examples/l3fwd-power/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdint.h>
   8 #include <inttypes.h>
   9 #include <sys/types.h>
  10 #include <string.h>
  11 #include <sys/queue.h>
  12 #include <stdarg.h>
  13 #include <errno.h>
  14 #include <getopt.h>
  15 #include <unistd.h>
  16 #include <signal.h>
  17
  18 #include <rte_common.h>
  19 #include <rte_byteorder.h>
  20 #include <rte_log.h>
  21 #include <rte_malloc.h>
  22 #include <rte_memory.h>
  23 #include <rte_memcpy.h>
  24 #include <rte_eal.h>
  25 #include <rte_launch.h>
  26 #include <rte_atomic.h>
  27 #include <rte_cycles.h>
  28 #include <rte_prefetch.h>
  29 #include <rte_lcore.h>
  30 #include <rte_per_lcore.h>
  31 #include <rte_branch_prediction.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_random.h>
  34 #include <rte_debug.h>
  35 #include <rte_ether.h>
  36 #include <rte_ethdev.h>
  37 #include <rte_mempool.h>
  38 #include <rte_mbuf.h>
  39 #include <rte_ip.h>
  40 #include <rte_tcp.h>
  41 #include <rte_udp.h>
  42 #include <rte_string_fns.h>
  43 #include <rte_timer.h>
  44 #include <rte_power.h>
  45 #include <rte_spinlock.h>
  46
  47 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
  48
  49 #define MAX_PKT_BURST 32
  50
  51 #define MIN_ZERO_POLL_COUNT 10
  52
  53 /* 100 ms interval */
  54 #define TIMER_NUMBER_PER_SECOND           10
  55 /* 100000 us */
  56 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
  57 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
  58
  59 #define APP_LOOKUP_EXACT_MATCH          0
  60 #define APP_LOOKUP_LPM                  1
  61 #define DO_RFC_1812_CHECKS
  62
  63 #ifndef APP_LOOKUP_METHOD
  64 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
  65 #endif
  66
  67 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
  68 #include <rte_hash.h>
  69 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
  70 #include <rte_lpm.h>
  71 #else
  72 #error "APP_LOOKUP_METHOD set to incorrect value"
  73 #endif
  74
  75 #ifndef IPv6_BYTES
  76 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
  77                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
  78 #define IPv6_BYTES(addr) \
  79         addr[0],  addr[1], addr[2],  addr[3], \
  80         addr[4],  addr[5], addr[6],  addr[7], \
  81         addr[8],  addr[9], addr[10], addr[11],\
  82         addr[12], addr[13],addr[14], addr[15]
  83 #endif
  84
  85 #define MAX_JUMBO_PKT_LEN  9600
  86
  87 #define IPV6_ADDR_LEN 16
  88
  89 #define MEMPOOL_CACHE_SIZE 256
  90
  91 /*
  92  * This expression is used to calculate the number of mbufs needed depending on
  93  * user input, taking into account memory for rx and tx hardware rings, cache
  94  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
  95  * NB_MBUF never goes below a minimum value of 8192.
  96  */
  97
  98 #define NB_MBUF RTE_MAX ( \
  99         (nb_ports*nb_rx_queue*nb_rxd + \
 100         nb_ports*nb_lcores*MAX_PKT_BURST + \
 101         nb_ports*n_tx_queue*nb_txd + \
 102         nb_lcores*MEMPOOL_CACHE_SIZE), \
 103         (unsigned)8192)
 104
 105 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 106
 107 #define NB_SOCKETS 8
 108
 109 /* Configure how many packets ahead to prefetch, when reading packets */
 110 #define PREFETCH_OFFSET 3
 111
 112 /*
 113  * Configurable number of RX/TX ring descriptors
 114  */
 115 #define RTE_TEST_RX_DESC_DEFAULT 1024
 116 #define RTE_TEST_TX_DESC_DEFAULT 1024
 117 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 118 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 119
 120 /* ethernet addresses of ports */
 121 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 122
 123 /* ethernet addresses of ports */
 124 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
 125
 126 /* mask of enabled ports */
 127 static uint32_t enabled_port_mask = 0;
 128 /* Ports set in promiscuous mode off by default. */
 129 static int promiscuous_on = 0;
 130 /* NUMA is enabled by default. */
 131 static int numa_on = 1;
 132 static int parse_ptype; /**< Parse packet type using rx callback, and */
 133                         /**< disabled by default */
 134
 135 enum freq_scale_hint_t
 136 {
 137         FREQ_LOWER    =      -1,
 138         FREQ_CURRENT  =       0,
 139         FREQ_HIGHER   =       1,
 140         FREQ_HIGHEST  =       2
 141 };
 142
 143 struct lcore_rx_queue {
 144         uint16_t port_id;
 145         uint8_t queue_id;
 146         enum freq_scale_hint_t freq_up_hint;
 147         uint32_t zero_rx_packet_count;
 148         uint32_t idle_hint;
 149 } __rte_cache_aligned;
 150
 151 #define MAX_RX_QUEUE_PER_LCORE 16
 152 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 153 #define MAX_RX_QUEUE_PER_PORT 128
 154
 155 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
 156
 157
 158 #define MAX_LCORE_PARAMS 1024
 159 struct lcore_params {
 160         uint16_t port_id;
 161         uint8_t queue_id;
 162         uint8_t lcore_id;
 163 } __rte_cache_aligned;
 164
 165 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 166 static struct lcore_params lcore_params_array_default[] = {
 167         {0, 0, 2},
 168         {0, 1, 2},
 169         {0, 2, 2},
 170         {1, 0, 2},
 171         {1, 1, 2},
 172         {1, 2, 2},
 173         {2, 0, 2},
 174         {3, 0, 3},
 175         {3, 1, 3},
 176 };
 177
 178 static struct lcore_params * lcore_params = lcore_params_array_default;
 179 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 180                                 sizeof(lcore_params_array_default[0]);
 181
 182 static struct rte_eth_conf port_conf = {
 183         .rxmode = {
 184                 .mq_mode        = ETH_MQ_RX_RSS,
 185                 .max_rx_pkt_len = ETHER_MAX_LEN,
 186                 .split_hdr_size = 0,
 187                 .ignore_offload_bitfield = 1,
 188                 .offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
 189                              DEV_RX_OFFLOAD_CHECKSUM),
 190         },
 191         .rx_adv_conf = {
 192                 .rss_conf = {
 193                         .rss_key = NULL,
 194                         .rss_hf = ETH_RSS_UDP,
 195                 },
 196         },
 197         .txmode = {
 198                 .mq_mode = ETH_MQ_TX_NONE,
 199         },
 200         .intr_conf = {
 201                 .rxq = 1,
 202         },
 203 };
 204
 205 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 206
 207
 208 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 209
 210 #ifdef RTE_ARCH_X86
 211 #include <rte_hash_crc.h>
 212 #define DEFAULT_HASH_FUNC       rte_hash_crc
 213 #else
 214 #include <rte_jhash.h>
 215 #define DEFAULT_HASH_FUNC       rte_jhash
 216 #endif
 217
 218 struct ipv4_5tuple {
 219         uint32_t ip_dst;
 220         uint32_t ip_src;
 221         uint16_t port_dst;
 222         uint16_t port_src;
 223         uint8_t  proto;
 224 } __attribute__((__packed__));
 225
 226 struct ipv6_5tuple {
 227         uint8_t  ip_dst[IPV6_ADDR_LEN];
 228         uint8_t  ip_src[IPV6_ADDR_LEN];
 229         uint16_t port_dst;
 230         uint16_t port_src;
 231         uint8_t  proto;
 232 } __attribute__((__packed__));
 233
 234 struct ipv4_l3fwd_route {
 235         struct ipv4_5tuple key;
 236         uint8_t if_out;
 237 };
 238
 239 struct ipv6_l3fwd_route {
 240         struct ipv6_5tuple key;
 241         uint8_t if_out;
 242 };
 243
 244 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 245         {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
 246         {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
 247         {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
 248         {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
 249 };
 250
 251 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 252         {
 253                 {
 254                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 255                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
