examples/l3fwd-power/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44 #include <unistd.h>
  45 #include <signal.h>
  46
  47 #include <rte_common.h>
  48 #include <rte_byteorder.h>
  49 #include <rte_log.h>
  50 #include <rte_memory.h>
  51 #include <rte_memcpy.h>
  52 #include <rte_memzone.h>
  53 #include <rte_eal.h>
  54 #include <rte_per_lcore.h>
  55 #include <rte_launch.h>
  56 #include <rte_atomic.h>
  57 #include <rte_cycles.h>
  58 #include <rte_prefetch.h>
  59 #include <rte_lcore.h>
  60 #include <rte_per_lcore.h>
  61 #include <rte_branch_prediction.h>
  62 #include <rte_interrupts.h>
  63 #include <rte_pci.h>
  64 #include <rte_random.h>
  65 #include <rte_debug.h>
  66 #include <rte_ether.h>
  67 #include <rte_ethdev.h>
  68 #include <rte_ring.h>
  69 #include <rte_mempool.h>
  70 #include <rte_mbuf.h>
  71 #include <rte_ip.h>
  72 #include <rte_tcp.h>
  73 #include <rte_udp.h>
  74 #include <rte_string_fns.h>
  75 #include <rte_timer.h>
  76 #include <rte_power.h>
  77 #include <rte_eal.h>
  78 #include <rte_spinlock.h>
  79
  80 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
  81
  82 #define MAX_PKT_BURST 32
  83
  84 #define MIN_ZERO_POLL_COUNT 10
  85
  86 /* around 100ms at 2 Ghz */
  87 #define TIMER_RESOLUTION_CYCLES           200000000ULL
  88 /* 100 ms interval */
  89 #define TIMER_NUMBER_PER_SECOND           10
  90 /* 100000 us */
  91 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
  92 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
  93
  94 #define APP_LOOKUP_EXACT_MATCH          0
  95 #define APP_LOOKUP_LPM                  1
  96 #define DO_RFC_1812_CHECKS
  97
  98 #ifndef APP_LOOKUP_METHOD
  99 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
 100 #endif
 101
 102 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 103 #include <rte_hash.h>
 104 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 105 #include <rte_lpm.h>
 106 #else
 107 #error "APP_LOOKUP_METHOD set to incorrect value"
 108 #endif
 109
 110 #ifndef IPv6_BYTES
 111 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
 112                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
 113 #define IPv6_BYTES(addr) \
 114         addr[0],  addr[1], addr[2],  addr[3], \
 115         addr[4],  addr[5], addr[6],  addr[7], \
 116         addr[8],  addr[9], addr[10], addr[11],\
 117         addr[12], addr[13],addr[14], addr[15]
 118 #endif
 119
 120 #define MAX_JUMBO_PKT_LEN  9600
 121
 122 #define IPV6_ADDR_LEN 16
 123
 124 #define MEMPOOL_CACHE_SIZE 256
 125
 126 /*
 127  * This expression is used to calculate the number of mbufs needed depending on
 128  * user input, taking into account memory for rx and tx hardware rings, cache
 129  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
 130  * NB_MBUF never goes below a minimum value of 8192.
 131  */
 132
 133 #define NB_MBUF RTE_MAX ( \
 134         (nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
 135         nb_ports*nb_lcores*MAX_PKT_BURST + \
 136         nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
 137         nb_lcores*MEMPOOL_CACHE_SIZE), \
 138         (unsigned)8192)
 139
 140 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 141
 142 #define NB_SOCKETS 8
 143
 144 /* Configure how many packets ahead to prefetch, when reading packets */
 145 #define PREFETCH_OFFSET 3
 146
 147 /*
 148  * Configurable number of RX/TX ring descriptors
 149  */
 150 #define RTE_TEST_RX_DESC_DEFAULT 128
 151 #define RTE_TEST_TX_DESC_DEFAULT 512
 152 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 153 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 154
 155 /* ethernet addresses of ports */
 156 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 157
 158 /* ethernet addresses of ports */
 159 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
 160
 161 /* mask of enabled ports */
 162 static uint32_t enabled_port_mask = 0;
 163 /* Ports set in promiscuous mode off by default. */
 164 static int promiscuous_on = 0;
 165 /* NUMA is enabled by default. */
 166 static int numa_on = 1;
 167
 168 enum freq_scale_hint_t
 169 {
 170         FREQ_LOWER    =      -1,
 171         FREQ_CURRENT  =       0,
 172         FREQ_HIGHER   =       1,
 173         FREQ_HIGHEST  =       2
 174 };
 175
 176 struct mbuf_table {
 177         uint16_t len;
 178         struct rte_mbuf *m_table[MAX_PKT_BURST];
 179 };
 180
 181 struct lcore_rx_queue {
 182         uint8_t port_id;
 183         uint8_t queue_id;
 184         enum freq_scale_hint_t freq_up_hint;
 185         uint32_t zero_rx_packet_count;
 186         uint32_t idle_hint;
 187 } __rte_cache_aligned;
 188
 189 #define MAX_RX_QUEUE_PER_LCORE 16
 190 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 191 #define MAX_RX_QUEUE_PER_PORT 128
 192
 193 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
 194
 195
 196 #define MAX_LCORE_PARAMS 1024
 197 struct lcore_params {
 198         uint8_t port_id;
 199         uint8_t queue_id;
 200         uint8_t lcore_id;
 201 } __rte_cache_aligned;
 202
 203 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 204 static struct lcore_params lcore_params_array_default[] = {
 205         {0, 0, 2},
 206         {0, 1, 2},
 207         {0, 2, 2},
 208         {1, 0, 2},
 209         {1, 1, 2},
 210         {1, 2, 2},
 211         {2, 0, 2},
 212         {3, 0, 3},
 213         {3, 1, 3},
 214 };
 215
 216 static struct lcore_params * lcore_params = lcore_params_array_default;
 217 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 218                                 sizeof(lcore_params_array_default[0]);
 219
 220 static struct rte_eth_conf port_conf = {
 221         .rxmode = {
 222                 .mq_mode        = ETH_MQ_RX_RSS,
 223                 .max_rx_pkt_len = ETHER_MAX_LEN,
 224                 .split_hdr_size = 0,
 225                 .header_split   = 0, /**< Header Split disabled */
 226                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 227                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 228                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 229                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 230         },
 231         .rx_adv_conf = {
 232                 .rss_conf = {
 233                         .rss_key = NULL,
 234                         .rss_hf = ETH_RSS_UDP,
 235                 },
 236         },
 237         .txmode = {
 238                 .mq_mode = ETH_MQ_TX_NONE,
 239         },
 240         .intr_conf = {
 241                 .lsc = 1,
 242                 .rxq = 1,
 243         },
 244 };
 245
 246 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 247
 248
 249 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 250
 251 #ifdef RTE_MACHINE_CPUFLAG_SSE4_2
 252 #include <rte_hash_crc.h>
 253 #define DEFAULT_HASH_FUNC       rte_hash_crc
 254 #else
 255 #include <rte_jhash.h>
 256 #define DEFAULT_HASH_FUNC       rte_jhash
 257 #endif
 258
 259 struct ipv4_5tuple {
 260         uint32_t ip_dst;
 261         uint32_t ip_src;
 262         uint16_t port_dst;
 263         uint16_t port_src;
 264         uint8_t  proto;
 265 } __attribute__((__packed__));
 266
 267 struct ipv6_5tuple {
 268         uint8_t  ip_dst[IPV6_ADDR_LEN];
 269         uint8_t  ip_src[IPV6_ADDR_LEN];
 270         uint16_t port_dst;
 271         uint16_t port_src;
 272         uint8_t  proto;
 273 } __attribute__((__packed__));
 274
 275 struct ipv4_l3fwd_route {
 276         struct ipv4_5tuple key;
 277         uint8_t if_out;
 278 };
 279
 280 struct ipv6_l3fwd_route {
 281         struct ipv6_5tuple key;
 282         uint8_t if_out;
 283 };
 284
 285 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 286         {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
 287         {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
