bump version to 12.2.12-pve1

[ceph.git] / ceph / src / dpdk / examples / l2fwd-crypto / main.c

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/queue.h>
#include <netinet/in.h>
#include <setjmp.h>
#include <stdarg.h>
#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <fcntl.h>
#include <unistd.h>

#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_common.h>
#include <rte_cryptodev.h>
#include <rte_cycles.h>
#include <rte_debug.h>
#include <rte_eal.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_interrupts.h>
#include <rte_ip.h>
#include <rte_launch.h>
#include <rte_lcore.h>
#include <rte_log.h>
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_memcpy.h>
#include <rte_memory.h>
#include <rte_mempool.h>
#include <rte_memzone.h>
#include <rte_pci.h>
#include <rte_per_lcore.h>
#include <rte_prefetch.h>
#include <rte_random.h>
#include <rte_hexdump.h>

enum cdev_type {
        CDEV_TYPE_ANY,
        CDEV_TYPE_HW,
        CDEV_TYPE_SW
};

#define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1

#define NB_MBUF   8192

#define MAX_STR_LEN 32
#define MAX_KEY_SIZE 128
#define MAX_PKT_BURST 32
#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */

/*
 * Configurable number of RX/TX ring descriptors
 */
#define RTE_TEST_RX_DESC_DEFAULT 128
#define RTE_TEST_TX_DESC_DEFAULT 512

static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;

/* ethernet addresses of ports */
static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];

/* mask of enabled ports */
static uint64_t l2fwd_enabled_port_mask;
static uint64_t l2fwd_enabled_crypto_mask;

/* list of enabled ports */
static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];


struct pkt_buffer {
        unsigned len;
        struct rte_mbuf *buffer[MAX_PKT_BURST];
};

struct op_buffer {
        unsigned len;
        struct rte_crypto_op *buffer[MAX_PKT_BURST];
};

#define MAX_RX_QUEUE_PER_LCORE 16
#define MAX_TX_QUEUE_PER_PORT 16

enum l2fwd_crypto_xform_chain {
        L2FWD_CRYPTO_CIPHER_HASH,
        L2FWD_CRYPTO_HASH_CIPHER,
        L2FWD_CRYPTO_CIPHER_ONLY,
        L2FWD_CRYPTO_HASH_ONLY
};

struct l2fwd_key {
        uint8_t *data;
        uint32_t length;
        phys_addr_t phys_addr;
};

char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];

/** l2fwd crypto application command line options */
struct l2fwd_crypto_options {
        unsigned portmask;
        unsigned nb_ports_per_lcore;
        unsigned refresh_period;
        unsigned single_lcore:1;

        enum cdev_type type;
        unsigned sessionless:1;

        enum l2fwd_crypto_xform_chain xform_chain;

        struct rte_crypto_sym_xform cipher_xform;
        unsigned ckey_param;
        int ckey_random_size;

        struct l2fwd_key iv;
        unsigned iv_param;
        int iv_random_size;

        struct rte_crypto_sym_xform auth_xform;
        uint8_t akey_param;
        int akey_random_size;

        struct l2fwd_key aad;
        unsigned aad_param;
        int aad_random_size;

        int digest_size;

        uint16_t block_size;
        char string_type[MAX_STR_LEN];
};

/** l2fwd crypto lcore params */
struct l2fwd_crypto_params {
        uint8_t dev_id;
        uint8_t qp_id;

        unsigned digest_length;
        unsigned block_size;

        struct l2fwd_key iv;
        struct l2fwd_key aad;
        struct rte_cryptodev_sym_session *session;

        uint8_t do_cipher;
        uint8_t do_hash;
        uint8_t hash_verify;

        enum rte_crypto_cipher_algorithm cipher_algo;
        enum rte_crypto_auth_algorithm auth_algo;
};

/** lcore configuration */
struct lcore_queue_conf {
        unsigned nb_rx_ports;
        unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];

        unsigned nb_crypto_devs;
        unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];

        struct op_buffer op_buf[RTE_MAX_ETHPORTS];
        struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
} __rte_cache_aligned;

struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];

static const struct rte_eth_conf port_conf = {
        .rxmode = {
                .mq_mode = ETH_MQ_RX_NONE,
                .max_rx_pkt_len = ETHER_MAX_LEN,
                .split_hdr_size = 0,
                .header_split   = 0, /**< Header Split disabled */
                .hw_ip_checksum = 0, /**< IP checksum offload disabled */
                .hw_vlan_filter = 0, /**< VLAN filtering disabled */
                .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
                .hw_strip_crc   = 0, /**< CRC stripped by hardware */
        },
        .txmode = {
                .mq_mode = ETH_MQ_TX_NONE,
        },
};

struct rte_mempool *l2fwd_pktmbuf_pool;
struct rte_mempool *l2fwd_crypto_op_pool;

/* Per-port statistics struct */
struct l2fwd_port_statistics {
        uint64_t tx;
        uint64_t rx;

        uint64_t crypto_enqueued;
        uint64_t crypto_dequeued;

        uint64_t dropped;
} __rte_cache_aligned;

struct l2fwd_crypto_statistics {
        uint64_t enqueued;
        uint64_t dequeued;

        uint64_t errors;
} __rte_cache_aligned;

struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];

/* A tsc-based timer responsible for triggering statistics printout */
#define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
#define MAX_TIMER_PERIOD 86400UL /* 1 day max */

/* default period is 10 seconds */
static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;

/* Print out statistics on packets dropped */
static void
print_stats(void)
{
        uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
        uint64_t total_packets_enqueued, total_packets_dequeued,
                total_packets_errors;
        unsigned portid;
        uint64_t cdevid;

        total_packets_dropped = 0;
        total_packets_tx = 0;
        total_packets_rx = 0;
        total_packets_enqueued = 0;
        total_packets_dequeued = 0;
        total_packets_errors = 0;

        const char clr[] = { 27, '[', '2', 'J', '\0' };
        const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };

                /* Clear screen and move to top left */
        printf("%s%s", clr, topLeft);

        printf("\nPort statistics ====================================");

        for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
                /* skip disabled ports */
                if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
                        continue;
                printf("\nStatistics for port %u ------------------------------"
                           "\nPackets sent: %32"PRIu64
                           "\nPackets received: %28"PRIu64
                           "\nPackets dropped: %29"PRIu64,
                           portid,
                           port_statistics[portid].tx,
                           port_statistics[portid].rx,
                           port_statistics[portid].dropped);

                total_packets_dropped += port_statistics[portid].dropped;
                total_packets_tx += port_statistics[portid].tx;
                total_packets_rx += port_statistics[portid].rx;
        }
        printf("\nCrypto statistics ==================================");

        for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
                /* skip disabled ports */
                if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
                        continue;
                printf("\nStatistics for cryptodev %"PRIu64
                                " -------------------------"
                           "\nPackets enqueued: %28"PRIu64
                           "\nPackets dequeued: %28"PRIu64
                           "\nPackets errors: %30"PRIu64,
                           cdevid,
                           crypto_statistics[cdevid].enqueued,
                           crypto_statistics[cdevid].dequeued,
                           crypto_statistics[cdevid].errors);

                total_packets_enqueued += crypto_statistics[cdevid].enqueued;
                total_packets_dequeued += crypto_statistics[cdevid].dequeued;
                total_packets_errors += crypto_statistics[cdevid].errors;
        }
        printf("\nAggregate statistics ==============================="
                   "\nTotal packets received: %22"PRIu64
                   "\nTotal packets enqueued: %22"PRIu64
                   "\nTotal packets dequeued: %22"PRIu64
                   "\nTotal packets sent: %26"PRIu64
                   "\nTotal packets dropped: %23"PRIu64
                   "\nTotal packets crypto errors: %17"PRIu64,
                   total_packets_rx,
                   total_packets_enqueued,
                   total_packets_dequeued,
                   total_packets_tx,
                   total_packets_dropped,
                   total_packets_errors);
        printf("\n====================================================\n");
}

static void
fill_supported_algorithm_tables(void)
{
        unsigned i;

        for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
                strcpy(supported_auth_algo[i], "NOT_SUPPORTED");

        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GMAC], "AES_GMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5], "MD5");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
                "AES_XCBC_MAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1], "SHA1");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224], "SHA224");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256], "SHA256");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384], "SHA384");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512], "SHA512");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_ZUC_EIA3], "ZUC_EIA3");
        strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");

        for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
                strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");

        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_ZUC_EEA3], "ZUC_EEA3");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CTR], "3DES_CTR");
        strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CBC], "3DES_CBC");
}


static int
l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
                struct l2fwd_crypto_params *cparams)
{
        struct rte_crypto_op **op_buffer;
        unsigned ret;

        op_buffer = (struct rte_crypto_op **)
                        qconf->op_buf[cparams->dev_id].buffer;

        ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
                        cparams->qp_id, op_buffer, (uint16_t) n);

        crypto_statistics[cparams->dev_id].enqueued += ret;
        if (unlikely(ret < n)) {
                crypto_statistics[cparams->dev_id].errors += (n - ret);
                do {
                        rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
                        rte_crypto_op_free(op_buffer[ret]);
                } while (++ret < n);
        }

        return 0;
}

static int
l2fwd_crypto_enqueue(struct rte_crypto_op *op,
                struct l2fwd_crypto_params *cparams)
{
        unsigned lcore_id, len;
        struct lcore_queue_conf *qconf;

        lcore_id = rte_lcore_id();

        qconf = &lcore_queue_conf[lcore_id];
        len = qconf->op_buf[cparams->dev_id].len;
        qconf->op_buf[cparams->dev_id].buffer[len] = op;
        len++;

        /* enough ops to be sent */
        if (len == MAX_PKT_BURST) {
                l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
                len = 0;
        }

        qconf->op_buf[cparams->dev_id].len = len;
        return 0;
}

static int
l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
                struct rte_crypto_op *op,
                struct l2fwd_crypto_params *cparams)
{
        struct ether_hdr *eth_hdr;
        struct ipv4_hdr *ip_hdr;

        unsigned ipdata_offset, pad_len, data_len;
        char *padding;

        eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);

        if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
                return -1;

        ipdata_offset = sizeof(struct ether_hdr);

        ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
                        ipdata_offset);

        ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
                        * IPV4_IHL_MULTIPLIER;


        /* Zero pad data to be crypto'd so it is block aligned */
        data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;

        if (cparams->do_hash && cparams->hash_verify)
                data_len -= cparams->digest_length;

        pad_len = data_len % cparams->block_size ? cparams->block_size -
                        (data_len % cparams->block_size) : 0;

        if (pad_len) {
                padding = rte_pktmbuf_append(m, pad_len);
                if (unlikely(!padding))
                        return -1;

                data_len += pad_len;
                memset(padding, 0, pad_len);
        }

        /* Set crypto operation data parameters */
        rte_crypto_op_attach_sym_session(op, cparams->session);

        if (cparams->do_hash) {
                if (!cparams->hash_verify) {
                        /* Append space for digest to end of packet */
                        op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
                                cparams->digest_length);
                } else {
                        op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
                                uint8_t *) + ipdata_offset + data_len;
                }

                op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
                                rte_pktmbuf_pkt_len(m) - cparams->digest_length);
                op->sym->auth.digest.length = cparams->digest_length;

                /* For wireless algorithms, offset/length must be in bits */
                if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
                                cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
                                cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
                        op->sym->auth.data.offset = ipdata_offset << 3;
                        op->sym->auth.data.length = data_len << 3;
                } else {
                        op->sym->auth.data.offset = ipdata_offset;
                        op->sym->auth.data.length = data_len;
                }

                if (cparams->aad.length) {
                        op->sym->auth.aad.data = cparams->aad.data;
                        op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
                        op->sym->auth.aad.length = cparams->aad.length;
                }
        }

        if (cparams->do_cipher) {
                op->sym->cipher.iv.data = cparams->iv.data;
                op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
                op->sym->cipher.iv.length = cparams->iv.length;

                /* For wireless algorithms, offset/length must be in bits */
                if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
                                cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
                                cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
                        op->sym->cipher.data.offset = ipdata_offset << 3;
                        op->sym->cipher.data.length = data_len << 3;
                } else {
                        op->sym->cipher.data.offset = ipdata_offset;
                        op->sym->cipher.data.length = data_len;
                }
        }

        op->sym->m_src = m;

        return l2fwd_crypto_enqueue(op, cparams);
}


/* Send the burst of packets on an output interface */
static int
l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
                uint8_t port)
{
        struct rte_mbuf **pkt_buffer;
        unsigned ret;

        pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;

        ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
        port_statistics[port].tx += ret;
        if (unlikely(ret < n)) {
                port_statistics[port].dropped += (n - ret);
                do {
                        rte_pktmbuf_free(pkt_buffer[ret]);
                } while (++ret < n);
        }

        return 0;
}

/* Enqueue packets for TX and prepare them to be sent */
static int
l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
{
        unsigned lcore_id, len;
        struct lcore_queue_conf *qconf;

        lcore_id = rte_lcore_id();

        qconf = &lcore_queue_conf[lcore_id];
        len = qconf->pkt_buf[port].len;
        qconf->pkt_buf[port].buffer[len] = m;
        len++;

        /* enough pkts to be sent */
        if (unlikely(len == MAX_PKT_BURST)) {
                l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
                len = 0;
        }

        qconf->pkt_buf[port].len = len;
        return 0;
}

static void
l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
{
        struct ether_hdr *eth;
        void *tmp;
        unsigned dst_port;

        dst_port = l2fwd_dst_ports[portid];
        eth = rte_pktmbuf_mtod(m, struct ether_hdr *);

