examples/l3fwd-power/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2018 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 #include <math.h>
  18
  19 #include <rte_common.h>
  20 #include <rte_byteorder.h>
  21 #include <rte_log.h>
  22 #include <rte_malloc.h>
  23 #include <rte_memory.h>
  24 #include <rte_memcpy.h>
  25 #include <rte_eal.h>
  26 #include <rte_launch.h>
  27 #include <rte_atomic.h>
  28 #include <rte_cycles.h>
  29 #include <rte_prefetch.h>
  30 #include <rte_lcore.h>
  31 #include <rte_per_lcore.h>
  32 #include <rte_branch_prediction.h>
  33 #include <rte_interrupts.h>
  34 #include <rte_random.h>
  35 #include <rte_debug.h>
  36 #include <rte_ether.h>
  37 #include <rte_ethdev.h>
  38 #include <rte_mempool.h>
  39 #include <rte_mbuf.h>
  40 #include <rte_ip.h>
  41 #include <rte_tcp.h>
  42 #include <rte_udp.h>
  43 #include <rte_string_fns.h>
  44 #include <rte_timer.h>
  45 #include <rte_power.h>
  46 #include <rte_spinlock.h>
  47 #include <rte_power_empty_poll.h>
  48 #include <rte_metrics.h>
  49
  50 #include "perf_core.h"
  51 #include "main.h"
  52
  53 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
  54
  55 #define MAX_PKT_BURST 32
  56
  57 #define MIN_ZERO_POLL_COUNT 10
  58
  59 /* 100 ms interval */
  60 #define TIMER_NUMBER_PER_SECOND           10
  61 /* (10ms) */
  62 #define INTERVALS_PER_SECOND             100
  63 /* 100000 us */
  64 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
  65 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
  66
  67 #define APP_LOOKUP_EXACT_MATCH          0
  68 #define APP_LOOKUP_LPM                  1
  69 #define DO_RFC_1812_CHECKS
  70
  71 #ifndef APP_LOOKUP_METHOD
  72 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
  73 #endif
  74
  75 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
  76 #include <rte_hash.h>
  77 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
  78 #include <rte_lpm.h>
  79 #else
  80 #error "APP_LOOKUP_METHOD set to incorrect value"
  81 #endif
  82
  83 #ifndef IPv6_BYTES
  84 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
  85                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
  86 #define IPv6_BYTES(addr) \
  87         addr[0],  addr[1], addr[2],  addr[3], \
  88         addr[4],  addr[5], addr[6],  addr[7], \
  89         addr[8],  addr[9], addr[10], addr[11],\
  90         addr[12], addr[13],addr[14], addr[15]
  91 #endif
  92
  93 #define MAX_JUMBO_PKT_LEN  9600
  94
  95 #define IPV6_ADDR_LEN 16
  96
  97 #define MEMPOOL_CACHE_SIZE 256
  98
  99 /*
 100  * This expression is used to calculate the number of mbufs needed depending on
 101  * user input, taking into account memory for rx and tx hardware rings, cache
 102  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
 103  * NB_MBUF never goes below a minimum value of 8192.
 104  */
 105
 106 #define NB_MBUF RTE_MAX ( \
 107         (nb_ports*nb_rx_queue*nb_rxd + \
 108         nb_ports*nb_lcores*MAX_PKT_BURST + \
 109         nb_ports*n_tx_queue*nb_txd + \
 110         nb_lcores*MEMPOOL_CACHE_SIZE), \
 111         (unsigned)8192)
 112
 113 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 114
 115 #define NB_SOCKETS 8
 116
 117 /* Configure how many packets ahead to prefetch, when reading packets */
 118 #define PREFETCH_OFFSET 3
 119
 120 /*
 121  * Configurable number of RX/TX ring descriptors
 122  */
 123 #define RTE_TEST_RX_DESC_DEFAULT 1024
 124 #define RTE_TEST_TX_DESC_DEFAULT 1024
 125
 126 /*
 127  * These two thresholds were decided on by running the training algorithm on
 128  * a 2.5GHz Xeon. These defaults can be overridden by supplying non-zero values
 129  * for the med_threshold and high_threshold parameters on the command line.
