examples/l3fwd-power/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 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_malloc.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_eal.h>
  54 #include <rte_launch.h>
  55 #include <rte_atomic.h>
  56 #include <rte_cycles.h>
  57 #include <rte_prefetch.h>
  58 #include <rte_lcore.h>
  59 #include <rte_per_lcore.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_interrupts.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_mempool.h>
  67 #include <rte_mbuf.h>
  68 #include <rte_ip.h>
  69 #include <rte_tcp.h>
  70 #include <rte_udp.h>
  71 #include <rte_string_fns.h>
  72 #include <rte_timer.h>
  73 #include <rte_power.h>
  74 #include <rte_spinlock.h>
  75
  76 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
  77
  78 #define MAX_PKT_BURST 32
  79
  80 #define MIN_ZERO_POLL_COUNT 10
  81
  82 /* around 100ms at 2 Ghz */
  83 #define TIMER_RESOLUTION_CYCLES           200000000ULL
  84 /* 100 ms interval */
  85 #define TIMER_NUMBER_PER_SECOND           10
  86 /* 100000 us */
  87 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
  88 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
  89
  90 #define APP_LOOKUP_EXACT_MATCH          0
  91 #define APP_LOOKUP_LPM                  1
  92 #define DO_RFC_1812_CHECKS
  93
  94 #ifndef APP_LOOKUP_METHOD
  95 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
  96 #endif
  97
  98 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
  99 #include <rte_hash.h>
 100 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 101 #include <rte_lpm.h>
 102 #else
 103 #error "APP_LOOKUP_METHOD set to incorrect value"
 104 #endif
 105
 106 #ifndef IPv6_BYTES
 107 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
 108                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
 109 #define IPv6_BYTES(addr) \
 110         addr[0],  addr[1], addr[2],  addr[3], \
 111         addr[4],  addr[5], addr[6],  addr[7], \
 112         addr[8],  addr[9], addr[10], addr[11],\
 113         addr[12], addr[13],addr[14], addr[15]
 114 #endif
 115
 116 #define MAX_JUMBO_PKT_LEN  9600
 117
 118 #define IPV6_ADDR_LEN 16
 119
 120 #define MEMPOOL_CACHE_SIZE 256
 121
 122 /*
 123  * This expression is used to calculate the number of mbufs needed depending on
 124  * user input, taking into account memory for rx and tx hardware rings, cache
 125  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
 126  * NB_MBUF never goes below a minimum value of 8192.
 127  */
 128
 129 #define NB_MBUF RTE_MAX ( \
 130         (nb_ports*nb_rx_queue*nb_rxd + \
 131         nb_ports*nb_lcores*MAX_PKT_BURST + \
 132         nb_ports*n_tx_queue*nb_txd + \
 133         nb_lcores*MEMPOOL_CACHE_SIZE), \
 134         (unsigned)8192)
 135
 136 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 137
 138 #define NB_SOCKETS 8
 139
 140 /* Configure how many packets ahead to prefetch, when reading packets */
 141 #define PREFETCH_OFFSET 3
 142
 143 /*
 144  * Configurable number of RX/TX ring descriptors
 145  */
 146 #define RTE_TEST_RX_DESC_DEFAULT 512
 147 #define RTE_TEST_TX_DESC_DEFAULT 512
 148 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 149 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 150
 151 /* ethernet addresses of ports */
 152 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 153
 154 /* ethernet addresses of ports */
 155 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
 156
 157 /* mask of enabled ports */
 158 static uint32_t enabled_port_mask = 0;
 159 /* Ports set in promiscuous mode off by default. */
 160 static int promiscuous_on = 0;
 161 /* NUMA is enabled by default. */
 162 static int numa_on = 1;
 163 static int parse_ptype; /**< Parse packet type using rx callback, and */
 164                         /**< disabled by default */
 165
 166 enum freq_scale_hint_t
 167 {
 168         FREQ_LOWER    =      -1,
 169         FREQ_CURRENT  =       0,
 170         FREQ_HIGHER   =       1,
 171         FREQ_HIGHEST  =       2
 172 };
 173
 174 struct lcore_rx_queue {
 175         uint16_t port_id;
 176         uint8_t queue_id;
 177         enum freq_scale_hint_t freq_up_hint;
 178         uint32_t zero_rx_packet_count;
 179         uint32_t idle_hint;
 180 } __rte_cache_aligned;
 181
 182 #define MAX_RX_QUEUE_PER_LCORE 16
 183 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 184 #define MAX_RX_QUEUE_PER_PORT 128
 185
 186 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
 187
 188
 189 #define MAX_LCORE_PARAMS 1024
 190 struct lcore_params {
 191         uint16_t port_id;
 192         uint8_t queue_id;
 193         uint8_t lcore_id;
 194 } __rte_cache_aligned;
 195
 196 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 197 static struct lcore_params lcore_params_array_default[] = {
 198         {0, 0, 2},
 199         {0, 1, 2},
 200         {0, 2, 2},
 201         {1, 0, 2},
 202         {1, 1, 2},
 203         {1, 2, 2},
 204         {2, 0, 2},
 205         {3, 0, 3},
 206         {3, 1, 3},
 207 };
 208
 209 static struct lcore_params * lcore_params = lcore_params_array_default;
 210 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 211                                 sizeof(lcore_params_array_default[0]);
 212
 213 static struct rte_eth_conf port_conf = {
 214         .rxmode = {
 215                 .mq_mode        = ETH_MQ_RX_RSS,
 216                 .max_rx_pkt_len = ETHER_MAX_LEN,
 217                 .split_hdr_size = 0,
 218                 .header_split   = 0, /**< Header Split disabled */
 219                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 220                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 221                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 222                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 223         },
 224         .rx_adv_conf = {
 225                 .rss_conf = {
 226                         .rss_key = NULL,
 227                         .rss_hf = ETH_RSS_UDP,
 228                 },
 229         },
 230         .txmode = {
 231                 .mq_mode = ETH_MQ_TX_NONE,
 232         },
 233         .intr_conf = {
 234                 .lsc = 1,
 235                 .rxq = 1,
 236         },
 237 };
 238
 239 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 240
 241
 242 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 243
 244 #ifdef RTE_ARCH_X86
 245 #include <rte_hash_crc.h>
 246 #define DEFAULT_HASH_FUNC       rte_hash_crc
 247 #else
 248 #include <rte_jhash.h>
 249 #define DEFAULT_HASH_FUNC       rte_jhash
 250 #endif
 251
 252 struct ipv4_5tuple {
 253         uint32_t ip_dst;
 254         uint32_t ip_src;
 255         uint16_t port_dst;
 256         uint16_t port_src;
 257         uint8_t  proto;
 258 } __attribute__((__packed__));
 259
 260 struct ipv6_5tuple {
 261         uint8_t  ip_dst[IPV6_ADDR_LEN];
 262         uint8_t  ip_src[IPV6_ADDR_LEN];
 263         uint16_t port_dst;
 264         uint16_t port_src;
 265         uint8_t  proto;
 266 } __attribute__((__packed__));
 267
 268 struct ipv4_l3fwd_route {
 269         struct ipv4_5tuple key;
 270         uint8_t if_out;
 271 };
 272
 273 struct ipv6_l3fwd_route {
 274         struct ipv6_5tuple key;
 275         uint8_t if_out;
 276 };
 277
 278 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 279         {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
 280         {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
 281         {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
 282         {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
 283 };
 284
 285 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 286         {
 287                 {
 288                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 289                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