 256                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 257                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
 258                          1, 10, IPPROTO_UDP
 259                 }, 4
 260         },
 261 };
 262
 263 typedef struct rte_hash lookup_struct_t;
 264 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 265 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
 266
 267 #define L3FWD_HASH_ENTRIES      1024
 268
 269 #define IPV4_L3FWD_NUM_ROUTES \
 270         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 271
 272 #define IPV6_L3FWD_NUM_ROUTES \
 273         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
 274
 275 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 276 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 277 #endif
 278
 279 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 280 struct ipv4_l3fwd_route {
 281         uint32_t ip;
 282         uint8_t  depth;
 283         uint8_t  if_out;
 284 };
 285
 286 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 287         {IPv4(1,1,1,0), 24, 0},
 288         {IPv4(2,1,1,0), 24, 1},
 289         {IPv4(3,1,1,0), 24, 2},
 290         {IPv4(4,1,1,0), 24, 3},
 291         {IPv4(5,1,1,0), 24, 4},
 292         {IPv4(6,1,1,0), 24, 5},
 293         {IPv4(7,1,1,0), 24, 6},
 294         {IPv4(8,1,1,0), 24, 7},
 295 };
 296
 297 #define IPV4_L3FWD_NUM_ROUTES \
 298         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 299
 300 #define IPV4_L3FWD_LPM_MAX_RULES     1024
 301
 302 typedef struct rte_lpm lookup_struct_t;
 303 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 304 #endif
 305
 306 struct lcore_conf {
 307         uint16_t n_rx_queue;
 308         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 309         uint16_t n_tx_port;
 310         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
 311         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 312         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
 313         lookup_struct_t * ipv4_lookup_struct;
 314         lookup_struct_t * ipv6_lookup_struct;
 315 } __rte_cache_aligned;
 316
 317 struct lcore_stats {
 318         /* total sleep time in ms since last frequency scaling down */
 319         uint32_t sleep_time;
 320         /* number of long sleep recently */
 321         uint32_t nb_long_sleep;
 322         /* freq. scaling up trend */
 323         uint32_t trend;
 324         /* total packet processed recently */
 325         uint64_t nb_rx_processed;
 326         /* total iterations looped recently */
 327         uint64_t nb_iteration_looped;
 328         uint32_t padding[9];
 329 } __rte_cache_aligned;
 330
 331 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
 332 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
 333 static struct rte_timer power_timers[RTE_MAX_LCORE];
 334
 335 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
 336 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
 337                 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
 338
 339 /* exit signal handler */
 340 static void
 341 signal_exit_now(int sigtype)
 342 {
 343         unsigned lcore_id;
 344         unsigned int portid;
 345         int ret;
 346
 347         if (sigtype == SIGINT) {
 348                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 349                         if (rte_lcore_is_enabled(lcore_id) == 0)
 350                                 continue;
 351
 352                         /* init power management library */
 353                         ret = rte_power_exit(lcore_id);
 354                         if (ret)
 355                                 rte_exit(EXIT_FAILURE, "Power management "
 356                                         "library de-initialization failed on "
 357                                                         "core%u\n", lcore_id);
 358                 }
 359
 360                 RTE_ETH_FOREACH_DEV(portid) {
 361                         if ((enabled_port_mask & (1 << portid)) == 0)
 362                                 continue;
 363
 364                         rte_eth_dev_stop(portid);
 365                         rte_eth_dev_close(portid);
 366                 }
 367         }
 368
 369         rte_exit(EXIT_SUCCESS, "User forced exit\n");
 370 }
 371
 372 /*  Freqency scale down timer callback */
 373 static void
 374 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 375                           __attribute__((unused)) void *arg)
 376 {
 377         uint64_t hz;
 378         float sleep_time_ratio;
 379         unsigned lcore_id = rte_lcore_id();
 380
 381         /* accumulate total execution time in us when callback is invoked */
 382         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
 383                                         (float)SCALING_PERIOD;
 384         /**
 385          * check whether need to scale down frequency a step if it sleep a lot.
 386          */
 387         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
 388                 if (rte_power_freq_down)
 389                         rte_power_freq_down(lcore_id);
 390         }
 391         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
 392                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
 393                 /**
 394                  * scale down a step if average packet per iteration less
 395                  * than expectation.
 396                  */
 397                 if (rte_power_freq_down)
 398                         rte_power_freq_down(lcore_id);
 399         }
 400
 401         /**
 402          * initialize another timer according to current frequency to ensure
 403          * timer interval is relatively fixed.
 404          */
 405         hz = rte_get_timer_hz();
 406         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
 407                                 SINGLE, lcore_id, power_timer_cb, NULL);
 408
 409         stats[lcore_id].nb_rx_processed = 0;
 410         stats[lcore_id].nb_iteration_looped = 0;
 411
 412         stats[lcore_id].sleep_time = 0;
 413 }
 414
 415 /* Enqueue a single packet, and send burst if queue is filled */
 416 static inline int
 417 send_single_packet(struct rte_mbuf *m, uint16_t port)
 418 {
 419         uint32_t lcore_id;
 420         struct lcore_conf *qconf;
 421
 422         lcore_id = rte_lcore_id();
 423         qconf = &lcore_conf[lcore_id];
 424
 425         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
 426                         qconf->tx_buffer[port], m);
 427
 428         return 0;
 429 }
 430
 431 #ifdef DO_RFC_1812_CHECKS
 432 static inline int
 433 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
 434 {
 435         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
 436         /*
 437          * 1. The packet length reported by the Link Layer must be large
 438          * enough to hold the minimum length legal IP datagram (20 bytes).
 439          */
 440         if (link_len < sizeof(struct ipv4_hdr))
 441                 return -1;
 442
 443         /* 2. The IP checksum must be correct. */
 444         /* this is checked in H/W */
 445
 446         /*
 447          * 3. The IP version number must be 4. If the version number is not 4
 448          * then the packet may be another version of IP, such as IPng or
 449          * ST-II.
 450          */
 451         if (((pkt->version_ihl) >> 4) != 4)
 452                 return -3;
 453         /*
 454          * 4. The IP header length field must be large enough to hold the
 455          * minimum length legal IP datagram (20 bytes = 5 words).
 456          */
 457         if ((pkt->version_ihl & 0xf) < 5)
 458                 return -4;
 459
 460         /*
 461          * 5. The IP total length field must be large enough to hold the IP
 462          * datagram header, whose length is specified in the IP header length
 463          * field.