 130  */
 131 #define EMPTY_POLL_MED_THRESHOLD 350000UL
 132 #define EMPTY_POLL_HGH_THRESHOLD 580000UL
 133
 134
 135
 136 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 137 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 138
 139 /* ethernet addresses of ports */
 140 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 141
 142 /* ethernet addresses of ports */
 143 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
 144
 145 /* mask of enabled ports */
 146 static uint32_t enabled_port_mask = 0;
 147 /* Ports set in promiscuous mode off by default. */
 148 static int promiscuous_on = 0;
 149 /* NUMA is enabled by default. */
 150 static int numa_on = 1;
 151 static bool empty_poll_stop;
 152 static bool empty_poll_train;
 153 volatile bool quit_signal;
 154 static struct  ep_params *ep_params;
 155 static struct  ep_policy policy;
 156 static long  ep_med_edpi, ep_hgh_edpi;
 157 /* timer to update telemetry every 500ms */
 158 static struct rte_timer telemetry_timer;
 159
 160 /* stats index returned by metrics lib */
 161 int telstats_index;
 162
 163 struct telstats_name {
 164         char name[RTE_ETH_XSTATS_NAME_SIZE];
 165 };
 166
 167 /* telemetry stats to be reported */
 168 const struct telstats_name telstats_strings[] = {
 169         {"empty_poll"},
 170         {"full_poll"},
 171         {"busy_percent"}
 172 };
 173
 174 /* core busyness in percentage */
 175 enum busy_rate {
 176         ZERO = 0,
 177         PARTIAL = 50,
 178         FULL = 100
 179 };
 180
 181 /* reference poll count to measure core busyness */
 182 #define DEFAULT_COUNT 10000
 183 /*
 184  * reference CYCLES to be used to
 185  * measure core busyness based on poll count
 186  */
 187 #define MIN_CYCLES  1500000ULL
 188 #define MAX_CYCLES 22000000ULL
 189
 190 /* (500ms) */
 191 #define TELEMETRY_INTERVALS_PER_SEC 2
 192
 193 static int parse_ptype; /**< Parse packet type using rx callback, and */
 194                         /**< disabled by default */
 195
 196 enum appmode {
 197         APP_MODE_LEGACY = 0,
 198         APP_MODE_EMPTY_POLL,
 199         APP_MODE_TELEMETRY
 200 };
 201
 202 enum appmode app_mode;
 203
 204 enum freq_scale_hint_t
 205 {
 206         FREQ_LOWER    =      -1,
 207         FREQ_CURRENT  =       0,
 208         FREQ_HIGHER   =       1,
 209         FREQ_HIGHEST  =       2
 210 };
 211
 212 struct lcore_rx_queue {
 213         uint16_t port_id;
 214         uint8_t queue_id;
 215         enum freq_scale_hint_t freq_up_hint;
 216         uint32_t zero_rx_packet_count;
 217         uint32_t idle_hint;
 218 } __rte_cache_aligned;
 219
 220 #define MAX_RX_QUEUE_PER_LCORE 16
 221 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 222 #define MAX_RX_QUEUE_PER_PORT 128
 223
 224 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
 225
 226
 227 struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 228 static struct lcore_params lcore_params_array_default[] = {
 229         {0, 0, 2},
 230         {0, 1, 2},
 231         {0, 2, 2},
 232         {1, 0, 2},
 233         {1, 1, 2},
 234         {1, 2, 2},
 235         {2, 0, 2},
 236         {3, 0, 3},
 237         {3, 1, 3},
 238 };
 239
 240 struct lcore_params *lcore_params = lcore_params_array_default;
 241 uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 242                                 sizeof(lcore_params_array_default[0]);
 243
 244 static struct rte_eth_conf port_conf = {
 245         .rxmode = {
 246                 .mq_mode        = ETH_MQ_RX_RSS,
 247                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 248                 .split_hdr_size = 0,
 249                 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
 250         },
 251         .rx_adv_conf = {
 252                 .rss_conf = {
 253                         .rss_key = NULL,
 254                         .rss_hf = ETH_RSS_UDP,
 255                 },
 256         },
 257         .txmode = {
 258                 .mq_mode = ETH_MQ_TX_NONE,
 259         },
 260         .intr_conf = {
 261                 .rxq = 1,
 262         },
 263 };
 264
 265 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 266
 267
 268 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 269
 270 #ifdef RTE_ARCH_X86
 271 #include <rte_hash_crc.h>
 272 #define DEFAULT_HASH_FUNC       rte_hash_crc
 273 #else
 274 #include <rte_jhash.h>
 275 #define DEFAULT_HASH_FUNC       rte_jhash
 276 #endif
 277
 278 struct ipv4_5tuple {
 279         uint32_t ip_dst;
 280         uint32_t ip_src;
 281         uint16_t port_dst;
 282         uint16_t port_src;
 283         uint8_t  proto;
 284 } __attribute__((__packed__));
 285
 286 struct ipv6_5tuple {
 287         uint8_t  ip_dst[IPV6_ADDR_LEN];
 288         uint8_t  ip_src[IPV6_ADDR_LEN];
 289         uint16_t port_dst;
 290         uint16_t port_src;
 291         uint8_t  proto;
 292 } __attribute__((__packed__));
 293
 294 struct ipv4_l3fwd_route {
 295         struct ipv4_5tuple key;
 296         uint8_t if_out;
 297 };
 298
 299 struct ipv6_l3fwd_route {
 300         struct ipv6_5tuple key;
 301         uint8_t if_out;
 302 };
 303
 304 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 305         {{RTE_IPV4(100,10,0,1), RTE_IPV4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
 306         {{RTE_IPV4(100,20,0,2), RTE_IPV4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
 307         {{RTE_IPV4(100,30,0,3), RTE_IPV4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
 308         {{RTE_IPV4(100,40,0,4), RTE_IPV4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
 309 };
 310
 311 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 312         {
 313                 {
 314                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 315                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
 316                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 317                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
 318                          1, 10, IPPROTO_UDP
 319                 }, 4
 320         },
 321 };
 322
 323 typedef struct rte_hash lookup_struct_t;
 324 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 325 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
 326
 327 #define L3FWD_HASH_ENTRIES      1024
 328
 329 #define IPV4_L3FWD_NUM_ROUTES \
 330         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 331
 332 #define IPV6_L3FWD_NUM_ROUTES \
 333         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
 334
 335 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 336 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 337 #endif
 338
 339 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 340 struct ipv4_l3fwd_route {
 341         uint32_t ip;
 342         uint8_t  depth;
 343         uint8_t  if_out;
 344 };
 345
 346 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 347         {RTE_IPV4(1,1,1,0), 24, 0},
 348         {RTE_IPV4(2,1,1,0), 24, 1},
 349         {RTE_IPV4(3,1,1,0), 24, 2},
 350         {RTE_IPV4(4,1,1,0), 24, 3},
 351         {RTE_IPV4(5,1,1,0), 24, 4},
 352         {RTE_IPV4(6,1,1,0), 24, 5},
 353         {RTE_IPV4(7,1,1,0), 24, 6},
 354         {RTE_IPV4(8,1,1,0), 24, 7},
 355 };
 356
 357 #define IPV4_L3FWD_NUM_ROUTES \
 358         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 359
 360 #define IPV4_L3FWD_LPM_MAX_RULES     1024
 361
 362 typedef struct rte_lpm lookup_struct_t;
 363 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 364 #endif
 365
 366 struct lcore_conf {
 367         uint16_t n_rx_queue;
 368         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 369         uint16_t n_tx_port;
 370         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
 371         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 372         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
 373         lookup_struct_t * ipv4_lookup_struct;
 374         lookup_struct_t * ipv6_lookup_struct;
 375 } __rte_cache_aligned;
 376
 377 struct lcore_stats {
 378         /* total sleep time in ms since last frequency scaling down */
 379         uint32_t sleep_time;
 380         /* number of long sleep recently */
 381         uint32_t nb_long_sleep;
 382         /* freq. scaling up trend */
 383         uint32_t trend;
 384         /* total packet processed recently */
 385         uint64_t nb_rx_processed;
 386         /* total iterations looped recently */
 387         uint64_t nb_iteration_looped;
 388         /*
 389          * Represents empty and non empty polls
 390          * of rte_eth_rx_burst();
 391          * ep_nep[0] holds non empty polls
 392          * i.e. 0 < nb_rx <= MAX_BURST
 393          * ep_nep[1] holds empty polls.
