t port)
+{
+	uint16_t len;
+
+	len = qconf->tx_mbufs[port].len;
+	qconf->tx_mbufs[port].m_table[len] = m;
+	len++;
+
+	/* enough pkts to be sent */
+	if (unlikely(len == MAX_PKT_BURST)) {
+		send_burst(qconf, MAX_PKT_BURST, port);
+		len = 0;
+	}
+
+	qconf->tx_mbufs[port].len = len;
+	return 0;
+}
+
+#ifdef DO_RFC_1812_CHECKS
+static inline int
+is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
+{
+	/* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
+	/*
+	 * 1. The packet length reported by the Link Layer must be large
+	 * enough to hold the minimum length legal IP datagram (20 bytes).
+	 */
+	if (link_len < sizeof(struct rte_ipv4_hdr))
+		return -1;
+
+	/* 2. The IP checksum must be correct. */
+	/* this is checked in H/W */
+
+	/*
+	 * 3. The IP version number must be 4. If the version number is not 4
+	 * then the packet may be another version of IP, such as IPng or
+	 * ST-II.
+	 */
+	if (((pkt->version_ihl) >> 4) != 4)
+		return -3;
+	/*
+	 * 4. The IP header length field must be large enough to hold the
+	 * minimum length legal IP datagram (20 bytes = 5 words).
+	 */
+	if ((pkt->version_ihl & 0xf) < 5)
+		return -4;
+
+	/*
+	 * 5. The IP total length field must be large enough to hold the IP
+	 * datagram header, whose length is specified in the IP header length
+	 * field.
+	 */
+	if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
+		return -5;
+
+	return 0;
+}
+#endif /* DO_RFC_1812_CHECKS */
+
+int
+init_mem(uint16_t portid, unsigned int nb_mbuf);
+
+/* Function pointers for LPM functionality. */
+void
+setup_lpm(const int socketid);
+
+void
+setup_hash(const int socketid);
+
+int
+lpm_check_ptype(int portid);
+
+uint16_t
+lpm_cb_parse_ptype(uint16_t port, uint16_t queue, struct rte_mbuf *pkts[],
+		   uint16_t nb_pkts, uint16_t max_pkts, void *user_param);
+
+int
+lpm_main_loop(__rte_unused void *dummy);
+
+int
+lpm_event_main_loop_tx_d(__rte_unused void *dummy);
+int
+lpm_event_main_loop_tx_d_burst(__rte_unused void *dummy);
+int
+lpm_event_main_loop_tx_q(__rte_unused void *dummy);
+int
+lpm_event_main_loop_tx_q_burst(__rte_unused void *dummy);
+
+
+/* Return ipv4/ipv6 fwd lookup struct for LPM*/
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid);
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid);
+
+#endif  /* __L3_FWD_H__ */
diff --git a/examples/l3fwd-regex/l3fwd_lpm.c b/examples/l3fwd-regex/l3fwd_lpm.c
new file mode 100644
index 000000000..7f80061eb
--- /dev/null
+++ b/examples/l3fwd-regex/l3fwd_lpm.c
@@ -0,0 +1,461 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdbool.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_cycles.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+
+#include "l3fwd.h"
+#include "l3fwd_regex.h"
+
+struct ipv4_l3fwd_lpm_route {
+	uint32_t ip;
+	uint8_t  depth;
+	uint8_t  if_out;
+};
+
+struct ipv6_l3fwd_lpm_route {
+	uint8_t ip[16];
+	uint8_t  depth;
+	uint8_t  if_out;
+};
+
+/* 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735). */
+static const struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
+	{RTE_IPV4(198, 18, 0, 0), 24, 0},
+	{RTE_IPV4(198, 18, 1, 0), 24, 1},
+	{RTE_IPV4(198, 18, 2, 0), 24, 2},
+	{RTE_IPV4(198, 18, 3, 0), 24, 3},
+	{RTE_IPV4(198, 18, 4, 0), 24, 4},
+	{RTE_IPV4(198, 18, 5, 0), 24, 5},
+	{RTE_IPV4(198, 18, 6, 0), 24, 6},
+	{RTE_IPV4(198, 18, 7, 0), 24, 7},
+};
+
+/* 2001:0200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180) */
+static const struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6},
+	{{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7},
+};
+
+#define IPV4_L3FWD_LPM_MAX_RULES         1024
+#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
+#define IPV6_L3FWD_LPM_MAX_RULES         1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
+
+static struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+static struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+
+static inline uint16_t
+lpm_get_ipv4_dst_port(const struct rte_ipv4_hdr *ipv4_hdr,
+		      uint16_t portid,
+		      struct rte_lpm *ipv4_l3fwd_lookup_struct)
+{
+	uint32_t dst_ip = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
+	uint32_t next_hop;
+
+	if (rte_lpm_lookup(ipv4_l3fwd_lookup_struct, dst_ip, &next_hop) == 0)
+		return next_hop;
+	else
+		return portid;
+}
+
+static inline uint16_t
+lpm_get_ipv6_dst_port(const struct rte_ipv6_hdr *ipv6_hdr,
+		      uint16_t portid,
+		      struct rte_lpm6 *ipv6_l3fwd_lookup_struct)
+{
+	const uint8_t *dst_ip = ipv6_hdr->dst_addr;
+	uint32_t next_hop;
+
+	if (rte_lpm6_lookup(ipv6_l3fwd_lookup_struct, dst_ip, &next_hop) == 0)
+		return next_hop;
+	else
+		return portid;
+}
+
+static __rte_always_inline uint16_t
+lpm_get_dst_port(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+		uint16_t portid)
+{
+	struct rte_ipv6_hdr *ipv6_hdr;
+	struct rte_ipv4_hdr *ipv4_hdr;
+	struct rte_ether_hdr *eth_hdr;
+
+	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+		ipv4_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
+
+		return lpm_get_ipv4_dst_port(ipv4_hdr, portid,
+					     qconf->ipv4_lookup_struct);
+	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+		ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
+
+		return lpm_get_ipv6_dst_port(ipv6_hdr, portid,
+					     qconf->ipv6_lookup_struct);
+	}
+
+	return portid;
+}
+
+/*
+ * lpm_get_dst_port optimized routine for packets where dst_ipv4 is already
+ * precalculated. If packet is ipv6 dst_addr is taken directly from packet
+ * header and dst_ipv4 value is not used.
+ */
+static __rte_always_inline uint16_t
+lpm_get_dst_port_with_ipv4(const struct lcore_conf *qconf, struct rte_mbuf *pkt,
+	uint32_t dst_ipv4, uint16_t portid)
+{
+	uint32_t next_hop;
+	struct rte_ipv6_hdr *ipv6_hdr;
+	struct rte_ether_hdr *eth_hdr;
+
+	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+		return (uint16_t) ((rte_lpm_lookup(qconf->ipv4_lookup_struct,
+						   dst_ipv4, &next_hop) == 0)
+				   ? next_hop : portid);
+
+	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+
+		eth_hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
+		ipv6_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
+
+		return (uint16_t) ((rte_lpm6_lookup(qconf->ipv6_lookup_struct,
+				ipv6_hdr->dst_addr, &next_hop) == 0)
+				? next_hop : portid);
+
+	}
+
+	return portid;
+}
+#undef RTE_MACHINE_CPUFLAG_NEON
+#if defined(RTE_ARCH_X86)
+#include "l3fwd_lpm_sse.h"
+#elif defined RTE_MACHINE_CPUFLAG_NEON
+#include "l3fwd_lpm_neon.h"
+#elif defined(RTE_ARCH_PPC_64)
+#include "l3fwd_lpm_altivec.h"
+#else
+#include "l3fwd_lpm.h"
+#endif
+
+/* main processing loop */
+int
+lpm_main_loop(__rte_unused void *dummy)
+{
+	struct rte_mbuf **pkts_burst;
+	unsigned int lcore_id, regex_nb_ops = 0;
+	uint64_t prev_tsc, diff_tsc, cur_tsc;
+	int i, nb_rx, nb_ops, deq_cnt;
+	uint16_t portid, regex_qp_id;
+	uint8_t queueid, regex_dev_id;
+	struct lcore_conf *qconf;
+	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+		US_PER_S * BURST_TX_DRAIN_US;
+
+	prev_tsc = 0;
+
+	lcore_id = rte_lcore_id();
+	qconf = &lcore_conf[lcore_id];
+
+	if (qconf->n_rx_queue == 0) {
+		RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
+		return 0;
+	}
+
+	RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
+
+	for (i = 0; i < qconf->n_rx_queue; i++) {
+
+		portid = qconf->rx_queue_list[i].port_id;
+		queueid = qconf->rx_queue_list[i].queue_id;
+		RTE_LOG(INFO, L3FWD,
+			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
+			lcore_id, portid, queueid);
+	}
+	regex_dev_id = qconf->regex_dev_id;
+	regex_qp_id = qconf->regex_qp_id;
+	pkts_burst = qconf->pkts_burst;
+
+	while (!force_quit) {
+
+		cur_tsc = rte_rdtsc();
+
+		/*
+		 * TX burst queue drain
+		 */
+		diff_tsc = cur_tsc - prev_tsc;
+		if (unlikely(diff_tsc > drain_tsc)) {
+
+			if (regex_nb_ops) {
+				deq_cnt = regex_dequeue_burst_ops(regex_dev_id,
+						lcore_id, regex_qp_id,
+						pkts_burst, REGEX_NB_OPS);
+				if (deq_cnt) {
+					/* only one rx queue is supported */
+					portid =
+						qconf->rx_queue_list[0].port_id;
+					l3fwd_lpm_no_opt_send_packets(deq_cnt,
+							pkts_burst,
+							portid, qconf);
+					regex_nb_ops -= deq_cnt;
+				}
+			}
+
+			for (i = 0; i < qconf->n_tx_port; ++i) {
+				portid = qconf->tx_port_id[i];
+				if (qconf->tx_mbufs[portid].len == 0)
+					continue;
+				send_burst(qconf,
+					qconf->tx_mbufs[portid].len,
+					portid);
+				qconf->tx_mbufs[portid].len = 0;
+			}
+
+			prev_tsc = cur_tsc;
+		}
+
+		/*
+		 * Read packet from RX queues
+		 */
+		for (i = 0; i < qconf->n_rx_queue; ++i) {
+			portid = qconf->rx_queue_list[i].port_id;
+			queueid = qconf->rx_queue_list[i].queue_id;
+			nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+				MAX_PKT_BURST);
+			if (nb_rx == 0)
+				continue;
