add subtree-ish sources for 12.0.3

[ceph.git] / ceph / src / dpdk / examples / ipsec-secgw / ipsec-secgw.c

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

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <string.h>
#include <sys/queue.h>
#include <stdarg.h>
#include <errno.h>
#include <getopt.h>

#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_log.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_pci.h>
#include <rte_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_acl.h>
#include <rte_lpm.h>
#include <rte_lpm6.h>
#include <rte_hash.h>
#include <rte_jhash.h>
#include <rte_cryptodev.h>

#include "ipsec.h"
#include "parser.h"

#define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1

#define MAX_JUMBO_PKT_LEN  9600

#define MEMPOOL_CACHE_SIZE 256

#define NB_MBUF (32000)

#define CDEV_QUEUE_DESC 2048
#define CDEV_MAP_ENTRIES 1024
#define CDEV_MP_NB_OBJS 2048
#define CDEV_MP_CACHE_SZ 64
#define MAX_QUEUE_PAIRS 1

#define OPTION_CONFIG           "config"
#define OPTION_SINGLE_SA        "single-sa"

#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */

#define NB_SOCKETS 4

/* Configure how many packets ahead to prefetch, when reading packets */
#define PREFETCH_OFFSET 3

#define MAX_RX_QUEUE_PER_LCORE 16

#define MAX_LCORE_PARAMS 1024

#define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid))

/*
 * Configurable number of RX/TX ring descriptors
 */
#define IPSEC_SECGW_RX_DESC_DEFAULT 128
#define IPSEC_SECGW_TX_DESC_DEFAULT 512
static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT;
static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT;

#if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN
#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
        (((uint64_t)((a) & 0xff) << 56) | \
        ((uint64_t)((b) & 0xff) << 48) | \
        ((uint64_t)((c) & 0xff) << 40) | \
        ((uint64_t)((d) & 0xff) << 32) | \
        ((uint64_t)((e) & 0xff) << 24) | \
        ((uint64_t)((f) & 0xff) << 16) | \
        ((uint64_t)((g) & 0xff) << 8)  | \
        ((uint64_t)(h) & 0xff))
#else
#define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
        (((uint64_t)((h) & 0xff) << 56) | \
        ((uint64_t)((g) & 0xff) << 48) | \
        ((uint64_t)((f) & 0xff) << 40) | \
        ((uint64_t)((e) & 0xff) << 32) | \
        ((uint64_t)((d) & 0xff) << 24) | \
        ((uint64_t)((c) & 0xff) << 16) | \
        ((uint64_t)((b) & 0xff) << 8) | \
        ((uint64_t)(a) & 0xff))
#endif
#define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0))

#define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \
                addr.addr_bytes[0], addr.addr_bytes[1], \
                addr.addr_bytes[2], addr.addr_bytes[3], \
                addr.addr_bytes[4], addr.addr_bytes[5], \
                0, 0)

/* port/source ethernet addr and destination ethernet addr */
struct ethaddr_info {
        uint64_t src, dst;
};

struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
        { 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) },
        { 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) },
        { 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) },
        { 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) }
};

/* mask of enabled ports */
static uint32_t enabled_port_mask;
static uint32_t unprotected_port_mask;
static int32_t promiscuous_on = 1;
static int32_t numa_on = 1; /**< NUMA is enabled by default. */
static uint32_t nb_lcores;
static uint32_t single_sa;
static uint32_t single_sa_idx;

struct lcore_rx_queue {
        uint8_t port_id;
        uint8_t queue_id;
} __rte_cache_aligned;

struct lcore_params {
        uint8_t port_id;
        uint8_t queue_id;
        uint8_t lcore_id;
} __rte_cache_aligned;

static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];

static struct lcore_params *lcore_params;
static uint16_t nb_lcore_params;

static struct rte_hash *cdev_map_in;
static struct rte_hash *cdev_map_out;

struct buffer {
        uint16_t len;
        struct rte_mbuf *m_table[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
};

struct lcore_conf {
        uint16_t nb_rx_queue;
        struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
        uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
        struct buffer tx_mbufs[RTE_MAX_ETHPORTS];
        struct ipsec_ctx inbound;
        struct ipsec_ctx outbound;
        struct rt_ctx *rt4_ctx;
        struct rt_ctx *rt6_ctx;
} __rte_cache_aligned;

static struct lcore_conf lcore_conf[RTE_MAX_LCORE];