 394          * i.e. nb_rx == 0
 395          */
 396         uint64_t ep_nep[2];
 397         /*
 398          * Represents full and empty+partial
 399          * polls of rte_eth_rx_burst();
 400          * ep_nep[0] holds empty+partial polls.
 401          * i.e. 0 <= nb_rx < MAX_BURST
 402          * ep_nep[1] holds full polls
 403          * i.e. nb_rx == MAX_BURST
 404          */
 405         uint64_t fp_nfp[2];
 406         enum busy_rate br;
 407         rte_spinlock_t telemetry_lock;
 408 } __rte_cache_aligned;
 409
 410 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
 411 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
 412 static struct rte_timer power_timers[RTE_MAX_LCORE];
 413
 414 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
 415 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
 416                 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
 417
 418
 419 /*
 420  * These defaults are using the max frequency index (1), a medium index (9)
 421  * and a typical low frequency index (14). These can be adjusted to use
 422  * different indexes using the relevant command line parameters.
 423  */
 424 static uint8_t  freq_tlb[] = {14, 9, 1};
 425
 426 static int is_done(void)
 427 {
 428         return quit_signal;
 429 }
 430
 431 /* exit signal handler */
 432 static void
 433 signal_exit_now(int sigtype)
 434 {
 435         unsigned lcore_id;
 436         unsigned int portid;
 437         int ret;
 438
 439         if (sigtype == SIGINT) {
 440                 if (app_mode == APP_MODE_EMPTY_POLL ||
 441                                 app_mode == APP_MODE_TELEMETRY)
 442                         quit_signal = true;
 443
 444
 445                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 446                         if (rte_lcore_is_enabled(lcore_id) == 0)
 447                                 continue;
 448
 449                         /* init power management library */
 450                         ret = rte_power_exit(lcore_id);
 451                         if (ret)
 452                                 rte_exit(EXIT_FAILURE, "Power management "
 453                                         "library de-initialization failed on "
 454                                                         "core%u\n", lcore_id);
 455                 }
 456
 457                 if (app_mode != APP_MODE_EMPTY_POLL) {
 458                         RTE_ETH_FOREACH_DEV(portid) {
 459                                 if ((enabled_port_mask & (1 << portid)) == 0)
 460                                         continue;
 461
 462                                 rte_eth_dev_stop(portid);
 463                                 rte_eth_dev_close(portid);
 464                         }
 465                 }
 466         }
 467
 468         if (app_mode != APP_MODE_EMPTY_POLL)
 469                 rte_exit(EXIT_SUCCESS, "User forced exit\n");
 470 }
 471
 472 /*  Freqency scale down timer callback */
 473 static void
 474 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 475                           __attribute__((unused)) void *arg)
 476 {
 477         uint64_t hz;
 478         float sleep_time_ratio;
 479         unsigned lcore_id = rte_lcore_id();
 480
 481         /* accumulate total execution time in us when callback is invoked */
 482         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
 483                                         (float)SCALING_PERIOD;
 484         /**
 485          * check whether need to scale down frequency a step if it sleep a lot.
 486          */
 487         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
 488                 if (rte_power_freq_down)
 489                         rte_power_freq_down(lcore_id);
 490         }
 491         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
 492                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
 493                 /**
 494                  * scale down a step if average packet per iteration less
 495                  * than expectation.
 496                  */
 497                 if (rte_power_freq_down)
 498                         rte_power_freq_down(lcore_id);
 499         }
 500
 501         /**
 502          * initialize another timer according to current frequency to ensure
 503          * timer interval is relatively fixed.