        /* 02:00:00:00:00:xx */
        tmp = &eth->d_addr.addr_bytes[0];
        *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);

        /* src addr */
        ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);

        l2fwd_send_packet(m, (uint8_t) dst_port);
}

/** Generate random key */
static void
generate_random_key(uint8_t *key, unsigned length)
{
        int fd;
        int ret;

        fd = open("/dev/urandom", O_RDONLY);
        if (fd < 0)
                rte_exit(EXIT_FAILURE, "Failed to generate random key\n");

        ret = read(fd, key, length);
        close(fd);

        if (ret != (signed)length)
                rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
}

static struct rte_cryptodev_sym_session *
initialize_crypto_session(struct l2fwd_crypto_options *options,
                uint8_t cdev_id)
{
        struct rte_crypto_sym_xform *first_xform;

        if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
                first_xform = &options->cipher_xform;
                first_xform->next = &options->auth_xform;
        } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
                first_xform = &options->auth_xform;
                first_xform->next = &options->cipher_xform;
        } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
                first_xform = &options->cipher_xform;
        } else {
                first_xform = &options->auth_xform;
        }

        /* Setup Cipher Parameters */
        return rte_cryptodev_sym_session_create(cdev_id, first_xform);
}

static void
l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);

/* main processing loop */
static void
l2fwd_main_loop(struct l2fwd_crypto_options *options)
{
        struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
        struct rte_crypto_op *ops_burst[MAX_PKT_BURST];

        unsigned lcore_id = rte_lcore_id();
        uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
        unsigned i, j, portid, nb_rx, len;
        struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
        const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
                        US_PER_S * BURST_TX_DRAIN_US;
        struct l2fwd_crypto_params *cparams;
        struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];

        if (qconf->nb_rx_ports == 0) {
                RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
                return;
        }

        RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);

        for (i = 0; i < qconf->nb_rx_ports; i++) {

                portid = qconf->rx_port_list[i];
                RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
                        portid);
        }

        for (i = 0; i < qconf->nb_crypto_devs; i++) {
                port_cparams[i].do_cipher = 0;
                port_cparams[i].do_hash = 0;

                switch (options->xform_chain) {
                case L2FWD_CRYPTO_CIPHER_HASH:
                case L2FWD_CRYPTO_HASH_CIPHER:
                        port_cparams[i].do_cipher = 1;
                        port_cparams[i].do_hash = 1;
                        break;
                case L2FWD_CRYPTO_HASH_ONLY:
                        port_cparams[i].do_hash = 1;
                        break;
                case L2FWD_CRYPTO_CIPHER_ONLY:
                        port_cparams[i].do_cipher = 1;
                        break;
                }

                port_cparams[i].dev_id = qconf->cryptodev_list[i];
                port_cparams[i].qp_id = 0;

                port_cparams[i].block_size = options->block_size;

                if (port_cparams[i].do_hash) {
                        port_cparams[i].digest_length =
                                        options->auth_xform.auth.digest_length;
                        if (options->auth_xform.auth.add_auth_data_length) {
                                port_cparams[i].aad.data = options->aad.data;
                                port_cparams[i].aad.length =
                                        options->auth_xform.auth.add_auth_data_length;
                                port_cparams[i].aad.phys_addr = options->aad.phys_addr;
                                if (!options->aad_param)
                                        generate_random_key(port_cparams[i].aad.data,
                                                port_cparams[i].aad.length);

                        }

                        if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
                                port_cparams[i].hash_verify = 1;
                        else
                                port_cparams[i].hash_verify = 0;

                        port_cparams[i].auth_algo = options->auth_xform.auth.algo;
                }

                if (port_cparams[i].do_cipher) {
                        port_cparams[i].iv.data = options->iv.data;
                        port_cparams[i].iv.length = options->iv.length;
                        port_cparams[i].iv.phys_addr = options->iv.phys_addr;
                        if (!options->iv_param)
                                generate_random_key(port_cparams[i].iv.data,
                                                port_cparams[i].iv.length);

                        port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
                }

                port_cparams[i].session = initialize_crypto_session(options,
                                port_cparams[i].dev_id);

                if (port_cparams[i].session == NULL)
                        return;
                RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
                                port_cparams[i].dev_id);
        }

        l2fwd_crypto_options_print(options);

        /*
         * Initialize previous tsc timestamp before the loop,
         * to avoid showing the port statistics immediately,
         * so user can see the crypto information.
         */
        prev_tsc = rte_rdtsc();
        while (1) {

                cur_tsc = rte_rdtsc();

                /*
                 * Crypto device/TX burst queue drain
                 */
                diff_tsc = cur_tsc - prev_tsc;
                if (unlikely(diff_tsc > drain_tsc)) {
                        /* Enqueue all crypto ops remaining in buffers */
                        for (i = 0; i < qconf->nb_crypto_devs; i++) {
                                cparams = &port_cparams[i];
                                len = qconf->op_buf[cparams->dev_id].len;
                                l2fwd_crypto_send_burst(qconf, len, cparams);
                                qconf->op_buf[cparams->dev_id].len = 0;
                        }
                        /* Transmit all packets remaining in buffers */
                        for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
                                if (qconf->pkt_buf[portid].len == 0)
                                        continue;
                                l2fwd_send_burst(&lcore_queue_conf[lcore_id],
                                                 qconf->pkt_buf[portid].len,
                                                 (uint8_t) portid);
                                qconf->pkt_buf[portid].len = 0;
                        }

                        /* if timer is enabled */
                        if (timer_period > 0) {

                                /* advance the timer */
                                timer_tsc += diff_tsc;

                                /* if timer has reached its timeout */
                                if (unlikely(timer_tsc >=
                                                (uint64_t)timer_period)) {

                                        /* do this only on master core */
                                        if (lcore_id == rte_get_master_lcore()
                                                && options->refresh_period) {
                                                print_stats();
                                                timer_tsc = 0;
                                        }
                                }
                        }

                        prev_tsc = cur_tsc;
                }

                /*
                 * Read packet from RX queues
                 */
                for (i = 0; i < qconf->nb_rx_ports; i++) {
                        portid = qconf->rx_port_list[i];

                        cparams = &port_cparams[i];

                        nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
                                                 pkts_burst, MAX_PKT_BURST);

                        port_statistics[portid].rx += nb_rx;

                        if (nb_rx) {
                                /*
                                 * If we can't allocate a crypto_ops, then drop
                                 * the rest of the burst and dequeue and
                                 * process the packets to free offload structs
                                 */
                                if (rte_crypto_op_bulk_alloc(
                                                l2fwd_crypto_op_pool,
                                                RTE_CRYPTO_OP_TYPE_SYMMETRIC,
                                                ops_burst, nb_rx) !=
                                                                nb_rx) {
                                        for (j = 0; j < nb_rx; j++)
                                                rte_pktmbuf_free(pkts_burst[i]);