static struct rte_eth_conf port_conf = {
        .rxmode = {
                .mq_mode        = ETH_MQ_RX_RSS,
                .max_rx_pkt_len = ETHER_MAX_LEN,
                .split_hdr_size = 0,
                .header_split   = 0, /**< Header Split disabled */
                .hw_ip_checksum = 1, /**< IP checksum offload enabled */
                .hw_vlan_filter = 0, /**< VLAN filtering disabled */
                .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
                .hw_strip_crc   = 0, /**< CRC stripped by hardware */
        },
        .rx_adv_conf = {
                .rss_conf = {
                        .rss_key = NULL,
                        .rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
                                ETH_RSS_TCP | ETH_RSS_SCTP,
                },
        },
        .txmode = {
                .mq_mode = ETH_MQ_TX_NONE,
        },
};

static struct socket_ctx socket_ctx[NB_SOCKETS];

struct traffic_type {
        const uint8_t *data[MAX_PKT_BURST * 2];
        struct rte_mbuf *pkts[MAX_PKT_BURST * 2];
        uint32_t res[MAX_PKT_BURST * 2];
        uint32_t num;
};

struct ipsec_traffic {
        struct traffic_type ipsec;
        struct traffic_type ip4;
        struct traffic_type ip6;
};

static inline void
prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t)
{
        uint8_t *nlp;
        struct ether_hdr *eth;

        eth = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
        if (eth->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
                nlp = (uint8_t *)rte_pktmbuf_adj(pkt, ETHER_HDR_LEN);
                nlp = RTE_PTR_ADD(nlp, offsetof(struct ip, ip_p));
                if (*nlp == IPPROTO_ESP)
                        t->ipsec.pkts[(t->ipsec.num)++] = pkt;
                else {
                        t->ip4.data[t->ip4.num] = nlp;
                        t->ip4.pkts[(t->ip4.num)++] = pkt;
                }
        } else if (eth->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) {
                nlp = (uint8_t *)rte_pktmbuf_adj(pkt, ETHER_HDR_LEN);
                nlp = RTE_PTR_ADD(nlp, offsetof(struct ip6_hdr, ip6_nxt));
                if (*nlp == IPPROTO_ESP)
                        t->ipsec.pkts[(t->ipsec.num)++] = pkt;
                else {
                        t->ip6.data[t->ip6.num] = nlp;
                        t->ip6.pkts[(t->ip6.num)++] = pkt;
                }
        } else {
                /* Unknown/Unsupported type, drop the packet */
                RTE_LOG(ERR, IPSEC, "Unsupported packet type\n");
                rte_pktmbuf_free(pkt);
        }
}

static inline void
prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t,
                uint16_t nb_pkts)
{
        int32_t i;

        t->ipsec.num = 0;
        t->ip4.num = 0;
        t->ip6.num = 0;

        for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) {
                rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET],
                                        void *));
                prepare_one_packet(pkts[i], t);
        }
        /* Process left packets */
        for (; i < nb_pkts; i++)
                prepare_one_packet(pkts[i], t);
}

static inline void
prepare_tx_pkt(struct rte_mbuf *pkt, uint8_t port)
{
        struct ip *ip;
        struct ether_hdr *ethhdr;

        ip = rte_pktmbuf_mtod(pkt, struct ip *);

        ethhdr = (struct ether_hdr *)rte_pktmbuf_prepend(pkt, ETHER_HDR_LEN);

        if (ip->ip_v == IPVERSION) {
                pkt->ol_flags |= PKT_TX_IP_CKSUM | PKT_TX_IPV4;
                pkt->l3_len = sizeof(struct ip);
                pkt->l2_len = ETHER_HDR_LEN;

                ethhdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
        } else {
                pkt->ol_flags |= PKT_TX_IPV6;
                pkt->l3_len = sizeof(struct ip6_hdr);
                pkt->l2_len = ETHER_HDR_LEN;

                ethhdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
        }

        memcpy(&ethhdr->s_addr, &ethaddr_tbl[port].src,
                        sizeof(struct ether_addr));
        memcpy(&ethhdr->d_addr, &ethaddr_tbl[port].dst,
                        sizeof(struct ether_addr));
}

static inline void
prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint8_t port)
{
        int32_t i;
        const int32_t prefetch_offset = 2;

        for (i = 0; i < (nb_pkts - prefetch_offset); i++) {
                rte_mbuf_prefetch_part2(pkts[i + prefetch_offset]);
                prepare_tx_pkt(pkts[i], port);
        }
        /* Process left packets */
        for (; i < nb_pkts; i++)
                prepare_tx_pkt(pkts[i], port);
}

/* Send burst of packets on an output interface */
static inline int32_t
send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
{
        struct rte_mbuf **m_table;
        int32_t ret;
        uint16_t queueid;

        queueid = qconf->tx_queue_id[port];
        m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;

        prepare_tx_burst(m_table, n, port);