 504          */
 505         hz = rte_get_timer_hz();
 506         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
 507                                 SINGLE, lcore_id, power_timer_cb, NULL);
 508
 509         stats[lcore_id].nb_rx_processed = 0;
 510         stats[lcore_id].nb_iteration_looped = 0;
 511
 512         stats[lcore_id].sleep_time = 0;
 513 }
 514
 515 /* Enqueue a single packet, and send burst if queue is filled */
 516 static inline int
 517 send_single_packet(struct rte_mbuf *m, uint16_t port)
 518 {
 519         uint32_t lcore_id;
 520         struct lcore_conf *qconf;
 521
 522         lcore_id = rte_lcore_id();
 523         qconf = &lcore_conf[lcore_id];
 524
 525         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
 526                         qconf->tx_buffer[port], m);
 527
 528         return 0;
 529 }
 530
 531 #ifdef DO_RFC_1812_CHECKS
 532 static inline int
 533 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
 534 {
 535         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
 536         /*
 537          * 1. The packet length reported by the Link Layer must be large
 538          * enough to hold the minimum length legal IP datagram (20 bytes).
 539          */
 540         if (link_len < sizeof(struct rte_ipv4_hdr))
 541                 return -1;
 542
 543         /* 2. The IP checksum must be correct. */
 544         /* this is checked in H/W */
 545
 546         /*
 547          * 3. The IP version number must be 4. If the version number is not 4
 548          * then the packet may be another version of IP, such as IPng or
 549          * ST-II.
 550          */
 551         if (((pkt->version_ihl) >> 4) != 4)
 552                 return -3;
 553         /*
 554          * 4. The IP header length field must be large enough to hold the
 555          * minimum length legal IP datagram (20 bytes = 5 words).
 556          */
 557         if ((pkt->version_ihl & 0xf) < 5)
 558                 return -4;
 559
 560         /*
 561          * 5. The IP total length field must be large enough to hold the IP
 562          * datagram header, whose length is specified in the IP header length
 563          * field.
 564          */
 565         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
 566                 return -5;
 567
 568         return 0;
 569 }
 570 #endif
 571
 572 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 573 static void
 574 print_ipv4_key(struct ipv4_5tuple key)
 575 {
 576         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
 577                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
 578                                 key.port_dst, key.port_src, key.proto);
 579 }
 580 static void
 581 print_ipv6_key(struct ipv6_5tuple key)
 582 {
 583         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
 584                 "port dst = %d, port src = %d, proto = %d\n",
 585                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
 586                 key.port_dst, key.port_src, key.proto);
 587 }
 588
 589 static inline uint16_t
 590 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
 591                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
 592 {
 593         struct ipv4_5tuple key;
 594         struct rte_tcp_hdr *tcp;
 595         struct rte_udp_hdr *udp;
 596         int ret = 0;
 597
 598         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
 599         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
 600         key.proto = ipv4_hdr->next_proto_id;
 601
 602         switch (ipv4_hdr->next_proto_id) {
 603         case IPPROTO_TCP:
 604                 tcp = (struct rte_tcp_hdr *)((unsigned char *)ipv4_hdr +
 605                                         sizeof(struct rte_ipv4_hdr));
 606                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 607                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 608                 break;
 609
 610         case IPPROTO_UDP:
 611                 udp = (struct rte_udp_hdr *)((unsigned char *)ipv4_hdr +
 612                                         sizeof(struct rte_ipv4_hdr));
 613                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 614                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 615                 break;
 616
 617         default:
 618                 key.port_dst = 0;
 619                 key.port_src = 0;
 620                 break;
 621         }
 622
 623         /* Find destination port */
 624         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
 625         return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
 626 }
 627
 628 static inline uint16_t
 629 get_ipv6_dst_port(struct rte_ipv6_hdr *ipv6_hdr, uint16_t portid,
 630                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
 631 {
 632         struct ipv6_5tuple key;
 633         struct rte_tcp_hdr *tcp;
 634         struct rte_udp_hdr *udp;
 635         int ret = 0;
 636
 637         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
 638         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
 639
 640         key.proto = ipv6_hdr->proto;
 641
 642         switch (ipv6_hdr->proto) {
 643         case IPPROTO_TCP:
 644                 tcp = (struct rte_tcp_hdr *)((unsigned char *) ipv6_hdr +
 645                                         sizeof(struct rte_ipv6_hdr));
 646                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 647                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 648                 break;
 649
 650         case IPPROTO_UDP:
 651                 udp = (struct rte_udp_hdr *)((unsigned char *) ipv6_hdr +
 652                                         sizeof(struct rte_ipv6_hdr));
 653                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 654                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 655                 break;
 656
 657         default:
 658                 key.port_dst = 0;
 659                 key.port_src = 0;
 660                 break;
 661         }
 662
 663         /* Find destination port */
 664         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
 665         return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
 666 }
 667 #endif
 668
 669 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 670 static inline uint16_t
 671 get_ipv4_dst_port(struct rte_ipv4_hdr *ipv4_hdr, uint16_t portid,
 672                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
 673 {
 674         uint32_t next_hop;
 675
 676         return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
 677                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
 678                         next_hop : portid);
 679 }
 680 #endif
 681
 682 static inline void
 683 parse_ptype_one(struct rte_mbuf *m)
 684 {
 685         struct rte_ether_hdr *eth_hdr;