 464          */
 465         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
 466                 return -5;
 467
 468         return 0;
 469 }
 470 #endif
 471
 472 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 473 static void
 474 print_ipv4_key(struct ipv4_5tuple key)
 475 {
 476         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
 477                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
 478                                 key.port_dst, key.port_src, key.proto);
 479 }
 480 static void
 481 print_ipv6_key(struct ipv6_5tuple key)
 482 {
 483         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
 484                 "port dst = %d, port src = %d, proto = %d\n",
 485                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
 486                 key.port_dst, key.port_src, key.proto);
 487 }
 488
 489 static inline uint16_t
 490 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 491                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
 492 {
 493         struct ipv4_5tuple key;
 494         struct tcp_hdr *tcp;
 495         struct udp_hdr *udp;
 496         int ret = 0;
 497
 498         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
 499         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
 500         key.proto = ipv4_hdr->next_proto_id;
 501
 502         switch (ipv4_hdr->next_proto_id) {
 503         case IPPROTO_TCP:
 504                 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
 505                                         sizeof(struct ipv4_hdr));
 506                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 507                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 508                 break;
 509
 510         case IPPROTO_UDP:
 511                 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
 512                                         sizeof(struct ipv4_hdr));
 513                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 514                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 515                 break;
 516
 517         default:
 518                 key.port_dst = 0;
 519                 key.port_src = 0;
 520                 break;
 521         }
 522
 523         /* Find destination port */
 524         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
 525         return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
 526 }
 527
 528 static inline uint16_t
 529 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
 530                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
 531 {
 532         struct ipv6_5tuple key;
 533         struct tcp_hdr *tcp;
 534         struct udp_hdr *udp;
 535         int ret = 0;
 536
 537         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
 538         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
 539
 540         key.proto = ipv6_hdr->proto;
 541
 542         switch (ipv6_hdr->proto) {
 543         case IPPROTO_TCP:
 544                 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
 545                                         sizeof(struct ipv6_hdr));
 546                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 547                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 548                 break;
 549
 550         case IPPROTO_UDP:
 551                 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
 552                                         sizeof(struct ipv6_hdr));
 553                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 554                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 555                 break;
 556
 557         default:
 558                 key.port_dst = 0;
 559                 key.port_src = 0;
 560                 break;
 561         }
 562
 563         /* Find destination port */
 564         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
 565         return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
 566 }
 567 #endif
 568
 569 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 570 static inline uint16_t
 571 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 572                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
 573 {
 574         uint32_t next_hop;
 575
 576         return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
 577                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
 578                         next_hop : portid);
 579 }
 580 #endif
 581
 582 static inline void
 583 parse_ptype_one(struct rte_mbuf *m)
 584 {
 585         struct ether_hdr *eth_hdr;
 586         uint32_t packet_type = RTE_PTYPE_UNKNOWN;
 587         uint16_t ether_type;
 588
 589         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 590         ether_type = eth_hdr->ether_type;
 591         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 592                 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 593         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
 594                 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 595
 596         m->packet_type = packet_type;
 597 }
 598
 599 static uint16_t
 600 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
 601                struct rte_mbuf *pkts[], uint16_t nb_pkts,
 602                uint16_t max_pkts __rte_unused,
 603                void *user_param __rte_unused)
 604 {
 605         unsigned int i;
 606
 607         for (i = 0; i < nb_pkts; ++i)
 608                 parse_ptype_one(pkts[i]);
 609
 610         return nb_pkts;
 611 }
 612
 613 static int
 614 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
 615 {
 616         printf("Port %d: softly parse packet type info\n", portid);
 617         if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
 618                 return 0;
 619
 620         printf("Failed to add rx callback: port=%d\n", portid);
 621         return -1;
 622 }
 623
 624 static inline void
 625 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 626                                 struct lcore_conf *qconf)
 627 {
 628         struct ether_hdr *eth_hdr;
 629         struct ipv4_hdr *ipv4_hdr;
 630         void *d_addr_bytes;
 631         uint16_t dst_port;
 632
 633         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 634
 635         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 636                 /* Handle IPv4 headers.*/
 637                 ipv4_hdr =
 638                         rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
 639                                                 sizeof(struct ether_hdr));
 640
 641 #ifdef DO_RFC_1812_CHECKS
 642                 /* Check to make sure the packet is valid (RFC1812) */
 643                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
 644                         rte_pktmbuf_free(m);
 645                         return;
 646                 }
 647 #endif
 648
 649                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
 650                                         qconf->ipv4_lookup_struct);
 651                 if (dst_port >= RTE_MAX_ETHPORTS ||
 652                                 (enabled_port_mask & 1 << dst_port) == 0)
 653                         dst_port = portid;
 654
 655                 /* 02:00:00:00:00:xx */
 656                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 657                 *((uint64_t *)d_addr_bytes) =
 658                         0x000000000002 + ((uint64_t)dst_port << 40);
 659
 660 #ifdef DO_RFC_1812_CHECKS
 661                 /* Update time to live and header checksum */
 662                 --(ipv4_hdr->time_to_live);
 663                 ++(ipv4_hdr->hdr_checksum);
 664 #endif
 665
 666                 /* src addr */
 667                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 668
 669                 send_single_packet(m, dst_port);
 670         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 671                 /* Handle IPv6 headers.*/
 672 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 673                 struct ipv6_hdr *ipv6_hdr;
 674
 675                 ipv6_hdr =
 676                         rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
 677                                                 sizeof(struct ether_hdr));
 678
 679                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
 680                                         qconf->ipv6_lookup_struct);
 681
 682                 if (dst_port >= RTE_MAX_ETHPORTS ||
 683                                 (enabled_port_mask & 1 << dst_port) == 0)
 684                         dst_port = portid;
 685
 686                 /* 02:00:00:00:00:xx */
 687                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 688                 *((uint64_t *)d_addr_bytes) =
 689                         0x000000000002 + ((uint64_t)dst_port << 40);
 690
 691                 /* src addr */
 692                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 693
 694                 send_single_packet(m, dst_port);
 695 #else
 696                 /* We don't currently handle IPv6 packets in LPM mode. */
 697                 rte_pktmbuf_free(m);
 698 #endif
 699         } else
 700                 rte_pktmbuf_free(m);
 701
 702 }
 703
 704 #define MINIMUM_SLEEP_TIME         1
 705 #define SUSPEND_THRESHOLD          300
 706
 707 static inline uint32_t
 708 power_idle_heuristic(uint32_t zero_rx_packet_count)
 709 {
 710         /* If zero count is less than 100,  sleep 1us */
 711         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
 712                 return MINIMUM_SLEEP_TIME;
 713         /* If zero count is less than 1000, sleep 100 us which is the
 714                 minimum latency switching from C3/C6 to C0
 715         */
 716         else
 717                 return SUSPEND_THRESHOLD;
 718 }
 719
 720 static inline enum freq_scale_hint_t
 721 power_freq_scaleup_heuristic(unsigned lcore_id,
 722                              uint16_t port_id,
 723                              uint16_t queue_id)
 724 {
 725         uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
 726 /**
 727  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
 728  * per iteration
 729  */
 730 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
 731 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
 732 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
 733 #define FREQ_UP_TREND1_ACC   1
 734 #define FREQ_UP_TREND2_ACC   100
 735 #define FREQ_UP_THRESHOLD    10000
 736
 737         if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
 738                 stats[lcore_id].trend = 0;
 739                 return FREQ_HIGHEST;
 740         } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
 741                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
 742         else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
 743                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
 744
 745         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
 746                 stats[lcore_id].trend = 0;
 747                 return FREQ_HIGHER;
 748         }
 749
 750         return FREQ_CURRENT;
 751 }
 752
 753 /**
 754  * force polling thread sleep until one-shot rx interrupt triggers
 755  * @param port_id
 756  *  Port id.