        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 int32_t
send_single_packet(struct rte_mbuf *m, uint8_t port)
{
        uint32_t lcore_id;
        uint16_t len;
        struct lcore_conf *qconf;

        lcore_id = rte_lcore_id();

        qconf = &lcore_conf[lcore_id];
        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;
}

static inline void
inbound_sp_sa(struct sp_ctx *sp, struct sa_ctx *sa, struct traffic_type *ip,
                uint16_t lim)
{
        struct rte_mbuf *m;
        uint32_t i, j, res, sa_idx;

        if (ip->num == 0 || sp == NULL)
                return;

        rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
                        ip->num, DEFAULT_MAX_CATEGORIES);

        j = 0;
        for (i = 0; i < ip->num; i++) {
                m = ip->pkts[i];
                res = ip->res[i];
                if (res & BYPASS) {
                        ip->pkts[j++] = m;
                        continue;
                }
                if (res & DISCARD || i < lim) {
                        rte_pktmbuf_free(m);
                        continue;
                }
                /* Only check SPI match for processed IPSec packets */
                sa_idx = ip->res[i] & PROTECT_MASK;
                if (sa_idx == 0 || !inbound_sa_check(sa, m, sa_idx)) {
                        rte_pktmbuf_free(m);
                        continue;
                }
                ip->pkts[j++] = m;
        }
        ip->num = j;
}

static inline void
process_pkts_inbound(struct ipsec_ctx *ipsec_ctx,
                struct ipsec_traffic *traffic)
{
        struct rte_mbuf *m;
        uint16_t idx, nb_pkts_in, i, n_ip4, n_ip6;

        nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
                        traffic->ipsec.num, MAX_PKT_BURST);

        n_ip4 = traffic->ip4.num;
        n_ip6 = traffic->ip6.num;

        /* SP/ACL Inbound check ipsec and ip4 */
        for (i = 0; i < nb_pkts_in; i++) {
                m = traffic->ipsec.pkts[i];
                struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
                if (ip->ip_v == IPVERSION) {
                        idx = traffic->ip4.num++;
                        traffic->ip4.pkts[idx] = m;
                        traffic->ip4.data[idx] = rte_pktmbuf_mtod_offset(m,
                                        uint8_t *, offsetof(struct ip, ip_p));
                } else if (ip->ip_v == IP6_VERSION) {
                        idx = traffic->ip6.num++;
                        traffic->ip6.pkts[idx] = m;
                        traffic->ip6.data[idx] = rte_pktmbuf_mtod_offset(m,
                                        uint8_t *,
                                        offsetof(struct ip6_hdr, ip6_nxt));
                } else
                        rte_pktmbuf_free(m);
        }

        inbound_sp_sa(ipsec_ctx->sp4_ctx, ipsec_ctx->sa_ctx, &traffic->ip4,
                        n_ip4);

        inbound_sp_sa(ipsec_ctx->sp6_ctx, ipsec_ctx->sa_ctx, &traffic->ip6,
                        n_ip6);
}

static inline void
outbound_sp(struct sp_ctx *sp, struct traffic_type *ip,
                struct traffic_type *ipsec)
{
        struct rte_mbuf *m;
        uint32_t i, j, sa_idx;

        if (ip->num == 0 || sp == NULL)
                return;

        rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
                        ip->num, DEFAULT_MAX_CATEGORIES);

        j = 0;
        for (i = 0; i < ip->num; i++) {
                m = ip->pkts[i];
                sa_idx = ip->res[i] & PROTECT_MASK;
                if ((ip->res[i] == 0) || (ip->res[i] & DISCARD))
                        rte_pktmbuf_free(m);
                else if (sa_idx != 0) {
                        ipsec->res[ipsec->num] = sa_idx;
                        ipsec->pkts[ipsec->num++] = m;
                } else /* BYPASS */
                        ip->pkts[j++] = m;
        }
        ip->num = j;
}

static inline void
process_pkts_outbound(struct ipsec_ctx *ipsec_ctx,
                struct ipsec_traffic *traffic)
{
        struct rte_mbuf *m;
        uint16_t idx, nb_pkts_out, i;

        /* Drop any IPsec traffic from protected ports */
        for (i = 0; i < traffic->ipsec.num; i++)
                rte_pktmbuf_free(traffic->ipsec.pkts[i]);

        traffic->ipsec.num = 0;

        outbound_sp(ipsec_ctx->sp4_ctx, &traffic->ip4, &traffic->ipsec);

        outbound_sp(ipsec_ctx->sp6_ctx, &traffic->ip6, &traffic->ipsec);

        nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
                        traffic->ipsec.res, traffic->ipsec.num,
                        MAX_PKT_BURST);

        for (i = 0; i < nb_pkts_out; i++) {
                m = traffic->ipsec.pkts[i];
                struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
                if (ip->ip_v == IPVERSION) {
                        idx = traffic->ip4.num++;
                        traffic->ip4.pkts[idx] = m;
                } else {
                        idx = traffic->ip6.num++;
                        traffic->ip6.pkts[idx] = m;
                }
        }
}

static inline void
process_pkts_inbound_nosp(struct ipsec_ctx *ipsec_ctx,
                struct ipsec_traffic *traffic)
{
        struct rte_mbuf *m;
        uint32_t nb_pkts_in, i, idx;