 288         {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
 289         {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
 290 };
 291
 292 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 293         {
 294                 {
 295                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 296                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
 297                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 298                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
 299                          1, 10, IPPROTO_UDP
 300                 }, 4
 301         },
 302 };
 303
 304 typedef struct rte_hash lookup_struct_t;
 305 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 306 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
 307
 308 #define L3FWD_HASH_ENTRIES      1024
 309
 310 #define IPV4_L3FWD_NUM_ROUTES \
 311         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 312
 313 #define IPV6_L3FWD_NUM_ROUTES \
 314         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
 315
 316 static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 317 static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 318 #endif
 319
 320 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 321 struct ipv4_l3fwd_route {
 322         uint32_t ip;
 323         uint8_t  depth;
 324         uint8_t  if_out;
 325 };
 326
 327 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 328         {IPv4(1,1,1,0), 24, 0},
 329         {IPv4(2,1,1,0), 24, 1},
 330         {IPv4(3,1,1,0), 24, 2},
 331         {IPv4(4,1,1,0), 24, 3},
 332         {IPv4(5,1,1,0), 24, 4},
 333         {IPv4(6,1,1,0), 24, 5},
 334         {IPv4(7,1,1,0), 24, 6},
 335         {IPv4(8,1,1,0), 24, 7},
 336 };
 337
 338 #define IPV4_L3FWD_NUM_ROUTES \
 339         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 340
 341 #define IPV4_L3FWD_LPM_MAX_RULES     1024
 342
 343 typedef struct rte_lpm lookup_struct_t;
 344 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 345 #endif
 346
 347 struct lcore_conf {
 348         uint16_t n_rx_queue;
 349         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 350         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 351         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 352         lookup_struct_t * ipv4_lookup_struct;
 353         lookup_struct_t * ipv6_lookup_struct;
 354 } __rte_cache_aligned;
 355
 356 struct lcore_stats {
 357         /* total sleep time in ms since last frequency scaling down */
 358         uint32_t sleep_time;
 359         /* number of long sleep recently */
 360         uint32_t nb_long_sleep;
 361         /* freq. scaling up trend */
 362         uint32_t trend;
 363         /* total packet processed recently */
 364         uint64_t nb_rx_processed;
 365         /* total iterations looped recently */
 366         uint64_t nb_iteration_looped;
 367         uint32_t padding[9];
 368 } __rte_cache_aligned;
 369
 370 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
 371 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
 372 static struct rte_timer power_timers[RTE_MAX_LCORE];
 373
 374 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
 375 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
 376                         unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
 377
 378 /* exit signal handler */
 379 static void
 380 signal_exit_now(int sigtype)
 381 {
 382         unsigned lcore_id;
 383         int ret;
 384
 385         if (sigtype == SIGINT) {
 386                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 387                         if (rte_lcore_is_enabled(lcore_id) == 0)
 388                                 continue;
 389
 390                         /* init power management library */
 391                         ret = rte_power_exit(lcore_id);
 392                         if (ret)
 393                                 rte_exit(EXIT_FAILURE, "Power management "
 394                                         "library de-initialization failed on "
 395                                                         "core%u\n", lcore_id);
 396                 }
 397         }
 398
 399         rte_exit(EXIT_SUCCESS, "User forced exit\n");
 400 }
 401
 402 /*  Freqency scale down timer callback */
 403 static void
 404 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 405                           __attribute__((unused)) void *arg)
 406 {
 407         uint64_t hz;
 408         float sleep_time_ratio;
 409         unsigned lcore_id = rte_lcore_id();
 410
 411         /* accumulate total execution time in us when callback is invoked */
 412         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
 413                                         (float)SCALING_PERIOD;
 414         /**
 415          * check whether need to scale down frequency a step if it sleep a lot.
 416          */
 417         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
 418                 if (rte_power_freq_down)
 419                         rte_power_freq_down(lcore_id);
 420         }
 421         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
 422                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
 423                 /**
 424                  * scale down a step if average packet per iteration less
 425                  * than expectation.
 426                  */
 427                 if (rte_power_freq_down)
 428                         rte_power_freq_down(lcore_id);
 429         }
 430
 431         /**
 432          * initialize another timer according to current frequency to ensure
 433          * timer interval is relatively fixed.
 434          */
 435         hz = rte_get_timer_hz();
 436         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
 437                                 SINGLE, lcore_id, power_timer_cb, NULL);
 438
 439         stats[lcore_id].nb_rx_processed = 0;
 440         stats[lcore_id].nb_iteration_looped = 0;
 441
 442         stats[lcore_id].sleep_time = 0;
 443 }
 444
 445 /* Send burst of packets on an output interface */
 446 static inline int
 447 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
 448 {
 449         struct rte_mbuf **m_table;
 450         int ret;
 451         uint16_t queueid;
 452
 453         queueid = qconf->tx_queue_id[port];
 454         m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
 455
 456         ret = rte_eth_tx_burst(port, queueid, m_table, n);
 457         if (unlikely(ret < n)) {
 458                 do {
 459                         rte_pktmbuf_free(m_table[ret]);
 460                 } while (++ret < n);
 461         }
 462
 463         return 0;
 464 }
 465
 466 /* Enqueue a single packet, and send burst if queue is filled */
 467 static inline int
 468 send_single_packet(struct rte_mbuf *m, uint8_t port)
 469 {
 470         uint32_t lcore_id;
 471         uint16_t len;
 472         struct lcore_conf *qconf;
 473
 474         lcore_id = rte_lcore_id();
 475
 476         qconf = &lcore_conf[lcore_id];
 477         len = qconf->tx_mbufs[port].len;
 478         qconf->tx_mbufs[port].m_table[len] = m;
 479         len++;
 480
 481         /* enough pkts to be sent */
 482         if (unlikely(len == MAX_PKT_BURST)) {
 483                 send_burst(qconf, MAX_PKT_BURST, port);
 484                 len = 0;
 485         }
 486
 487         qconf->tx_mbufs[port].len = len;
 488         return 0;
 489 }
 490
 491 #ifdef DO_RFC_1812_CHECKS
 492 static inline int
 493 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
 494 {
 495         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
 496         /*
 497          * 1. The packet length reported by the Link Layer must be large
 498          * enough to hold the minimum length legal IP datagram (20 bytes).