                                        nb_rx = 0;
                                }

                                /* Enqueue packets from Crypto device*/
                                for (j = 0; j < nb_rx; j++) {
                                        m = pkts_burst[j];

                                        l2fwd_simple_crypto_enqueue(m,
                                                        ops_burst[j], cparams);
                                }
                        }

                        /* Dequeue packets from Crypto device */
                        do {
                                nb_rx = rte_cryptodev_dequeue_burst(
                                                cparams->dev_id, cparams->qp_id,
                                                ops_burst, MAX_PKT_BURST);

                                crypto_statistics[cparams->dev_id].dequeued +=
                                                nb_rx;

                                /* Forward crypto'd packets */
                                for (j = 0; j < nb_rx; j++) {
                                        m = ops_burst[j]->sym->m_src;

                                        rte_crypto_op_free(ops_burst[j]);
                                        l2fwd_simple_forward(m, portid);
                                }
                        } while (nb_rx == MAX_PKT_BURST);
                }
        }
}

static int
l2fwd_launch_one_lcore(void *arg)
{
        l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
        return 0;
}

/* Display command line arguments usage */
static void
l2fwd_crypto_usage(const char *prgname)
{
        printf("%s [EAL options] --\n"
                "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
                "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
                "  -s manage all ports from single lcore\n"
                "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
                " (0 to disable, 10 default, 86400 maximum)\n"

                "  --cdev_type HW / SW / ANY\n"
                "  --chain HASH_CIPHER / CIPHER_HASH\n"

                "  --cipher_algo ALGO\n"
                "  --cipher_op ENCRYPT / DECRYPT\n"
                "  --cipher_key KEY (bytes separated with \":\")\n"
                "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
                "  --iv IV (bytes separated with \":\")\n"
                "  --iv_random_size SIZE: size of IV when generated randomly\n"

                "  --auth_algo ALGO\n"
                "  --auth_op GENERATE / VERIFY\n"
                "  --auth_key KEY (bytes separated with \":\")\n"
                "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
                "  --aad AAD (bytes separated with \":\")\n"
                "  --aad_random_size SIZE: size of AAD when generated randomly\n"
                "  --digest_size SIZE: size of digest to be generated/verified\n"

                "  --sessionless\n",
               prgname);
}

/** Parse crypto device type command line argument */
static int
parse_cryptodev_type(enum cdev_type *type, char *optarg)
{
        if (strcmp("HW", optarg) == 0) {
                *type = CDEV_TYPE_HW;
                return 0;
        } else if (strcmp("SW", optarg) == 0) {
                *type = CDEV_TYPE_SW;
                return 0;
        } else if (strcmp("ANY", optarg) == 0) {
                *type = CDEV_TYPE_ANY;
                return 0;
        }

        return -1;
}

/** Parse crypto chain xform command line argument */
static int
parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
{
        if (strcmp("CIPHER_HASH", optarg) == 0) {
                options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
                return 0;
        } else if (strcmp("HASH_CIPHER", optarg) == 0) {
                options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
                return 0;
        } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
                options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
                return 0;
        } else if (strcmp("HASH_ONLY", optarg) == 0) {
                options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
                return 0;
        }

        return -1;
}

/** Parse crypto cipher algo option command line argument */
static int
parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
{
        unsigned i;

        for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
                if (!strcmp(supported_cipher_algo[i], optarg)) {
                        *algo = (enum rte_crypto_cipher_algorithm)i;
                        return 0;
                }
        }

        printf("Cipher algorithm  not supported!\n");
        return -1;
}

/** Parse crypto cipher operation command line argument */
static int
parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
{
        if (strcmp("ENCRYPT", optarg) == 0) {
                *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
                return 0;
        } else if (strcmp("DECRYPT", optarg) == 0) {
                *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
                return 0;
        }

        printf("Cipher operation not supported!\n");
        return -1;
}

/** Parse crypto key command line argument */
static int
parse_key(uint8_t *data, char *input_arg)
{
        unsigned byte_count;
        char *token;

        for (byte_count = 0, token = strtok(input_arg, ":");
                        (byte_count < MAX_KEY_SIZE) && (token != NULL);
                        token = strtok(NULL, ":")) {

                int number = (int)strtol(token, NULL, 16);

                if (errno == EINVAL || errno == ERANGE || number > 0xFF)
                        return -1;

                data[byte_count++] = (uint8_t)number;
        }

        return byte_count;
}

/** Parse size param*/
static int
parse_size(int *size, const char *q_arg)
{
        char *end = NULL;
        unsigned long n;

        /* parse hexadecimal string */
        n = strtoul(q_arg, &end, 10);
        if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
                n = 0;

        if (n == 0) {
                printf("invalid size\n");
                return -1;
        }

        *size = n;
        return 0;
}

/** Parse crypto cipher operation command line argument */
static int
parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
{
        unsigned i;

        for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
                if (!strcmp(supported_auth_algo[i], optarg)) {
                        *algo = (enum rte_crypto_auth_algorithm)i;
                        return 0;
                }
        }

        printf("Authentication algorithm specified not supported!\n");
        return -1;
}

static int
parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
{
        if (strcmp("VERIFY", optarg) == 0) {
                *op = RTE_CRYPTO_AUTH_OP_VERIFY;
                return 0;
        } else if (strcmp("GENERATE", optarg) == 0) {
                *op = RTE_CRYPTO_AUTH_OP_GENERATE;
                return 0;
        }

        printf("Authentication operation specified not supported!\n");
        return -1;
}

/** Parse long options */
static int
l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
                struct option *lgopts, int option_index)
{
        int retval;

        if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
                retval = parse_cryptodev_type(&options->type, optarg);
                if (retval == 0)
                        snprintf(options->string_type, MAX_STR_LEN,
                                "%s", optarg);
                return retval;
        }

        else if (strcmp(lgopts[option_index].name, "chain") == 0)
                return parse_crypto_opt_chain(options, optarg);

        /* Cipher options */
        else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
                return parse_cipher_algo(&options->cipher_xform.cipher.algo,
                                optarg);

        else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
                return parse_cipher_op(&options->cipher_xform.cipher.op,
                                optarg);

        else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
                options->ckey_param = 1;
                options->cipher_xform.cipher.key.length =
                        parse_key(options->cipher_xform.cipher.key.data, optarg);
                if (options->cipher_xform.cipher.key.length > 0)
                        return 0;
                else
                        return -1;
        }

        else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
                return parse_size(&options->ckey_random_size, optarg);

        else if (strcmp(lgopts[option_index].name, "iv") == 0) {
                options->iv_param = 1;
                options->iv.length =
                        parse_key(options->iv.data, optarg);
                if (options->iv.length > 0)
                        return 0;
                else
                        return -1;
        }

        else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
                return parse_size(&options->iv_random_size, optarg);