        /* Drop any IPv4 traffic from unprotected ports */
        for (i = 0; i < traffic->ip4.num; i++)
                rte_pktmbuf_free(traffic->ip4.pkts[i]);

        traffic->ip4.num = 0;

        /* Drop any IPv6 traffic from unprotected ports */
        for (i = 0; i < traffic->ip6.num; i++)
                rte_pktmbuf_free(traffic->ip6.pkts[i]);

        traffic->ip6.num = 0;

        nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
                        traffic->ipsec.num, MAX_PKT_BURST);

        for (i = 0; i < nb_pkts_in; i++) {
                m = traffic->ipsec.pkts[i];
                struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
                if (ip->ip_v == IPVERSION) {
                        idx = traffic->ip4.num++;
                        traffic->ip4.pkts[idx] = m;
                } else {
                        idx = traffic->ip6.num++;
                        traffic->ip6.pkts[idx] = m;
                }
        }
}

static inline void
process_pkts_outbound_nosp(struct ipsec_ctx *ipsec_ctx,
                struct ipsec_traffic *traffic)
{
        struct rte_mbuf *m;
        uint32_t nb_pkts_out, i;
        struct ip *ip;

        /* Drop any IPsec traffic from protected ports */
        for (i = 0; i < traffic->ipsec.num; i++)
                rte_pktmbuf_free(traffic->ipsec.pkts[i]);

        traffic->ipsec.num = 0;

        for (i = 0; i < traffic->ip4.num; i++)
                traffic->ip4.res[i] = single_sa_idx;

        for (i = 0; i < traffic->ip6.num; i++)
                traffic->ip6.res[i] = single_sa_idx;

        nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ip4.pkts,
                        traffic->ip4.res, traffic->ip4.num,
                        MAX_PKT_BURST);

        /* They all sue the same SA (ip4 or ip6 tunnel) */
        m = traffic->ipsec.pkts[i];
        ip = rte_pktmbuf_mtod(m, struct ip *);
        if (ip->ip_v == IPVERSION)
                traffic->ip4.num = nb_pkts_out;
        else
                traffic->ip6.num = nb_pkts_out;
}

static inline void
route4_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
{
        uint32_t hop[MAX_PKT_BURST * 2];
        uint32_t dst_ip[MAX_PKT_BURST * 2];
        uint16_t i, offset;

        if (nb_pkts == 0)
                return;

        for (i = 0; i < nb_pkts; i++) {
                offset = offsetof(struct ip, ip_dst);
                dst_ip[i] = *rte_pktmbuf_mtod_offset(pkts[i],
                                uint32_t *, offset);
                dst_ip[i] = rte_be_to_cpu_32(dst_ip[i]);
        }

        rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, nb_pkts);

        for (i = 0; i < nb_pkts; i++) {
                if ((hop[i] & RTE_LPM_LOOKUP_SUCCESS) == 0) {
                        rte_pktmbuf_free(pkts[i]);
                        continue;
                }
                send_single_packet(pkts[i], hop[i] & 0xff);
        }
}

static inline void
route6_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
{
        int16_t hop[MAX_PKT_BURST * 2];
        uint8_t dst_ip[MAX_PKT_BURST * 2][16];
        uint8_t *ip6_dst;
        uint16_t i, offset;

        if (nb_pkts == 0)
                return;

        for (i = 0; i < nb_pkts; i++) {
                offset = offsetof(struct ip6_hdr, ip6_dst);
                ip6_dst = rte_pktmbuf_mtod_offset(pkts[i], uint8_t *, offset);
                memcpy(&dst_ip[i][0], ip6_dst, 16);
        }

        rte_lpm6_lookup_bulk_func((struct rte_lpm6 *)rt_ctx, dst_ip,
                        hop, nb_pkts);

        for (i = 0; i < nb_pkts; i++) {
                if (hop[i] == -1) {
                        rte_pktmbuf_free(pkts[i]);
                        continue;
                }
                send_single_packet(pkts[i], hop[i] & 0xff);
        }
}

static inline void
process_pkts(struct lcore_conf *qconf, struct rte_mbuf **pkts,
                uint8_t nb_pkts, uint8_t portid)
{
        struct ipsec_traffic traffic;

        prepare_traffic(pkts, &traffic, nb_pkts);

        if (unlikely(single_sa)) {
                if (UNPROTECTED_PORT(portid))
                        process_pkts_inbound_nosp(&qconf->inbound, &traffic);
                else
                        process_pkts_outbound_nosp(&qconf->outbound, &traffic);
        } else {
                if (UNPROTECTED_PORT(portid))
                        process_pkts_inbound(&qconf->inbound, &traffic);
                else
                        process_pkts_outbound(&qconf->outbound, &traffic);
        }

        route4_pkts(qconf->rt4_ctx, traffic.ip4.pkts, traffic.ip4.num);
        route6_pkts(qconf->rt6_ctx, traffic.ip6.pkts, traffic.ip6.num);
}

static inline void
drain_buffers(struct lcore_conf *qconf)
{
        struct buffer *buf;
        uint32_t portid;

        for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
                buf = &qconf->tx_mbufs[portid];
                if (buf->len == 0)
                        continue;
                send_burst(qconf, buf->len, portid);
                buf->len = 0;
        }
}