 499          */
 500         if (link_len < sizeof(struct ipv4_hdr))
 501                 return -1;
 502
 503         /* 2. The IP checksum must be correct. */
 504         /* this is checked in H/W */
 505
 506         /*
 507          * 3. The IP version number must be 4. If the version number is not 4
 508          * then the packet may be another version of IP, such as IPng or
 509          * ST-II.
 510          */
 511         if (((pkt->version_ihl) >> 4) != 4)
 512                 return -3;
 513         /*
 514          * 4. The IP header length field must be large enough to hold the
 515          * minimum length legal IP datagram (20 bytes = 5 words).
 516          */
 517         if ((pkt->version_ihl & 0xf) < 5)
 518                 return -4;
 519
 520         /*
 521          * 5. The IP total length field must be large enough to hold the IP
 522          * datagram header, whose length is specified in the IP header length
 523          * field.
 524          */
 525         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
 526                 return -5;
 527
 528         return 0;
 529 }
 530 #endif
 531
 532 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 533 static void
 534 print_ipv4_key(struct ipv4_5tuple key)
 535 {
 536         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
 537                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
 538                                 key.port_dst, key.port_src, key.proto);
 539 }
 540 static void
 541 print_ipv6_key(struct ipv6_5tuple key)
 542 {
 543         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
 544                 "port dst = %d, port src = %d, proto = %d\n",
 545                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
 546                 key.port_dst, key.port_src, key.proto);
 547 }
 548
 549 static inline uint8_t
 550 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
 551                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
 552 {
 553         struct ipv4_5tuple key;
 554         struct tcp_hdr *tcp;
 555         struct udp_hdr *udp;
 556         int ret = 0;
 557
 558         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
 559         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
 560         key.proto = ipv4_hdr->next_proto_id;
 561
 562         switch (ipv4_hdr->next_proto_id) {
 563         case IPPROTO_TCP:
 564                 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
 565                                         sizeof(struct ipv4_hdr));
 566                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 567                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 568                 break;
 569
 570         case IPPROTO_UDP:
 571                 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
 572                                         sizeof(struct ipv4_hdr));
 573                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 574                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 575                 break;
 576
 577         default:
 578                 key.port_dst = 0;
 579                 key.port_src = 0;
 580                 break;
 581         }
 582
 583         /* Find destination port */
 584         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
 585         return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
 586 }
 587
 588 static inline uint8_t
 589 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr,  uint8_t portid,
 590                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
 591 {
 592         struct ipv6_5tuple key;
 593         struct tcp_hdr *tcp;
 594         struct udp_hdr *udp;
 595         int ret = 0;
 596
 597         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
 598         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
 599
 600         key.proto = ipv6_hdr->proto;
 601
 602         switch (ipv6_hdr->proto) {
 603         case IPPROTO_TCP:
 604                 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
 605                                         sizeof(struct ipv6_hdr));
 606                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 607                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 608                 break;
 609
 610         case IPPROTO_UDP:
 611                 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
 612                                         sizeof(struct ipv6_hdr));
 613                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 614                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 615                 break;
 616
 617         default:
 618                 key.port_dst = 0;
 619                 key.port_src = 0;
 620                 break;
 621         }
 622
 623         /* Find destination port */
 624         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
 625         return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
 626 }
 627 #endif
 628
 629 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 630 static inline uint8_t
 631 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
 632                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
 633 {
 634         uint8_t next_hop;
 635
 636         return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
 637                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
 638                         next_hop : portid);
 639 }
 640 #endif
 641
 642 static inline void
 643 l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
 644                                 struct lcore_conf *qconf)
 645 {
 646         struct ether_hdr *eth_hdr;
 647         struct ipv4_hdr *ipv4_hdr;
 648         void *d_addr_bytes;
 649         uint8_t dst_port;
 650
 651         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 652
 653 #ifdef RTE_NEXT_ABI
 654         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 655 #else
 656         if (m->ol_flags & PKT_RX_IPV4_HDR) {
 657 #endif
 658                 /* Handle IPv4 headers.*/
 659                 ipv4_hdr =
 660                         rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
 661                                                 sizeof(struct ether_hdr));
 662
 663 #ifdef DO_RFC_1812_CHECKS
 664                 /* Check to make sure the packet is valid (RFC1812) */
 665                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
 666                         rte_pktmbuf_free(m);
 667                         return;
 668                 }
 669 #endif
 670
 671                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
 672                                         qconf->ipv4_lookup_struct);
 673                 if (dst_port >= RTE_MAX_ETHPORTS ||
 674                                 (enabled_port_mask & 1 << dst_port) == 0)
 675                         dst_port = portid;
 676
 677                 /* 02:00:00:00:00:xx */
 678                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 679                 *((uint64_t *)d_addr_bytes) =
 680                         0x000000000002 + ((uint64_t)dst_port << 40);
 681
 682 #ifdef DO_RFC_1812_CHECKS
 683                 /* Update time to live and header checksum */
 684                 --(ipv4_hdr->time_to_live);
 685                 ++(ipv4_hdr->hdr_checksum);
 686 #endif
 687
 688                 /* src addr */
 689                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 690
 691                 send_single_packet(m, dst_port);
 692 #ifdef RTE_NEXT_ABI
 693         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 694 #else
 695         }
 696         else {
 697 #endif
 698                 /* Handle IPv6 headers.*/
 699 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 700                 struct ipv6_hdr *ipv6_hdr;
 701
 702                 ipv6_hdr =
 703                         rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
 704                                                 sizeof(struct ether_hdr));
 705
 706                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
 707                                         qconf->ipv6_lookup_struct);
 708
 709                 if (dst_port >= RTE_MAX_ETHPORTS ||
 710                                 (enabled_port_mask & 1 << dst_port) == 0)
 711                         dst_port = portid;
 712
 713                 /* 02:00:00:00:00:xx */
 714                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 715                 *((uint64_t *)d_addr_bytes) =
 716                         0x000000000002 + ((uint64_t)dst_port << 40);
 717
 718                 /* src addr */
 719                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 720
 721                 send_single_packet(m, dst_port);
 722 #else
 723                 /* We don't currently handle IPv6 packets in LPM mode. */
 724                 rte_pktmbuf_free(m);
 725 #endif
 726         }
 727
 728 }
 729
 730 #define MINIMUM_SLEEP_TIME         1
 731 #define SUSPEND_THRESHOLD          300
 732
 733 static inline uint32_t
 734 power_idle_heuristic(uint32_t zero_rx_packet_count)
 735 {
 736         /* If zero count is less than 100,  sleep 1us */
 737         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
 738                 return MINIMUM_SLEEP_TIME;
 739         /* If zero count is less than 1000, sleep 100 us which is the
 740                 minimum latency switching from C3/C6 to C0
 741         */
 742         else
 743                 return SUSPEND_THRESHOLD;
 744
 745         return 0;
 746 }
 747
 748 static inline enum freq_scale_hint_t
 749 power_freq_scaleup_heuristic(unsigned lcore_id,
 750                              uint8_t port_id,
 751                              uint16_t queue_id)
 752 {
 753 /**
 754  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
 755  * per iteration
 756  */
 757 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
 758 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
 759 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
 760 #define FREQ_UP_TREND1_ACC   1
 761 #define FREQ_UP_TREND2_ACC   100
 762 #define FREQ_UP_THRESHOLD    10000
 763
 764         if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 765                         FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
 766                 stats[lcore_id].trend = 0;
 767                 return FREQ_HIGHEST;
 768         } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 769                         FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
 770                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
 771         else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 772                         FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
 773                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
 774
 775         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
 776                 stats[lcore_id].trend = 0;
 777                 return FREQ_HIGHER;
 778         }
 779
 780         return FREQ_CURRENT;
 781 }
 782
 783 /**
 784  * force polling thread sleep until one-shot rx interrupt triggers
 785  * @param port_id
 786  *  Port id.