 290                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 291                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
 292                          1, 10, IPPROTO_UDP
 293                 }, 4
 294         },
 295 };
 296
 297 typedef struct rte_hash lookup_struct_t;
 298 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 299 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
 300
 301 #define L3FWD_HASH_ENTRIES      1024
 302
 303 #define IPV4_L3FWD_NUM_ROUTES \
 304         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 305
 306 #define IPV6_L3FWD_NUM_ROUTES \
 307         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
 308
 309 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 310 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 311 #endif
 312
 313 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 314 struct ipv4_l3fwd_route {
 315         uint32_t ip;
 316         uint8_t  depth;
 317         uint8_t  if_out;
 318 };
 319
 320 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 321         {IPv4(1,1,1,0), 24, 0},
 322         {IPv4(2,1,1,0), 24, 1},
 323         {IPv4(3,1,1,0), 24, 2},
 324         {IPv4(4,1,1,0), 24, 3},
 325         {IPv4(5,1,1,0), 24, 4},
 326         {IPv4(6,1,1,0), 24, 5},
 327         {IPv4(7,1,1,0), 24, 6},
 328         {IPv4(8,1,1,0), 24, 7},
 329 };
 330
 331 #define IPV4_L3FWD_NUM_ROUTES \
 332         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 333
 334 #define IPV4_L3FWD_LPM_MAX_RULES     1024
 335
 336 typedef struct rte_lpm lookup_struct_t;
 337 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 338 #endif
 339
 340 struct lcore_conf {
 341         uint16_t n_rx_queue;
 342         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 343         uint16_t n_tx_port;
 344         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
 345         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 346         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
 347         lookup_struct_t * ipv4_lookup_struct;
 348         lookup_struct_t * ipv6_lookup_struct;
 349 } __rte_cache_aligned;
 350
 351 struct lcore_stats {
 352         /* total sleep time in ms since last frequency scaling down */
 353         uint32_t sleep_time;
 354         /* number of long sleep recently */
 355         uint32_t nb_long_sleep;
 356         /* freq. scaling up trend */
 357         uint32_t trend;
 358         /* total packet processed recently */
 359         uint64_t nb_rx_processed;
 360         /* total iterations looped recently */
 361         uint64_t nb_iteration_looped;
 362         uint32_t padding[9];
 363 } __rte_cache_aligned;
 364
 365 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
 366 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
 367 static struct rte_timer power_timers[RTE_MAX_LCORE];
 368
 369 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
 370 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
 371                 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
 372
 373 /* exit signal handler */
 374 static void
 375 signal_exit_now(int sigtype)
 376 {
 377         unsigned lcore_id;
 378         unsigned int portid, nb_ports;
 379         int ret;
 380
 381         if (sigtype == SIGINT) {
 382                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 383                         if (rte_lcore_is_enabled(lcore_id) == 0)
 384                                 continue;
 385
 386                         /* init power management library */
 387                         ret = rte_power_exit(lcore_id);
 388                         if (ret)
 389                                 rte_exit(EXIT_FAILURE, "Power management "
 390                                         "library de-initialization failed on "
 391                                                         "core%u\n", lcore_id);
 392                 }
 393
 394                 nb_ports = rte_eth_dev_count();
 395                 for (portid = 0; portid < nb_ports; portid++) {
 396                         if ((enabled_port_mask & (1 << portid)) == 0)
 397                                 continue;
 398
 399                         rte_eth_dev_stop(portid);
 400                         rte_eth_dev_close(portid);
 401                 }
 402         }
 403
 404         rte_exit(EXIT_SUCCESS, "User forced exit\n");
 405 }
 406
 407 /*  Freqency scale down timer callback */
 408 static void
 409 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 410                           __attribute__((unused)) void *arg)
 411 {
 412         uint64_t hz;
 413         float sleep_time_ratio;
 414         unsigned lcore_id = rte_lcore_id();
 415
 416         /* accumulate total execution time in us when callback is invoked */
 417         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
 418                                         (float)SCALING_PERIOD;
 419         /**
 420          * check whether need to scale down frequency a step if it sleep a lot.
 421          */
 422         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
 423                 if (rte_power_freq_down)
 424                         rte_power_freq_down(lcore_id);
 425         }
 426         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
 427                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
 428                 /**
 429                  * scale down a step if average packet per iteration less
 430                  * than expectation.
 431                  */
 432                 if (rte_power_freq_down)
 433                         rte_power_freq_down(lcore_id);
 434         }
 435
 436         /**
 437          * initialize another timer according to current frequency to ensure
 438          * timer interval is relatively fixed.
 439          */
 440         hz = rte_get_timer_hz();
 441         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
 442                                 SINGLE, lcore_id, power_timer_cb, NULL);
 443
 444         stats[lcore_id].nb_rx_processed = 0;
 445         stats[lcore_id].nb_iteration_looped = 0;
 446
 447         stats[lcore_id].sleep_time = 0;
 448 }
 449
 450 /* Enqueue a single packet, and send burst if queue is filled */
 451 static inline int
 452 send_single_packet(struct rte_mbuf *m, uint16_t port)
 453 {
 454         uint32_t lcore_id;
 455         struct lcore_conf *qconf;
 456
 457         lcore_id = rte_lcore_id();
 458         qconf = &lcore_conf[lcore_id];
 459
 460         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
 461                         qconf->tx_buffer[port], m);
 462
 463         return 0;
 464 }
 465
 466 #ifdef DO_RFC_1812_CHECKS
 467 static inline int
 468 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
 469 {
 470         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
 471         /*
 472          * 1. The packet length reported by the Link Layer must be large
 473          * enough to hold the minimum length legal IP datagram (20 bytes).
 474          */
 475         if (link_len < sizeof(struct ipv4_hdr))
 476                 return -1;
 477
 478         /* 2. The IP checksum must be correct. */
 479         /* this is checked in H/W */
 480
 481         /*
 482          * 3. The IP version number must be 4. If the version number is not 4
 483          * then the packet may be another version of IP, such as IPng or
 484          * ST-II.
 485          */
 486         if (((pkt->version_ihl) >> 4) != 4)
 487                 return -3;
 488         /*
 489          * 4. The IP header length field must be large enough to hold the
 490          * minimum length legal IP datagram (20 bytes = 5 words).
 491          */
 492         if ((pkt->version_ihl & 0xf) < 5)
 493                 return -4;
 494
 495         /*
 496          * 5. The IP total length field must be large enough to hold the IP
 497          * datagram header, whose length is specified in the IP header length
 498          * field.