 686         uint32_t packet_type = RTE_PTYPE_UNKNOWN;
 687         uint16_t ether_type;
 688
 689         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 690         ether_type = eth_hdr->ether_type;
 691         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 692                 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 693         else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6))
 694                 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 695
 696         m->packet_type = packet_type;
 697 }
 698
 699 static uint16_t
 700 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
 701                struct rte_mbuf *pkts[], uint16_t nb_pkts,
 702                uint16_t max_pkts __rte_unused,
 703                void *user_param __rte_unused)
 704 {
 705         unsigned int i;
 706
 707         for (i = 0; i < nb_pkts; ++i)
 708                 parse_ptype_one(pkts[i]);
 709
 710         return nb_pkts;
 711 }
 712
 713 static int
 714 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
 715 {
 716         printf("Port %d: softly parse packet type info\n", portid);
 717         if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
 718                 return 0;
 719
 720         printf("Failed to add rx callback: port=%d\n", portid);
 721         return -1;
 722 }
 723
 724 static inline void
 725 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 726                                 struct lcore_conf *qconf)
 727 {
 728         struct rte_ether_hdr *eth_hdr;
 729         struct rte_ipv4_hdr *ipv4_hdr;
 730         void *d_addr_bytes;
 731         uint16_t dst_port;
 732
 733         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 734
 735         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 736                 /* Handle IPv4 headers.*/
 737                 ipv4_hdr =
 738                         rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
 739                                                 sizeof(struct rte_ether_hdr));
 740
 741 #ifdef DO_RFC_1812_CHECKS
 742                 /* Check to make sure the packet is valid (RFC1812) */
 743                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
 744                         rte_pktmbuf_free(m);
 745                         return;
 746                 }
 747 #endif
 748
 749                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
 750                                         qconf->ipv4_lookup_struct);
 751                 if (dst_port >= RTE_MAX_ETHPORTS ||
 752                                 (enabled_port_mask & 1 << dst_port) == 0)
 753                         dst_port = portid;
 754
 755                 /* 02:00:00:00:00:xx */
 756                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 757                 *((uint64_t *)d_addr_bytes) =
 758                         0x000000000002 + ((uint64_t)dst_port << 40);
 759
 760 #ifdef DO_RFC_1812_CHECKS
 761                 /* Update time to live and header checksum */
 762                 --(ipv4_hdr->time_to_live);
 763                 ++(ipv4_hdr->hdr_checksum);
 764 #endif
 765
 766                 /* src addr */
 767                 rte_ether_addr_copy(&ports_eth_addr[dst_port],
 768                                 &eth_hdr->s_addr);
 769
 770                 send_single_packet(m, dst_port);
 771         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 772                 /* Handle IPv6 headers.*/
 773 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 774                 struct rte_ipv6_hdr *ipv6_hdr;
 775
 776                 ipv6_hdr =
 777                         rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
 778                                                 sizeof(struct rte_ether_hdr));
 779
 780                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
 781                                         qconf->ipv6_lookup_struct);
 782
 783                 if (dst_port >= RTE_MAX_ETHPORTS ||
 784                                 (enabled_port_mask & 1 << dst_port) == 0)
 785                         dst_port = portid;
 786
 787                 /* 02:00:00:00:00:xx */
 788                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 789                 *((uint64_t *)d_addr_bytes) =
 790                         0x000000000002 + ((uint64_t)dst_port << 40);
 791
 792                 /* src addr */
 793                 rte_ether_addr_copy(&ports_eth_addr[dst_port],
 794                                 &eth_hdr->s_addr);
 795
 796                 send_single_packet(m, dst_port);
 797 #else
 798                 /* We don't currently handle IPv6 packets in LPM mode. */
 799                 rte_pktmbuf_free(m);
 800 #endif
 801         } else
 802                 rte_pktmbuf_free(m);
 803
 804 }
 805
 806 #define MINIMUM_SLEEP_TIME         1
 807 #define SUSPEND_THRESHOLD          300
 808
 809 static inline uint32_t
 810 power_idle_heuristic(uint32_t zero_rx_packet_count)
 811 {
 812         /* If zero count is less than 100,  sleep 1us */
 813         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
 814                 return MINIMUM_SLEEP_TIME;
 815         /* If zero count is less than 1000, sleep 100 us which is the
 816                 minimum latency switching from C3/C6 to C0
 817         */
 818         else
 819                 return SUSPEND_THRESHOLD;
 820 }
 821
 822 static inline enum freq_scale_hint_t
 823 power_freq_scaleup_heuristic(unsigned lcore_id,
 824                              uint16_t port_id,
 825                              uint16_t queue_id)
 826 {
 827         uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id);
 828 /**
 829  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
 830  * per iteration
 831  */
 832 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
 833 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
 834 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
 835 #define FREQ_UP_TREND1_ACC   1
 836 #define FREQ_UP_TREND2_ACC   100
 837 #define FREQ_UP_THRESHOLD    10000
 838
 839         if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) {
 840                 stats[lcore_id].trend = 0;
 841                 return FREQ_HIGHEST;
 842         } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD))
 843                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
 844         else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD))
 845                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
 846
 847         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
 848                 stats[lcore_id].trend = 0;
 849                 return FREQ_HIGHER;
 850         }
 851
 852         return FREQ_CURRENT;
 853 }
 854
 855 /**
 856  * force polling thread sleep until one-shot rx interrupt triggers
 857  * @param port_id
 858  *  Port id.
 859  * @param queue_id
 860  *  Rx queue id.