/* main processing loop */
static int32_t
main_loop(__attribute__((unused)) void *dummy)
{
        struct rte_mbuf *pkts[MAX_PKT_BURST];
        uint32_t lcore_id;
        uint64_t prev_tsc, diff_tsc, cur_tsc;
        int32_t i, nb_rx;
        uint8_t portid, queueid;
        struct lcore_conf *qconf;
        int32_t socket_id;
        const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
                        / US_PER_S * BURST_TX_DRAIN_US;
        struct lcore_rx_queue *rxql;

        prev_tsc = 0;
        lcore_id = rte_lcore_id();
        qconf = &lcore_conf[lcore_id];
        rxql = qconf->rx_queue_list;
        socket_id = rte_lcore_to_socket_id(lcore_id);

        qconf->rt4_ctx = socket_ctx[socket_id].rt_ip4;
        qconf->rt6_ctx = socket_ctx[socket_id].rt_ip6;
        qconf->inbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_in;
        qconf->inbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_in;
        qconf->inbound.sa_ctx = socket_ctx[socket_id].sa_in;
        qconf->inbound.cdev_map = cdev_map_in;
        qconf->outbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_out;
        qconf->outbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_out;
        qconf->outbound.sa_ctx = socket_ctx[socket_id].sa_out;
        qconf->outbound.cdev_map = cdev_map_out;

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

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

        for (i = 0; i < qconf->nb_rx_queue; i++) {
                portid = rxql[i].port_id;
                queueid = rxql[i].queue_id;
                RTE_LOG(INFO, IPSEC,
                        " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
                        lcore_id, portid, queueid);
        }

        while (1) {
                cur_tsc = rte_rdtsc();

                /* TX queue buffer drain */
                diff_tsc = cur_tsc - prev_tsc;

                if (unlikely(diff_tsc > drain_tsc)) {
                        drain_buffers(qconf);
                        prev_tsc = cur_tsc;
                }

                /* Read packet from RX queues */
                for (i = 0; i < qconf->nb_rx_queue; ++i) {
                        portid = rxql[i].port_id;
                        queueid = rxql[i].queue_id;
                        nb_rx = rte_eth_rx_burst(portid, queueid,
                                        pkts, MAX_PKT_BURST);

                        if (nb_rx > 0)
                                process_pkts(qconf, pkts, nb_rx, portid);
                }
        }
}

static int32_t
check_params(void)
{
        uint8_t lcore, portid, nb_ports;
        uint16_t i;
        int32_t socket_id;

        if (lcore_params == NULL) {
                printf("Error: No port/queue/core mappings\n");
                return -1;
        }

        nb_ports = rte_eth_dev_count();

        for (i = 0; i < nb_lcore_params; ++i) {
                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;
                }
                socket_id = rte_lcore_to_socket_id(lcore);
                if (socket_id != 0 && numa_on == 0) {
                        printf("warning: lcore %hhu is on socket %d "
                                "with numa off\n",
                                lcore, socket_id);
                }
                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 (portid >= nb_ports) {
                        printf("port %u is not present on the board\n", portid);
                        return -1;
                }
        }
        return 0;
}

static uint8_t
get_port_nb_rx_queues(const uint8_t port)
{
        int32_t queue = -1;
        uint16_t i;

        for (i = 0; i < nb_lcore_params; ++i) {
                if (lcore_params[i].port_id == port &&
                                lcore_params[i].queue_id > queue)
                        queue = lcore_params[i].queue_id;
        }
        return (uint8_t)(++queue);
}

static int32_t
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].nb_rx_queue;
                if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
                        printf("error: too many queues (%u) for lcore: %u\n",
                                        nb_rx_queue + 1, 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].nb_rx_queue++;
        }
        return 0;
}