 499          */
 500         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
 501                 return -5;
 502
 503         return 0;
 504 }
 505 #endif
 506
 507 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 508 static void
 509 print_ipv4_key(struct ipv4_5tuple key)
 510 {
 511         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
 512                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
 513                                 key.port_dst, key.port_src, key.proto);
 514 }
 515 static void
 516 print_ipv6_key(struct ipv6_5tuple key)
 517 {
 518         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
 519                 "port dst = %d, port src = %d, proto = %d\n",
 520                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
 521                 key.port_dst, key.port_src, key.proto);
 522 }
 523
 524 static inline uint16_t
 525 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 526                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
 527 {
 528         struct ipv4_5tuple key;
 529         struct tcp_hdr *tcp;
 530         struct udp_hdr *udp;
 531         int ret = 0;
 532
 533         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
 534         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
 535         key.proto = ipv4_hdr->next_proto_id;
 536
 537         switch (ipv4_hdr->next_proto_id) {
 538         case IPPROTO_TCP:
 539                 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
 540                                         sizeof(struct ipv4_hdr));
 541                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 542                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 543                 break;
 544
 545         case IPPROTO_UDP:
 546                 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
 547                                         sizeof(struct ipv4_hdr));
 548                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 549                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 550                 break;
 551
 552         default:
 553                 key.port_dst = 0;
 554                 key.port_src = 0;
 555                 break;
 556         }
 557
 558         /* Find destination port */
 559         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
 560         return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
 561 }
 562
 563 static inline uint16_t
 564 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
 565                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
 566 {
 567         struct ipv6_5tuple key;
 568         struct tcp_hdr *tcp;
 569         struct udp_hdr *udp;
 570         int ret = 0;
 571
 572         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
 573         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
 574
 575         key.proto = ipv6_hdr->proto;
 576
 577         switch (ipv6_hdr->proto) {
 578         case IPPROTO_TCP:
 579                 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
 580                                         sizeof(struct ipv6_hdr));
 581                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 582                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 583                 break;
 584
 585         case IPPROTO_UDP:
 586                 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
 587                                         sizeof(struct ipv6_hdr));
 588                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 589                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 590                 break;
 591
 592         default:
 593                 key.port_dst = 0;
 594                 key.port_src = 0;
 595                 break;
 596         }
 597
 598         /* Find destination port */
 599         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
 600         return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
 601 }
 602 #endif
 603
 604 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 605 static inline uint16_t
 606 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 607                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
 608 {
 609         uint32_t next_hop;
 610
 611         return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
 612                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
 613                         next_hop : portid);
 614 }
 615 #endif
 616
 617 static inline void
 618 parse_ptype_one(struct rte_mbuf *m)
 619 {
 620         struct ether_hdr *eth_hdr;
 621         uint32_t packet_type = RTE_PTYPE_UNKNOWN;
 622         uint16_t ether_type;
 623
 624         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 625         ether_type = eth_hdr->ether_type;
 626         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 627                 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 628         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
 629                 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 630
 631         m->packet_type = packet_type;
 632 }
 633
 634 static uint16_t
 635 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
 636                struct rte_mbuf *pkts[], uint16_t nb_pkts,
 637                uint16_t max_pkts __rte_unused,
 638                void *user_param __rte_unused)
 639 {
 640         unsigned int i;
 641
 642         for (i = 0; i < nb_pkts; ++i)
 643                 parse_ptype_one(pkts[i]);
 644
 645         return nb_pkts;
 646 }
 647
 648 static int
 649 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
 650 {
 651         printf("Port %d: softly parse packet type info\n", portid);
 652         if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
 653                 return 0;
 654
 655         printf("Failed to add rx callback: port=%d\n", portid);
 656         return -1;
 657 }
 658
 659 static inline void
 660 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 661                                 struct lcore_conf *qconf)
 662 {
 663         struct ether_hdr *eth_hdr;
 664         struct ipv4_hdr *ipv4_hdr;
 665         void *d_addr_bytes;
 666         uint16_t dst_port;
 667
 668         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 669
 670         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 671                 /* Handle IPv4 headers.*/
 672                 ipv4_hdr =
 673                         rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
 674                                                 sizeof(struct ether_hdr));
 675
 676 #ifdef DO_RFC_1812_CHECKS
 677                 /* Check to make sure the packet is valid (RFC1812) */
 678                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
 679                         rte_pktmbuf_free(m);
 680                         return;
 681                 }
 682 #endif
 683
 684                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
 685                                         qconf->ipv4_lookup_struct);
 686                 if (dst_port >= RTE_MAX_ETHPORTS ||
 687                                 (enabled_port_mask & 1 << dst_port) == 0)
 688                         dst_port = portid;
 689
 690                 /* 02:00:00:00:00:xx */
 691                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 692                 *((uint64_t *)d_addr_bytes) =
 693                         0x000000000002 + ((uint64_t)dst_port << 40);
 694
 695 #ifdef DO_RFC_1812_CHECKS
 696                 /* Update time to live and header checksum */
 697                 --(ipv4_hdr->time_to_live);
 698                 ++(ipv4_hdr->hdr_checksum);
 699 #endif
 700
 701                 /* src addr */
 702                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 703
 704                 send_single_packet(m, dst_port);
 705         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 706                 /* Handle IPv6 headers.*/
 707 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 708                 struct ipv6_hdr *ipv6_hdr;
 709
 710                 ipv6_hdr =
 711                         rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
 712                                                 sizeof(struct ether_hdr));
 713
 714                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
 715                                         qconf->ipv6_lookup_struct);
 716
 717                 if (dst_port >= RTE_MAX_ETHPORTS ||
 718                                 (enabled_port_mask & 1 << dst_port) == 0)
 719                         dst_port = portid;
 720
 721                 /* 02:00:00:00:00:xx */
 722                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 723                 *((uint64_t *)d_addr_bytes) =
 724                         0x000000000002 + ((uint64_t)dst_port << 40);
 725
 726                 /* src addr */
 727                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 728
 729                 send_single_packet(m, dst_port);
 730 #else
 731                 /* We don't currently handle IPv6 packets in LPM mode. */
 732                 rte_pktmbuf_free(m);
 733 #endif
 734         } else
 735                 rte_pktmbuf_free(m);
 736
 737 }
 738
 739 #define MINIMUM_SLEEP_TIME         1
 740 #define SUSPEND_THRESHOLD          300
 741
 742 static inline uint32_t
 743 power_idle_heuristic(uint32_t zero_rx_packet_count)
 744 {
 745         /* If zero count is less than 100,  sleep 1us */
 746         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
 747                 return MINIMUM_SLEEP_TIME;
 748         /* If zero count is less than 1000, sleep 100 us which is the
 749                 minimum latency switching from C3/C6 to C0
 750         */
 751         else
 752                 return SUSPEND_THRESHOLD;
 753 }
 754
 755 static inline enum freq_scale_hint_t
 756 power_freq_scaleup_heuristic(unsigned lcore_id,
 757                              uint16_t port_id,
 758                              uint16_t queue_id)
 759 {
 760 /**
 761  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
 762  * per iteration
 763  */
 764 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
 765 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
 766 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
 767 #define FREQ_UP_TREND1_ACC   1
 768 #define FREQ_UP_TREND2_ACC   100
 769 #define FREQ_UP_THRESHOLD    10000
 770
 771         if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 772                         FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
 773                 stats[lcore_id].trend = 0;
 774                 return FREQ_HIGHEST;
 775         } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 776                         FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
 777                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
 778         else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 779                         FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
 780                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
 781
 782         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
 783                 stats[lcore_id].trend = 0;
 784                 return FREQ_HIGHER;
 785         }
 786
 787         return FREQ_CURRENT;
 788 }
 789
 790 /**
 791  * force polling thread sleep until one-shot rx interrupt triggers
 792  * @param port_id
 793  *  Port id.