 757  * @param queue_id
 758  *  Rx queue id.
 759  * @return
 760  *  0 on success
 761  */
 762 static int
 763 sleep_until_rx_interrupt(int num)
 764 {
 765         struct rte_epoll_event event[num];
 766         int n, i;
 767         uint16_t port_id;
 768         uint8_t queue_id;
 769         void *data;
 770
 771         RTE_LOG(INFO, L3FWD_POWER,
 772                 "lcore %u sleeps until interrupt triggers\n",
 773                 rte_lcore_id());
 774
 775         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
 776         for (i = 0; i < n; i++) {
 777                 data = event[i].epdata.data;
 778                 port_id = ((uintptr_t)data) >> CHAR_BIT;
 779                 queue_id = ((uintptr_t)data) &
 780                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
 781                 rte_eth_dev_rx_intr_disable(port_id, queue_id);
 782                 RTE_LOG(INFO, L3FWD_POWER,
 783                         "lcore %u is waked up from rx interrupt on"
 784                         " port %d queue %d\n",
 785                         rte_lcore_id(), port_id, queue_id);
 786         }
 787
 788         return 0;
 789 }
 790
 791 static void turn_on_intr(struct lcore_conf *qconf)
 792 {
 793         int i;
 794         struct lcore_rx_queue *rx_queue;
 795         uint8_t queue_id;
 796         uint16_t port_id;
 797
 798         for (i = 0; i < qconf->n_rx_queue; ++i) {
 799                 rx_queue = &(qconf->rx_queue_list[i]);
 800                 port_id = rx_queue->port_id;
 801                 queue_id = rx_queue->queue_id;
 802
 803                 rte_spinlock_lock(&(locks[port_id]));
 804                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
 805                 rte_spinlock_unlock(&(locks[port_id]));
 806         }
 807 }
 808
 809 static int event_register(struct lcore_conf *qconf)
 810 {
 811         struct lcore_rx_queue *rx_queue;
 812         uint8_t queueid;
 813         uint16_t portid;
 814         uint32_t data;
 815         int ret;
 816         int i;
 817
 818         for (i = 0; i < qconf->n_rx_queue; ++i) {
 819                 rx_queue = &(qconf->rx_queue_list[i]);
 820                 portid = rx_queue->port_id;
 821                 queueid = rx_queue->queue_id;
 822                 data = portid << CHAR_BIT | queueid;
 823
 824                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
 825                                                 RTE_EPOLL_PER_THREAD,
 826                                                 RTE_INTR_EVENT_ADD,
 827                                                 (void *)((uintptr_t)data));
 828                 if (ret)
 829                         return ret;
 830         }
 831
 832         return 0;
 833 }
 834
 835 /* main processing loop */
 836 static int
 837 main_loop(__attribute__((unused)) void *dummy)
 838 {
 839         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 840         unsigned lcore_id;
 841         uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
 842         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
 843         int i, j, nb_rx;
 844         uint8_t queueid;
 845         uint16_t portid;
 846         struct lcore_conf *qconf;
 847         struct lcore_rx_queue *rx_queue;
 848         enum freq_scale_hint_t lcore_scaleup_hint;
 849         uint32_t lcore_rx_idle_count = 0;
 850         uint32_t lcore_idle_hint = 0;
 851         int intr_en = 0;
 852
 853         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 854
 855         prev_tsc = 0;
 856         hz = rte_get_timer_hz();
 857         tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
 858
 859         lcore_id = rte_lcore_id();
 860         qconf = &lcore_conf[lcore_id];
 861
 862         if (qconf->n_rx_queue == 0) {
 863                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
 864                 return 0;
 865         }
 866
 867         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
 868
 869         for (i = 0; i < qconf->n_rx_queue; i++) {
 870                 portid = qconf->rx_queue_list[i].port_id;
 871                 queueid = qconf->rx_queue_list[i].queue_id;
 872                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
 873                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
 874         }
 875
 876         /* add into event wait list */
 877         if (event_register(qconf) == 0)
 878                 intr_en = 1;
 879         else
 880                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
 881
 882         while (1) {
 883                 stats[lcore_id].nb_iteration_looped++;
 884
 885                 cur_tsc = rte_rdtsc();
 886                 cur_tsc_power = cur_tsc;
 887
 888                 /*
 889                  * TX burst queue drain
 890                  */
 891                 diff_tsc = cur_tsc - prev_tsc;
 892                 if (unlikely(diff_tsc > drain_tsc)) {
 893                         for (i = 0; i < qconf->n_tx_port; ++i) {
 894                                 portid = qconf->tx_port_id[i];
 895                                 rte_eth_tx_buffer_flush(portid,
 896                                                 qconf->tx_queue_id[portid],
 897                                                 qconf->tx_buffer[portid]);
 898                         }
 899                         prev_tsc = cur_tsc;
 900                 }
 901
 902                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
 903                 if (diff_tsc_power > tim_res_tsc) {
 904                         rte_timer_manage();
 905                         prev_tsc_power = cur_tsc_power;
 906                 }
 907
 908 start_rx:
 909                 /*
 910                  * Read packet from RX queues
 911                  */
 912                 lcore_scaleup_hint = FREQ_CURRENT;
 913                 lcore_rx_idle_count = 0;
 914                 for (i = 0; i < qconf->n_rx_queue; ++i) {
 915                         rx_queue = &(qconf->rx_queue_list[i]);
 916                         rx_queue->idle_hint = 0;
 917                         portid = rx_queue->port_id;
 918                         queueid = rx_queue->queue_id;
 919
 920                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
 921                                                                 MAX_PKT_BURST);
 922
 923                         stats[lcore_id].nb_rx_processed += nb_rx;
 924                         if (unlikely(nb_rx == 0)) {
 925                                 /**
 926                                  * no packet received from rx queue, try to
 927                                  * sleep for a while forcing CPU enter deeper
 928                                  * C states.
 929                                  */
 930                                 rx_queue->zero_rx_packet_count++;
 931
 932                                 if (rx_queue->zero_rx_packet_count <=
 933                                                         MIN_ZERO_POLL_COUNT)
 934                                         continue;
 935
 936                                 rx_queue->idle_hint = power_idle_heuristic(\
 937                                         rx_queue->zero_rx_packet_count);
 938                                 lcore_rx_idle_count++;
 939                         } else {
 940                                 rx_queue->zero_rx_packet_count = 0;
 941
 942                                 /**
 943                                  * do not scale up frequency immediately as
 944                                  * user to kernel space communication is costly
 945                                  * which might impact packet I/O for received
 946                                  * packets.