/* display usage */
static void
print_usage(const char *prgname)
{
        printf("%s [EAL options] -- -p PORTMASK -P -u PORTMASK"
                "  --"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]"
                " --single-sa SAIDX -f CONFIG_FILE\n"
                "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
                "  -P : enable promiscuous mode\n"
                "  -u PORTMASK: hexadecimal bitmask of unprotected ports\n"
                "  --"OPTION_CONFIG": (port,queue,lcore): "
                "rx queues configuration\n"
                "  --single-sa SAIDX: use single SA index for outbound, "
                "bypassing the SP\n"
                "  -f CONFIG_FILE: Configuration file path\n",
                prgname);
}

static int32_t
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) && errno)
                return -1;

        return pm;
}

static int32_t
parse_decimal(const char *str)
{
        char *end = NULL;
        unsigned long num;

        num = strtoul(str, &end, 10);
        if ((str[0] == '\0') || (end == NULL) || (*end != '\0'))
                return -1;

        return num;
}

static int32_t
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,
                _NUM_FLD
        };
        unsigned long int_fld[_NUM_FLD];
        char *str_fld[_NUM_FLD];
        int32_t i;
        uint32_t 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];
                ++nb_lcore_params;
        }
        lcore_params = lcore_params_array;
        return 0;
}

#define __STRNCMP(name, opt) (!strncmp(name, opt, sizeof(opt)))
static int32_t
parse_args_long_options(struct option *lgopts, int32_t option_index)
{
        int32_t ret = -1;
        const char *optname = lgopts[option_index].name;

        if (__STRNCMP(optname, OPTION_CONFIG)) {
                ret = parse_config(optarg);
                if (ret)
                        printf("invalid config\n");
        }

        if (__STRNCMP(optname, OPTION_SINGLE_SA)) {
                ret = parse_decimal(optarg);
                if (ret != -1) {
                        single_sa = 1;
                        single_sa_idx = ret;
                        printf("Configured with single SA index %u\n",
                                        single_sa_idx);
                        ret = 0;
                }
        }

        return ret;
}
#undef __STRNCMP

static int32_t
parse_args(int32_t argc, char **argv)
{
        int32_t opt, ret;
        char **argvopt;
        int32_t option_index;
        char *prgname = argv[0];
        static struct option lgopts[] = {
                {OPTION_CONFIG, 1, 0, 0},
                {OPTION_SINGLE_SA, 1, 0, 0},
                {NULL, 0, 0, 0}
        };
        int32_t f_present = 0;

        argvopt = argv;

        while ((opt = getopt_long(argc, argvopt, "p:Pu:f:",
                                lgopts, &option_index)) != EOF) {

                switch (opt) {
                case 'p':
                        enabled_port_mask = parse_portmask(optarg);
                        if (enabled_port_mask == 0) {
                                printf("invalid portmask\n");
                                print_usage(prgname);
                                return -1;
                        }
                        break;
                case 'P':
                        printf("Promiscuous mode selected\n");
                        promiscuous_on = 1;
                        break;
                case 'u':
                        unprotected_port_mask = parse_portmask(optarg);
                        if (unprotected_port_mask == 0) {
                                printf("invalid unprotected portmask\n");
                                print_usage(prgname);
                                return -1;
                        }
                        break;
                case 'f':
                        if (f_present == 1) {
                                printf("\"-f\" option present more than "
                                        "once!\n");
                                print_usage(prgname);
                                return -1;
                        }
                        if (parse_cfg_file(optarg) < 0) {
                                printf("parsing file \"%s\" failed\n",
                                        optarg);
                                print_usage(prgname);
                                return -1;
                        }
                        f_present = 1;
                        break;
                case 0:
                        if (parse_args_long_options(lgopts, option_index)) {
                                print_usage(prgname);
                                return -1;
                        }
                        break;
                default:
                        print_usage(prgname);
                        return -1;
                }
        }

        if (f_present == 0) {
                printf("Mandatory option \"-f\" not present\n");
                return -1;
        }

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

        ret = optind-1;
        optind = 0; /* reset getopt lib */
        return ret;
}

static void
print_ethaddr(const char *name, const struct ether_addr *eth_addr)
{
        char buf[ETHER_ADDR_FMT_SIZE];
        ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
        printf("%s%s", name, buf);
}

/* 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,
                                                (uint32_t)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");
                }
        }
}

static int32_t
add_mapping(struct rte_hash *map, const char *str, uint16_t cdev_id,
                uint16_t qp, struct lcore_params *params,
                struct ipsec_ctx *ipsec_ctx,
                const struct rte_cryptodev_capabilities *cipher,
                const struct rte_cryptodev_capabilities *auth)
{
        int32_t ret = 0;
        unsigned long i;
        struct cdev_key key = { 0 };

        key.lcore_id = params->lcore_id;
        if (cipher)
                key.cipher_algo = cipher->sym.cipher.algo;
        if (auth)
                key.auth_algo = auth->sym.auth.algo;

        ret = rte_hash_lookup(map, &key);
        if (ret != -ENOENT)
                return 0;

        for (i = 0; i < ipsec_ctx->nb_qps; i++)
                if (ipsec_ctx->tbl[i].id == cdev_id)
                        break;