 794  * @param queue_id
 795  *  Rx queue id.
 796  * @return
 797  *  0 on success
 798  */
 799 static int
 800 sleep_until_rx_interrupt(int num)
 801 {
 802         struct rte_epoll_event event[num];
 803         int n, i;
 804         uint16_t port_id;
 805         uint8_t queue_id;
 806         void *data;
 807
 808         RTE_LOG(INFO, L3FWD_POWER,
 809                 "lcore %u sleeps until interrupt triggers\n",
 810                 rte_lcore_id());
 811
 812         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
 813         for (i = 0; i < n; i++) {
 814                 data = event[i].epdata.data;
 815                 port_id = ((uintptr_t)data) >> CHAR_BIT;
 816                 queue_id = ((uintptr_t)data) &
 817                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
 818                 rte_eth_dev_rx_intr_disable(port_id, queue_id);
 819                 RTE_LOG(INFO, L3FWD_POWER,
 820                         "lcore %u is waked up from rx interrupt on"
 821                         " port %d queue %d\n",
 822                         rte_lcore_id(), port_id, queue_id);
 823         }
 824
 825         return 0;
 826 }
 827
 828 static void turn_on_intr(struct lcore_conf *qconf)
 829 {
 830         int i;
 831         struct lcore_rx_queue *rx_queue;
 832         uint8_t queue_id;
 833         uint16_t port_id;
 834
 835         for (i = 0; i < qconf->n_rx_queue; ++i) {
 836                 rx_queue = &(qconf->rx_queue_list[i]);
 837                 port_id = rx_queue->port_id;
 838                 queue_id = rx_queue->queue_id;
 839
 840                 rte_spinlock_lock(&(locks[port_id]));
 841                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
 842                 rte_spinlock_unlock(&(locks[port_id]));
 843         }
 844 }
 845
 846 static int event_register(struct lcore_conf *qconf)
 847 {
 848         struct lcore_rx_queue *rx_queue;
 849         uint8_t queueid;
 850         uint16_t portid;
 851         uint32_t data;
 852         int ret;
 853         int i;
 854
 855         for (i = 0; i < qconf->n_rx_queue; ++i) {
 856                 rx_queue = &(qconf->rx_queue_list[i]);
 857                 portid = rx_queue->port_id;
 858                 queueid = rx_queue->queue_id;
 859                 data = portid << CHAR_BIT | queueid;
 860
 861                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
 862                                                 RTE_EPOLL_PER_THREAD,
 863                                                 RTE_INTR_EVENT_ADD,
 864                                                 (void *)((uintptr_t)data));
 865                 if (ret)
 866                         return ret;
 867         }
 868
 869         return 0;
 870 }
 871
 872 /* main processing loop */
 873 static int
 874 main_loop(__attribute__((unused)) void *dummy)
 875 {
 876         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 877         unsigned lcore_id;
 878         uint64_t prev_tsc, diff_tsc, cur_tsc;
 879         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
 880         int i, j, nb_rx;
 881         uint8_t queueid;
 882         uint16_t portid;
 883         struct lcore_conf *qconf;
 884         struct lcore_rx_queue *rx_queue;
 885         enum freq_scale_hint_t lcore_scaleup_hint;
 886         uint32_t lcore_rx_idle_count = 0;
 887         uint32_t lcore_idle_hint = 0;
 888         int intr_en = 0;
 889
 890         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 891
 892         prev_tsc = 0;
 893
 894         lcore_id = rte_lcore_id();
 895         qconf = &lcore_conf[lcore_id];
 896
 897         if (qconf->n_rx_queue == 0) {
 898                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
 899                 return 0;
 900         }
 901
 902         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
 903
 904         for (i = 0; i < qconf->n_rx_queue; i++) {
 905                 portid = qconf->rx_queue_list[i].port_id;
 906                 queueid = qconf->rx_queue_list[i].queue_id;
 907                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
 908                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
 909         }
 910
 911         /* add into event wait list */
 912         if (event_register(qconf) == 0)
 913                 intr_en = 1;
 914         else
 915                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
 916
 917         while (1) {
 918                 stats[lcore_id].nb_iteration_looped++;
 919
 920                 cur_tsc = rte_rdtsc();
 921                 cur_tsc_power = cur_tsc;
 922
 923                 /*
 924                  * TX burst queue drain
 925                  */
 926                 diff_tsc = cur_tsc - prev_tsc;
 927                 if (unlikely(diff_tsc > drain_tsc)) {
 928                         for (i = 0; i < qconf->n_tx_port; ++i) {
 929                                 portid = qconf->tx_port_id[i];
 930                                 rte_eth_tx_buffer_flush(portid,
 931                                                 qconf->tx_queue_id[portid],
 932                                                 qconf->tx_buffer[portid]);
 933                         }
 934                         prev_tsc = cur_tsc;
 935                 }
 936
 937                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
 938                 if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
 939                         rte_timer_manage();
 940                         prev_tsc_power = cur_tsc_power;
 941                 }
 942
 943 start_rx:
 944                 /*
 945                  * Read packet from RX queues
 946                  */
 947                 lcore_scaleup_hint = FREQ_CURRENT;
 948                 lcore_rx_idle_count = 0;
 949                 for (i = 0; i < qconf->n_rx_queue; ++i) {
 950                         rx_queue = &(qconf->rx_queue_list[i]);
 951                         rx_queue->idle_hint = 0;
 952                         portid = rx_queue->port_id;
 953                         queueid = rx_queue->queue_id;
 954
 955                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
 956                                                                 MAX_PKT_BURST);
 957
 958                         stats[lcore_id].nb_rx_processed += nb_rx;
 959                         if (unlikely(nb_rx == 0)) {
 960                                 /**
 961                                  * no packet received from rx queue, try to
 962                                  * sleep for a while forcing CPU enter deeper
 963                                  * C states.
 964                                  */
 965                                 rx_queue->zero_rx_packet_count++;
 966
 967                                 if (rx_queue->zero_rx_packet_count <=
 968                                                         MIN_ZERO_POLL_COUNT)
 969                                         continue;
 970
 971                                 rx_queue->idle_hint = power_idle_heuristic(\
 972                                         rx_queue->zero_rx_packet_count);
 973                                 lcore_rx_idle_count++;
 974                         } else {
 975                                 rx_queue->zero_rx_packet_count = 0;
 976
 977                                 /**
 978                                  * do not scale up frequency immediately as
 979                                  * user to kernel space communication is costly
 980                                  * which might impact packet I/O for received
 981                                  * packets.