 861  * @return
 862  *  0 on success
 863  */
 864 static int
 865 sleep_until_rx_interrupt(int num)
 866 {
 867         struct rte_epoll_event event[num];
 868         int n, i;
 869         uint16_t port_id;
 870         uint8_t queue_id;
 871         void *data;
 872
 873         RTE_LOG(INFO, L3FWD_POWER,
 874                 "lcore %u sleeps until interrupt triggers\n",
 875                 rte_lcore_id());
 876
 877         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
 878         for (i = 0; i < n; i++) {
 879                 data = event[i].epdata.data;
 880                 port_id = ((uintptr_t)data) >> CHAR_BIT;
 881                 queue_id = ((uintptr_t)data) &
 882                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
 883                 rte_spinlock_lock(&(locks[port_id]));
 884                 rte_eth_dev_rx_intr_disable(port_id, queue_id);
 885                 rte_spinlock_unlock(&(locks[port_id]));
 886                 RTE_LOG(INFO, L3FWD_POWER,
 887                         "lcore %u is waked up from rx interrupt on"
 888                         " port %d queue %d\n",
 889                         rte_lcore_id(), port_id, queue_id);
 890         }
 891
 892         return 0;
 893 }
 894
 895 static void turn_on_intr(struct lcore_conf *qconf)
 896 {
 897         int i;
 898         struct lcore_rx_queue *rx_queue;
 899         uint8_t queue_id;
 900         uint16_t port_id;
 901
 902         for (i = 0; i < qconf->n_rx_queue; ++i) {
 903                 rx_queue = &(qconf->rx_queue_list[i]);
 904                 port_id = rx_queue->port_id;
 905                 queue_id = rx_queue->queue_id;
 906
 907                 rte_spinlock_lock(&(locks[port_id]));
 908                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
 909                 rte_spinlock_unlock(&(locks[port_id]));
 910         }
 911 }
 912
 913 static int event_register(struct lcore_conf *qconf)
 914 {
 915         struct lcore_rx_queue *rx_queue;
 916         uint8_t queueid;
 917         uint16_t portid;
 918         uint32_t data;
 919         int ret;
 920         int i;
 921
 922         for (i = 0; i < qconf->n_rx_queue; ++i) {
 923                 rx_queue = &(qconf->rx_queue_list[i]);
 924                 portid = rx_queue->port_id;
 925                 queueid = rx_queue->queue_id;
 926                 data = portid << CHAR_BIT | queueid;
 927
 928                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
 929                                                 RTE_EPOLL_PER_THREAD,
 930                                                 RTE_INTR_EVENT_ADD,
 931                                                 (void *)((uintptr_t)data));
 932                 if (ret)
 933                         return ret;
 934         }
 935
 936         return 0;
 937 }
 938 /* main processing loop */
 939 static int
 940 main_telemetry_loop(__attribute__((unused)) void *dummy)
 941 {
 942         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 943         unsigned int lcore_id;
 944         uint64_t prev_tsc, diff_tsc, cur_tsc, prev_tel_tsc;
 945         int i, j, nb_rx;
 946         uint8_t queueid;
 947         uint16_t portid;
 948         struct lcore_conf *qconf;
 949         struct lcore_rx_queue *rx_queue;
 950         uint64_t ep_nep[2] = {0}, fp_nfp[2] = {0};
 951         uint64_t poll_count;
 952         enum busy_rate br;
 953
 954         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 955                                         US_PER_S * BURST_TX_DRAIN_US;
 956
 957         poll_count = 0;
 958         prev_tsc = 0;
 959         prev_tel_tsc = 0;
 960
 961         lcore_id = rte_lcore_id();
 962         qconf = &lcore_conf[lcore_id];
 963
 964         if (qconf->n_rx_queue == 0) {
 965                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
 966                         lcore_id);
 967                 return 0;
 968         }
 969
 970         RTE_LOG(INFO, L3FWD_POWER, "entering main telemetry loop on lcore %u\n",
 971                 lcore_id);
 972
 973         for (i = 0; i < qconf->n_rx_queue; i++) {
 974                 portid = qconf->rx_queue_list[i].port_id;
 975                 queueid = qconf->rx_queue_list[i].queue_id;
 976                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
 977                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
 978         }
 979
 980         while (!is_done()) {
 981
 982                 cur_tsc = rte_rdtsc();
 983                 /*
 984                  * TX burst queue drain
 985                  */
 986                 diff_tsc = cur_tsc - prev_tsc;
 987                 if (unlikely(diff_tsc > drain_tsc)) {
 988                         for (i = 0; i < qconf->n_tx_port; ++i) {
 989                                 portid = qconf->tx_port_id[i];
 990                                 rte_eth_tx_buffer_flush(portid,
 991                                                 qconf->tx_queue_id[portid],
 992                                                 qconf->tx_buffer[portid]);
 993                         }
 994                         prev_tsc = cur_tsc;
 995                 }
 996
 997                 /*
 998                  * Read packet from RX queues
 999                  */
1000                 for (i = 0; i < qconf->n_rx_queue; ++i) {
1001                         rx_queue = &(qconf->rx_queue_list[i]);
1002                         portid = rx_queue->port_id;
1003                         queueid = rx_queue->queue_id;
1004
1005                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1006                                                                 MAX_PKT_BURST);
1007                         ep_nep[nb_rx == 0]++;
1008                         fp_nfp[nb_rx == MAX_PKT_BURST]++;
1009                         poll_count++;
1010                         if (unlikely(nb_rx == 0))
1011                                 continue;
1012
1013                         /* Prefetch first packets */
1014                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1015                                 rte_prefetch0(rte_pktmbuf_mtod(
1016                                                 pkts_burst[j], void *));
1017                         }
1018
1019                         /* Prefetch and forward already prefetched packets */
1020                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1021                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1022                                                 j + PREFETCH_OFFSET], void *));
1023                                 l3fwd_simple_forward(pkts_burst[j], portid,
1024                                                                 qconf);
1025                         }
1026
1027                         /* Forward remaining prefetched packets */
1028                         for (; j < nb_rx; j++) {
1029                                 l3fwd_simple_forward(pkts_burst[j], portid,
1030                                                                 qconf);
1031                         }
1032                 }