        if (i == ipsec_ctx->nb_qps) {
                if (ipsec_ctx->nb_qps == MAX_QP_PER_LCORE) {
                        printf("Maximum number of crypto devices assigned to "
                                "a core, increase MAX_QP_PER_LCORE value\n");
                        return 0;
                }
                ipsec_ctx->tbl[i].id = cdev_id;
                ipsec_ctx->tbl[i].qp = qp;
                ipsec_ctx->nb_qps++;
                printf("%s cdev mapping: lcore %u using cdev %u qp %u "
                                "(cdev_id_qp %lu)\n", str, key.lcore_id,
                                cdev_id, qp, i);
        }

        ret = rte_hash_add_key_data(map, &key, (void *)i);
        if (ret < 0) {
                printf("Faled to insert cdev mapping for (lcore %u, "
                                "cdev %u, qp %u), errno %d\n",
                                key.lcore_id, ipsec_ctx->tbl[i].id,
                                ipsec_ctx->tbl[i].qp, ret);
                return 0;
        }

        return 1;
}

static int32_t
add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id,
                uint16_t qp, struct lcore_params *params)
{
        int32_t ret = 0;
        const struct rte_cryptodev_capabilities *i, *j;
        struct rte_hash *map;
        struct lcore_conf *qconf;
        struct ipsec_ctx *ipsec_ctx;
        const char *str;

        qconf = &lcore_conf[params->lcore_id];

        if ((unprotected_port_mask & (1 << params->port_id)) == 0) {
                map = cdev_map_out;
                ipsec_ctx = &qconf->outbound;
                str = "Outbound";
        } else {
                map = cdev_map_in;
                ipsec_ctx = &qconf->inbound;
                str = "Inbound";
        }

        /* Required cryptodevs with operation chainning */
        if (!(dev_info->feature_flags &
                                RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
                return ret;

        for (i = dev_info->capabilities;
                        i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) {
                if (i->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
                        continue;

                if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
                        continue;

                for (j = dev_info->capabilities;
                                j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; j++) {
                        if (j->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
                                continue;

                        if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
                                continue;

                        ret |= add_mapping(map, str, cdev_id, qp, params,
                                        ipsec_ctx, i, j);
                }
        }

        return ret;
}

static int32_t
cryptodevs_init(void)
{
        struct rte_cryptodev_config dev_conf;
        struct rte_cryptodev_qp_conf qp_conf;
        uint16_t idx, max_nb_qps, qp, i;
        int16_t cdev_id;
        struct rte_hash_parameters params = { 0 };

        params.entries = CDEV_MAP_ENTRIES;
        params.key_len = sizeof(struct cdev_key);
        params.hash_func = rte_jhash;
        params.hash_func_init_val = 0;
        params.socket_id = rte_socket_id();

        params.name = "cdev_map_in";
        cdev_map_in = rte_hash_create(&params);
        if (cdev_map_in == NULL)
                rte_panic("Failed to create cdev_map hash table, errno = %d\n",
                                rte_errno);

        params.name = "cdev_map_out";
        cdev_map_out = rte_hash_create(&params);
        if (cdev_map_out == NULL)
                rte_panic("Failed to create cdev_map hash table, errno = %d\n",
                                rte_errno);

        printf("lcore/cryptodev/qp mappings:\n");

        idx = 0;
        /* Start from last cdev id to give HW priority */
        for (cdev_id = rte_cryptodev_count() - 1; cdev_id >= 0; cdev_id--) {
                struct rte_cryptodev_info cdev_info;

                rte_cryptodev_info_get(cdev_id, &cdev_info);

                if (nb_lcore_params > cdev_info.max_nb_queue_pairs)
                        max_nb_qps = cdev_info.max_nb_queue_pairs;
                else
                        max_nb_qps = nb_lcore_params;

                qp = 0;
                i = 0;
                while (qp < max_nb_qps && i < nb_lcore_params) {
                        if (add_cdev_mapping(&cdev_info, cdev_id, qp,
                                                &lcore_params[idx]))
                                qp++;
                        idx++;
                        idx = idx % nb_lcore_params;
                        i++;
                }

                if (qp == 0)
                        continue;

                dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id);
                dev_conf.nb_queue_pairs = qp;
                dev_conf.session_mp.nb_objs = CDEV_MP_NB_OBJS;
                dev_conf.session_mp.cache_size = CDEV_MP_CACHE_SZ;

                if (rte_cryptodev_configure(cdev_id, &dev_conf))
                        rte_panic("Failed to initialize crypodev %u\n",
                                        cdev_id);

                qp_conf.nb_descriptors = CDEV_QUEUE_DESC;
                for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++)
                        if (rte_cryptodev_queue_pair_setup(cdev_id, qp,
                                                &qp_conf, dev_conf.socket_id))
                                rte_panic("Failed to setup queue %u for "
                                                "cdev_id %u\n", 0, cdev_id);