 982                                  */
 983                                 rx_queue->freq_up_hint =
 984                                         power_freq_scaleup_heuristic(lcore_id,
 985                                                         portid, queueid);
 986                         }
 987
 988                         /* Prefetch first packets */
 989                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
 990                                 rte_prefetch0(rte_pktmbuf_mtod(
 991                                                 pkts_burst[j], void *));
 992                         }
 993
 994                         /* Prefetch and forward already prefetched packets */
 995                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
 996                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
 997                                                 j + PREFETCH_OFFSET], void *));
 998                                 l3fwd_simple_forward(pkts_burst[j], portid,
 999                                                                 qconf);
1000                         }
1001
1002                         /* Forward remaining prefetched packets */
1003                         for (; j < nb_rx; j++) {
1004                                 l3fwd_simple_forward(pkts_burst[j], portid,
1005                                                                 qconf);
1006                         }
1007                 }
1008
1009                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1010                         for (i = 1, lcore_scaleup_hint =
1011                                 qconf->rx_queue_list[0].freq_up_hint;
1012                                         i < qconf->n_rx_queue; ++i) {
1013                                 rx_queue = &(qconf->rx_queue_list[i]);
1014                                 if (rx_queue->freq_up_hint >
1015                                                 lcore_scaleup_hint)
1016                                         lcore_scaleup_hint =
1017                                                 rx_queue->freq_up_hint;
1018                         }
1019
1020                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
1021                                 if (rte_power_freq_max)
1022                                         rte_power_freq_max(lcore_id);
1023                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1024                                 if (rte_power_freq_up)
1025                                         rte_power_freq_up(lcore_id);
1026                         }
1027                 } else {
1028                         /**
1029                          * All Rx queues empty in recent consecutive polls,
1030                          * sleep in a conservative manner, meaning sleep as
1031                          * less as possible.
1032                          */
1033                         for (i = 1, lcore_idle_hint =
1034                                 qconf->rx_queue_list[0].idle_hint;
1035                                         i < qconf->n_rx_queue; ++i) {
1036                                 rx_queue = &(qconf->rx_queue_list[i]);
1037                                 if (rx_queue->idle_hint < lcore_idle_hint)
1038                                         lcore_idle_hint = rx_queue->idle_hint;
1039                         }
1040
1041                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1042                                 /**
1043                                  * execute "pause" instruction to avoid context
1044                                  * switch which generally take hundred of
1045                                  * microseconds for short sleep.
1046                                  */
1047                                 rte_delay_us(lcore_idle_hint);
1048                         else {
1049                                 /* suspend until rx interrupt trigges */
1050                                 if (intr_en) {
1051                                         turn_on_intr(qconf);
1052                                         sleep_until_rx_interrupt(
1053                                                 qconf->n_rx_queue);
1054                                 }
1055                                 /* start receiving packets immediately */
1056                                 goto start_rx;
1057                         }
1058                         stats[lcore_id].sleep_time += lcore_idle_hint;
1059                 }
1060         }
1061 }
1062
1063 static int
1064 check_lcore_params(void)
1065 {
1066         uint8_t queue, lcore;
1067         uint16_t i;
1068         int socketid;
1069
1070         for (i = 0; i < nb_lcore_params; ++i) {
1071                 queue = lcore_params[i].queue_id;
1072                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1073                         printf("invalid queue number: %hhu\n", queue);
1074                         return -1;
1075                 }
1076                 lcore = lcore_params[i].lcore_id;
1077                 if (!rte_lcore_is_enabled(lcore)) {
1078                         printf("error: lcore %hhu is not enabled in lcore "
1079                                                         "mask\n", lcore);
1080                         return -1;
1081                 }
1082                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1083                                                         (numa_on == 0)) {
1084                         printf("warning: lcore %hhu is on socket %d with numa "
1085                                                 "off\n", lcore, socketid);
1086                 }
1087         }
1088         return 0;
1089 }
1090
1091 static int
1092 check_port_config(const unsigned nb_ports)
1093 {
1094         unsigned portid;
1095         uint16_t i;
1096
1097         for (i = 0; i < nb_lcore_params; ++i) {
1098                 portid = lcore_params[i].port_id;
1099                 if ((enabled_port_mask & (1 << portid)) == 0) {
1100                         printf("port %u is not enabled in port mask\n",
1101                                                                 portid);
1102                         return -1;
1103                 }
1104                 if (portid >= nb_ports) {
1105                         printf("port %u is not present on the board\n",
1106                                                                 portid);
1107                         return -1;
1108                 }
1109         }
1110         return 0;
1111 }
1112
1113 static uint8_t
1114 get_port_n_rx_queues(const uint16_t port)
1115 {
1116         int queue = -1;
1117         uint16_t i;
1118
1119         for (i = 0; i < nb_lcore_params; ++i) {
1120                 if (lcore_params[i].port_id == port &&
1121                                 lcore_params[i].queue_id > queue)
1122                         queue = lcore_params[i].queue_id;
1123         }
1124         return (uint8_t)(++queue);
1125 }
1126
1127 static int
1128 init_lcore_rx_queues(void)
1129 {
1130         uint16_t i, nb_rx_queue;
1131         uint8_t lcore;
1132
1133         for (i = 0; i < nb_lcore_params; ++i) {
1134                 lcore = lcore_params[i].lcore_id;
1135                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1136                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1137                         printf("error: too many queues (%u) for lcore: %u\n",
1138                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1139                         return -1;
1140                 } else {
1141                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1142                                 lcore_params[i].port_id;
1143                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1144                                 lcore_params[i].queue_id;
1145                         lcore_conf[lcore].n_rx_queue++;
1146                 }
1147         }
1148         return 0;
1149 }
1150
1151 /* display usage */
1152 static void
1153 print_usage(const char *prgname)
1154 {
1155         printf ("%s [EAL options] -- -p PORTMASK -P"
1156                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1157                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1158                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1159                 "  -P : enable promiscuous mode\n"
1160                 "  --config (port,queue,lcore): rx queues configuration\n"
1161                 "  --no-numa: optional, disable numa awareness\n"
1162                 "  --enable-jumbo: enable jumbo frame"
1163                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1164                 "  --parse-ptype: parse packet type by software\n",
1165                 prgname);
1166 }
1167
1168 static int parse_max_pkt_len(const char *pktlen)
1169 {
1170         char *end = NULL;
1171         unsigned long len;
1172
1173         /* parse decimal string */
1174         len = strtoul(pktlen, &end, 10);
1175         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1176                 return -1;
1177
1178         if (len == 0)
1179                 return -1;
1180
1181         return len;
1182 }
1183
1184 static int
1185 parse_portmask(const char *portmask)
1186 {
1187         char *end = NULL;
1188         unsigned long pm;
1189
1190         /* parse hexadecimal string */
1191         pm = strtoul(portmask, &end, 16);
1192         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1193                 return -1;
1194
1195         if (pm == 0)
1196                 return -1;
1197
1198         return pm;
1199 }
1200
1201 static int
1202 parse_config(const char *q_arg)
1203 {
1204         char s[256];
1205         const char *p, *p0 = q_arg;
1206         char *end;
1207         enum fieldnames {
1208                 FLD_PORT = 0,
1209                 FLD_QUEUE,
1210                 FLD_LCORE,