+			nb_ops = regex_enqueue_burst_ops(regex_dev_id,
+					lcore_id, regex_qp_id,
+					pkts_burst, nb_rx);
+			if (unlikely(nb_ops != nb_rx))
+				printf("failed to enqueue all ops, %d/%d",
+						nb_ops, nb_rx);
+
+			regex_nb_ops += nb_ops;
+
+			deq_cnt = regex_dequeue_burst_ops(regex_dev_id,
+					lcore_id, regex_qp_id,
+					pkts_burst, REGEX_NB_OPS);
+			if (deq_cnt) {
+				l3fwd_lpm_no_opt_send_packets(deq_cnt,
+						pkts_burst,
+						portid, qconf);
+				regex_nb_ops -= deq_cnt;
+			}
+
+		}
+	}
+	regex_stats_print(lcore_id);
+
+	return 0;
+}
+
+
+void
+setup_lpm(const int socketid)
+{
+	struct rte_lpm6_config config;
+	struct rte_lpm_config config_ipv4;
+	unsigned int i;
+	int ret;
+	char s[64];
+	char abuf[INET6_ADDRSTRLEN];
+
+	/* create the LPM table */
+	config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
+	config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
+	config_ipv4.flags = 0;
+	snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+	ipv4_l3fwd_lpm_lookup_struct[socketid] =
+			rte_lpm_create(s, socketid, &config_ipv4);
+	if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd LPM table on socket %d\n",
+			socketid);
+
+	/* populate the LPM table */
+	for (i = 0; i < RTE_DIM(ipv4_l3fwd_lpm_route_array); i++) {
+		struct in_addr in;
+
+		/* skip unused ports */
+		if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
+				enabled_port_mask) == 0)
+			continue;
+
+		ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
+			ipv4_l3fwd_lpm_route_array[i].ip,
+			ipv4_l3fwd_lpm_route_array[i].depth,
+			ipv4_l3fwd_lpm_route_array[i].if_out);
+
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE,
+				"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+				i, socketid);
+		}
+
+		in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
+		printf("LPM: Adding route %s / %d (%d)\n",
+		       inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
+			ipv4_l3fwd_lpm_route_array[i].depth,
+			ipv4_l3fwd_lpm_route_array[i].if_out);
+	}
+
+	/* create the LPM6 table */
+	snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+	config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+	config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+	config.flags = 0;
+	ipv6_l3fwd_lpm_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+				&config);
+	if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
+		rte_exit(EXIT_FAILURE,
+			"Unable to create the l3fwd LPM table on socket %d\n",
+			socketid);
+
+	/* populate the LPM table */
+	for (i = 0; i < RTE_DIM(ipv6_l3fwd_lpm_route_array); i++) {
+
+		/* skip unused ports */
+		if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
+				enabled_port_mask) == 0)
+			continue;
+
+		ret = rte_lpm6_add(ipv6_l3fwd_lpm_lookup_struct[socketid],
+			ipv6_l3fwd_lpm_route_array[i].ip,
+			ipv6_l3fwd_lpm_route_array[i].depth,
+			ipv6_l3fwd_lpm_route_array[i].if_out);
+
+		if (ret < 0) {
+			rte_exit(EXIT_FAILURE,
+				"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+				i, socketid);
+		}
+
+		printf("LPM: Adding route %s / %d (%d)\n",
+		       inet_ntop(AF_INET6, ipv6_l3fwd_lpm_route_array[i].ip,
+				 abuf, sizeof(abuf)),
+		       ipv6_l3fwd_lpm_route_array[i].depth,
+		       ipv6_l3fwd_lpm_route_array[i].if_out);
+	}
+}
+
+int
+lpm_check_ptype(int portid)
+{
+	int i, ret;
+	int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
+	uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+	if (ret <= 0)
+		return 0;
+
+	uint32_t ptypes[ret];
+
+	ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+	for (i = 0; i < ret; ++i) {
+		if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+			ptype_l3_ipv4 = 1;
+		if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+			ptype_l3_ipv6 = 1;
+	}
+
+	if (ptype_l3_ipv4 == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+	if (ptype_l3_ipv6 == 0)
+		printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+	if (ptype_l3_ipv4 && ptype_l3_ipv6)
+		return 1;
+
+	return 0;
+
+}
+
+static inline void
+lpm_parse_ptype(struct rte_mbuf *m)
+{
+	struct rte_ether_hdr *eth_hdr;
+	uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+	uint16_t ether_type;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+	ether_type = eth_hdr->ether_type;
+	if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
+		packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+	else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
+		packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+	m->packet_type = packet_type;
+}
+
+uint16_t
+lpm_cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
+		   struct rte_mbuf *pkts[], uint16_t nb_pkts,
+		   uint16_t max_pkts __rte_unused,
+		   void *user_param __rte_unused)
+{
+	unsigned int i;
+
+	if (unlikely(nb_pkts == 0))
+		return nb_pkts;
+	rte_prefetch0(rte_pktmbuf_mtod(pkts[0], struct ether_hdr *));
+	for (i = 0; i < (unsigned int) (nb_pkts - 1); ++i) {
+		rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1],
+			struct ether_hdr *));
+		lpm_parse_ptype(pkts[i]);
+	}
+	lpm_parse_ptype(pkts[i]);
+
+	return nb_pkts;
+}
+
+/* Return ipv4/ipv6 lpm fwd lookup struct. */
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv4_l3fwd_lpm_lookup_struct[socketid];
+}
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
+{
+	return ipv6_l3fwd_lpm_lookup_struct[socketid];
+}
diff --git a/examples/l3fwd-regex/l3fwd_lpm.h b/examples/l3fwd-regex/l3fwd_lpm.h
new file mode 100644
index 000000000..d730d72a2
--- /dev/null
+++ b/examples/l3fwd-regex/l3fwd_lpm.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ */
+
+#ifndef __L3FWD_LPM_H__
+#define __L3FWD_LPM_H__
+
+static __rte_always_inline void
+l3fwd_lpm_simple_forward(struct rte_mbuf *m, uint16_t portid,
+		struct lcore_conf *qconf)
+{
+	struct rte_ether_hdr *eth_hdr;
+	struct rte_ipv4_hdr *ipv4_hdr;
+	uint16_t dst_port;
+
+	eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+
+	if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+		/* Handle IPv4 headers.*/
+		ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
+						sizeof(struct rte_ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Check to make sure the packet is valid (RFC1812) */
+		if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+			rte_pktmbuf_free(m);
+			return;
+		}
+#endif
+		 dst_port = lpm_get_ipv4_dst_port(ipv4_hdr, portid,
+						qconf->ipv4_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+		/* Update time to live and header checksum */
+		--(ipv4_hdr->time_to_live);
+		++(ipv4_hdr->hdr_checksum);
+#endif
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		rte_ether_addr_copy(&ports_eth_addr[dst_port],
+				&eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+		/* Handle IPv6 headers.*/
+		struct rte_ipv6_hdr *ipv6_hdr;
+
+		ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
+						sizeof(struct rte_ether_hdr));
+
+		dst_port = lpm_get_ipv6_dst_port(ipv6_hdr, portid,
+					qconf->ipv6_lookup_struct);
+
+		if (dst_port >= RTE_MAX_ETHPORTS ||
+			(enabled_port_mask & 1 << dst_port) == 0)
+			dst_port = portid;
+
+		/* dst addr */
+		*(uint64_t *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
+
+		/* src addr */
+		rte_ether_addr_copy(&ports_eth_addr[dst_port],
+				&eth_hdr->s_addr);
+
+		send_single_packet(qconf, m, dst_port);
+	} else {
+		/* Free the mbuf that contains non-IPV4/IPV6 packet */
+		rte_pktmbuf_free(m);
+	}
+}
+
+static inline void
+l3fwd_lpm_no_opt_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
+				uint16_t portid, struct lcore_conf *qconf)
+{
+	int32_t j;
+
+	/* Prefetch first packets */
+	for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
+
+	/* Prefetch and forward already prefetched packets. */
+	for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+		rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+				j + PREFETCH_OFFSET], void *));
+		l3fwd_lpm_simple_forward(pkts_burst[j], portid, qconf);
+	}
+
+	/* Forward remaining prefetched packets */
+	for (; j < nb_rx; j++)
+		l3fwd_lpm_simple_forward(pkts_burst[j], portid, qconf);
+}
+
+#endif /* __L3FWD_LPM_H__ */
diff --git a/examples/l3fwd-regex/l3fwd_regex.c b/examples/l3fwd-regex/l3fwd_regex.c
new file mode 100644
index 000000000..c24cb6d17
--- /dev/null
+++ b/examples/l3fwd-regex/l3fwd_regex.c
@@ -0,0 +1,487 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <string.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <unistd.h>
+
+#include <rte_debug.h>
+#include <rte_eal.h>
+#include <rte_malloc.h>
+#include <rte_mbuf.h>
+#include <rte_regexdev.h>
+
+#include "l3fwd.h"
+#include "l3fwd_regex.h"
+
+#define REGEX_OPS_DATA_SIZE    (0x80 +\
+			254*sizeof(struct rte_regexdev_match))
+/* The optimum size (in terms of memory usage) for a mempool
+ * is when n is a power of two minus one: n = (2^q - 1).