 947                                  */
 948                                 rx_queue->freq_up_hint =
 949                                         power_freq_scaleup_heuristic(lcore_id,
 950                                                         portid, queueid);
 951                         }
 952
 953                         /* Prefetch first packets */
 954                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
 955                                 rte_prefetch0(rte_pktmbuf_mtod(
 956                                                 pkts_burst[j], void *));
 957                         }
 958
 959                         /* Prefetch and forward already prefetched packets */
 960                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
 961                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
 962                                                 j + PREFETCH_OFFSET], void *));
 963                                 l3fwd_simple_forward(pkts_burst[j], portid,
 964                                                                 qconf);
 965                         }
 966
 967                         /* Forward remaining prefetched packets */
 968                         for (; j < nb_rx; j++) {
 969                                 l3fwd_simple_forward(pkts_burst[j], portid,
 970                                                                 qconf);
 971                         }
 972                 }
 973
 974                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
 975                         for (i = 1, lcore_scaleup_hint =
 976                                 qconf->rx_queue_list[0].freq_up_hint;
 977                                         i < qconf->n_rx_queue; ++i) {
 978                                 rx_queue = &(qconf->rx_queue_list[i]);
 979                                 if (rx_queue->freq_up_hint >
 980                                                 lcore_scaleup_hint)
 981                                         lcore_scaleup_hint =
 982                                                 rx_queue->freq_up_hint;
 983                         }
 984
 985                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
 986                                 if (rte_power_freq_max)
 987                                         rte_power_freq_max(lcore_id);
 988                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
 989                                 if (rte_power_freq_up)
 990                                         rte_power_freq_up(lcore_id);
 991                         }
 992                 } else {
 993                         /**
 994                          * All Rx queues empty in recent consecutive polls,
 995                          * sleep in a conservative manner, meaning sleep as
 996                          * less as possible.
 997                          */
 998                         for (i = 1, lcore_idle_hint =
 999                                 qconf->rx_queue_list[0].idle_hint;
1000                                         i < qconf->n_rx_queue; ++i) {
1001                                 rx_queue = &(qconf->rx_queue_list[i]);
1002                                 if (rx_queue->idle_hint < lcore_idle_hint)
1003                                         lcore_idle_hint = rx_queue->idle_hint;
1004                         }
1005
1006                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1007                                 /**
1008                                  * execute "pause" instruction to avoid context
1009                                  * switch which generally take hundred of
1010                                  * microseconds for short sleep.
1011                                  */
1012                                 rte_delay_us(lcore_idle_hint);
1013                         else {
1014                                 /* suspend until rx interrupt trigges */
1015                                 if (intr_en) {
1016                                         turn_on_intr(qconf);
1017                                         sleep_until_rx_interrupt(
1018                                                 qconf->n_rx_queue);
1019                                         /**
1020                                          * start receiving packets immediately
1021                                          */
1022                                         goto start_rx;
1023                                 }
1024                         }
1025                         stats[lcore_id].sleep_time += lcore_idle_hint;
1026                 }
1027         }
1028 }
1029
1030 static int
1031 check_lcore_params(void)
1032 {
1033         uint8_t queue, lcore;
1034         uint16_t i;
1035         int socketid;
1036
1037         for (i = 0; i < nb_lcore_params; ++i) {
1038                 queue = lcore_params[i].queue_id;
1039                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1040                         printf("invalid queue number: %hhu\n", queue);
1041                         return -1;
1042                 }
1043                 lcore = lcore_params[i].lcore_id;
1044                 if (!rte_lcore_is_enabled(lcore)) {
1045                         printf("error: lcore %hhu is not enabled in lcore "
1046                                                         "mask\n", lcore);
1047                         return -1;
1048                 }
1049                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1050                                                         (numa_on == 0)) {
1051                         printf("warning: lcore %hhu is on socket %d with numa "
1052                                                 "off\n", lcore, socketid);
1053                 }
1054         }
1055         return 0;
1056 }
1057
1058 static int
1059 check_port_config(void)
1060 {
1061         unsigned portid;
1062         uint16_t i;
1063
1064         for (i = 0; i < nb_lcore_params; ++i) {
1065                 portid = lcore_params[i].port_id;
1066                 if ((enabled_port_mask & (1 << portid)) == 0) {
1067                         printf("port %u is not enabled in port mask\n",
1068                                                                 portid);
1069                         return -1;
1070                 }
1071                 if (!rte_eth_dev_is_valid_port(portid)) {
1072                         printf("port %u is not present on the board\n",
1073                                                                 portid);
1074                         return -1;
1075                 }
1076         }
1077         return 0;
1078 }
1079
1080 static uint8_t
1081 get_port_n_rx_queues(const uint16_t port)
1082 {
1083         int queue = -1;
1084         uint16_t i;
1085
1086         for (i = 0; i < nb_lcore_params; ++i) {
1087                 if (lcore_params[i].port_id == port &&
1088                                 lcore_params[i].queue_id > queue)
1089                         queue = lcore_params[i].queue_id;
1090         }
1091         return (uint8_t)(++queue);
1092 }
1093
1094 static int
1095 init_lcore_rx_queues(void)
1096 {
1097         uint16_t i, nb_rx_queue;
1098         uint8_t lcore;
1099
1100         for (i = 0; i < nb_lcore_params; ++i) {
1101                 lcore = lcore_params[i].lcore_id;
1102                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1103                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1104                         printf("error: too many queues (%u) for lcore: %u\n",
1105                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1106                         return -1;
1107                 } else {
1108                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1109                                 lcore_params[i].port_id;
1110                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1111                                 lcore_params[i].queue_id;
1112                         lcore_conf[lcore].n_rx_queue++;
1113                 }
1114         }
1115         return 0;
1116 }
1117
1118 /* display usage */
1119 static void
1120 print_usage(const char *prgname)
1121 {
1122         printf ("%s [EAL options] -- -p PORTMASK -P"
1123                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1124                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1125                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1126                 "  -P : enable promiscuous mode\n"
1127                 "  --config (port,queue,lcore): rx queues configuration\n"
1128                 "  --no-numa: optional, disable numa awareness\n"
1129                 "  --enable-jumbo: enable jumbo frame"
1130                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1131                 "  --parse-ptype: parse packet type by software\n",
1132                 prgname);
1133 }
1134
1135 static int parse_max_pkt_len(const char *pktlen)
1136 {
1137         char *end = NULL;
1138         unsigned long len;
1139
1140         /* parse decimal string */
1141         len = strtoul(pktlen, &end, 10);
1142         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1143                 return -1;
1144
1145         if (len == 0)
1146                 return -1;
1147
1148         return len;
1149 }
1150
1151 static int
1152 parse_portmask(const char *portmask)
1153 {
1154         char *end = NULL;
1155         unsigned long pm;
1156
1157         /* parse hexadecimal string */
1158         pm = strtoul(portmask, &end, 16);
1159         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1160                 return -1;
1161
1162         if (pm == 0)
1163                 return -1;
1164
1165         return pm;
1166 }
1167
1168 static int
1169 parse_config(const char *q_arg)
1170 {
1171         char s[256];
1172         const char *p, *p0 = q_arg;
1173         char *end;
1174         enum fieldnames {
1175                 FLD_PORT = 0,
1176                 FLD_QUEUE,
1177                 FLD_LCORE,
1178                 _NUM_FLD
1179         };
1180         unsigned long int_fld[_NUM_FLD];
1181         char *str_fld[_NUM_FLD];