        /* Authentication options */
        else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
                return parse_auth_algo(&options->auth_xform.auth.algo,
                                optarg);
        }

        else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
                return parse_auth_op(&options->auth_xform.auth.op,
                                optarg);

        else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
                options->akey_param = 1;
                options->auth_xform.auth.key.length =
                        parse_key(options->auth_xform.auth.key.data, optarg);
                if (options->auth_xform.auth.key.length > 0)
                        return 0;
                else
                        return -1;
        }

        else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
                return parse_size(&options->akey_random_size, optarg);
        }

        else if (strcmp(lgopts[option_index].name, "aad") == 0) {
                options->aad_param = 1;
                options->aad.length =
                        parse_key(options->aad.data, optarg);
                if (options->aad.length > 0)
                        return 0;
                else
                        return -1;
        }

        else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
                return parse_size(&options->aad_random_size, optarg);
        }

        else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
                return parse_size(&options->digest_size, optarg);
        }

        else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
                options->sessionless = 1;
                return 0;
        }

        return -1;
}

/** Parse port mask */
static int
l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
                const char *q_arg)
{
        char *end = NULL;
        unsigned long pm;

        /* parse hexadecimal string */
        pm = strtoul(q_arg, &end, 16);
        if ((pm == '\0') || (end == NULL) || (*end != '\0'))
                pm = 0;

        options->portmask = pm;
        if (options->portmask == 0) {
                printf("invalid portmask specified\n");
                return -1;
        }

        return pm;
}

/** Parse number of queues */
static int
l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
                const char *q_arg)
{
        char *end = NULL;
        unsigned long n;

        /* parse hexadecimal string */
        n = strtoul(q_arg, &end, 10);
        if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
                n = 0;
        else if (n >= MAX_RX_QUEUE_PER_LCORE)
                n = 0;

        options->nb_ports_per_lcore = n;
        if (options->nb_ports_per_lcore == 0) {
                printf("invalid number of ports selected\n");
                return -1;
        }

        return 0;
}

/** Parse timer period */
static int
l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
                const char *q_arg)
{
        char *end = NULL;
        unsigned long n;

        /* parse number string */
        n = (unsigned)strtol(q_arg, &end, 10);
        if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
                n = 0;

        if (n >= MAX_TIMER_PERIOD) {
                printf("Warning refresh period specified %lu is greater than "
                                "max value %lu! using max value",
                                n, MAX_TIMER_PERIOD);
                n = MAX_TIMER_PERIOD;
        }

        options->refresh_period = n * 1000 * TIMER_MILLISECOND;

        return 0;
}

/** Generate default options for application */
static void
l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
{
        options->portmask = 0xffffffff;
        options->nb_ports_per_lcore = 1;
        options->refresh_period = 10000;
        options->single_lcore = 0;
        options->sessionless = 0;

        options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;

        /* Cipher Data */
        options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
        options->cipher_xform.next = NULL;
        options->ckey_param = 0;
        options->ckey_random_size = -1;
        options->cipher_xform.cipher.key.length = 0;
        options->iv_param = 0;
        options->iv_random_size = -1;
        options->iv.length = 0;

        options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
        options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;

        /* Authentication Data */
        options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
        options->auth_xform.next = NULL;
        options->akey_param = 0;
        options->akey_random_size = -1;
        options->auth_xform.auth.key.length = 0;
        options->aad_param = 0;
        options->aad_random_size = -1;
        options->aad.length = 0;
        options->digest_size = -1;

        options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
        options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;

        options->type = CDEV_TYPE_ANY;
}

static void
display_cipher_info(struct l2fwd_crypto_options *options)
{
        printf("\n---- Cipher information ---\n");
        printf("Algorithm: %s\n",
                supported_cipher_algo[options->cipher_xform.cipher.algo]);
        rte_hexdump(stdout, "Cipher key:",
                        options->cipher_xform.cipher.key.data,
                        options->cipher_xform.cipher.key.length);
        rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
}

static void
display_auth_info(struct l2fwd_crypto_options *options)
{
        printf("\n---- Authentication information ---\n");
        printf("Algorithm: %s\n",
                supported_auth_algo[options->auth_xform.auth.algo]);
        rte_hexdump(stdout, "Auth key:",
                        options->auth_xform.auth.key.data,
                        options->auth_xform.auth.key.length);
        rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
}

static void
l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
{
        char string_cipher_op[MAX_STR_LEN];
        char string_auth_op[MAX_STR_LEN];

        if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
                strcpy(string_cipher_op, "Encrypt");
        else
                strcpy(string_cipher_op, "Decrypt");

        if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
                strcpy(string_auth_op, "Auth generate");
        else
                strcpy(string_auth_op, "Auth verify");

        printf("Options:-\nn");
        printf("portmask: %x\n", options->portmask);
        printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
        printf("refresh period : %u\n", options->refresh_period);
        printf("single lcore mode: %s\n",
                        options->single_lcore ? "enabled" : "disabled");
        printf("stats_printing: %s\n",
                        options->refresh_period == 0 ? "disabled" : "enabled");

        printf("sessionless crypto: %s\n",
                        options->sessionless ? "enabled" : "disabled");

        if (options->ckey_param && (options->ckey_random_size != -1))
                printf("Cipher key already parsed, ignoring size of random key\n");

        if (options->akey_param && (options->akey_random_size != -1))
                printf("Auth key already parsed, ignoring size of random key\n");

        if (options->iv_param && (options->iv_random_size != -1))
                printf("IV already parsed, ignoring size of random IV\n");

        if (options->aad_param && (options->aad_random_size != -1))
                printf("AAD already parsed, ignoring size of random AAD\n");

        printf("\nCrypto chain: ");
        switch (options->xform_chain) {
        case L2FWD_CRYPTO_CIPHER_HASH:
                printf("Input --> %s --> %s --> Output\n",
                        string_cipher_op, string_auth_op);
                display_cipher_info(options);
                display_auth_info(options);
                break;
        case L2FWD_CRYPTO_HASH_CIPHER:
                printf("Input --> %s --> %s --> Output\n",
                        string_auth_op, string_cipher_op);
                display_cipher_info(options);
                display_auth_info(options);
                break;
        case L2FWD_CRYPTO_HASH_ONLY:
                printf("Input --> %s --> Output\n", string_auth_op);
                display_auth_info(options);
                break;
        case L2FWD_CRYPTO_CIPHER_ONLY:
                printf("Input --> %s --> Output\n", string_cipher_op);
                display_cipher_info(options);
                break;
        }
}

/* Parse the argument given in the command line of the application */
static int
l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
                int argc, char **argv)
{
        int opt, retval, option_index;
        char **argvopt = argv, *prgname = argv[0];

        static struct option lgopts[] = {
                        { "sessionless", no_argument, 0, 0 },

                        { "cdev_type", required_argument, 0, 0 },
                        { "chain", required_argument, 0, 0 },

                        { "cipher_algo", required_argument, 0, 0 },
                        { "cipher_op", required_argument, 0, 0 },
                        { "cipher_key", required_argument, 0, 0 },
                        { "cipher_key_random_size", required_argument, 0, 0 },