+ */
+#define REGEX_RULE_FILE_GROUP_ID_STR "subset_id"
+#define REGEX_RULE_FILE_GROUP_ID_LEN 9
+
+#define test_bitmap(i, val) (val & (1ull << i))
+#define REGEX_MOD_INC(i, l)   ((i) == (l - 1) ? (i) = 0 : (i)++)
+
+#define REGEX_DEBUG(fmt, args...) \
+		do {\
+			if (unlikely(conf->debug_print))\
+				printf("regex %d:"fmt, rte_lcore_id(), ##args);\
+		} while (0)
+#define REGEX_LOG(fmt, args...) printf("regex %d:"fmt, rte_lcore_id(), ##args)
+
+#define REGEX_ERR(fmt, args...) printf("error %d:"fmt, rte_lcore_id(), ##args)
+
+const char *
+regex_dev_capa_strings[] = {
+	[0]	= "compilation",
+};
+
+
+const char *
+rule_flags_strings[] = {
+	[0]	= "ALLOW_EMPTY",
+	[1]	= "ANCHORED",
+	[2]	= "CASELESS",
+	[3]	= "DOTALL",
+	[4]	= "DUPNAMES",
+	[5]	= "EXTENDED",
+	[6]	= "MATCH_UNSET_BACKREF",
+	[7]	= "MULTILINE",
+	[8]	= "NO_AUTO_CAPTURE",
+	[9]	= "UCP",
+	[10]	= "UNGREEDY",
+	[11]	= "UTF",
+	[12]	= "BACKSLASH",
+};
+
+struct regex_rule_db_entry {
+	uint8_t		type;
+	uint32_t	addr;
+	uint64_t	value;
+};
+
+struct regex_rule_db {
+	uint32_t version;
+	uint32_t revision;
+	uint32_t number_of_entries;
+	struct regex_rule_db_entry *entries;
+};
+
+struct regex_stats {
+	uint64_t matches;
+};
+
+struct regex_conf {
+	uint32_t rule_db_len;
+	char *rule_db;
+	uint8_t debug_print;
+	uint8_t nb_lcore;
+	uint8_t drop_on_match;
+};
+
+struct regex_lcore_conf {
+	uint16_t dev_id;
+	uint16_t qp_id;
+	struct rte_regex_ops **ops;
+	struct rte_regex_ops **ops_pool;
+};
+
+struct regex_lcore_params {
+	uint32_t ops_head;
+	uint32_t ops_tail;
+	uint32_t ops_avail;
+	struct regex_stats stats;
+};
+
+static struct regex_lcore_params regex_lcore_params[RTE_MAX_LCORE];
+static struct regex_lcore_conf regex_lcore_conf[RTE_MAX_LCORE];
+
+struct regex_conf conf[] = {
+		{
+				.rule_db_len = 0,
+				.rule_db = NULL,
+				.debug_print = 0,
+				.nb_lcore = 0,
+				.drop_on_match = 0,
+		}
+};
+
+int
+regex_read_rule_db_file(char *filename)
+{
+	uint32_t new_len;
+	long buf_len;
+
+	FILE *fp = fopen(filename, "rb");
+	if (fp == NULL) {
+		printf("Error opening file\n");
+		return -EIO;
+	}
+	if (fseek(fp, 0L, SEEK_END) == 0) {
+		buf_len = ftell(fp);
+		if (buf_len == -1)
+			goto error;
+		conf->rule_db = rte_malloc(NULL, sizeof(char) * (buf_len + 1),
+				0);
+		if (conf->rule_db == NULL)
+			goto error;
+
+		if (fseek(fp, 0L, SEEK_SET) != 0)
+			goto error;
+		new_len = fread(conf->rule_db, sizeof(char), buf_len, fp);
+		if (new_len != buf_len)
+			goto error;
+	} else
+		goto error;
+
+	fclose(fp);
+	conf->rule_db_len = buf_len;
+
+	return 0;
+error:
+	if (fp)
+		fclose(fp);
+	if (conf->rule_db)
+		rte_free(conf->rule_db);
+	return -EIO;
+}
+
+void
+regex_debug_enable(void)
+{
+	conf->debug_print = 1;
+}
+
+void
+regex_drop_on_match(void)
+{
+	conf->drop_on_match = 1;
+}
+
+static inline int
+regex_opspool_get_bulk(uint32_t lcore, struct rte_regex_ops **ops, uint32_t n)
+{
+	struct rte_regex_ops **ops_pool;
+	uint32_t i, ops_head;
+
+	ops_pool = regex_lcore_conf[lcore].ops_pool;
+	ops_head = regex_lcore_params[lcore].ops_head;
+
+	if (regex_lcore_params[lcore].ops_avail < n) {
+		REGEX_LOG("cannot allocate ops buffer\n");
+		return 0;
+	}
+
+	for (i = 0; i < n; i++) {
+		ops[i] = ops_pool[ops_head];
+		REGEX_MOD_INC(ops_head, REGEX_NB_OPS);
+	}
+
+	regex_lcore_params[lcore].ops_avail -= n;
+	regex_lcore_params[lcore].ops_head = ops_head;
+	return n;
+}
+
+static inline void
+regex_opspool_put_bulk(uint32_t lcore, struct rte_regex_ops **ops, uint32_t n)
+{
+	struct rte_regex_ops **ops_pool;
+	uint32_t i, ops_tail;
+
+	ops_pool = regex_lcore_conf[lcore].ops_pool;
+	ops_tail = regex_lcore_params[lcore].ops_tail;
+	for (i = 0; i < n; i++) {
+		if (ops_pool[ops_tail] != ops[i]) {
+			REGEX_ERR("ops pool out of sync\n"
+					"ops_pool[%d] = %p\n"
+					"ops[%d] = %p\n"
+					"exiting...\n", ops_tail,
+					ops_pool[ops_tail], i, ops[i]);
+			force_quit = true;
+			return;
+		}
+		ops_pool[ops_tail] = ops[i];
+		REGEX_MOD_INC(ops_tail, REGEX_NB_OPS);
+	}
+	regex_lcore_params[lcore].ops_avail += n;
+	regex_lcore_params[lcore].ops_tail = ops_tail;
+}
+
+static inline void
+regex_opspool_put(uint32_t lcore, struct rte_regex_ops *ops)
+{
+	struct rte_regex_ops **ops_pool;
+	uint32_t ops_tail;
+
+	ops_pool = regex_lcore_conf[lcore].ops_pool;
+	ops_tail = regex_lcore_params[lcore].ops_tail;
+	if (ops_pool[ops_tail] != ops) {
+		REGEX_ERR("ops pool out of sync\n"
+				"ops_pool[%d] = %p\n"
+				"ops = %p\n"
+				"exiting...\n", ops_tail,
+				ops_pool[ops_tail], ops);
+		force_quit = true;
+		return;
+	}
+	ops_pool[ops_tail] = ops;
+	REGEX_MOD_INC(ops_tail, REGEX_NB_OPS);
+	regex_lcore_params[lcore].ops_avail++;
+	regex_lcore_params[lcore].ops_tail = ops_tail;
+}
+
+static inline uint32_t
+regex_fill_ops(uint32_t lcore, struct rte_regex_ops **ops, uint16_t nb_ops,
+		struct rte_mbuf **pkts_burst)
+{
+	struct rte_mbuf *mbuf;
+	uint32_t i;
+	int ret;
+
+	ret = regex_opspool_get_bulk(lcore, ops, nb_ops);
+	if (unlikely(!ret)) {
+		REGEX_LOG("cannot allocate ops buffer\n");
+		return 0;
+	}
+
+	for (i = 0; i < nb_ops; i++) {
+
+		mbuf = pkts_burst[i];
+		if (unlikely(mbuf == NULL)) {
+			REGEX_LOG("Cannot allocate more mbuf, %d allocated\n",
+					i);
+			regex_opspool_put(lcore, ops[i]);
+			return i;
+		}
+
+		ops[i]->mbuf = mbuf;
+		ops[i]->user_ptr = mbuf;
+		ops[i]->req_flags = 0;
+		ops[i]->group_id0 = 1;
+		ops[i]->group_id1 = 0;
+		ops[i]->group_id2 = 0;
+		ops[i]->group_id3 = 0;
+	}
+
+	return i;
+}
+
+static inline void
+regex_check_match(struct rte_regex_ops **ops, uint32_t deq_cnt,
+		struct rte_mbuf **pkts_burst, uint32_t lcore)
+{
+	uint32_t i;
+
+	for (i = 0; i < deq_cnt; i++) {
+		pkts_burst[i] = ops[i]->user_ptr;
+		if (ops[i]->nb_matches != 0) {
+			REGEX_DEBUG("op %d matches %d\n",
+					i, ops[i]->nb_matches);
+			regex_lcore_params[lcore].stats.matches++;
+			/* mark packet to be dropped
+			 * in l3fwd_lpm_simple_forward() non-IP packets are
+			 * dropped.