 787  * @param queue_id
 788  *  Rx queue id.
 789  * @return
 790  *  0 on success
 791  */
 792 static int
 793 sleep_until_rx_interrupt(int num)
 794 {
 795         struct rte_epoll_event event[num];
 796         int n, i;
 797         uint8_t port_id, queue_id;
 798         void *data;
 799
 800         RTE_LOG(INFO, L3FWD_POWER,
 801                 "lcore %u sleeps until interrupt triggers\n",
 802                 rte_lcore_id());
 803
 804         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
 805         for (i = 0; i < n; i++) {
 806                 data = event[i].epdata.data;
 807                 port_id = ((uintptr_t)data) >> CHAR_BIT;
 808                 queue_id = ((uintptr_t)data) &
 809                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
 810                 RTE_LOG(INFO, L3FWD_POWER,
 811                         "lcore %u is waked up from rx interrupt on"
 812                         " port %d queue %d\n",
 813                         rte_lcore_id(), port_id, queue_id);
 814         }
 815
 816         return 0;
 817 }
 818
 819 static void turn_on_intr(struct lcore_conf *qconf)
 820 {
 821         int i;
 822         struct lcore_rx_queue *rx_queue;
 823         uint8_t port_id, queue_id;
 824
 825         for (i = 0; i < qconf->n_rx_queue; ++i) {
 826                 rx_queue = &(qconf->rx_queue_list[i]);
 827                 port_id = rx_queue->port_id;
 828                 queue_id = rx_queue->queue_id;
 829
 830                 rte_spinlock_lock(&(locks[port_id]));
 831                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
 832                 rte_spinlock_unlock(&(locks[port_id]));
 833         }
 834 }
 835
 836 static int event_register(struct lcore_conf *qconf)
 837 {
 838         struct lcore_rx_queue *rx_queue;
 839         uint8_t portid, queueid;
 840         uint32_t data;
 841         int ret;
 842         int i;
 843
 844         for (i = 0; i < qconf->n_rx_queue; ++i) {
 845                 rx_queue = &(qconf->rx_queue_list[i]);
 846                 portid = rx_queue->port_id;
 847                 queueid = rx_queue->queue_id;
 848                 data = portid << CHAR_BIT | queueid;
 849
 850                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
 851                                                 RTE_EPOLL_PER_THREAD,
 852                                                 RTE_INTR_EVENT_ADD,
 853                                                 (void *)((uintptr_t)data));
 854                 if (ret)
 855                         return ret;
 856         }
 857
 858         return 0;
 859 }
 860
 861 /* main processing loop */
 862 static int
 863 main_loop(__attribute__((unused)) void *dummy)
 864 {
 865         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 866         unsigned lcore_id;
 867         uint64_t prev_tsc, diff_tsc, cur_tsc;
 868         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
 869         int i, j, nb_rx;
 870         uint8_t portid, queueid;
 871         struct lcore_conf *qconf;
 872         struct lcore_rx_queue *rx_queue;
 873         enum freq_scale_hint_t lcore_scaleup_hint;
 874         uint32_t lcore_rx_idle_count = 0;
 875         uint32_t lcore_idle_hint = 0;
 876         int intr_en = 0;
 877
 878         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 879
 880         prev_tsc = 0;
 881
 882         lcore_id = rte_lcore_id();
 883         qconf = &lcore_conf[lcore_id];
 884
 885         if (qconf->n_rx_queue == 0) {
 886                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
 887                 return 0;
 888         }
 889
 890         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
 891
 892         for (i = 0; i < qconf->n_rx_queue; i++) {
 893                 portid = qconf->rx_queue_list[i].port_id;
 894                 queueid = qconf->rx_queue_list[i].queue_id;
 895                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
 896                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
 897         }
 898
 899         /* add into event wait list */
 900         if (event_register(qconf) == 0)
 901                 intr_en = 1;
 902         else
 903                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
 904
 905         while (1) {
 906                 stats[lcore_id].nb_iteration_looped++;
 907
 908                 cur_tsc = rte_rdtsc();
 909                 cur_tsc_power = cur_tsc;
 910
 911                 /*
 912                  * TX burst queue drain
 913                  */
 914                 diff_tsc = cur_tsc - prev_tsc;
 915                 if (unlikely(diff_tsc > drain_tsc)) {
 916
 917                         /*
 918                          * This could be optimized (use queueid instead of
 919                          * portid), but it is not called so often
 920                          */
 921                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 922                                 if (qconf->tx_mbufs[portid].len == 0)
 923                                         continue;
 924                                 send_burst(&lcore_conf[lcore_id],
 925                                         qconf->tx_mbufs[portid].len,
 926                                         portid);
 927                                 qconf->tx_mbufs[portid].len = 0;
 928                         }
 929
 930                         prev_tsc = cur_tsc;
 931                 }
 932
 933                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
 934                 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
 935                         rte_timer_manage();
 936                         prev_tsc_power = cur_tsc_power;
 937                 }
 938
 939 start_rx:
 940                 /*
 941                  * Read packet from RX queues
 942                  */
 943                 lcore_scaleup_hint = FREQ_CURRENT;
 944                 lcore_rx_idle_count = 0;
 945                 for (i = 0; i < qconf->n_rx_queue; ++i) {
 946                         rx_queue = &(qconf->rx_queue_list[i]);
 947                         rx_queue->idle_hint = 0;
 948                         portid = rx_queue->port_id;
 949                         queueid = rx_queue->queue_id;
 950
 951                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
 952                                                                 MAX_PKT_BURST);
 953
 954                         stats[lcore_id].nb_rx_processed += nb_rx;
 955                         if (unlikely(nb_rx == 0)) {
 956                                 /**
 957                                  * no packet received from rx queue, try to
 958                                  * sleep for a while forcing CPU enter deeper
 959                                  * C states.