1182         int i;
1183         unsigned size;
1184
1185         nb_lcore_params = 0;
1186
1187         while ((p = strchr(p0,'(')) != NULL) {
1188                 ++p;
1189                 if((p0 = strchr(p,')')) == NULL)
1190                         return -1;
1191
1192                 size = p0 - p;
1193                 if(size >= sizeof(s))
1194                         return -1;
1195
1196                 snprintf(s, sizeof(s), "%.*s", size, p);
1197                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1198                                                                 _NUM_FLD)
1199                         return -1;
1200                 for (i = 0; i < _NUM_FLD; i++){
1201                         errno = 0;
1202                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1203                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1204                                                                         255)
1205                                 return -1;
1206                 }
1207                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1208                         printf("exceeded max number of lcore params: %hu\n",
1209                                 nb_lcore_params);
1210                         return -1;
1211                 }
1212                 lcore_params_array[nb_lcore_params].port_id =
1213                                 (uint8_t)int_fld[FLD_PORT];
1214                 lcore_params_array[nb_lcore_params].queue_id =
1215                                 (uint8_t)int_fld[FLD_QUEUE];
1216                 lcore_params_array[nb_lcore_params].lcore_id =
1217                                 (uint8_t)int_fld[FLD_LCORE];
1218                 ++nb_lcore_params;
1219         }
1220         lcore_params = lcore_params_array;
1221
1222         return 0;
1223 }
1224
1225 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1226
1227 /* Parse the argument given in the command line of the application */
1228 static int
1229 parse_args(int argc, char **argv)
1230 {
1231         int opt, ret;
1232         char **argvopt;
1233         int option_index;
1234         char *prgname = argv[0];
1235         static struct option lgopts[] = {
1236                 {"config", 1, 0, 0},
1237                 {"no-numa", 0, 0, 0},
1238                 {"enable-jumbo", 0, 0, 0},
1239                 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1240                 {NULL, 0, 0, 0}
1241         };
1242
1243         argvopt = argv;
1244
1245         while ((opt = getopt_long(argc, argvopt, "p:P",
1246                                 lgopts, &option_index)) != EOF) {
1247
1248                 switch (opt) {
1249                 /* portmask */
1250                 case 'p':
1251                         enabled_port_mask = parse_portmask(optarg);
1252                         if (enabled_port_mask == 0) {
1253                                 printf("invalid portmask\n");
1254                                 print_usage(prgname);
1255                                 return -1;
1256                         }
1257                         break;
1258                 case 'P':
1259                         printf("Promiscuous mode selected\n");
1260                         promiscuous_on = 1;
1261                         break;
1262
1263                 /* long options */
1264                 case 0:
1265                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1266                                 ret = parse_config(optarg);
1267                                 if (ret) {
1268                                         printf("invalid config\n");
1269                                         print_usage(prgname);
1270                                         return -1;
1271                                 }
1272                         }
1273
1274                         if (!strncmp(lgopts[option_index].name,
1275                                                 "no-numa", 7)) {
1276                                 printf("numa is disabled \n");
1277                                 numa_on = 0;
1278                         }
1279
1280                         if (!strncmp(lgopts[option_index].name,
1281                                         "enable-jumbo", 12)) {
1282                                 struct option lenopts =
1283                                         {"max-pkt-len", required_argument, \
1284                                                                         0, 0};
1285
1286                                 printf("jumbo frame is enabled \n");
1287                                 port_conf.rxmode.offloads |=
1288                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
1289                                 port_conf.txmode.offloads |=
1290                                                 DEV_TX_OFFLOAD_MULTI_SEGS;
1291
1292                                 /**
1293                                  * if no max-pkt-len set, use the default value
1294                                  * ETHER_MAX_LEN
1295                                  */
1296                                 if (0 == getopt_long(argc, argvopt, "",
1297                                                 &lenopts, &option_index)) {
1298                                         ret = parse_max_pkt_len(optarg);
1299                                         if ((ret < 64) ||
1300                                                 (ret > MAX_JUMBO_PKT_LEN)){
1301                                                 printf("invalid packet "
1302                                                                 "length\n");
1303                                                 print_usage(prgname);
1304                                                 return -1;
1305                                         }
1306                                         port_conf.rxmode.max_rx_pkt_len = ret;
1307                                 }
1308                                 printf("set jumbo frame "
1309                                         "max packet length to %u\n",
1310                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1311                         }
1312
1313                         if (!strncmp(lgopts[option_index].name,
1314                                      CMD_LINE_OPT_PARSE_PTYPE,
1315                                      sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1316                                 printf("soft parse-ptype is enabled\n");
1317                                 parse_ptype = 1;
1318                         }
1319
1320                         break;
1321
1322                 default:
1323                         print_usage(prgname);
1324                         return -1;
1325                 }
1326         }
1327
1328         if (optind >= 0)
1329                 argv[optind-1] = prgname;
1330
1331         ret = optind-1;
1332         optind = 1; /* reset getopt lib */
1333         return ret;
1334 }
1335
1336 static void
1337 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1338 {
1339         char buf[ETHER_ADDR_FMT_SIZE];
1340         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1341         printf("%s%s", name, buf);
1342 }
1343
1344 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1345 static void
1346 setup_hash(int socketid)
1347 {
1348         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1349                 .name = NULL,
1350                 .entries = L3FWD_HASH_ENTRIES,
1351                 .key_len = sizeof(struct ipv4_5tuple),
1352                 .hash_func = DEFAULT_HASH_FUNC,
1353                 .hash_func_init_val = 0,
1354         };
1355
1356         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1357                 .name = NULL,
1358                 .entries = L3FWD_HASH_ENTRIES,
1359                 .key_len = sizeof(struct ipv6_5tuple),
1360                 .hash_func = DEFAULT_HASH_FUNC,
1361                 .hash_func_init_val = 0,
1362         };
1363
1364         unsigned i;
1365         int ret;
1366         char s[64];
1367
1368         /* create ipv4 hash */
1369         snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1370         ipv4_l3fwd_hash_params.name = s;
1371         ipv4_l3fwd_hash_params.socket_id = socketid;
1372         ipv4_l3fwd_lookup_struct[socketid] =
1373                 rte_hash_create(&ipv4_l3fwd_hash_params);
1374         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1375                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1376                                 "socket %d\n", socketid);
1377
1378         /* create ipv6 hash */
1379         snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1380         ipv6_l3fwd_hash_params.name = s;
1381         ipv6_l3fwd_hash_params.socket_id = socketid;
1382         ipv6_l3fwd_lookup_struct[socketid] =
1383                 rte_hash_create(&ipv6_l3fwd_hash_params);
1384         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1385                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1386                                 "socket %d\n", socketid);
1387
1388
1389         /* populate the ipv4 hash */
1390         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1391                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1392                                 (void *) &ipv4_l3fwd_route_array[i].key);
1393                 if (ret < 0) {
1394                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1395                                 "l3fwd hash on socket %d\n", i, socketid);
1396                 }
1397                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1398                 printf("Hash: Adding key\n");
1399                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1400         }
1401
1402         /* populate the ipv6 hash */
1403         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1404                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1405                                 (void *) &ipv6_l3fwd_route_array[i].key);
1406                 if (ret < 0) {