+			 */
+			if (conf->drop_on_match)
+				pkts_burst[i]->packet_type = RTE_PTYPE_UNKNOWN;
+		}
+	}
+}
+
+uint32_t
+regex_enqueue_burst_ops(int dev_id, uint32_t lcore_id, uint16_t qp_id,
+		struct rte_mbuf **pkts_burst, uint16_t nb_pkts)
+{
+	uint32_t nb_ops, ret;
+	struct rte_regex_ops **ops = regex_lcore_conf[lcore_id].ops;
+
+	nb_ops = regex_fill_ops(lcore_id, ops, nb_pkts, pkts_burst);
+
+	if (unlikely(nb_ops < nb_pkts))
+		return 0;
+
+	REGEX_DEBUG("Enqueue single burst %d\n", nb_ops);
+	ret = rte_regexdev_enqueue_burst(dev_id, qp_id, ops, nb_ops);
+	if (unlikely(ret != nb_ops)) {
+		REGEX_ERR("rte_regexdev_enqueue_burst(): Failed, %d/%d enqueue\n",
+				ret, nb_ops);
+		return 0;
+	}
+	return nb_ops;
+}
+
+uint32_t
+regex_dequeue_burst_ops(int dev_id, uint32_t lcore_id, uint16_t qp_id,
+		struct rte_mbuf **pkts_burst, uint16_t nb_pkts)
+{
+	struct rte_regex_ops **ops = regex_lcore_conf[lcore_id].ops;
+	uint32_t deq_cnt;
+
+	deq_cnt = rte_regexdev_dequeue_burst(dev_id, qp_id,
+			ops, nb_pkts);
+	REGEX_DEBUG("dequeue burst %d\n", deq_cnt);
+	if (deq_cnt)
+		regex_check_match(ops, deq_cnt, pkts_burst, lcore_id);
+
+
+	regex_opspool_put_bulk(lcore_id, ops, deq_cnt);
+
+	return deq_cnt;
+}
+
+
+void
+regex_stats_print(uint32_t lcore)
+{
+	REGEX_LOG("Number of matches: %"PRIu64"\n",
+			regex_lcore_params[lcore].stats.matches);
+}
+
+void
+regex_dev_uninit(uint32_t dev_id)
+{
+	if (rte_regexdev_close(dev_id) < 0)
+		printf("rte_regexdev_close(dev %d): Failed\n", dev_id);
+}
+
+void
+regex_lcore_uninit(uint32_t lcore_id)
+{
+	uint32_t i;
+	if (regex_lcore_conf[lcore_id].ops_pool) {
+		for (i = 0; i < REGEX_NB_OPS; i++) {
+			if (regex_lcore_conf[lcore_id].ops_pool[i])
+				rte_free(
+					regex_lcore_conf[lcore_id].ops_pool[i]);
+		}
+		rte_free(regex_lcore_conf[lcore_id].ops_pool);
+	}
+	if (regex_lcore_conf[lcore_id].ops)
+		rte_free(regex_lcore_conf[lcore_id].ops);
+}
+
+void
+regex_mem_free(void)
+{
+	if (conf->rule_db)
+		rte_free(conf->rule_db);
+}
+
+int
+regex_dev_init(uint32_t dev_id, uint16_t nb_queue_pairs)
+{
+	struct rte_regexdev_qp_conf qp_conf;
+	struct rte_regexdev_info dev_info;
+	struct rte_regexdev_config cfg;
+	uint32_t i;
+	int ret;
+
+	printf("info: dev id is %d\n", dev_id);
+	ret = rte_regexdev_info_get(dev_id, &dev_info);
+	if (ret < 0) {
+		printf("rte_regexdev_info_get(): Failed\n");
+		return ret;
+	}
+	printf("get info:\n");
+	printf("driver_name          %s\n", dev_info.driver_name);
+	printf("max_matches          %d\n", dev_info.max_matches);
+	printf("max_queue_pairs      %d\n", dev_info.max_queue_pairs);
+	printf("max_payloadsize      %d\n", dev_info.max_payload_size);
+	printf("max_rules_per_group %d\n",
+			dev_info.max_rules_per_group);
+	printf("max_groups          %d\n", dev_info.max_groups);
+	printf("regex_dev_capa       0x%x\n", dev_info.regexdev_capa);
+	for (i = 0; i < 32; i++)
+		if (test_bitmap(i, dev_info.regexdev_capa))
+			printf("%d           %s\n", i,
+					regex_dev_capa_strings[i]);
+	printf("rule_flags           0x%lx\n", dev_info.rule_flags);
+	for (i = 0; i < 64; i++)
+		if (test_bitmap(i, dev_info.rule_flags))
+			printf("%d           %s\n", i,
+					rule_flags_strings[i]);
+
+	cfg.dev_cfg_flags = 0;
+	cfg.nb_max_matches = dev_info.max_matches;
+	cfg.nb_queue_pairs = nb_queue_pairs;
+	cfg.nb_rules_per_group = dev_info.max_rules_per_group;
+	cfg.nb_groups = dev_info.max_groups;
+	cfg.rule_db = conf->rule_db;
+	cfg.rule_db_len = conf->rule_db_len;
+	ret = rte_regexdev_configure(dev_id, &cfg);
+	if (ret < 0) {
+		printf("rte_regexdev_configure(): Failed\n");
+		return ret;
+	}
+
+	qp_conf.qp_conf_flags = 0;
+	qp_conf.nb_desc = 8192;
+	qp_conf.cb = NULL;
+	for (i = 0; i < nb_queue_pairs; i++) {
+		ret = rte_regexdev_queue_pair_setup(dev_id, i,
+				&qp_conf);
+		if (ret < 0) {
+			printf("rte_regexdev_queue_pair_setup(): Failed for queue %d\n",
+					i);
+			return ret;
+		}
+	}
+	ret = rte_regexdev_start(dev_id);
+	if (ret < 0) {
+		printf("rte_regexdev_start(): Failed\n");
+		return ret;
+	}
+	return 0;
+}
+
+int
+regex_lcore_init(uint32_t lcore_id, uint32_t dev_id, uint32_t qp_id)
+{
+	uint32_t i;
+
+	printf("%s lcore %u dev_id %d qp %d\n", __func__,
+			lcore_id, dev_id, qp_id);
+
+	regex_lcore_conf[lcore_id].qp_id = qp_id;
+	regex_lcore_conf[lcore_id].dev_id = dev_id;
+
+	memset(&regex_lcore_params[lcore_id].stats, 0,
+			sizeof(struct regex_stats));
+
+	regex_lcore_conf[lcore_id].ops = rte_malloc("regex_ops",
+			REGEX_NB_OPS*sizeof(struct rte_regex_ops *),
+			0);
+	if (regex_lcore_conf[lcore_id].ops == NULL) {
+		REGEX_ERR("cannot allocate ops memory");
+		return -1;
+	}
+
+	regex_lcore_conf[lcore_id].ops_pool = rte_malloc("regex_ops_pool",
+			REGEX_NB_OPS*sizeof(struct rte_regex_ops *),
+			0);
+	if (regex_lcore_conf[lcore_id].ops_pool == NULL) {
+		REGEX_ERR("cannot allocate ops pool memory");
+		return -1;
+	}
+	for (i = 0; i < REGEX_NB_OPS; i++) {
+		regex_lcore_conf[lcore_id].ops_pool[i] = rte_malloc("",
+				REGEX_OPS_DATA_SIZE, 0);
+		if (regex_lcore_conf[lcore_id].ops_pool[i] == NULL) {
+			REGEX_ERR("cannot allocate ops memory");
+			return -1;
+		}
+	}
+	regex_lcore_params[lcore_id].ops_head = 0;
+	regex_lcore_params[lcore_id].ops_tail = 0;
+	regex_lcore_params[lcore_id].ops_avail = REGEX_NB_OPS;
+	conf->nb_lcore++;
+
+	return 0;
+}
diff --git a/examples/l3fwd-regex/l3fwd_regex.h b/examples/l3fwd-regex/l3fwd_regex.h
new file mode 100644
index 000000000..d01a8e6e1
--- /dev/null
+++ b/examples/l3fwd-regex/l3fwd_regex.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#ifndef __L3FWD_REGEX_H__
+#define __L3FWD_REGEX_H__
+
+#define REGEX_NB_OPS (8192)
+
+int
+regex_dev_init(uint32_t dev_id, uint16_t nb_queue_pairs);
+
+int
+regex_lcore_init(uint32_t lcore_id, uint32_t dev_id, uint32_t qp_id);
+
+uint32_t
+regex_enqueue_burst_ops(int dev_id, uint32_t lcore_id, uint16_t qp_id,
+		struct rte_mbuf **pkts_burst, uint16_t nb_pkts);
+uint32_t
+regex_dequeue_burst_ops(int dev_id, uint32_t lcore_id, uint16_t qp_id,
+		struct rte_mbuf **pkts_burst, uint16_t nb_pkts);
+int
+regex_read_rule_db_file(char *filename);
+void
+regex_debug_enable(void);
+void
+regex_drop_on_match(void);
+
+void
+regex_stats_print(uint32_t lcore);
+void
+regex_dev_uninit(uint32_t dev_id);
+void
+regex_lcore_uninit(uint32_t lcore_id);
+void
+regex_mem_free(void);
+
+#endif /* __L3FWD_REGEX_H__ */
diff --git a/examples/l3fwd-regex/main.c b/examples/l3fwd-regex/main.c
new file mode 100644
index 000000000..eed3a1d32
--- /dev/null
+++ b/examples/l3fwd-regex/main.c
@@ -0,0 +1,1117 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
+
+#include <rte_common.h>
+#include <rte_vect.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_malloc.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_eal.h>
+#include <rte_launch.h>
+#include <rte_atomic.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_lcore.h>