 960                                  */
 961                                 rx_queue->zero_rx_packet_count++;
 962
 963                                 if (rx_queue->zero_rx_packet_count <=
 964                                                         MIN_ZERO_POLL_COUNT)
 965                                         continue;
 966
 967                                 rx_queue->idle_hint = power_idle_heuristic(\
 968                                         rx_queue->zero_rx_packet_count);
 969                                 lcore_rx_idle_count++;
 970                         } else {
 971                                 rx_queue->zero_rx_packet_count = 0;
 972
 973                                 /**
 974                                  * do not scale up frequency immediately as
 975                                  * user to kernel space communication is costly
 976                                  * which might impact packet I/O for received
 977                                  * packets.
 978                                  */
 979                                 rx_queue->freq_up_hint =
 980                                         power_freq_scaleup_heuristic(lcore_id,
 981                                                         portid, queueid);
 982                         }
 983
 984                         /* Prefetch first packets */
 985                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
 986                                 rte_prefetch0(rte_pktmbuf_mtod(
 987                                                 pkts_burst[j], void *));
 988                         }
 989
 990                         /* Prefetch and forward already prefetched packets */
 991                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
 992                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
 993                                                 j + PREFETCH_OFFSET], void *));
 994                                 l3fwd_simple_forward(pkts_burst[j], portid,
 995                                                                 qconf);
 996                         }
 997
 998                         /* Forward remaining prefetched packets */
 999                         for (; j < nb_rx; j++) {
1000                                 l3fwd_simple_forward(pkts_burst[j], portid,
1001                                                                 qconf);
1002                         }
1003                 }
1004
1005                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1006                         for (i = 1, lcore_scaleup_hint =
1007                                 qconf->rx_queue_list[0].freq_up_hint;
1008                                         i < qconf->n_rx_queue; ++i) {
1009                                 rx_queue = &(qconf->rx_queue_list[i]);
1010                                 if (rx_queue->freq_up_hint >
1011                                                 lcore_scaleup_hint)
1012                                         lcore_scaleup_hint =
1013                                                 rx_queue->freq_up_hint;
1014                         }
1015
1016                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
1017                                 if (rte_power_freq_max)
1018                                         rte_power_freq_max(lcore_id);
1019                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1020                                 if (rte_power_freq_up)
1021                                         rte_power_freq_up(lcore_id);
1022                         }
1023                 } else {
1024                         /**
1025                          * All Rx queues empty in recent consecutive polls,
1026                          * sleep in a conservative manner, meaning sleep as
1027                          * less as possible.
1028                          */
1029                         for (i = 1, lcore_idle_hint =
1030                                 qconf->rx_queue_list[0].idle_hint;
1031                                         i < qconf->n_rx_queue; ++i) {
1032                                 rx_queue = &(qconf->rx_queue_list[i]);
1033                                 if (rx_queue->idle_hint < lcore_idle_hint)
1034                                         lcore_idle_hint = rx_queue->idle_hint;
1035                         }
1036
1037                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1038                                 /**
1039                                  * execute "pause" instruction to avoid context
1040                                  * switch which generally take hundred of
1041                                  * microseconds for short sleep.
1042                                  */
1043                                 rte_delay_us(lcore_idle_hint);
1044                         else {
1045                                 /* suspend until rx interrupt trigges */
1046                                 if (intr_en) {
1047                                         turn_on_intr(qconf);
1048                                         sleep_until_rx_interrupt(
1049                                                 qconf->n_rx_queue);
1050                                 }
1051                                 /* start receiving packets immediately */
1052                                 goto start_rx;
1053                         }
1054                         stats[lcore_id].sleep_time += lcore_idle_hint;
1055                 }
1056         }
1057 }
1058
1059 static int
1060 check_lcore_params(void)
1061 {
1062         uint8_t queue, lcore;
1063         uint16_t i;
1064         int socketid;
1065
1066         for (i = 0; i < nb_lcore_params; ++i) {
1067                 queue = lcore_params[i].queue_id;
1068                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1069                         printf("invalid queue number: %hhu\n", queue);
1070                         return -1;
1071                 }
1072                 lcore = lcore_params[i].lcore_id;
1073                 if (!rte_lcore_is_enabled(lcore)) {
1074                         printf("error: lcore %hhu is not enabled in lcore "
1075                                                         "mask\n", lcore);
1076                         return -1;
1077                 }
1078                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1079                                                         (numa_on == 0)) {
1080                         printf("warning: lcore %hhu is on socket %d with numa "
1081                                                 "off\n", lcore, socketid);
1082                 }
1083         }
1084         return 0;
1085 }
1086
1087 static int
1088 check_port_config(const unsigned nb_ports)
1089 {
1090         unsigned portid;
1091         uint16_t i;
1092
1093         for (i = 0; i < nb_lcore_params; ++i) {
1094                 portid = lcore_params[i].port_id;
1095                 if ((enabled_port_mask & (1 << portid)) == 0) {
1096                         printf("port %u is not enabled in port mask\n",
1097                                                                 portid);
1098                         return -1;
1099                 }
1100                 if (portid >= nb_ports) {
1101                         printf("port %u is not present on the board\n",
1102                                                                 portid);
1103                         return -1;
1104                 }
1105         }
1106         return 0;
1107 }
1108
1109 static uint8_t
1110 get_port_n_rx_queues(const uint8_t port)
1111 {
1112         int queue = -1;
1113         uint16_t i;
1114
1115         for (i = 0; i < nb_lcore_params; ++i) {
1116                 if (lcore_params[i].port_id == port &&
1117                                 lcore_params[i].queue_id > queue)
1118                         queue = lcore_params[i].queue_id;
1119         }
1120         return (uint8_t)(++queue);
1121 }
1122
1123 static int
1124 init_lcore_rx_queues(void)
1125 {
1126         uint16_t i, nb_rx_queue;
1127         uint8_t lcore;
1128
1129         for (i = 0; i < nb_lcore_params; ++i) {
1130                 lcore = lcore_params[i].lcore_id;
1131                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1132                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1133                         printf("error: too many queues (%u) for lcore: %u\n",
1134                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1135                         return -1;
1136                 } else {
1137                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1138                                 lcore_params[i].port_id;
1139                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1140                                 lcore_params[i].queue_id;
1141                         lcore_conf[lcore].n_rx_queue++;
1142                 }
1143         }
1144         return 0;
1145 }
1146
1147 /* display usage */
1148 static void
1149 print_usage(const char *prgname)
1150 {