1211                 _NUM_FLD
1212         };
1213         unsigned long int_fld[_NUM_FLD];
1214         char *str_fld[_NUM_FLD];
1215         int i;
1216         unsigned size;
1217
1218         nb_lcore_params = 0;
1219
1220         while ((p = strchr(p0,'(')) != NULL) {
1221                 ++p;
1222                 if((p0 = strchr(p,')')) == NULL)
1223                         return -1;
1224
1225                 size = p0 - p;
1226                 if(size >= sizeof(s))
1227                         return -1;
1228
1229                 snprintf(s, sizeof(s), "%.*s", size, p);
1230                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1231                                                                 _NUM_FLD)
1232                         return -1;
1233                 for (i = 0; i < _NUM_FLD; i++){
1234                         errno = 0;
1235                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1236                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1237                                                                         255)
1238                                 return -1;
1239                 }
1240                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1241                         printf("exceeded max number of lcore params: %hu\n",
1242                                 nb_lcore_params);
1243                         return -1;
1244                 }
1245                 lcore_params_array[nb_lcore_params].port_id =
1246                                 (uint8_t)int_fld[FLD_PORT];
1247                 lcore_params_array[nb_lcore_params].queue_id =
1248                                 (uint8_t)int_fld[FLD_QUEUE];
1249                 lcore_params_array[nb_lcore_params].lcore_id =
1250                                 (uint8_t)int_fld[FLD_LCORE];
1251                 ++nb_lcore_params;
1252         }
1253         lcore_params = lcore_params_array;
1254
1255         return 0;
1256 }
1257
1258 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1259
1260 /* Parse the argument given in the command line of the application */
1261 static int
1262 parse_args(int argc, char **argv)
1263 {
1264         int opt, ret;
1265         char **argvopt;
1266         int option_index;
1267         char *prgname = argv[0];
1268         static struct option lgopts[] = {
1269                 {"config", 1, 0, 0},
1270                 {"no-numa", 0, 0, 0},
1271                 {"enable-jumbo", 0, 0, 0},
1272                 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1273                 {NULL, 0, 0, 0}
1274         };
1275
1276         argvopt = argv;
1277
1278         while ((opt = getopt_long(argc, argvopt, "p:P",
1279                                 lgopts, &option_index)) != EOF) {
1280
1281                 switch (opt) {
1282                 /* portmask */
1283                 case 'p':
1284                         enabled_port_mask = parse_portmask(optarg);
1285                         if (enabled_port_mask == 0) {
1286                                 printf("invalid portmask\n");
1287                                 print_usage(prgname);
1288                                 return -1;
1289                         }
1290                         break;
1291                 case 'P':
1292                         printf("Promiscuous mode selected\n");
1293                         promiscuous_on = 1;
1294                         break;
1295
1296                 /* long options */
1297                 case 0:
1298                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1299                                 ret = parse_config(optarg);
1300                                 if (ret) {
1301                                         printf("invalid config\n");
1302                                         print_usage(prgname);
1303                                         return -1;
1304                                 }
1305                         }
1306
1307                         if (!strncmp(lgopts[option_index].name,
1308                                                 "no-numa", 7)) {
1309                                 printf("numa is disabled \n");
1310                                 numa_on = 0;
1311                         }
1312
1313                         if (!strncmp(lgopts[option_index].name,
1314                                         "enable-jumbo", 12)) {
1315                                 struct option lenopts =
1316                                         {"max-pkt-len", required_argument, \
1317                                                                         0, 0};
1318
1319                                 printf("jumbo frame is enabled \n");
1320                                 port_conf.rxmode.jumbo_frame = 1;
1321
1322                                 /**
1323                                  * if no max-pkt-len set, use the default value
1324                                  * ETHER_MAX_LEN
1325                                  */
1326                                 if (0 == getopt_long(argc, argvopt, "",
1327                                                 &lenopts, &option_index)) {
1328                                         ret = parse_max_pkt_len(optarg);
1329                                         if ((ret < 64) ||
1330                                                 (ret > MAX_JUMBO_PKT_LEN)){
1331                                                 printf("invalid packet "
1332                                                                 "length\n");
1333                                                 print_usage(prgname);
1334                                                 return -1;
1335                                         }
1336                                         port_conf.rxmode.max_rx_pkt_len = ret;
1337                                 }
1338                                 printf("set jumbo frame "
1339                                         "max packet length to %u\n",
1340                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1341                         }
1342
1343                         if (!strncmp(lgopts[option_index].name,
1344                                      CMD_LINE_OPT_PARSE_PTYPE,
1345                                      sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1346                                 printf("soft parse-ptype is enabled\n");
1347                                 parse_ptype = 1;
1348                         }
1349
1350                         break;
1351
1352                 default:
1353                         print_usage(prgname);
1354                         return -1;
1355                 }
1356         }
1357
1358         if (optind >= 0)
1359                 argv[optind-1] = prgname;
1360
1361         ret = optind-1;
1362         optind = 1; /* reset getopt lib */
1363         return ret;
1364 }
1365
1366 static void
1367 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1368 {
1369         char buf[ETHER_ADDR_FMT_SIZE];
1370         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1371         printf("%s%s", name, buf);
1372 }
1373
1374 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1375 static void
1376 setup_hash(int socketid)
1377 {
1378         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1379                 .name = NULL,
1380                 .entries = L3FWD_HASH_ENTRIES,
1381                 .key_len = sizeof(struct ipv4_5tuple),
1382                 .hash_func = DEFAULT_HASH_FUNC,
1383                 .hash_func_init_val = 0,
1384         };
1385
1386         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1387                 .name = NULL,
1388                 .entries = L3FWD_HASH_ENTRIES,
1389                 .key_len = sizeof(struct ipv6_5tuple),
1390                 .hash_func = DEFAULT_HASH_FUNC,
1391                 .hash_func_init_val = 0,
1392         };
1393
1394         unsigned i;
1395         int ret;
1396         char s[64];
1397
1398         /* create ipv4 hash */
1399         snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1400         ipv4_l3fwd_hash_params.name = s;
1401         ipv4_l3fwd_hash_params.socket_id = socketid;
1402         ipv4_l3fwd_lookup_struct[socketid] =
1403                 rte_hash_create(&ipv4_l3fwd_hash_params);
1404         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1405                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1406                                 "socket %d\n", socketid);
1407
1408         /* create ipv6 hash */
1409         snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1410         ipv6_l3fwd_hash_params.name = s;
1411         ipv6_l3fwd_hash_params.socket_id = socketid;
1412         ipv6_l3fwd_lookup_struct[socketid] =
1413                 rte_hash_create(&ipv6_l3fwd_hash_params);
1414         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1415                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1416                                 "socket %d\n", socketid);
1417
1418
1419         /* populate the ipv4 hash */
1420         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1421                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1422                                 (void *) &ipv4_l3fwd_route_array[i].key);
1423                 if (ret < 0) {
1424                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1425                                 "l3fwd hash on socket %d\n", i, socketid);
1426                 }
1427                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1428                 printf("Hash: Adding key\n");
1429                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1430         }
1431
1432         /* populate the ipv6 hash */
1433         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1434                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1435                                 (void *) &ipv6_l3fwd_route_array[i].key);