                if (rte_cryptodev_start(cdev_id))
                        rte_panic("Failed to start cryptodev %u\n",
                                        cdev_id);
        }

        printf("\n");

        return 0;
}

static void
port_init(uint8_t portid)
{
        struct rte_eth_dev_info dev_info;
        struct rte_eth_txconf *txconf;
        uint16_t nb_tx_queue, nb_rx_queue;
        uint16_t tx_queueid, rx_queueid, queue, lcore_id;
        int32_t ret, socket_id;
        struct lcore_conf *qconf;
        struct ether_addr ethaddr;

        rte_eth_dev_info_get(portid, &dev_info);

        printf("Configuring device port %u:\n", portid);

        rte_eth_macaddr_get(portid, &ethaddr);
        ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(ethaddr);
        print_ethaddr("Address: ", &ethaddr);
        printf("\n");

        nb_rx_queue = get_port_nb_rx_queues(portid);
        nb_tx_queue = nb_lcores;

        if (nb_rx_queue > dev_info.max_rx_queues)
                rte_exit(EXIT_FAILURE, "Error: queue %u not available "
                                "(max rx queue is %u)\n",
                                nb_rx_queue, dev_info.max_rx_queues);

        if (nb_tx_queue > dev_info.max_tx_queues)
                rte_exit(EXIT_FAILURE, "Error: queue %u not available "
                                "(max tx queue is %u)\n",
                                nb_tx_queue, dev_info.max_tx_queues);

        printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n",
                        nb_rx_queue, nb_tx_queue);

        ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue,
                        &port_conf);
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Cannot configure device: "
                                "err=%d, port=%d\n", ret, portid);

        /* init one TX queue per lcore */
        tx_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)
                        socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
                else
                        socket_id = 0;

                /* init TX queue */
                printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id);

                txconf = &dev_info.default_txconf;
                txconf->txq_flags = 0;

                ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
                                socket_id, 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] = tx_queueid;
                tx_queueid++;

                /* init RX queues */
                for (queue = 0; queue < qconf->nb_rx_queue; ++queue) {
                        if (portid != qconf->rx_queue_list[queue].port_id)
                                continue;

                        rx_queueid = qconf->rx_queue_list[queue].queue_id;

                        printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid,
                                        socket_id);

                        ret = rte_eth_rx_queue_setup(portid, rx_queueid,
                                        nb_rxd, socket_id, NULL,
                                        socket_ctx[socket_id].mbuf_pool);
                        if (ret < 0)
                                rte_exit(EXIT_FAILURE,
                                        "rte_eth_rx_queue_setup: err=%d, "
                                        "port=%d\n", ret, portid);
                }
        }
        printf("\n");
}

static void
pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t nb_mbuf)
{
        char s[64];

        snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id);
        ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf,
                        MEMPOOL_CACHE_SIZE, ipsec_metadata_size(),
                        RTE_MBUF_DEFAULT_BUF_SIZE,
                        socket_id);
        if (ctx->mbuf_pool == NULL)
                rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n",
                                socket_id);
        else
                printf("Allocated mbuf pool on socket %d\n", socket_id);
}

int32_t
main(int32_t argc, char **argv)
{
        int32_t ret;
        uint32_t lcore_id, nb_ports;
        uint8_t portid, socket_id;

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

        /* parse application arguments (after the EAL ones) */
        ret = parse_args(argc, argv);
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Invalid parameters\n");

        if ((unprotected_port_mask & enabled_port_mask) !=
                        unprotected_port_mask)
                rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n",
                                unprotected_port_mask);

        nb_ports = rte_eth_dev_count();

        if (check_params() < 0)
                rte_exit(EXIT_FAILURE, "check_params failed\n");

        ret = init_lcore_rx_queues();
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");

        nb_lcores = rte_lcore_count();

        /* Replicate each contex per socket */
        for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
                if (rte_lcore_is_enabled(lcore_id) == 0)
                        continue;

                if (numa_on)
                        socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
                else
                        socket_id = 0;

                if (socket_ctx[socket_id].mbuf_pool)
                        continue;

                sa_init(&socket_ctx[socket_id], socket_id);

                sp4_init(&socket_ctx[socket_id], socket_id);

                sp6_init(&socket_ctx[socket_id], socket_id);

                rt_init(&socket_ctx[socket_id], socket_id);

                pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
        }

        for (portid = 0; portid < nb_ports; portid++) {
                if ((enabled_port_mask & (1 << portid)) == 0)
                        continue;

                port_init(portid);
        }

        cryptodevs_init();

        /* start ports */
        for (portid = 0; portid < nb_ports; 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)
                        rte_eth_promiscuous_enable(portid);
        }

        check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);

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

        return 0;
}