+#include <rte_per_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_interrupts.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_string_fns.h>
+#include <rte_cpuflags.h>
+#include <rte_regexdev.h>
+
+#include <cmdline_parse.h>
+#include <cmdline_parse_etheraddr.h>
+
+#include "l3fwd.h"
+#include "l3fwd_regex.h"
+
+#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
+#define MAX_RX_QUEUE_PER_PORT 128
+
+#define MAX_LCORE_PARAMS 1024
+
+/* Static global variables used within this file. */
+static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
+static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
+
+/**< Ports set in promiscuous mode off by default. */
+static int promiscuous_on;
+
+/* Global variables. */
+
+static int numa_on = 1; /**< NUMA is enabled by default. */
+static int parse_ptype; /**< Parse packet type using rx callback, and */
+			/**< disabled by default */
+static int per_port_pool; /**< Use separate buffer pools per port; disabled */
+			  /**< by default */
+
+volatile bool force_quit;
+
+/* ethernet addresses of ports */
+uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+xmm_t val_eth[RTE_MAX_ETHPORTS];
+
+/* mask of enabled ports */
+uint32_t enabled_port_mask;
+
+struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+
+struct lcore_params {
+	uint16_t port_id;
+	uint8_t queue_id;
+	uint8_t lcore_id;
+	uint8_t regex_dev_id;
+	uint16_t regex_qp_id;
+} __rte_cache_aligned;
+
+
+static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
+static struct lcore_params lcore_params_array_default[] = {
+	{0, 0, 1, 0, 0},
+};
+
+
+static struct lcore_params *lcore_params = lcore_params_array_default;
+static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
+				sizeof(lcore_params_array_default[0]);
+
+static struct rte_eth_conf port_conf = {
+	.rxmode = {
+		.mq_mode = ETH_MQ_RX_RSS,
+		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
+		.split_hdr_size = 0,
+		.offloads = 0,
+	},
+	.rx_adv_conf = {
+		.rss_conf = {
+			.rss_key = NULL,
+			.rss_hf = ETH_RSS_IP,
+		},
+	},
+	.txmode = {
+		.mq_mode = ETH_MQ_TX_NONE,
+	},
+};
+
+static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
+static uint8_t lkp_per_socket[NB_SOCKETS];
+
+struct l3fwd_lkp_mode {
+	void  (*setup)(int socketid);
+	int   (*check_ptype)(int portid);
+	rte_rx_callback_fn cb_parse_ptype;
+	int   (*main_loop)(void *arg);
+	void* (*get_ipv4_lookup_struct)(int socketid);
+	void* (*get_ipv6_lookup_struct)(int socketid);
+};
+
+static struct l3fwd_lkp_mode l3fwd_lkp;
+
+static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
+	.setup                  = setup_lpm,
+	.check_ptype		= lpm_check_ptype,
+	.cb_parse_ptype		= lpm_cb_parse_ptype,
+	.main_loop              = lpm_main_loop,
+	.get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
+	.get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
+};
+
+/*
+ * Setup lookup methods for forwarding.
+ * Currently longest-prefix-match is supported.
+ */
+static void
+setup_l3fwd_lookup_tables(void)
+{
+	/* Setup LPM lookup functions. */
+		l3fwd_lkp = l3fwd_lpm_lkp;
+}
+
+static int
+check_lcore_params(void)
+{
+	uint8_t queue, lcore, regex_queue, regex_dev;
+	struct rte_regexdev_info dev_info;
+	uint16_t i;
+	int socketid;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		queue = lcore_params[i].queue_id;
+		if (queue >= MAX_RX_QUEUE_PER_PORT) {
+			printf("invalid queue number: %hhu\n", queue);
+			return -1;
+		}
+		lcore = lcore_params[i].lcore_id;
+		if (!rte_lcore_is_enabled(lcore)) {
+			printf("error: lcore %hhu is not enabled in lcore mask\n",
+					lcore);
+			return -1;
+		}
+		socketid = rte_lcore_to_socket_id(lcore);
+		if ((socketid != 0) && (numa_on == 0)) {
+			printf("warning: lcore %hhu is on socket %d with numa off\n",
+				lcore, socketid);
+		}
+		regex_dev = lcore_params[i].regex_dev_id;
+		if ((rte_regexdev_is_valid_dev(regex_dev) == 0)) {
+			printf("invalid regex dev number: %hhu\n", regex_dev);
+			return -1;
+		}
+		regex_queue =  lcore_params[i].regex_qp_id;
+		rte_regexdev_info_get(regex_dev, &dev_info);
+		if (regex_queue >= dev_info.max_queue_pairs) {
+			printf("invalid regex queue number: %hhu\n",
+					regex_queue);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static int
+check_port_config(void)
+{
+	uint16_t portid;
+	uint16_t i;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		portid = lcore_params[i].port_id;
+		if ((enabled_port_mask & (1 << portid)) == 0) {
+			printf("port %u is not enabled in port mask\n", portid);
+			return -1;
+		}
+		if (!rte_eth_dev_is_valid_port(portid)) {
+			printf("port %u is not present on the board\n", portid);
+			return -1;
+		}
+	}
+	return 0;
+}
+
+static uint8_t
+get_port_n_rx_queues(const uint16_t port)
+{
+	int queue = -1;
+	uint16_t i;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		if (lcore_params[i].port_id == port) {
+			if (lcore_params[i].queue_id == queue+1)
+				queue = lcore_params[i].queue_id;
+			else
+				rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
+						" in sequence and must start with 0\n",
+						lcore_params[i].port_id);
+		}
+	}
+	return (uint8_t)(++queue);
+}
+
+static uint8_t
+get_regex_dev_n_queues(const uint8_t dev_id)
+{
+	int queue = -1;
+	uint16_t i;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		if (lcore_params[i].regex_dev_id == dev_id) {
+			if (lcore_params[i].regex_qp_id == queue+1)
+				queue = lcore_params[i].regex_qp_id;
+			else
+				rte_exit(EXIT_FAILURE, "regex queue ids of a Regex device %d must be"
+						" in sequence and must start with 0\n",
+						lcore_params[i].regex_dev_id);
+		}
+	}
+	return (uint8_t)(++queue);
+}
+
+static int
+init_lcore_rx_queues(void)
+{
+	uint16_t i, nb_rx_queue;
+	uint8_t lcore;
+
+	for (i = 0; i < nb_lcore_params; ++i) {
+		lcore = lcore_params[i].lcore_id;
+		nb_rx_queue = lcore_conf[lcore].n_rx_queue;
+		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
+			printf("error: too many queues (%u) for lcore: %u\n",
+				(uint16_t)nb_rx_queue + 1, (uint8_t)lcore);
+			return -1;
+		}
+		lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
+				lcore_params[i].port_id;
+		lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
+				lcore_params[i].queue_id;
+		lcore_conf[lcore].regex_dev_id = lcore_params[i].regex_dev_id;
+		lcore_conf[lcore].regex_qp_id = lcore_params[i].regex_qp_id;
+		lcore_conf[lcore].n_rx_queue++;
+	}
+	return 0;
+}
+
+/* display usage */
+static void
+print_usage(const char *prgname)
+{
+	fprintf(stderr, "%s [EAL options] --"
+		" -p PORTMASK"
+		" [-P]"
+		" --config (port,queue,lcore,regexdev,regex q)[,(port,queue,lcore,regexdev,regex q)]"
+		" --regex-rule-db-file FILENAME"
+		" [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
+		" [--enable-jumbo [--max-pkt-len PKTLEN]]"
+		" [--no-numa]"
+		" [--parse-ptype]"
+		" [--per-port-pool]"
+		" [--regex-drop]"
+		" [--regex-debug]\n\n"
+
+		"  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