1151         printf ("%s [EAL options] -- -p PORTMASK -P"
1152                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1153                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1154                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1155                 "  -P : enable promiscuous mode\n"
1156                 "  --config (port,queue,lcore): rx queues configuration\n"
1157                 "  --no-numa: optional, disable numa awareness\n"
1158                 "  --enable-jumbo: enable jumbo frame"
1159                 " which max packet len is PKTLEN in decimal (64-9600)\n",
1160                 prgname);
1161 }
1162
1163 static int parse_max_pkt_len(const char *pktlen)
1164 {
1165         char *end = NULL;
1166         unsigned long len;
1167
1168         /* parse decimal string */
1169         len = strtoul(pktlen, &end, 10);
1170         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1171                 return -1;
1172
1173         if (len == 0)
1174                 return -1;
1175
1176         return len;
1177 }
1178
1179 static int
1180 parse_portmask(const char *portmask)
1181 {
1182         char *end = NULL;
1183         unsigned long pm;
1184
1185         /* parse hexadecimal string */
1186         pm = strtoul(portmask, &end, 16);
1187         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1188                 return -1;
1189
1190         if (pm == 0)
1191                 return -1;
1192
1193         return pm;
1194 }
1195
1196 static int
1197 parse_config(const char *q_arg)
1198 {
1199         char s[256];
1200         const char *p, *p0 = q_arg;
1201         char *end;
1202         enum fieldnames {
1203                 FLD_PORT = 0,
1204                 FLD_QUEUE,
1205                 FLD_LCORE,
1206                 _NUM_FLD
1207         };
1208         unsigned long int_fld[_NUM_FLD];
1209         char *str_fld[_NUM_FLD];
1210         int i;
1211         unsigned size;
1212
1213         nb_lcore_params = 0;
1214
1215         while ((p = strchr(p0,'(')) != NULL) {
1216                 ++p;
1217                 if((p0 = strchr(p,')')) == NULL)
1218                         return -1;
1219
1220                 size = p0 - p;
1221                 if(size >= sizeof(s))
1222                         return -1;
1223
1224                 snprintf(s, sizeof(s), "%.*s", size, p);
1225                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1226                                                                 _NUM_FLD)
1227                         return -1;
1228                 for (i = 0; i < _NUM_FLD; i++){
1229                         errno = 0;
1230                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1231                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1232                                                                         255)
1233                                 return -1;
1234                 }
1235                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1236                         printf("exceeded max number of lcore params: %hu\n",
1237                                 nb_lcore_params);
1238                         return -1;
1239                 }
1240                 lcore_params_array[nb_lcore_params].port_id =
1241                                 (uint8_t)int_fld[FLD_PORT];
1242                 lcore_params_array[nb_lcore_params].queue_id =
1243                                 (uint8_t)int_fld[FLD_QUEUE];
1244                 lcore_params_array[nb_lcore_params].lcore_id =
1245                                 (uint8_t)int_fld[FLD_LCORE];
1246                 ++nb_lcore_params;
1247         }
1248         lcore_params = lcore_params_array;
1249
1250         return 0;
1251 }
1252
1253 /* Parse the argument given in the command line of the application */
1254 static int
1255 parse_args(int argc, char **argv)
1256 {
1257         int opt, ret;
1258         char **argvopt;
1259         int option_index;
1260         char *prgname = argv[0];
1261         static struct option lgopts[] = {
1262                 {"config", 1, 0, 0},
1263                 {"no-numa", 0, 0, 0},
1264                 {"enable-jumbo", 0, 0, 0},
1265                 {NULL, 0, 0, 0}
1266         };
1267
1268         argvopt = argv;
1269
1270         while ((opt = getopt_long(argc, argvopt, "p:P",
1271                                 lgopts, &option_index)) != EOF) {
1272
1273                 switch (opt) {
1274                 /* portmask */
1275                 case 'p':
1276                         enabled_port_mask = parse_portmask(optarg);
1277                         if (enabled_port_mask == 0) {
1278                                 printf("invalid portmask\n");
1279                                 print_usage(prgname);
1280                                 return -1;
1281                         }
1282                         break;
1283                 case 'P':
1284                         printf("Promiscuous mode selected\n");
1285                         promiscuous_on = 1;
1286                         break;
1287
1288                 /* long options */
1289                 case 0:
1290                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1291                                 ret = parse_config(optarg);
1292                                 if (ret) {
1293                                         printf("invalid config\n");
1294                                         print_usage(prgname);
1295                                         return -1;
1296                                 }
1297                         }
1298
1299                         if (!strncmp(lgopts[option_index].name,
1300                                                 "no-numa", 7)) {
1301                                 printf("numa is disabled \n");
1302                                 numa_on = 0;
1303                         }
1304
1305                         if (!strncmp(lgopts[option_index].name,
1306                                         "enable-jumbo", 12)) {
1307                                 struct option lenopts =
1308                                         {"max-pkt-len", required_argument, \
1309                                                                         0, 0};
1310
1311                                 printf("jumbo frame is enabled \n");
1312                                 port_conf.rxmode.jumbo_frame = 1;
1313
1314                                 /**
1315                                  * if no max-pkt-len set, use the default value
1316                                  * ETHER_MAX_LEN
1317                                  */
1318                                 if (0 == getopt_long(argc, argvopt, "",
1319                                                 &lenopts, &option_index)) {
1320                                         ret = parse_max_pkt_len(optarg);
1321                                         if ((ret < 64) ||
1322                                                 (ret > MAX_JUMBO_PKT_LEN)){
1323                                                 printf("invalid packet "
1324                                                                 "length\n");
1325                                                 print_usage(prgname);
1326                                                 return -1;
1327                                         }
1328                                         port_conf.rxmode.max_rx_pkt_len = ret;
1329                                 }
1330                                 printf("set jumbo frame "
1331                                         "max packet length to %u\n",
1332                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1333                         }
1334
1335                         break;
1336
1337                 default:
1338                         print_usage(prgname);
1339                         return -1;
1340                 }
1341         }
1342
1343         if (optind >= 0)
1344                 argv[optind-1] = prgname;
1345
1346         ret = optind-1;
1347         optind = 0; /* reset getopt lib */
1348         return ret;
1349 }
1350
1351 static void
1352 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1353 {
1354         char buf[ETHER_ADDR_FMT_SIZE];
1355         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1356         printf("%s%s", name, buf);
1357 }
1358
1359 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1360 static void
1361 setup_hash(int socketid)
1362 {
1363         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1364                 .name = NULL,
1365                 .entries = L3FWD_HASH_ENTRIES,
1366                 .key_len = sizeof(struct ipv4_5tuple),
1367                 .hash_func = DEFAULT_HASH_FUNC,
1368                 .hash_func_init_val = 0,
1369         };
1370
1371         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1372                 .name = NULL,
1373                 .entries = L3FWD_HASH_ENTRIES,
1374                 .key_len = sizeof(struct ipv6_5tuple),
1375                 .hash_func = DEFAULT_HASH_FUNC,
1376                 .hash_func_init_val = 0,