1407                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1408                                 "l3fwd hash on socket %d\n", i, socketid);
1409                 }
1410                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1411                 printf("Hash: Adding key\n");
1412                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1413         }
1414 }
1415 #endif
1416
1417 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1418 static void
1419 setup_lpm(int socketid)
1420 {
1421         unsigned i;
1422         int ret;
1423         char s[64];
1424
1425         /* create the LPM table */
1426         struct rte_lpm_config lpm_ipv4_config;
1427
1428         lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1429         lpm_ipv4_config.number_tbl8s = 256;
1430         lpm_ipv4_config.flags = 0;
1431
1432         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1433         ipv4_l3fwd_lookup_struct[socketid] =
1434                         rte_lpm_create(s, socketid, &lpm_ipv4_config);
1435         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1436                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1437                                 " on socket %d\n", socketid);
1438
1439         /* populate the LPM table */
1440         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1441                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1442                         ipv4_l3fwd_route_array[i].ip,
1443                         ipv4_l3fwd_route_array[i].depth,
1444                         ipv4_l3fwd_route_array[i].if_out);
1445
1446                 if (ret < 0) {
1447                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1448                                 "l3fwd LPM table on socket %d\n",
1449                                 i, socketid);
1450                 }
1451
1452                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1453                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1454                         ipv4_l3fwd_route_array[i].depth,
1455                         ipv4_l3fwd_route_array[i].if_out);
1456         }
1457 }
1458 #endif
1459
1460 static int
1461 init_mem(unsigned nb_mbuf)
1462 {
1463         struct lcore_conf *qconf;
1464         int socketid;
1465         unsigned lcore_id;
1466         char s[64];
1467
1468         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1469                 if (rte_lcore_is_enabled(lcore_id) == 0)
1470                         continue;
1471
1472                 if (numa_on)
1473                         socketid = rte_lcore_to_socket_id(lcore_id);
1474                 else
1475                         socketid = 0;
1476
1477                 if (socketid >= NB_SOCKETS) {
1478                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1479                                         "out of range %d\n", socketid,
1480                                                 lcore_id, NB_SOCKETS);
1481                 }
1482                 if (pktmbuf_pool[socketid] == NULL) {
1483                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1484                         pktmbuf_pool[socketid] =
1485                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1486                                         MEMPOOL_CACHE_SIZE, 0,
1487                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1488                                         socketid);
1489                         if (pktmbuf_pool[socketid] == NULL)
1490                                 rte_exit(EXIT_FAILURE,
1491                                         "Cannot init mbuf pool on socket %d\n",
1492                                                                 socketid);
1493                         else
1494                                 printf("Allocated mbuf pool on socket %d\n",
1495                                                                 socketid);
1496
1497 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1498                         setup_lpm(socketid);
1499 #else
1500                         setup_hash(socketid);
1501 #endif
1502                 }
1503                 qconf = &lcore_conf[lcore_id];
1504                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1506                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1507 #endif
1508         }
1509         return 0;
1510 }
1511
1512 /* Check the link status of all ports in up to 9s, and print them finally */
1513 static void
1514 check_all_ports_link_status(uint32_t port_mask)
1515 {
1516 #define CHECK_INTERVAL 100 /* 100ms */
1517 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1518         uint8_t count, all_ports_up, print_flag = 0;
1519         uint16_t portid;
1520         struct rte_eth_link link;
1521
1522         printf("\nChecking link status");
1523         fflush(stdout);
1524         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1525                 all_ports_up = 1;
1526                 RTE_ETH_FOREACH_DEV(portid) {
1527                         if ((port_mask & (1 << portid)) == 0)
1528                                 continue;
1529                         memset(&link, 0, sizeof(link));
1530                         rte_eth_link_get_nowait(portid, &link);
1531                         /* print link status if flag set */
1532                         if (print_flag == 1) {
1533                                 if (link.link_status)
1534                                         printf("Port %d Link Up - speed %u "
1535                                                 "Mbps - %s\n", (uint8_t)portid,
1536                                                 (unsigned)link.link_speed,
1537                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1538                                         ("full-duplex") : ("half-duplex\n"));
1539                                 else
1540                                         printf("Port %d Link Down\n",
1541                                                 (uint8_t)portid);
1542                                 continue;
1543                         }
1544                         /* clear all_ports_up flag if any link down */
1545                         if (link.link_status == ETH_LINK_DOWN) {
1546                                 all_ports_up = 0;
1547                                 break;
1548                         }
1549                 }
1550                 /* after finally printing all link status, get out */
1551                 if (print_flag == 1)
1552                         break;
1553
1554                 if (all_ports_up == 0) {
1555                         printf(".");
1556                         fflush(stdout);
1557                         rte_delay_ms(CHECK_INTERVAL);
1558                 }
1559
1560                 /* set the print_flag if all ports up or timeout */
1561                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1562                         print_flag = 1;
1563                         printf("done\n");
1564                 }
1565         }
1566 }
1567
1568 static int check_ptype(uint16_t portid)
1569 {
1570         int i, ret;
1571         int ptype_l3_ipv4 = 0;
1572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1573         int ptype_l3_ipv6 = 0;
1574 #endif
1575         uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1576
1577         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1578         if (ret <= 0)
1579                 return 0;
1580
1581         uint32_t ptypes[ret];
1582
1583         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1584         for (i = 0; i < ret; ++i) {
1585                 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1586                         ptype_l3_ipv4 = 1;
1587 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1588                 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1589                         ptype_l3_ipv6 = 1;
1590 #endif
1591         }
1592
1593         if (ptype_l3_ipv4 == 0)
1594                 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1595
1596 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1597         if (ptype_l3_ipv6 == 0)
1598                 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1599 #endif
1600
1601 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1602         if (ptype_l3_ipv4)
1603 #else /* APP_LOOKUP_EXACT_MATCH */
1604         if (ptype_l3_ipv4 && ptype_l3_ipv6)
1605 #endif
1606                 return 1;
1607
1608         return 0;
1609
1610 }
1611
1612 int
1613 main(int argc, char **argv)
1614 {
1615         struct lcore_conf *qconf;
1616         struct rte_eth_dev_info dev_info;
1617         struct rte_eth_txconf *txconf;
1618         int ret;
1619         uint16_t nb_ports;
1620         uint16_t queueid;
1621         unsigned lcore_id;
1622         uint64_t hz;
1623         uint32_t n_tx_queue, nb_lcores;
1624         uint32_t dev_rxq_num, dev_txq_num;
1625         uint8_t nb_rx_queue, queue, socketid;
1626         uint16_t portid;
1627
1628         /* catch SIGINT and restore cpufreq governor to ondemand */
1629         signal(SIGINT, signal_exit_now);
1630
1631         /* init EAL */
1632         ret = rte_eal_init(argc, argv);
1633         if (ret < 0)
1634                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1635         argc -= ret;
1636         argv += ret;
1637
1638         /* init RTE timer library to be used late */
1639         rte_timer_subsystem_init();
1640
1641         /* parse application arguments (after the EAL ones) */
1642         ret = parse_args(argc, argv);
1643         if (ret < 0)
1644                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1645
1646         if (check_lcore_params() < 0)
1647                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1648
1649         ret = init_lcore_rx_queues();
1650         if (ret < 0)
1651                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1652
1653         nb_ports = rte_eth_dev_count();
1654
1655         if (check_port_config() < 0)
1656                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1657
1658         nb_lcores = rte_lcore_count();