1436                 if (ret < 0) {
1437                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1438                                 "l3fwd hash on socket %d\n", i, socketid);
1439                 }
1440                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1441                 printf("Hash: Adding key\n");
1442                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1443         }
1444 }
1445 #endif
1446
1447 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1448 static void
1449 setup_lpm(int socketid)
1450 {
1451         unsigned i;
1452         int ret;
1453         char s[64];
1454
1455         /* create the LPM table */
1456         struct rte_lpm_config lpm_ipv4_config;
1457
1458         lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1459         lpm_ipv4_config.number_tbl8s = 256;
1460         lpm_ipv4_config.flags = 0;
1461
1462         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1463         ipv4_l3fwd_lookup_struct[socketid] =
1464                         rte_lpm_create(s, socketid, &lpm_ipv4_config);
1465         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1466                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1467                                 " on socket %d\n", socketid);
1468
1469         /* populate the LPM table */
1470         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1471                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1472                         ipv4_l3fwd_route_array[i].ip,
1473                         ipv4_l3fwd_route_array[i].depth,
1474                         ipv4_l3fwd_route_array[i].if_out);
1475
1476                 if (ret < 0) {
1477                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1478                                 "l3fwd LPM table on socket %d\n",
1479                                 i, socketid);
1480                 }
1481
1482                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1483                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1484                         ipv4_l3fwd_route_array[i].depth,
1485                         ipv4_l3fwd_route_array[i].if_out);
1486         }
1487 }
1488 #endif
1489
1490 static int
1491 init_mem(unsigned nb_mbuf)
1492 {
1493         struct lcore_conf *qconf;
1494         int socketid;
1495         unsigned lcore_id;
1496         char s[64];
1497
1498         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1499                 if (rte_lcore_is_enabled(lcore_id) == 0)
1500                         continue;
1501
1502                 if (numa_on)
1503                         socketid = rte_lcore_to_socket_id(lcore_id);
1504                 else
1505                         socketid = 0;
1506
1507                 if (socketid >= NB_SOCKETS) {
1508                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1509                                         "out of range %d\n", socketid,
1510                                                 lcore_id, NB_SOCKETS);
1511                 }
1512                 if (pktmbuf_pool[socketid] == NULL) {
1513                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1514                         pktmbuf_pool[socketid] =
1515                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1516                                         MEMPOOL_CACHE_SIZE, 0,
1517                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1518                                         socketid);
1519                         if (pktmbuf_pool[socketid] == NULL)
1520                                 rte_exit(EXIT_FAILURE,
1521                                         "Cannot init mbuf pool on socket %d\n",
1522                                                                 socketid);
1523                         else
1524                                 printf("Allocated mbuf pool on socket %d\n",
1525                                                                 socketid);
1526
1527 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1528                         setup_lpm(socketid);
1529 #else
1530                         setup_hash(socketid);
1531 #endif
1532                 }
1533                 qconf = &lcore_conf[lcore_id];
1534                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1535 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1536                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1537 #endif
1538         }
1539         return 0;
1540 }
1541
1542 /* Check the link status of all ports in up to 9s, and print them finally */
1543 static void
1544 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1545 {
1546 #define CHECK_INTERVAL 100 /* 100ms */
1547 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1548         uint8_t count, all_ports_up, print_flag = 0;
1549         uint16_t portid;
1550         struct rte_eth_link link;
1551
1552         printf("\nChecking link status");
1553         fflush(stdout);
1554         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1555                 all_ports_up = 1;
1556                 for (portid = 0; portid < port_num; portid++) {
1557                         if ((port_mask & (1 << portid)) == 0)
1558                                 continue;
1559                         memset(&link, 0, sizeof(link));
1560                         rte_eth_link_get_nowait(portid, &link);
1561                         /* print link status if flag set */
1562                         if (print_flag == 1) {
1563                                 if (link.link_status)
1564                                         printf("Port %d Link Up - speed %u "
1565                                                 "Mbps - %s\n", (uint8_t)portid,
1566                                                 (unsigned)link.link_speed,
1567                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1568                                         ("full-duplex") : ("half-duplex\n"));
1569                                 else
1570                                         printf("Port %d Link Down\n",
1571                                                 (uint8_t)portid);
1572                                 continue;
1573                         }
1574                         /* clear all_ports_up flag if any link down */
1575                         if (link.link_status == ETH_LINK_DOWN) {
1576                                 all_ports_up = 0;
1577                                 break;
1578                         }
1579                 }
1580                 /* after finally printing all link status, get out */
1581                 if (print_flag == 1)
1582                         break;
1583
1584                 if (all_ports_up == 0) {
1585                         printf(".");
1586                         fflush(stdout);
1587                         rte_delay_ms(CHECK_INTERVAL);
1588                 }
1589
1590                 /* set the print_flag if all ports up or timeout */
1591                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1592                         print_flag = 1;
1593                         printf("done\n");
1594                 }
1595         }
1596 }
1597
1598 static int check_ptype(uint16_t portid)
1599 {
1600         int i, ret;
1601         int ptype_l3_ipv4 = 0;
1602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1603         int ptype_l3_ipv6 = 0;
1604 #endif
1605         uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1606
1607         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1608         if (ret <= 0)
1609                 return 0;
1610
1611         uint32_t ptypes[ret];
1612
1613         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1614         for (i = 0; i < ret; ++i) {
1615                 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1616                         ptype_l3_ipv4 = 1;
1617 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1618                 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1619                         ptype_l3_ipv6 = 1;
1620 #endif
1621         }
1622
1623         if (ptype_l3_ipv4 == 0)
1624                 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1625
1626 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1627         if (ptype_l3_ipv6 == 0)
1628                 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1629 #endif
1630
1631 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1632         if (ptype_l3_ipv4)
1633 #else /* APP_LOOKUP_EXACT_MATCH */
1634         if (ptype_l3_ipv4 && ptype_l3_ipv6)
1635 #endif
1636                 return 1;
1637
1638         return 0;
1639
1640 }
1641
1642 int
1643 main(int argc, char **argv)
1644 {
1645         struct lcore_conf *qconf;
1646         struct rte_eth_dev_info dev_info;
1647         struct rte_eth_txconf *txconf;
1648         int ret;
1649         uint16_t nb_ports;
1650         uint16_t queueid;
1651         unsigned lcore_id;
1652         uint64_t hz;
1653         uint32_t n_tx_queue, nb_lcores;
1654         uint32_t dev_rxq_num, dev_txq_num;
1655         uint8_t nb_rx_queue, queue, socketid;
1656         uint16_t portid;
1657         uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1658
1659         /* catch SIGINT and restore cpufreq governor to ondemand */
1660         signal(SIGINT, signal_exit_now);
1661
1662         /* init EAL */
1663         ret = rte_eal_init(argc, argv);
1664         if (ret < 0)
1665                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1666         argc -= ret;
1667         argv += ret;
1668
1669         /* init RTE timer library to be used late */
1670         rte_timer_subsystem_init();
1671
1672         /* parse application arguments (after the EAL ones) */
1673         ret = parse_args(argc, argv);
1674         if (ret < 0)
1675                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1676