1377         };
1378
1379         unsigned i;
1380         int ret;
1381         char s[64];
1382
1383         /* create ipv4 hash */
1384         rte_snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1385         ipv4_l3fwd_hash_params.name = s;
1386         ipv4_l3fwd_hash_params.socket_id = socketid;
1387         ipv4_l3fwd_lookup_struct[socketid] =
1388                 rte_hash_create(&ipv4_l3fwd_hash_params);
1389         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1390                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1391                                 "socket %d\n", socketid);
1392
1393         /* create ipv6 hash */
1394         rte_snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1395         ipv6_l3fwd_hash_params.name = s;
1396         ipv6_l3fwd_hash_params.socket_id = socketid;
1397         ipv6_l3fwd_lookup_struct[socketid] =
1398                 rte_hash_create(&ipv6_l3fwd_hash_params);
1399         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1400                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1401                                 "socket %d\n", socketid);
1402
1403
1404         /* populate the ipv4 hash */
1405         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1406                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1407                                 (void *) &ipv4_l3fwd_route_array[i].key);
1408                 if (ret < 0) {
1409                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1410                                 "l3fwd hash on socket %d\n", i, socketid);
1411                 }
1412                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1413                 printf("Hash: Adding key\n");
1414                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1415         }
1416
1417         /* populate the ipv6 hash */
1418         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1419                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1420                                 (void *) &ipv6_l3fwd_route_array[i].key);
1421                 if (ret < 0) {
1422                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1423                                 "l3fwd hash on socket %d\n", i, socketid);
1424                 }
1425                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1426                 printf("Hash: Adding key\n");
1427                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1428         }
1429 }
1430 #endif
1431
1432 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1433 static void
1434 setup_lpm(int socketid)
1435 {
1436         unsigned i;
1437         int ret;
1438         char s[64];
1439
1440         /* create the LPM table */
1441         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1442         ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
1443                                 IPV4_L3FWD_LPM_MAX_RULES, 0);
1444         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1445                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1446                                 " on socket %d\n", socketid);
1447
1448         /* populate the LPM table */
1449         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1450                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1451                         ipv4_l3fwd_route_array[i].ip,
1452                         ipv4_l3fwd_route_array[i].depth,
1453                         ipv4_l3fwd_route_array[i].if_out);
1454
1455                 if (ret < 0) {
1456                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1457                                 "l3fwd LPM table on socket %d\n",
1458                                 i, socketid);
1459                 }
1460
1461                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1462                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1463                         ipv4_l3fwd_route_array[i].depth,
1464                         ipv4_l3fwd_route_array[i].if_out);
1465         }
1466 }
1467 #endif
1468
1469 static int
1470 init_mem(unsigned nb_mbuf)
1471 {
1472         struct lcore_conf *qconf;
1473         int socketid;
1474         unsigned lcore_id;
1475         char s[64];
1476
1477         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1478                 if (rte_lcore_is_enabled(lcore_id) == 0)
1479                         continue;
1480
1481                 if (numa_on)
1482                         socketid = rte_lcore_to_socket_id(lcore_id);
1483                 else
1484                         socketid = 0;
1485
1486                 if (socketid >= NB_SOCKETS) {
1487                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1488                                         "out of range %d\n", socketid,
1489                                                 lcore_id, NB_SOCKETS);
1490                 }
1491                 if (pktmbuf_pool[socketid] == NULL) {
1492                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1493                         pktmbuf_pool[socketid] =
1494                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1495                                         MEMPOOL_CACHE_SIZE, 0,
1496                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1497                                         socketid);
1498                         if (pktmbuf_pool[socketid] == NULL)
1499                                 rte_exit(EXIT_FAILURE,
1500                                         "Cannot init mbuf pool on socket %d\n",
1501                                                                 socketid);
1502                         else
1503                                 printf("Allocated mbuf pool on socket %d\n",
1504                                                                 socketid);
1505
1506 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1507                         setup_lpm(socketid);
1508 #else
1509                         setup_hash(socketid);
1510 #endif
1511                 }
1512                 qconf = &lcore_conf[lcore_id];
1513                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1514 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1515                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1516 #endif
1517         }
1518         return 0;
1519 }
1520
1521 /* Check the link status of all ports in up to 9s, and print them finally */
1522 static void
1523 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1524 {
1525 #define CHECK_INTERVAL 100 /* 100ms */
1526 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1527         uint8_t portid, count, all_ports_up, print_flag = 0;
1528         struct rte_eth_link link;
1529
1530         printf("\nChecking link status");
1531         fflush(stdout);
1532         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1533                 all_ports_up = 1;
1534                 for (portid = 0; portid < port_num; portid++) {
1535                         if ((port_mask & (1 << portid)) == 0)
1536                                 continue;
1537                         memset(&link, 0, sizeof(link));
1538                         rte_eth_link_get_nowait(portid, &link);
1539                         /* print link status if flag set */
1540                         if (print_flag == 1) {
1541                                 if (link.link_status)
1542                                         printf("Port %d Link Up - speed %u "
1543                                                 "Mbps - %s\n", (uint8_t)portid,
1544                                                 (unsigned)link.link_speed,
1545                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1546                                         ("full-duplex") : ("half-duplex\n"));
1547                                 else
1548                                         printf("Port %d Link Down\n",
1549                                                 (uint8_t)portid);
1550                                 continue;
1551                         }
1552                         /* clear all_ports_up flag if any link down */
1553                         if (link.link_status == 0) {
1554                                 all_ports_up = 0;
1555                                 break;
1556                         }
1557                 }
1558                 /* after finally printing all link status, get out */
1559                 if (print_flag == 1)
1560                         break;
1561
1562                 if (all_ports_up == 0) {
1563                         printf(".");
1564                         fflush(stdout);
1565                         rte_delay_ms(CHECK_INTERVAL);
1566                 }
1567
1568                 /* set the print_flag if all ports up or timeout */
1569                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1570                         print_flag = 1;
1571                         printf("done\n");
1572                 }
1573         }
1574 }
1575
1576 int