1659
1660         /* initialize all ports */
1661         RTE_ETH_FOREACH_DEV(portid) {
1662                 struct rte_eth_conf local_port_conf = port_conf;
1663
1664                 /* skip ports that are not enabled */
1665                 if ((enabled_port_mask & (1 << portid)) == 0) {
1666                         printf("\nSkipping disabled port %d\n", portid);
1667                         continue;
1668                 }
1669
1670                 /* init port */
1671                 printf("Initializing port %d ... ", portid );
1672                 fflush(stdout);
1673
1674                 rte_eth_dev_info_get(portid, &dev_info);
1675                 dev_rxq_num = dev_info.max_rx_queues;
1676                 dev_txq_num = dev_info.max_tx_queues;
1677
1678                 nb_rx_queue = get_port_n_rx_queues(portid);
1679                 if (nb_rx_queue > dev_rxq_num)
1680                         rte_exit(EXIT_FAILURE,
1681                                 "Cannot configure not existed rxq: "
1682                                 "port=%d\n", portid);
1683
1684                 n_tx_queue = nb_lcores;
1685                 if (n_tx_queue > dev_txq_num)
1686                         n_tx_queue = dev_txq_num;
1687                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1688                         nb_rx_queue, (unsigned)n_tx_queue );
1689                 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1690                 if (nb_rx_queue == 0)
1691                         local_port_conf.intr_conf.rxq = 0;
1692                 rte_eth_dev_info_get(portid, &dev_info);
1693                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1694                         local_port_conf.txmode.offloads |=
1695                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1696                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1697                                         (uint16_t)n_tx_queue, &local_port_conf);
1698                 if (ret < 0)
1699                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1700                                         "err=%d, port=%d\n", ret, portid);
1701
1702                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1703                                                        &nb_txd);
1704                 if (ret < 0)
1705                         rte_exit(EXIT_FAILURE,
1706                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
1707                                  ret, portid);
1708
1709                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1710                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1711                 printf(", ");
1712
1713                 /* init memory */
1714                 ret = init_mem(NB_MBUF);
1715                 if (ret < 0)
1716                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1717
1718                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1719                         if (rte_lcore_is_enabled(lcore_id) == 0)
1720                                 continue;
1721
1722                         /* Initialize TX buffers */
1723                         qconf = &lcore_conf[lcore_id];
1724                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1725                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1726                                 rte_eth_dev_socket_id(portid));
1727                         if (qconf->tx_buffer[portid] == NULL)
1728                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1729                                                  portid);
1730
1731                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1732                 }
1733
1734                 /* init one TX queue per couple (lcore,port) */
1735                 queueid = 0;
1736                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1737                         if (rte_lcore_is_enabled(lcore_id) == 0)
1738                                 continue;
1739
1740                         if (queueid >= dev_txq_num)
1741                                 continue;
1742
1743                         if (numa_on)
1744                                 socketid = \
1745                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1746                         else
1747                                 socketid = 0;
1748
1749                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1750                         fflush(stdout);
1751
1752                         txconf = &dev_info.default_txconf;
1753                         txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE;
1754                         txconf->offloads = local_port_conf.txmode.offloads;
1755                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1756                                                      socketid, txconf);
1757                         if (ret < 0)
1758                                 rte_exit(EXIT_FAILURE,
1759                                         "rte_eth_tx_queue_setup: err=%d, "
1760                                                 "port=%d\n", ret, portid);
1761
1762                         qconf = &lcore_conf[lcore_id];
1763                         qconf->tx_queue_id[portid] = queueid;
1764                         queueid++;
1765
1766                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1767                         qconf->n_tx_port++;
1768                 }
1769                 printf("\n");
1770         }
1771
1772         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1773                 if (rte_lcore_is_enabled(lcore_id) == 0)
1774                         continue;
1775
1776                 /* init power management library */
1777                 ret = rte_power_init(lcore_id);
1778                 if (ret)
1779                         RTE_LOG(ERR, POWER,
1780                                 "Library initialization failed on core %u\n", lcore_id);
1781
1782                 /* init timer structures for each enabled lcore */
1783                 rte_timer_init(&power_timers[lcore_id]);
1784                 hz = rte_get_timer_hz();
1785                 rte_timer_reset(&power_timers[lcore_id],
1786                         hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1787                                                 power_timer_cb, NULL);
1788
1789                 qconf = &lcore_conf[lcore_id];
1790                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1791                 fflush(stdout);
1792                 /* init RX queues */
1793                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1794                         struct rte_eth_rxconf rxq_conf;
1795                         struct rte_eth_dev *dev;
1796                         struct rte_eth_conf *conf;
1797
1798                         portid = qconf->rx_queue_list[queue].port_id;
1799                         queueid = qconf->rx_queue_list[queue].queue_id;
1800                         dev = &rte_eth_devices[portid];
1801                         conf = &dev->data->dev_conf;
1802
1803                         if (numa_on)
1804                                 socketid = \
1805                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1806                         else
1807                                 socketid = 0;
1808
1809                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1810                         fflush(stdout);
1811
1812                         rte_eth_dev_info_get(portid, &dev_info);
1813                         rxq_conf = dev_info.default_rxconf;
1814                         rxq_conf.offloads = conf->rxmode.offloads;
1815                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1816                                 socketid, &rxq_conf,
1817                                 pktmbuf_pool[socketid]);
1818                         if (ret < 0)
1819                                 rte_exit(EXIT_FAILURE,
1820                                         "rte_eth_rx_queue_setup: err=%d, "
1821                                                 "port=%d\n", ret, portid);
1822
1823                         if (parse_ptype) {
1824                                 if (add_cb_parse_ptype(portid, queueid) < 0)
1825                                         rte_exit(EXIT_FAILURE,
1826                                                  "Fail to add ptype cb\n");
1827                         } else if (!check_ptype(portid))
1828                                 rte_exit(EXIT_FAILURE,
1829                                          "PMD can not provide needed ptypes\n");
1830                 }
1831         }
1832
1833         printf("\n");
1834
1835         /* start ports */
1836         RTE_ETH_FOREACH_DEV(portid) {
1837                 if ((enabled_port_mask & (1 << portid)) == 0) {
1838                         continue;
1839                 }
1840                 /* Start device */
1841                 ret = rte_eth_dev_start(portid);
1842                 if (ret < 0)
1843                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1844                                                 "port=%d\n", ret, portid);
1845                 /*
1846                  * If enabled, put device in promiscuous mode.
1847                  * This allows IO forwarding mode to forward packets
1848                  * to itself through 2 cross-connected  ports of the
1849                  * target machine.
1850                  */
1851                 if (promiscuous_on)
1852                         rte_eth_promiscuous_enable(portid);
1853                 /* initialize spinlock for each port */
1854                 rte_spinlock_init(&(locks[portid]));
1855         }
1856
1857         check_all_ports_link_status(enabled_port_mask);
1858
1859         /* launch per-lcore init on every lcore */
1860         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1861         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1862                 if (rte_eal_wait_lcore(lcore_id) < 0)
1863                         return -1;
1864         }
1865
1866         return 0;
1867 }