+		"  -P : Enable promiscuous mode\n"
+		"  --config (port,queue,lcore,regexdev,regex q): Rx queue configuration\n"
+		"  --regex-rule-db-file FILENAME prebuilt rule database for regex device.\n"
+		"  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
+		"  --enable-jumbo: Enable jumbo frames\n"
+		"  --max-pkt-len: Under the premise of enabling jumbo,\n"
+		"                 maximum packet length in decimal (64-9600)\n"
+		"  --no-numa: Disable numa awareness\n"
+		"  --parse-ptype: Set to use software to analyze packet type\n"
+		"  --per-port-pool: Use separate buffer pool per port\n"
+		"  --regex-drop: Enable regex drop on match\n"
+		"  --regex-debug: Enable regex debug printing\n",
+		prgname);
+}
+
+static int
+parse_max_pkt_len(const char *pktlen)
+{
+	char *end = NULL;
+	unsigned long len;
+
+	/* parse decimal string */
+	len = strtoul(pktlen, &end, 10);
+	if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	if (len == 0)
+		return -1;
+
+	return len;
+}
+
+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 -1;
+
+	if (pm == 0)
+		return -1;
+
+	return pm;
+}
+
+static int
+parse_config(const char *q_arg)
+{
+	char s[256];
+	const char *p, *p0 = q_arg;
+	char *end;
+	enum fieldnames {
+		FLD_PORT = 0,
+		FLD_QUEUE,
+		FLD_LCORE,
+		FLD_REGEX_DEV,
+		FLD_REGEX_QUEUE,
+		_NUM_FLD
+	};
+	unsigned long int_fld[_NUM_FLD];
+	char *str_fld[_NUM_FLD];
+	int i;
+	unsigned int size;
+
+	nb_lcore_params = 0;
+
+	while ((p = strchr(p0, '(')) != NULL) {
+		++p;
+		p0 = strchr(p, ')');
+		if (p0 == NULL)
+			return -1;
+
+		size = p0 - p;
+		if (size >= sizeof(s))
+			return -1;
+
+		snprintf(s, sizeof(s), "%.*s", size, p);
+		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
+				_NUM_FLD)
+			return -1;
+		for (i = 0; i < _NUM_FLD; i++) {
+			errno = 0;
+			int_fld[i] = strtoul(str_fld[i], &end, 0);
+			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
+				return -1;
+		}
+		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
+			printf("exceeded max number of lcore params: %hu\n",
+				nb_lcore_params);
+			return -1;
+		}
+		lcore_params_array[nb_lcore_params].port_id =
+			(uint8_t)int_fld[FLD_PORT];
+		lcore_params_array[nb_lcore_params].queue_id =
+			(uint8_t)int_fld[FLD_QUEUE];
+		lcore_params_array[nb_lcore_params].lcore_id =
+			(uint8_t)int_fld[FLD_LCORE];
+		lcore_params_array[nb_lcore_params].regex_dev_id =
+				(uint8_t)int_fld[FLD_REGEX_DEV];
+		lcore_params_array[nb_lcore_params].regex_qp_id =
+				(uint8_t)int_fld[FLD_REGEX_QUEUE];
+		++nb_lcore_params;
+	}
+	lcore_params = lcore_params_array;
+	return 0;
+}
+
+static void
+parse_eth_dest(const char *optarg)
+{
+	uint16_t portid;
+	char *port_end;
+	uint8_t c, *dest, peer_addr[6];
+
+	errno = 0;
+	portid = strtoul(optarg, &port_end, 10);
+	if (errno != 0 || port_end == optarg || *port_end++ != ',')
+		rte_exit(EXIT_FAILURE,
+		"Invalid eth-dest: %s", optarg);
+	if (portid >= RTE_MAX_ETHPORTS)
+		rte_exit(EXIT_FAILURE,
+		"eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
+		portid, RTE_MAX_ETHPORTS);
+
+	if (cmdline_parse_etheraddr(NULL, port_end,
+		&peer_addr, sizeof(peer_addr)) < 0)
+		rte_exit(EXIT_FAILURE,
+		"Invalid ethernet address: %s\n",
+		port_end);
+	dest = (uint8_t *)&dest_eth_addr[portid];
+	for (c = 0; c < 6; c++)
+		dest[c] = peer_addr[c];
+	*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+}
+
+#define MAX_JUMBO_PKT_LEN  9600
+
+static const char short_options[] =
+	"p:"  /* portmask */
+	"P"   /* promiscuous */
+	;
+
+#define CMD_LINE_OPT_CONFIG "config"
+#define CMD_LINE_OPT_ETH_DEST "eth-dest"
+#define CMD_LINE_OPT_NO_NUMA "no-numa"
+#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
+#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
+#define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
+#define CMD_LINE_OPT_REGEX_RULE_DB_FILE "regex-rule-db-file"
+#define CMD_LINE_OPT_REGEX_RULE_FILE "regex-rule-file"
+#define CMD_LINE_OPT_REGEX_DEBUG "regex-debug"
+#define CMD_LINE_OPT_REGEX_DROP "regex-drop"
+
+enum {
+	/* long options mapped to a short option
+	 */
+
+	/* first long only option value must be >= 256, so that we won't
+	 * conflict with short options
+	 */
+	CMD_LINE_OPT_MIN_NUM = 256,
+	CMD_LINE_OPT_CONFIG_NUM,
+	CMD_LINE_OPT_ETH_DEST_NUM,
+	CMD_LINE_OPT_NO_NUMA_NUM,
+	CMD_LINE_OPT_ENABLE_JUMBO_NUM,
+	CMD_LINE_OPT_PARSE_PTYPE_NUM,
+	CMD_LINE_OPT_PARSE_PER_PORT_POOL,
+	CMD_LINE_OPT_REGEX_RULE_DB_FILE_NUM,
+	CMD_LINE_OPT_REGEX_DEBUG_NUM,
+	CMD_LINE_OPT_REGEX_DROP_NUM
+};
+
+static const struct option lgopts[] = {
+	{CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
+	{CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
+	{CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
+	{CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
+	{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
+	{CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
+	{CMD_LINE_OPT_REGEX_RULE_DB_FILE, 1, 0,
+			CMD_LINE_OPT_REGEX_RULE_DB_FILE_NUM},
+	{CMD_LINE_OPT_REGEX_DEBUG, 0, 0, CMD_LINE_OPT_REGEX_DEBUG_NUM},
+	{CMD_LINE_OPT_REGEX_DROP, 0, 0, CMD_LINE_OPT_REGEX_DROP_NUM},
+	{NULL, 0, 0, 0}
+};
+
+/*
+ * This expression is used to calculate the number of mbufs needed
+ * depending on user input, taking  into account memory for rx and
+ * tx hardware rings, cache per lcore and mtable per port per lcore.
+ * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
+ * value of 8192
+ */
+#define NB_MBUF(nports) RTE_MAX(	\
+	(nports*nb_rx_queue*nb_rxd +		\
+	nports*nb_lcores*MAX_PKT_BURST +	\
+	nports*n_tx_queue*nb_txd +		\
+	nb_lcores*MEMPOOL_CACHE_SIZE),		\
+	8192U)
+
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+	int opt, ret;
+	char **argvopt;
+	int option_index;
+	char *prgname = argv[0];
+	argvopt = argv;
+
+	/* Error or normal output strings. */
+	while ((opt = getopt_long(argc, argvopt, short_options,
+				lgopts, &option_index)) != EOF) {
+
+		switch (opt) {
+		/* portmask */
+		case 'p':
+			enabled_port_mask = parse_portmask(optarg);
+			if (enabled_port_mask == 0) {
+				fprintf(stderr, "Invalid portmask\n");
+				print_usage(prgname);
+				return -1;
+			}
+			break;
+
+		case 'P':
+			promiscuous_on = 1;
+			break;
+
+		/* long options */
+		case CMD_LINE_OPT_CONFIG_NUM:
+			ret = parse_config(optarg);
+			if (ret) {
+				fprintf(stderr, "Invalid config\n");
+				print_usage(prgname);
+				return -1;
+			}
+			break;
+
+		case CMD_LINE_OPT_ETH_DEST_NUM:
+			parse_eth_dest(optarg);
+			break;
+
+		case CMD_LINE_OPT_NO_NUMA_NUM:
+			numa_on = 0;
+			break;
+
+
+		case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
+			const struct option lenopts = {
+				"max-pkt-len", required_argument, 0, 0
+			};
+
+			port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+			port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
+
+			/*
+			 * if no max-pkt-len set, use the default
+			 * value RTE_ETHER_MAX_LEN.