1033                 if (unlikely(poll_count >= DEFAULT_COUNT)) {
1034                         diff_tsc = cur_tsc - prev_tel_tsc;
1035                         if (diff_tsc >= MAX_CYCLES) {
1036                                 br = FULL;
1037                         } else if (diff_tsc > MIN_CYCLES &&
1038                                         diff_tsc < MAX_CYCLES) {
1039                                 br = (diff_tsc * 100) / MAX_CYCLES;
1040                         } else {
1041                                 br = ZERO;
1042                         }
1043                         poll_count = 0;
1044                         prev_tel_tsc = cur_tsc;
1045                         /* update stats for telemetry */
1046                         rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
1047                         stats[lcore_id].ep_nep[0] = ep_nep[0];
1048                         stats[lcore_id].ep_nep[1] = ep_nep[1];
1049                         stats[lcore_id].fp_nfp[0] = fp_nfp[0];
1050                         stats[lcore_id].fp_nfp[1] = fp_nfp[1];
1051                         stats[lcore_id].br = br;
1052                         rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
1053                 }
1054         }
1055
1056         return 0;
1057 }
1058 /* main processing loop */
1059 static int
1060 main_empty_poll_loop(__attribute__((unused)) void *dummy)
1061 {
1062         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1063         unsigned int lcore_id;
1064         uint64_t prev_tsc, diff_tsc, cur_tsc;
1065         int i, j, nb_rx;
1066         uint8_t queueid;
1067         uint16_t portid;
1068         struct lcore_conf *qconf;
1069         struct lcore_rx_queue *rx_queue;
1070
1071         const uint64_t drain_tsc =
1072                 (rte_get_tsc_hz() + US_PER_S - 1) /
1073                 US_PER_S * BURST_TX_DRAIN_US;
1074
1075         prev_tsc = 0;
1076
1077         lcore_id = rte_lcore_id();
1078         qconf = &lcore_conf[lcore_id];
1079
1080         if (qconf->n_rx_queue == 0) {
1081                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n",
1082                         lcore_id);
1083                 return 0;
1084         }
1085
1086         for (i = 0; i < qconf->n_rx_queue; i++) {
1087                 portid = qconf->rx_queue_list[i].port_id;
1088                 queueid = qconf->rx_queue_list[i].queue_id;
1089                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
1090                                 "rxqueueid=%hhu\n", lcore_id, portid, queueid);
1091         }
1092
1093         while (!is_done()) {
1094                 stats[lcore_id].nb_iteration_looped++;
1095
1096                 cur_tsc = rte_rdtsc();
1097                 /*
1098                  * TX burst queue drain
1099                  */
1100                 diff_tsc = cur_tsc - prev_tsc;
1101                 if (unlikely(diff_tsc > drain_tsc)) {
1102                         for (i = 0; i < qconf->n_tx_port; ++i) {
1103                                 portid = qconf->tx_port_id[i];
1104                                 rte_eth_tx_buffer_flush(portid,
1105                                                 qconf->tx_queue_id[portid],
1106                                                 qconf->tx_buffer[portid]);
1107                         }
1108                         prev_tsc = cur_tsc;
1109                 }
1110
1111                 /*
1112                  * Read packet from RX queues
1113                  */
1114                 for (i = 0; i < qconf->n_rx_queue; ++i) {
1115                         rx_queue = &(qconf->rx_queue_list[i]);
1116                         rx_queue->idle_hint = 0;
1117                         portid = rx_queue->port_id;
1118                         queueid = rx_queue->queue_id;
1119
1120                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1121                                         MAX_PKT_BURST);
1122
1123                         stats[lcore_id].nb_rx_processed += nb_rx;
1124
1125                         if (nb_rx == 0) {
1126
1127                                 rte_power_empty_poll_stat_update(lcore_id);
1128
1129                                 continue;
1130                         } else {
1131                                 rte_power_poll_stat_update(lcore_id, nb_rx);
1132                         }
1133
1134
1135                         /* Prefetch first packets */
1136                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1137                                 rte_prefetch0(rte_pktmbuf_mtod(
1138                                                         pkts_burst[j], void *));
1139                         }
1140
1141                         /* Prefetch and forward already prefetched packets */
1142                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1143                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1144                                                         j + PREFETCH_OFFSET],
1145                                                         void *));
1146                                 l3fwd_simple_forward(pkts_burst[j], portid,
1147                                                 qconf);
1148                         }
1149
1150                         /* Forward remaining prefetched packets */
1151                         for (; j < nb_rx; j++) {
1152                                 l3fwd_simple_forward(pkts_burst[j], portid,
1153                                                 qconf);
1154                         }
1155
1156                 }
1157
1158         }
1159
1160         return 0;
1161 }
1162 /* main processing loop */
1163 static int
1164 main_loop(__attribute__((unused)) void *dummy)
1165 {
1166         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1167         unsigned lcore_id;
1168         uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
1169         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
1170         int i, j, nb_rx;
1171         uint8_t queueid;
1172         uint16_t portid;
1173         struct lcore_conf *qconf;
1174         struct lcore_rx_queue *rx_queue;
1175         enum freq_scale_hint_t lcore_scaleup_hint;
1176         uint32_t lcore_rx_idle_count = 0;
1177         uint32_t lcore_idle_hint = 0;
1178         int intr_en = 0;
1179
1180         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
1181
1182         prev_tsc = 0;
1183         hz = rte_get_timer_hz();
1184         tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
1185
1186         lcore_id = rte_lcore_id();
1187         qconf = &lcore_conf[lcore_id];
1188
1189         if (qconf->n_rx_queue == 0) {
1190                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
1191                 return 0;
1192         }
1193
1194         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
1195
1196         for (i = 0; i < qconf->n_rx_queue; i++) {
1197                 portid = qconf->rx_queue_list[i].port_id;
1198                 queueid = qconf->rx_queue_list[i].queue_id;
1199                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