1577 main(int argc, char **argv)
1578 {
1579         struct lcore_conf *qconf;
1580         struct rte_eth_dev_info dev_info;
1581         struct rte_eth_txconf *txconf;
1582         int ret;
1583         unsigned nb_ports;
1584         uint16_t queueid;
1585         unsigned lcore_id;
1586         uint64_t hz;
1587         uint32_t n_tx_queue, nb_lcores;
1588         uint32_t dev_rxq_num, dev_txq_num;
1589         uint8_t portid, nb_rx_queue, queue, socketid;
1590
1591         /* catch SIGINT and restore cpufreq governor to ondemand */
1592         signal(SIGINT, signal_exit_now);
1593
1594         /* init EAL */
1595         ret = rte_eal_init(argc, argv);
1596         if (ret < 0)
1597                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1598         argc -= ret;
1599         argv += ret;
1600
1601         /* init RTE timer library to be used late */
1602         rte_timer_subsystem_init();
1603
1604         /* parse application arguments (after the EAL ones) */
1605         ret = parse_args(argc, argv);
1606         if (ret < 0)
1607                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1608
1609         if (check_lcore_params() < 0)
1610                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1611
1612         ret = init_lcore_rx_queues();
1613         if (ret < 0)
1614                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1615
1616
1617         nb_ports = rte_eth_dev_count();
1618         if (nb_ports > RTE_MAX_ETHPORTS)
1619                 nb_ports = RTE_MAX_ETHPORTS;
1620
1621         if (check_port_config(nb_ports) < 0)
1622                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1623
1624         nb_lcores = rte_lcore_count();
1625
1626         /* initialize all ports */
1627         for (portid = 0; portid < nb_ports; portid++) {
1628                 /* skip ports that are not enabled */
1629                 if ((enabled_port_mask & (1 << portid)) == 0) {
1630                         printf("\nSkipping disabled port %d\n", portid);
1631                         continue;
1632                 }
1633
1634                 /* init port */
1635                 printf("Initializing port %d ... ", portid );
1636                 fflush(stdout);
1637
1638                 rte_eth_dev_info_get(portid, &dev_info);
1639                 dev_rxq_num = dev_info.max_rx_queues;
1640                 dev_txq_num = dev_info.max_tx_queues;
1641
1642                 nb_rx_queue = get_port_n_rx_queues(portid);
1643                 if (nb_rx_queue > dev_rxq_num)
1644                         rte_exit(EXIT_FAILURE,
1645                                 "Cannot configure not existed rxq: "
1646                                 "port=%d\n", portid);
1647
1648                 n_tx_queue = nb_lcores;
1649                 if (n_tx_queue > dev_txq_num)
1650                         n_tx_queue = dev_txq_num;
1651                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1652                         nb_rx_queue, (unsigned)n_tx_queue );
1653                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1654                                         (uint16_t)n_tx_queue, &port_conf);
1655                 if (ret < 0)
1656                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1657                                         "err=%d, port=%d\n", ret, portid);
1658
1659                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1660                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1661                 printf(", ");
1662
1663                 /* init memory */
1664                 ret = init_mem(NB_MBUF);
1665                 if (ret < 0)
1666                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1667
1668                 /* init one TX queue per couple (lcore,port) */
1669                 queueid = 0;
1670                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1671                         if (rte_lcore_is_enabled(lcore_id) == 0)
1672                                 continue;
1673
1674                         if (queueid >= dev_txq_num)
1675                                 continue;
1676
1677                         if (numa_on)
1678                                 socketid = \
1679                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1680                         else
1681                                 socketid = 0;
1682
1683                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1684                         fflush(stdout);
1685
1686                         rte_eth_dev_info_get(portid, &dev_info);
1687                         txconf = &dev_info.default_txconf;
1688                         if (port_conf.rxmode.jumbo_frame)
1689                                 txconf->txq_flags = 0;
1690                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1691                                                      socketid, txconf);
1692                         if (ret < 0)
1693                                 rte_exit(EXIT_FAILURE,
1694                                         "rte_eth_tx_queue_setup: err=%d, "
1695                                                 "port=%d\n", ret, portid);
1696
1697                         qconf = &lcore_conf[lcore_id];
1698                         qconf->tx_queue_id[portid] = queueid;
1699                         queueid++;
1700                 }
1701                 printf("\n");
1702         }
1703
1704         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1705                 if (rte_lcore_is_enabled(lcore_id) == 0)
1706                         continue;
1707
1708                 /* init power management library */
1709                 ret = rte_power_init(lcore_id);
1710                 if (ret)
1711                         RTE_LOG(ERR, POWER,
1712                                 "Library initialization failed on core %u\n", lcore_id);
1713
1714                 /* init timer structures for each enabled lcore */
1715                 rte_timer_init(&power_timers[lcore_id]);
1716                 hz = rte_get_timer_hz();
1717                 rte_timer_reset(&power_timers[lcore_id],
1718                         hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1719                                                 power_timer_cb, NULL);
1720
1721                 qconf = &lcore_conf[lcore_id];
1722                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1723                 fflush(stdout);
1724                 /* init RX queues */
1725                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1726                         portid = qconf->rx_queue_list[queue].port_id;
1727                         queueid = qconf->rx_queue_list[queue].queue_id;
1728
1729                         if (numa_on)
1730                                 socketid = \
1731                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1732                         else
1733                                 socketid = 0;
1734
1735                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1736                         fflush(stdout);
1737
1738                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1739                                 socketid, NULL,
1740                                 pktmbuf_pool[socketid]);
1741                         if (ret < 0)
1742                                 rte_exit(EXIT_FAILURE,
1743                                         "rte_eth_rx_queue_setup: err=%d, "
1744                                                 "port=%d\n", ret, portid);
1745                 }
1746         }
1747
1748         printf("\n");
1749
1750         /* start ports */
1751         for (portid = 0; portid < nb_ports; portid++) {
1752                 if ((enabled_port_mask & (1 << portid)) == 0) {
1753                         continue;
1754                 }
1755                 /* Start device */
1756                 ret = rte_eth_dev_start(portid);
1757                 if (ret < 0)
1758                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1759                                                 "port=%d\n", ret, portid);
1760                 /*
1761                  * If enabled, put device in promiscuous mode.
1762                  * This allows IO forwarding mode to forward packets
1763                  * to itself through 2 cross-connected  ports of the
1764                  * target machine.
1765                  */
1766                 if (promiscuous_on)
1767                         rte_eth_promiscuous_enable(portid);
1768                 /* initialize spinlock for each port */
1769                 rte_spinlock_init(&(locks[portid]));
1770         }
1771
1772         check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
1773
1774         /* launch per-lcore init on every lcore */
1775         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1776         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1777                 if (rte_eal_wait_lcore(lcore_id) < 0)
1778                         return -1;
1779         }
1780
1781         return 0;
1782 }