+			 */
+			if (getopt_long(argc, argvopt, "",
+					&lenopts, &option_index) == 0) {
+				ret = parse_max_pkt_len(optarg);
+				if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
+					fprintf(stderr,
+						"invalid maximum packet length\n");
+					print_usage(prgname);
+					return -1;
+				}
+				port_conf.rxmode.max_rx_pkt_len = ret;
+			}
+			break;
+		}
+
+		case CMD_LINE_OPT_PARSE_PTYPE_NUM:
+			printf("soft parse-ptype is enabled\n");
+			parse_ptype = 1;
+			break;
+
+		case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
+			printf("per port buffer pool is enabled\n");
+			per_port_pool = 1;
+			break;
+		case CMD_LINE_OPT_REGEX_RULE_DB_FILE_NUM:
+			ret = regex_read_rule_db_file(optarg);
+			if (ret) {
+				fprintf(stderr, "%s", rte_strerror(ret));
+				return -1;
+			}
+			break;
+		case CMD_LINE_OPT_REGEX_DEBUG_NUM:
+			regex_debug_enable();
+			break;
+		case CMD_LINE_OPT_REGEX_DROP_NUM:
+			regex_drop_on_match();
+			break;
+		default:
+			print_usage(prgname);
+			return -1;
+		}
+	}
+
+	if (optind >= 0)
+		argv[optind-1] = prgname;
+
+	ret = optind-1;
+	optind = 1; /* reset getopt lib */
+	return ret;
+}
+
+static void
+print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
+{
+	char buf[RTE_ETHER_ADDR_FMT_SIZE];
+	rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
+	printf("%s%s", name, buf);
+}
+
+int
+init_mem(uint16_t portid, unsigned int nb_mbuf)
+{
+	struct lcore_conf *qconf;
+	unsigned int lcore_id;
+	int socketid;
+	char s[64];
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+
+		if (numa_on)
+			socketid = rte_lcore_to_socket_id(lcore_id);
+		else
+			socketid = 0;
+
+		if (socketid >= NB_SOCKETS) {
+			rte_exit(EXIT_FAILURE,
+				"Socket %d of lcore %u is out of range %d\n",
+				socketid, lcore_id, NB_SOCKETS);
+		}
+
+		if (pktmbuf_pool[portid][socketid] == NULL) {
+			snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
+				 portid, socketid);
+			pktmbuf_pool[portid][socketid] =
+				rte_pktmbuf_pool_create(s, nb_mbuf,
+					MEMPOOL_CACHE_SIZE, 0,
+					RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
+			if (pktmbuf_pool[portid][socketid] == NULL)
+				rte_exit(EXIT_FAILURE,
+					"Cannot init mbuf pool on socket %d\n",
+					socketid);
+			else
+				printf("Allocated mbuf pool on socket %d\n",
+					socketid);
+
+			/* Setup either LPM or EM(f.e Hash). But, only once per
+			 * available socket.
+			 */
+			if (!lkp_per_socket[socketid]) {
+				l3fwd_lkp.setup(socketid);
+				lkp_per_socket[socketid] = 1;
+			}
+		}
+		qconf = &lcore_conf[lcore_id];
+		qconf->ipv4_lookup_struct =
+			l3fwd_lkp.get_ipv4_lookup_struct(socketid);
+		qconf->ipv6_lookup_struct =
+			l3fwd_lkp.get_ipv6_lookup_struct(socketid);
+		qconf->pkts_burst = rte_malloc("pkts_burst",
+				REGEX_NB_OPS*sizeof(struct rte_mbuf *),
+				0);
+		if (qconf->pkts_burst == NULL)
+			rte_exit(EXIT_FAILURE,
+				"Cannot allocate memory for pkts_burst\n");
+	}
+	return 0;
+}
+
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+	uint16_t portid;
+	uint8_t count, all_ports_up, print_flag = 0;
+	struct rte_eth_link link;
+	int ret;
+
+	printf("\nChecking link status");
+	fflush(stdout);
+	for (count = 0; count <= MAX_CHECK_TIME; count++) {
+		if (force_quit)
+			return;
+		all_ports_up = 1;
+		RTE_ETH_FOREACH_DEV(portid) {
+			if (force_quit)
+				return;
+			if ((port_mask & (1 << portid)) == 0)
+				continue;
+			memset(&link, 0, sizeof(link));
+			ret = rte_eth_link_get_nowait(portid, &link);
+			if (ret < 0) {
+				all_ports_up = 0;
+				if (print_flag == 1)
+					printf("Port %u link get failed: %s\n",
+						portid, rte_strerror(-ret));
+				continue;
+			}
+			/* print link status if flag set */
+			if (print_flag == 1) {
+				if (link.link_status)
+					printf(
+					"Port%d Link Up. Speed %u Mbps -%s\n",
+						portid, link.link_speed,
+				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+					("full-duplex") : ("half-duplex"));
+				else
+					printf("Port %d Link Down\n", portid);
+				continue;
+			}
+			/* clear all_ports_up flag if any link down */
+			if (link.link_status == ETH_LINK_DOWN) {
+				all_ports_up = 0;
+				break;
+			}
+		}
+		/* after finally printing all link status, get out */
+		if (print_flag == 1)
+			break;
+
+		if (all_ports_up == 0) {
+			printf(".");
+			fflush(stdout);
+			rte_delay_ms(CHECK_INTERVAL);
+		}
+
+		/* set the print_flag if all ports up or timeout */
+		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+			print_flag = 1;
+			printf("done\n");
+		}
+	}
+}
+
+static void
+signal_handler(int signum)
+{
+	if (signum == SIGINT || signum == SIGTERM) {
+		printf("\n\nSignal %d received, preparing to exit...\n",
+				signum);
+		force_quit = true;
+	}
+}
+
+static int
+prepare_ptype_parser(uint16_t portid, uint16_t queueid)
+{
+	if (parse_ptype) {
+		printf("Port %d: softly parse packet type info\n", portid);
+		if (rte_eth_add_rx_callback(portid, queueid,
+					    l3fwd_lkp.cb_parse_ptype,
+					    NULL))
+			return 1;
+
+		printf("Failed to add rx callback: port=%d\n", portid);
+		return 0;
+	}
+
+	if (l3fwd_lkp.check_ptype(portid))
+		return 1;
+
+	printf("port %d cannot parse packet type, please add --%s\n",
+	       portid, CMD_LINE_OPT_PARSE_PTYPE);
+	return 0;
+}
+
+static void
+l3fwd_poll_resource_setup(void)
+{
+	uint8_t nb_rx_queue, queue, socketid;
+	struct rte_eth_dev_info dev_info;
+	uint32_t n_tx_queue, nb_lcores, nb_regex_queue;
+	struct rte_eth_txconf *txconf;
+	struct lcore_conf *qconf;
+	uint16_t queueid, portid;
+	unsigned int nb_ports;
+	unsigned int lcore_id, i;
+	int ret;
+
+	if (check_lcore_params() < 0)
+		rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
+
+	ret = init_lcore_rx_queues();
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
+
+	nb_ports = rte_eth_dev_count_avail();
+
+	if (check_port_config() < 0)
+		rte_exit(EXIT_FAILURE, "check_port_config failed\n");
+
+	nb_lcores = rte_lcore_count();
+
+	/* initialize all ports */
+	RTE_ETH_FOREACH_DEV(portid) {
+		struct rte_eth_conf local_port_conf = port_conf;
+
+		/* skip ports that are not enabled */
+		if ((enabled_port_mask & (1 << portid)) == 0) {
+			printf("\nSkipping disabled port %d\n", portid);
+			continue;
+		}
+
+		/* init port */
+		printf("Initializing port %d ... ", portid);
+		fflush(stdout);
+
+		nb_rx_queue = get_port_n_rx_queues(portid);
+		if (nb_rx_queue > 1)
+			rte_exit(EXIT_FAILURE,
+				"only one rx queue per (port %u) is supported (queue num %u)\n",
+				portid, nb_rx_queue);
+		n_tx_queue = nb_lcores;
+		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
+			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
+		printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
+			nb_rx_queue, (uint32_t)n_tx_queue);
+
+		ret = rte_eth_dev_info_get(portid, &dev_info);
+		if (ret != 0)
+			rte_exit(EXIT_FAILURE,
+				"Error during getting device (port %u) info: %s\n",
+				portid, strerror(-ret));
+
+		if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+			local_port_conf.txmode.offloads |=
+				DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+		local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+			dev_info.flow_type_rss_offloads;
+		if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+				port_conf.rx_adv_conf.rss_conf.rss_hf) {
+			printf("Port %u modified RSS hash function based on hardware support,"
+				"requested:%#"PRIx64" configured:%#"PRIx64"\n",
+				portid,
+				port_conf.rx_adv_conf.rss_conf.rss_hf,
+				local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+		}
+
+		ret = rte_eth_dev_configure(portid, nb_rx_queue,
+					(uint16_t)n_tx_queue, &local_port_conf);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				"Cannot configure device: err=%d, port=%d\n",
+				ret, portid);
+
+		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+						       &nb_txd);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				 "Cannot adjust number of descriptors: err=%d, "
+				 "port=%d\n", ret, portid);
+
+		ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				 "Cannot get MAC address: err=%d, port=%d\n",
+				 ret, portid);
+
+		print_ethaddr(" Address:", &ports_eth_addr[portid]);
+		printf(", ");
+		print_ethaddr("Destination:",
+			(const struct rte_ether_addr *)&dest_eth_addr[portid]);
+		printf(", ");
+
+		/*
+		 * prepare src MACs for each port.
+		 */
+		rte_ether_addr_copy(&ports_eth_addr[portid],
+			(struct rte_ether_addr *)(val_eth + portid) + 1);
+
+		/* init memory */
+		if (!per_port_pool) {
+			/* portid = 0; this is *not* signifying the first port,
+			 * rather, it signifies that portid is ignored.