1677         if (check_lcore_params() < 0)
1678                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1679
1680         ret = init_lcore_rx_queues();
1681         if (ret < 0)
1682                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1683
1684         nb_ports = rte_eth_dev_count();
1685
1686         if (check_port_config(nb_ports) < 0)
1687                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1688
1689         nb_lcores = rte_lcore_count();
1690
1691         /* initialize all ports */
1692         for (portid = 0; portid < nb_ports; portid++) {
1693                 /* skip ports that are not enabled */
1694                 if ((enabled_port_mask & (1 << portid)) == 0) {
1695                         printf("\nSkipping disabled port %d\n", portid);
1696                         continue;
1697                 }
1698
1699                 /* init port */
1700                 printf("Initializing port %d ... ", portid );
1701                 fflush(stdout);
1702
1703                 rte_eth_dev_info_get(portid, &dev_info);
1704                 dev_rxq_num = dev_info.max_rx_queues;
1705                 dev_txq_num = dev_info.max_tx_queues;
1706
1707                 nb_rx_queue = get_port_n_rx_queues(portid);
1708                 if (nb_rx_queue > dev_rxq_num)
1709                         rte_exit(EXIT_FAILURE,
1710                                 "Cannot configure not existed rxq: "
1711                                 "port=%d\n", portid);
1712
1713                 n_tx_queue = nb_lcores;
1714                 if (n_tx_queue > dev_txq_num)
1715                         n_tx_queue = dev_txq_num;
1716                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1717                         nb_rx_queue, (unsigned)n_tx_queue );
1718                 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1719                 if (nb_rx_queue == 0)
1720                         port_conf.intr_conf.rxq = 0;
1721                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1722                                         (uint16_t)n_tx_queue, &port_conf);
1723                 /* Revert to original value */
1724                 port_conf.intr_conf.rxq = org_rxq_intr;
1725                 if (ret < 0)
1726                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1727                                         "err=%d, port=%d\n", ret, portid);
1728
1729                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1730                                                        &nb_txd);
1731                 if (ret < 0)
1732                         rte_exit(EXIT_FAILURE,
1733                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
1734                                  ret, portid);
1735
1736                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1737                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1738                 printf(", ");
1739
1740                 /* init memory */
1741                 ret = init_mem(NB_MBUF);
1742                 if (ret < 0)
1743                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1744
1745                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1746                         if (rte_lcore_is_enabled(lcore_id) == 0)
1747                                 continue;
1748
1749                         /* Initialize TX buffers */
1750                         qconf = &lcore_conf[lcore_id];
1751                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1752                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1753                                 rte_eth_dev_socket_id(portid));
1754                         if (qconf->tx_buffer[portid] == NULL)
1755                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1756                                                  portid);
1757
1758                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1759                 }
1760
1761                 /* init one TX queue per couple (lcore,port) */
1762                 queueid = 0;
1763                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1764                         if (rte_lcore_is_enabled(lcore_id) == 0)
1765                                 continue;
1766
1767                         if (queueid >= dev_txq_num)
1768                                 continue;
1769
1770                         if (numa_on)
1771                                 socketid = \
1772                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1773                         else
1774                                 socketid = 0;
1775
1776                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1777                         fflush(stdout);
1778
1779                         rte_eth_dev_info_get(portid, &dev_info);
1780                         txconf = &dev_info.default_txconf;
1781                         if (port_conf.rxmode.jumbo_frame)
1782                                 txconf->txq_flags = 0;
1783                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1784                                                      socketid, txconf);
1785                         if (ret < 0)
1786                                 rte_exit(EXIT_FAILURE,
1787                                         "rte_eth_tx_queue_setup: err=%d, "
1788                                                 "port=%d\n", ret, portid);
1789
1790                         qconf = &lcore_conf[lcore_id];
1791                         qconf->tx_queue_id[portid] = queueid;
1792                         queueid++;
1793
1794                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1795                         qconf->n_tx_port++;
1796                 }
1797                 printf("\n");
1798         }
1799
1800         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1801                 if (rte_lcore_is_enabled(lcore_id) == 0)
1802                         continue;
1803
1804                 /* init power management library */
1805                 ret = rte_power_init(lcore_id);
1806                 if (ret)
1807                         RTE_LOG(ERR, POWER,
1808                                 "Library initialization failed on core %u\n", lcore_id);
1809
1810                 /* init timer structures for each enabled lcore */
1811                 rte_timer_init(&power_timers[lcore_id]);
1812                 hz = rte_get_timer_hz();
1813                 rte_timer_reset(&power_timers[lcore_id],
1814                         hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1815                                                 power_timer_cb, NULL);
1816
1817                 qconf = &lcore_conf[lcore_id];
1818                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1819                 fflush(stdout);
1820                 /* init RX queues */
1821                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1822                         portid = qconf->rx_queue_list[queue].port_id;
1823                         queueid = qconf->rx_queue_list[queue].queue_id;
1824
1825                         if (numa_on)
1826                                 socketid = \
1827                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1828                         else
1829                                 socketid = 0;
1830
1831                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1832                         fflush(stdout);
1833
1834                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1835                                 socketid, NULL,
1836                                 pktmbuf_pool[socketid]);
1837                         if (ret < 0)
1838                                 rte_exit(EXIT_FAILURE,
1839                                         "rte_eth_rx_queue_setup: err=%d, "
1840                                                 "port=%d\n", ret, portid);
1841
1842                         if (parse_ptype) {
1843                                 if (add_cb_parse_ptype(portid, queueid) < 0)
1844                                         rte_exit(EXIT_FAILURE,
1845                                                  "Fail to add ptype cb\n");
1846                         } else if (!check_ptype(portid))
1847                                 rte_exit(EXIT_FAILURE,
1848                                          "PMD can not provide needed ptypes\n");
1849                 }
1850         }
1851
1852         printf("\n");
1853
1854         /* start ports */
1855         for (portid = 0; portid < nb_ports; portid++) {
1856                 if ((enabled_port_mask & (1 << portid)) == 0) {
1857                         continue;
1858                 }
1859                 /* Start device */
1860                 ret = rte_eth_dev_start(portid);
1861                 if (ret < 0)
1862                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1863                                                 "port=%d\n", ret, portid);
1864                 /*
1865                  * If enabled, put device in promiscuous mode.
1866                  * This allows IO forwarding mode to forward packets
1867                  * to itself through 2 cross-connected  ports of the
1868                  * target machine.
1869                  */
1870                 if (promiscuous_on)
1871                         rte_eth_promiscuous_enable(portid);
1872                 /* initialize spinlock for each port */
1873                 rte_spinlock_init(&(locks[portid]));
1874         }
1875
1876         check_all_ports_link_status(nb_ports, enabled_port_mask);
1877
1878         /* launch per-lcore init on every lcore */
1879         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1880         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1881                 if (rte_eal_wait_lcore(lcore_id) < 0)
1882                         return -1;
1883         }
1884
1885         return 0;
1886 }