                        { "auth_algo", required_argument, 0, 0 },
                        { "auth_op", required_argument, 0, 0 },
                        { "auth_key", required_argument, 0, 0 },
                        { "auth_key_random_size", required_argument, 0, 0 },

                        { "iv", required_argument, 0, 0 },
                        { "iv_random_size", required_argument, 0, 0 },
                        { "aad", required_argument, 0, 0 },
                        { "aad_random_size", required_argument, 0, 0 },
                        { "digest_size", required_argument, 0, 0 },

                        { "sessionless", no_argument, 0, 0 },

                        { NULL, 0, 0, 0 }
        };

        l2fwd_crypto_default_options(options);

        while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
                        &option_index)) != EOF) {
                switch (opt) {
                /* long options */
                case 0:
                        retval = l2fwd_crypto_parse_args_long_options(options,
                                        lgopts, option_index);
                        if (retval < 0) {
                                l2fwd_crypto_usage(prgname);
                                return -1;
                        }
                        break;

                /* portmask */
                case 'p':
                        retval = l2fwd_crypto_parse_portmask(options, optarg);
                        if (retval < 0) {
                                l2fwd_crypto_usage(prgname);
                                return -1;
                        }
                        break;

                /* nqueue */
                case 'q':
                        retval = l2fwd_crypto_parse_nqueue(options, optarg);
                        if (retval < 0) {
                                l2fwd_crypto_usage(prgname);
                                return -1;
                        }
                        break;

                /* single  */
                case 's':
                        options->single_lcore = 1;

                        break;

                /* timer period */
                case 'T':
                        retval = l2fwd_crypto_parse_timer_period(options,
                                        optarg);
                        if (retval < 0) {
                                l2fwd_crypto_usage(prgname);
                                return -1;
                        }
                        break;

                default:
                        l2fwd_crypto_usage(prgname);
                        return -1;
                }
        }


        if (optind >= 0)
                argv[optind-1] = prgname;

        retval = optind-1;
        optind = 0; /* reset getopt lib */

        return retval;
}

/* Check the link status of all ports in up to 9s, and print them finally */
static void
check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
{
#define CHECK_INTERVAL 100 /* 100ms */
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
        uint8_t portid, count, all_ports_up, print_flag = 0;
        struct rte_eth_link link;

        printf("\nChecking link status");
        fflush(stdout);
        for (count = 0; count <= MAX_CHECK_TIME; count++) {
                all_ports_up = 1;
                for (portid = 0; portid < port_num; portid++) {
                        if ((port_mask & (1 << portid)) == 0)
                                continue;
                        memset(&link, 0, sizeof(link));
                        rte_eth_link_get_nowait(portid, &link);
                        /* print link status if flag set */
                        if (print_flag == 1) {
                                if (link.link_status)
                                        printf("Port %d Link Up - speed %u "
                                                "Mbps - %s\n", (uint8_t)portid,
                                                (unsigned)link.link_speed,
                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
                                        ("full-duplex") : ("half-duplex\n"));
                                else
                                        printf("Port %d Link Down\n",
                                                (uint8_t)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");
                }
        }
}

/* Check if device has to be HW/SW or any */
static int
check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
{
        if (options->type == CDEV_TYPE_HW &&
                        (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
                return 0;
        if (options->type == CDEV_TYPE_SW &&
                        !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
                return 0;
        if (options->type == CDEV_TYPE_ANY)
                return 0;

        return -1;
}

static inline int
check_supported_size(uint16_t length, uint16_t min, uint16_t max,
                uint16_t increment)
{
        uint16_t supp_size;

        /* Single value */
        if (increment == 0) {
                if (length == min)
                        return 0;
                else
                        return -1;
        }

        /* Range of values */
        for (supp_size = min; supp_size <= max; supp_size += increment) {
                if (length == supp_size)
                        return 0;
        }

        return -1;
}
static int
initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
                uint8_t *enabled_cdevs)
{
        unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
        const struct rte_cryptodev_capabilities *cap;
        enum rte_crypto_auth_algorithm cap_auth_algo;
        enum rte_crypto_auth_algorithm opt_auth_algo;
        enum rte_crypto_cipher_algorithm cap_cipher_algo;
        enum rte_crypto_cipher_algorithm opt_cipher_algo;
        int retval;

        cdev_count = rte_cryptodev_count();
        if (cdev_count == 0) {
                printf("No crypto devices available\n");
                return -1;
        }

        for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
                        cdev_id++) {
                struct rte_cryptodev_qp_conf qp_conf;
                struct rte_cryptodev_info dev_info;

                struct rte_cryptodev_config conf = {
                        .nb_queue_pairs = 1,
                        .socket_id = SOCKET_ID_ANY,
                        .session_mp = {
                                .nb_objs = 2048,
                                .cache_size = 64
                        }
                };

                rte_cryptodev_info_get(cdev_id, &dev_info);

                /* Set cipher parameters */
                if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
                                options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
                                options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
                        /* Check if device supports cipher algo */
                        i = 0;
                        opt_cipher_algo = options->cipher_xform.cipher.algo;
                        cap = &dev_info.capabilities[i];
                        while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
                                cap_cipher_algo = cap->sym.cipher.algo;
                                if (cap->sym.xform_type ==
                                                RTE_CRYPTO_SYM_XFORM_CIPHER) {
                                        if (cap_cipher_algo == opt_cipher_algo) {
                                                if (check_type(options, &dev_info) == 0)
                                                        break;
                                        }
                                }
                                cap = &dev_info.capabilities[++i];
                        }

                        if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
                                printf("Algorithm %s not supported by cryptodev %u"
                                        " or device not of preferred type (%s)\n",
                                        supported_cipher_algo[opt_cipher_algo],
                                        cdev_id,
                                        options->string_type);
                                continue;
                        }

                        options->block_size = cap->sym.cipher.block_size;
                        /*
                         * Check if length of provided IV is supported
                         * by the algorithm chosen.
                         */
                        if (options->iv_param) {
                                if (check_supported_size(options->iv.length,
                                                cap->sym.cipher.iv_size.min,
                                                cap->sym.cipher.iv_size.max,
                                                cap->sym.cipher.iv_size.increment)
                                                        != 0) {
                                        printf("Unsupported IV length\n");
                                        return -1;
                                }
                        /*
                         * Check if length of IV to be randomly generated
                         * is supported by the algorithm chosen.
                         */
                        } else if (options->iv_random_size != -1) {
                                if (check_supported_size(options->iv_random_size,
                                                cap->sym.cipher.iv_size.min,
                                                cap->sym.cipher.iv_size.max,
                                                cap->sym.cipher.iv_size.increment)
                                                        != 0) {
                                        printf("Unsupported IV length\n");
                                        return -1;
                                }
                                options->iv.length = options->iv_random_size;
                        /* No size provided, use minimum size. */
                        } else
                                options->iv.length = cap->sym.cipher.iv_size.min;