+			 */
+			ret = init_mem(0, NB_MBUF(nb_ports));
+		} else {
+			ret = init_mem(portid, NB_MBUF(1));
+		}
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE, "init_mem failed\n");
+
+		/* init one TX queue per couple (lcore,port) */
+		queueid = 0;
+		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+			if (rte_lcore_is_enabled(lcore_id) == 0)
+				continue;
+
+			if (numa_on)
+				socketid =
+				(uint8_t)rte_lcore_to_socket_id(lcore_id);
+			else
+				socketid = 0;
+
+			printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
+			fflush(stdout);
+
+			txconf = &dev_info.default_txconf;
+			txconf->offloads = local_port_conf.txmode.offloads;
+			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
+						     socketid, txconf);
+			if (ret < 0)
+				rte_exit(EXIT_FAILURE,
+					"rte_eth_tx_queue_setup: err=%d, "
+					"port=%d\n", ret, portid);
+
+			qconf = &lcore_conf[lcore_id];
+			qconf->tx_queue_id[portid] = queueid;
+			queueid++;
+
+			qconf->tx_port_id[qconf->n_tx_port] = portid;
+			qconf->n_tx_port++;
+		}
+		printf("\n");
+	}
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+		qconf = &lcore_conf[lcore_id];
+		printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
+		fflush(stdout);
+		/* init RX queues */
+		for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
+			struct rte_eth_rxconf rxq_conf;
+
+			portid = qconf->rx_queue_list[queue].port_id;
+			queueid = qconf->rx_queue_list[queue].queue_id;
+
+			if (numa_on)
+				socketid =
+				(uint8_t)rte_lcore_to_socket_id(lcore_id);
+			else
+				socketid = 0;
+
+			printf("rxq=%d,%d,%d ", portid, queueid, socketid);
+			fflush(stdout);
+
+			ret = rte_eth_dev_info_get(portid, &dev_info);
+			if (ret != 0)
+				rte_exit(EXIT_FAILURE,
+					"Error during getting device (port %u) info: %s\n",
+					portid, strerror(-ret));
+
+			rxq_conf = dev_info.default_rxconf;
+			rxq_conf.offloads = port_conf.rxmode.offloads;
+			if (!per_port_pool)
+				ret = rte_eth_rx_queue_setup(portid, queueid,
+						nb_rxd, socketid,
+						&rxq_conf,
+						pktmbuf_pool[0][socketid]);
+			else
+				ret = rte_eth_rx_queue_setup(portid, queueid,
+						nb_rxd, socketid,
+						&rxq_conf,
+						pktmbuf_pool[portid][socketid]);
+			if (ret < 0)
+				rte_exit(EXIT_FAILURE,
+				"rte_eth_rx_queue_setup: err=%d, port=%d\n",
+				ret, portid);
+		}
+	}
+	for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
+		if (rte_regexdev_is_valid_dev(i) == 0)
+			continue;
+		nb_regex_queue = get_regex_dev_n_queues(i);
+		if (nb_regex_queue) {
+			ret = regex_dev_init(i, nb_regex_queue);
+			if (ret != 0)
+				rte_exit(EXIT_FAILURE,
+					"regex_dev_init: err=%s\n",
+					rte_strerror(-ret));
+		}
+	}
+}
+
+int
+main(int argc, char **argv)
+{
+	struct lcore_conf *qconf;
+	uint16_t queueid, portid;
+	unsigned int lcore_id, i;
+	uint8_t queue, regex_nb_q;
+	int ret;
+
+	/* init EAL */
+	ret = rte_eal_init(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
+	argc -= ret;
+	argv += ret;
+
+	force_quit = false;
+	signal(SIGINT, signal_handler);
+	signal(SIGTERM, signal_handler);
+
+	/* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
+	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+		dest_eth_addr[portid] =
+			RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
+		*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+	}
+
+	/* parse application arguments (after the EAL ones) */
+	ret = parse_args(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
+
+	/* Setup function pointers for lookup method. */
+	setup_l3fwd_lookup_tables();
+
+	l3fwd_poll_resource_setup();
+
+	/* start ports */
+	RTE_ETH_FOREACH_DEV(portid) {
+		if ((enabled_port_mask & (1 << portid)) == 0)
+			continue;
+
+		/* Start device */
+		ret = rte_eth_dev_start(portid);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				"rte_eth_dev_start: err=%d, port=%d\n",
+				ret, portid);
+
+		/*
+		 * If enabled, put device in promiscuous mode.
+		 * This allows IO forwarding mode to forward packets
+		 * to itself through 2 cross-connected  ports of the
+		 * target machine.
+		 */
+		if (promiscuous_on) {
+			ret = rte_eth_promiscuous_enable(portid);
+			if (ret != 0)
+				rte_exit(EXIT_FAILURE,
+					"rte_eth_promiscuous_enable: err=%s, port=%u\n",
+					rte_strerror(-ret), portid);
+		}
+	}
+
+	printf("\n");
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+		qconf = &lcore_conf[lcore_id];
+		for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
+			portid = qconf->rx_queue_list[queue].port_id;
+			queueid = qconf->rx_queue_list[queue].queue_id;
+			if (prepare_ptype_parser(portid, queueid) == 0)
+				rte_exit(EXIT_FAILURE, "ptype check fails\n");
+		}
+
+		ret = regex_lcore_init(lcore_id, qconf->regex_dev_id,
+				qconf->regex_qp_id);
+		if (ret != 0)
+			rte_exit(EXIT_FAILURE,
+				"regex_lcore_init: err=%s, dev_id=%u, queueid=%u\n",
+				rte_strerror(-ret), qconf->regex_dev_id,
+				qconf->regex_qp_id);
+	}
+
+	check_all_ports_link_status(enabled_port_mask);
+
+	ret = 0;
+	/* launch per-lcore init on every lcore */
+	rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
+
+	rte_eal_mp_wait_lcore();
+
+	RTE_ETH_FOREACH_DEV(portid) {
+		if ((enabled_port_mask & (1 << portid)) == 0)
+			continue;
+		printf("Closing port %d...", portid);
+		rte_eth_dev_stop(portid);
+		rte_eth_dev_close(portid);
+		printf(" Done\n");
+	}
+
+	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+		if (rte_lcore_is_enabled(lcore_id) == 0)
+			continue;
+		regex_lcore_uninit(lcore_id);
+		rte_free(lcore_conf[lcore_id].pkts_burst);
+	}
+
+	for (i = 0; i < RTE_MAX_REGEXDEV_DEVS; i++) {
+		if (rte_regexdev_is_valid_dev(i) == 0)
+			continue;
+		regex_nb_q = get_regex_dev_n_queues(i);
+		if (regex_nb_q) {
+			printf("Closing regegdev %d...", i);
+			regex_dev_uninit(i);
+			printf(" Done\n");
+		}
+	}
+	regex_mem_free();
+
+	printf("Bye...\n");
+
+	return ret;
+}
diff --git a/examples/l3fwd-regex/meson.build b/examples/l3fwd-regex/meson.build
new file mode 100644
index 000000000..a5f602510
--- /dev/null
+++ b/examples/l3fwd-regex/meson.build
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2020 Marvell International Ltd.
+
+# meson file, for building this example as part of a main DPDK build.
+
+allow_experimental_apis = true
+deps += ['lpm', 'regexdev']
+sources = files(
+	'l3fwd_lpm.c', 'l3fwd_regex.c', 'main.c'
+)
diff --git a/examples/meson.build b/examples/meson.build
index eb13e8210..b61acd4bc 100644
--- a/examples/meson.build
+++ b/examples/meson.build
@@ -23,7 +23,7 @@ all_examples = [
 	'l2fwd', 'l2fwd-cat', 'l2fwd-event',
 	'l2fwd-crypto', 'l2fwd-jobstats',
 	'l2fwd-keepalive', 'l3fwd',
-	'l3fwd-acl', 'l3fwd-power', 'l3fwd-graph',
+	'l3fwd-acl', 'l3fwd-power', 'l3fwd-graph', 'l3fwd-regex',
 	'link_status_interrupt',
 	'multi_process/client_server_mp/mp_client',
 	'multi_process/client_server_mp/mp_server',
-- 
2.28.0


  reply	other threads:[~2020-09-08 12:33 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-08 12:31 [dpdk-dev] [PATCH 0/2] Add example l3fwd-regex guyk
2020-09-08 12:31 ` guyk [this message]
2020-10-14  8:47   ` [dpdk-dev] [PATCH 1/2] examples/l3fwd-regex: add regex based l3fwd Thomas Monjalon
2020-10-18 11:53     ` [dpdk-dev] [EXT] " Guy Kaneti
2020-10-18 13:32       ` Thomas Monjalon
2020-09-08 12:31 ` [dpdk-dev] [PATCH 2/2] doc: add l3fwd-regex application user guide guyk
2020-09-09 12:08   ` [dpdk-dev] [PATCH v2 0/2] Add example l3fwd-regex guyk
2020-09-09 12:08     ` [dpdk-dev] [PATCH v2 1/2] examples/l3fwd-regex: add regex based l3fwd guyk
2020-10-07 13:44       ` Ori Kam
2020-10-14  8:50       ` Thomas Monjalon
2020-09-09 12:08     ` [dpdk-dev] [PATCH v2 2/2] doc: add l3fwd-regex application user guide guyk
2020-10-07 13:28       ` Ori Kam
2020-10-18 12:03   ` [dpdk-dev] [PATCH v3 0/2] Add example l3fwd-regex guyk
2020-10-18 12:03     ` [dpdk-dev] [PATCH v3 1/2] examples/l3fwd-regex: add regex based l3fwd guyk
2020-10-19 15:09       ` Ori Kam
2020-10-18 12:03     ` [dpdk-dev] [PATCH v3 2/2] doc: add l3fwd-regex application user guide guyk
2020-10-19 15:12       ` Ori Kam
2020-11-15 14:07     ` [dpdk-dev] [PATCH v3 0/2] Add example l3fwd-regex Thomas Monjalon

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