                        /*
                         * Check if length of provided cipher key is supported
                         * by the algorithm chosen.
                         */
                        if (options->ckey_param) {
                                if (check_supported_size(
                                                options->cipher_xform.cipher.key.length,
                                                cap->sym.cipher.key_size.min,
                                                cap->sym.cipher.key_size.max,
                                                cap->sym.cipher.key_size.increment)
                                                        != 0) {
                                        printf("Unsupported cipher key length\n");
                                        return -1;
                                }
                        /*
                         * Check if length of the cipher key to be randomly generated
                         * is supported by the algorithm chosen.
                         */
                        } else if (options->ckey_random_size != -1) {
                                if (check_supported_size(options->ckey_random_size,
                                                cap->sym.cipher.key_size.min,
                                                cap->sym.cipher.key_size.max,
                                                cap->sym.cipher.key_size.increment)
                                                        != 0) {
                                        printf("Unsupported cipher key length\n");
                                        return -1;
                                }
                                options->cipher_xform.cipher.key.length =
                                                        options->ckey_random_size;
                        /* No size provided, use minimum size. */
                        } else
                                options->cipher_xform.cipher.key.length =
                                                cap->sym.cipher.key_size.min;

                        if (!options->ckey_param)
                                generate_random_key(
                                        options->cipher_xform.cipher.key.data,
                                        options->cipher_xform.cipher.key.length);

                }

                /* Set auth parameters */
                if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
                                options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
                                options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
                        /* Check if device supports auth algo */
                        i = 0;
                        opt_auth_algo = options->auth_xform.auth.algo;
                        cap = &dev_info.capabilities[i];
                        while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
                                cap_auth_algo = cap->sym.auth.algo;
                                if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
                                                (cap_auth_algo == opt_auth_algo) &&
                                                (check_type(options, &dev_info) == 0)) {
                                        break;
                                }
                                cap = &dev_info.capabilities[++i];
                        }

                        if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
                                printf("Algorithm %s not supported by cryptodev %u"
                                        " or device not of preferred type (%s)\n",
                                        supported_auth_algo[opt_auth_algo],
                                        cdev_id,
                                        options->string_type);
                                continue;
                        }

                        options->block_size = cap->sym.auth.block_size;
                        /*
                         * Check if length of provided AAD is supported
                         * by the algorithm chosen.
                         */
                        if (options->aad_param) {
                                if (check_supported_size(options->aad.length,
                                                cap->sym.auth.aad_size.min,
                                                cap->sym.auth.aad_size.max,
                                                cap->sym.auth.aad_size.increment)
                                                        != 0) {
                                        printf("Unsupported AAD length\n");
                                        return -1;
                                }
                        /*
                         * Check if length of AAD to be randomly generated
                         * is supported by the algorithm chosen.
                         */
                        } else if (options->aad_random_size != -1) {
                                if (check_supported_size(options->aad_random_size,
                                                cap->sym.auth.aad_size.min,
                                                cap->sym.auth.aad_size.max,
                                                cap->sym.auth.aad_size.increment)
                                                        != 0) {
                                        printf("Unsupported AAD length\n");
                                        return -1;
                                }
                                options->aad.length = options->aad_random_size;
                        /* No size provided, use minimum size. */
                        } else
                                options->aad.length = cap->sym.auth.aad_size.min;

                        options->auth_xform.auth.add_auth_data_length =
                                                options->aad.length;

                        /*
                         * Check if length of provided auth key is supported
                         * by the algorithm chosen.
                         */
                        if (options->akey_param) {
                                if (check_supported_size(
                                                options->auth_xform.auth.key.length,
                                                cap->sym.auth.key_size.min,
                                                cap->sym.auth.key_size.max,
                                                cap->sym.auth.key_size.increment)
                                                        != 0) {
                                        printf("Unsupported auth key length\n");
                                        return -1;
                                }
                        /*
                         * Check if length of the auth key to be randomly generated
                         * is supported by the algorithm chosen.
                         */
                        } else if (options->akey_random_size != -1) {
                                if (check_supported_size(options->akey_random_size,
                                                cap->sym.auth.key_size.min,
                                                cap->sym.auth.key_size.max,
                                                cap->sym.auth.key_size.increment)
                                                        != 0) {
                                        printf("Unsupported auth key length\n");
                                        return -1;
                                }
                                options->auth_xform.auth.key.length =
                                                        options->akey_random_size;
                        /* No size provided, use minimum size. */
                        } else
                                options->auth_xform.auth.key.length =
                                                cap->sym.auth.key_size.min;

                        if (!options->akey_param)
                                generate_random_key(
                                        options->auth_xform.auth.key.data,
                                        options->auth_xform.auth.key.length);

                        /* Check if digest size is supported by the algorithm. */
                        if (options->digest_size != -1) {
                                if (check_supported_size(options->digest_size,
                                                cap->sym.auth.digest_size.min,
                                                cap->sym.auth.digest_size.max,
                                                cap->sym.auth.digest_size.increment)
                                                        != 0) {
                                        printf("Unsupported digest length\n");
                                        return -1;
                                }
                                options->auth_xform.auth.digest_length =
                                                        options->digest_size;
                        /* No size provided, use minimum size. */
                        } else
                                options->auth_xform.auth.digest_length =
                                                cap->sym.auth.digest_size.min;
                }

                retval = rte_cryptodev_configure(cdev_id, &conf);
                if (retval < 0) {
                        printf("Failed to configure cryptodev %u", cdev_id);
                        return -1;
                }

                qp_conf.nb_descriptors = 2048;

                retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
                                SOCKET_ID_ANY);
                if (retval < 0) {
                        printf("Failed to setup queue pair %u on cryptodev %u",
                                        0, cdev_id);
                        return -1;
                }

                retval = rte_cryptodev_start(cdev_id);
                if (retval < 0) {
                        printf("Failed to start device %u: error %d\n",
                                        cdev_id, retval);
                        return -1;
                }

                l2fwd_enabled_crypto_mask |= (1 << cdev_id);

                enabled_cdevs[cdev_id] = 1;
                enabled_cdev_count++;
        }

        return enabled_cdev_count;
}

static int
initialize_ports(struct l2fwd_crypto_options *options)
{
        uint8_t last_portid, portid;
        unsigned enabled_portcount = 0;
        unsigned nb_ports = rte_eth_dev_count();

        if (nb_ports == 0) {
                printf("No Ethernet ports - bye\n");
                return -1;
        }

        /* Reset l2fwd_dst_ports */
        for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
                l2fwd_dst_ports[portid] = 0;

        for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
                int retval;

                /* Skip ports that are not enabled */
                if ((options->portmask & (1 << portid)) == 0)
                        continue;

                /* init port */
                printf("Initializing port %u... ", (unsigned) portid);
                fflush(stdout);
                retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
                if (retval < 0) {
                        printf("Cannot configure device: err=%d, port=%u\n",
                                  retval, (unsigned) portid);
                        return -1;
                }

                /* init one RX queue */
                fflush(stdout);
                retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
                                             rte_eth_dev_socket_id(portid),
                                             NULL, l2fwd_pktmbuf_pool);
                if (retval < 0) {
                        printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
                                        retval, (unsigned) portid);
                        return -1;
                }

                /* init one TX queue on each port */
                fflush(stdout);
                retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
                                rte_eth_dev_socket_id(portid),
                                NULL);
                if (retval < 0) {
                        printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
                                retval, (unsigned) portid);

                        return -1;
                }

                /* Start device */
                retval = rte_eth_dev_start(portid);
                if (retval < 0) {
                        printf("rte_eth_dev_start:err=%d, port=%u\n",
                                        retval, (unsigned) portid);
                        return -1;
                }

                rte_eth_promiscuous_enable(portid);

                rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);

                printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
                                (unsigned) portid,
                                l2fwd_ports_eth_addr[portid].addr_bytes[0],
                                l2fwd_ports_eth_addr[portid].addr_bytes[1],
                                l2fwd_ports_eth_addr[portid].addr_bytes[2],
                                l2fwd_ports_eth_addr[portid].addr_bytes[3],
                                l2fwd_ports_eth_addr[portid].addr_bytes[4],
                                l2fwd_ports_eth_addr[portid].addr_bytes[5]);

                /* initialize port stats */
                memset(&port_statistics, 0, sizeof(port_statistics));

                /* Setup port forwarding table */
                if (enabled_portcount % 2) {
                        l2fwd_dst_ports[portid] = last_portid;
                        l2fwd_dst_ports[last_portid] = portid;
                } else {
                        last_portid = portid;
                }

                l2fwd_enabled_port_mask |= (1 << portid);
                enabled_portcount++;
        }

        if (enabled_portcount == 1) {
                l2fwd_dst_ports[last_portid] = last_portid;
        } else if (enabled_portcount % 2) {
                printf("odd number of ports in portmask- bye\n");
                return -1;
        }

        check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);

        return enabled_portcount;
}

static void
reserve_key_memory(struct l2fwd_crypto_options *options)
{
        options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
                                                MAX_KEY_SIZE, 0);
        if (options->cipher_xform.cipher.key.data == NULL)
                rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");


        options->auth_xform.auth.key.data = rte_malloc("auth key",
                                                MAX_KEY_SIZE, 0);
        if (options->auth_xform.auth.key.data == NULL)
                rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");

        options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
        if (options->iv.data == NULL)
                rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
        options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);

        options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
        if (options->aad.data == NULL)
                rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
        options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
}

int
main(int argc, char **argv)
{
        struct lcore_queue_conf *qconf;
        struct l2fwd_crypto_options options;

        uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
        unsigned lcore_id, rx_lcore_id;
        int ret, enabled_cdevcount, enabled_portcount;
        uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};

        /* init EAL */
        ret = rte_eal_init(argc, argv);
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
        argc -= ret;
        argv += ret;

        /* reserve memory for Cipher/Auth key and IV */
        reserve_key_memory(&options);

        /* fill out the supported algorithm tables */
        fill_supported_algorithm_tables();

        /* parse application arguments (after the EAL ones) */
        ret = l2fwd_crypto_parse_args(&options, argc, argv);
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");

        /* create the mbuf pool */
        l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
                        sizeof(struct rte_crypto_op),
                        RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
        if (l2fwd_pktmbuf_pool == NULL)
                rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");

        /* create crypto op pool */
        l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
                        RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
                        rte_socket_id());
        if (l2fwd_crypto_op_pool == NULL)
                rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");

        /* Enable Ethernet ports */
        enabled_portcount = initialize_ports(&options);
        if (enabled_portcount < 1)
                rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");

        nb_ports = rte_eth_dev_count();
        /* Initialize the port/queue configuration of each logical core */
        for (rx_lcore_id = 0, qconf = NULL, portid = 0;
                        portid < nb_ports; portid++) {

                /* skip ports that are not enabled */
                if ((options.portmask & (1 << portid)) == 0)
                        continue;

                if (options.single_lcore && qconf == NULL) {
                        while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
                                rx_lcore_id++;
                                if (rx_lcore_id >= RTE_MAX_LCORE)
                                        rte_exit(EXIT_FAILURE,
                                                        "Not enough cores\n");
                        }
                } else if (!options.single_lcore) {
                        /* get the lcore_id for this port */
                        while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
                               lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
                               options.nb_ports_per_lcore) {
                                rx_lcore_id++;
                                if (rx_lcore_id >= RTE_MAX_LCORE)
                                        rte_exit(EXIT_FAILURE,
                                                        "Not enough cores\n");
                        }
                }

                /* Assigned a new logical core in the loop above. */
                if (qconf != &lcore_queue_conf[rx_lcore_id])
                        qconf = &lcore_queue_conf[rx_lcore_id];

                qconf->rx_port_list[qconf->nb_rx_ports] = portid;
                qconf->nb_rx_ports++;

                printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
        }

        /* Enable Crypto devices */
        enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
                        enabled_cdevs);
        if (enabled_cdevcount < 0)
                rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");

        if (enabled_cdevcount < enabled_portcount)
                rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
                                "has to be more or equal to number of ports (%d)\n",
                                enabled_cdevcount, enabled_portcount);

        nb_cryptodevs = rte_cryptodev_count();

        /* Initialize the port/cryptodev configuration of each logical core */
        for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
                        cdev_id < nb_cryptodevs && enabled_cdevcount;
                        cdev_id++) {
                /* Crypto op not supported by crypto device */
                if (!enabled_cdevs[cdev_id])
                        continue;

                if (options.single_lcore && qconf == NULL) {
                        while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
                                rx_lcore_id++;
                                if (rx_lcore_id >= RTE_MAX_LCORE)
                                        rte_exit(EXIT_FAILURE,
                                                        "Not enough cores\n");
                        }
                } else if (!options.single_lcore) {
                        /* get the lcore_id for this port */
                        while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
                               lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
                               options.nb_ports_per_lcore) {
                                rx_lcore_id++;
                                if (rx_lcore_id >= RTE_MAX_LCORE)
                                        rte_exit(EXIT_FAILURE,
                                                        "Not enough cores\n");
                        }
                }

                /* Assigned a new logical core in the loop above. */
                if (qconf != &lcore_queue_conf[rx_lcore_id])
                        qconf = &lcore_queue_conf[rx_lcore_id];

                qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
                qconf->nb_crypto_devs++;

                enabled_cdevcount--;

                printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
                                (unsigned)cdev_id);
        }

        /* launch per-lcore init on every lcore */
        rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
                        CALL_MASTER);
        RTE_LCORE_FOREACH_SLAVE(lcore_id) {
                if (rte_eal_wait_lcore(lcore_id) < 0)
                        return -1;
        }

        return 0;
}