1200                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
1201         }
1202
1203         /* add into event wait list */
1204         if (event_register(qconf) == 0)
1205                 intr_en = 1;
1206         else
1207                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
1208
1209         while (1) {
1210                 stats[lcore_id].nb_iteration_looped++;
1211
1212                 cur_tsc = rte_rdtsc();
1213                 cur_tsc_power = cur_tsc;
1214
1215                 /*
1216                  * TX burst queue drain
1217                  */
1218                 diff_tsc = cur_tsc - prev_tsc;
1219                 if (unlikely(diff_tsc > drain_tsc)) {
1220                         for (i = 0; i < qconf->n_tx_port; ++i) {
1221                                 portid = qconf->tx_port_id[i];
1222                                 rte_eth_tx_buffer_flush(portid,
1223                                                 qconf->tx_queue_id[portid],
1224                                                 qconf->tx_buffer[portid]);
1225                         }
1226                         prev_tsc = cur_tsc;
1227                 }
1228
1229                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
1230                 if (diff_tsc_power > tim_res_tsc) {
1231                         rte_timer_manage();
1232                         prev_tsc_power = cur_tsc_power;
1233                 }
1234
1235 start_rx:
1236                 /*
1237                  * Read packet from RX queues
1238                  */
1239                 lcore_scaleup_hint = FREQ_CURRENT;
1240                 lcore_rx_idle_count = 0;
1241                 for (i = 0; i < qconf->n_rx_queue; ++i) {
1242                         rx_queue = &(qconf->rx_queue_list[i]);
1243                         rx_queue->idle_hint = 0;
1244                         portid = rx_queue->port_id;
1245                         queueid = rx_queue->queue_id;
1246
1247                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
1248                                                                 MAX_PKT_BURST);
1249
1250                         stats[lcore_id].nb_rx_processed += nb_rx;
1251                         if (unlikely(nb_rx == 0)) {
1252                                 /**
1253                                  * no packet received from rx queue, try to
1254                                  * sleep for a while forcing CPU enter deeper
1255                                  * C states.
1256                                  */
1257                                 rx_queue->zero_rx_packet_count++;
1258
1259                                 if (rx_queue->zero_rx_packet_count <=
1260                                                         MIN_ZERO_POLL_COUNT)
1261                                         continue;
1262
1263                                 rx_queue->idle_hint = power_idle_heuristic(\
1264                                         rx_queue->zero_rx_packet_count);
1265                                 lcore_rx_idle_count++;
1266                         } else {
1267                                 rx_queue->zero_rx_packet_count = 0;
1268
1269                                 /**
1270                                  * do not scale up frequency immediately as
1271                                  * user to kernel space communication is costly
1272                                  * which might impact packet I/O for received
1273                                  * packets.
1274                                  */
1275                                 rx_queue->freq_up_hint =
1276                                         power_freq_scaleup_heuristic(lcore_id,
1277                                                         portid, queueid);
1278                         }
1279
1280                         /* Prefetch first packets */
1281                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
1282                                 rte_prefetch0(rte_pktmbuf_mtod(
1283                                                 pkts_burst[j], void *));
1284                         }
1285
1286                         /* Prefetch and forward already prefetched packets */
1287                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
1288                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
1289                                                 j + PREFETCH_OFFSET], void *));
1290                                 l3fwd_simple_forward(pkts_burst[j], portid,
1291                                                                 qconf);
1292                         }
1293
1294                         /* Forward remaining prefetched packets */
1295                         for (; j < nb_rx; j++) {
1296                                 l3fwd_simple_forward(pkts_burst[j], portid,
1297                                                                 qconf);
1298                         }
1299                 }
1300
1301                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1302                         for (i = 1, lcore_scaleup_hint =
1303                                 qconf->rx_queue_list[0].freq_up_hint;
1304                                         i < qconf->n_rx_queue; ++i) {
1305                                 rx_queue = &(qconf->rx_queue_list[i]);
1306                                 if (rx_queue->freq_up_hint >
1307                                                 lcore_scaleup_hint)
1308                                         lcore_scaleup_hint =
1309                                                 rx_queue->freq_up_hint;
1310                         }
1311
1312                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
1313                                 if (rte_power_freq_max)
1314                                         rte_power_freq_max(lcore_id);
1315                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1316                                 if (rte_power_freq_up)
1317                                         rte_power_freq_up(lcore_id);
1318                         }
1319                 } else {
1320                         /**
1321                          * All Rx queues empty in recent consecutive polls,
1322                          * sleep in a conservative manner, meaning sleep as
1323                          * less as possible.
1324                          */
1325                         for (i = 1, lcore_idle_hint =
1326                                 qconf->rx_queue_list[0].idle_hint;
1327                                         i < qconf->n_rx_queue; ++i) {
1328                                 rx_queue = &(qconf->rx_queue_list[i]);
1329                                 if (rx_queue->idle_hint < lcore_idle_hint)
1330                                         lcore_idle_hint = rx_queue->idle_hint;
1331                         }
1332
1333                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1334                                 /**
1335                                  * execute "pause" instruction to avoid context
1336                                  * switch which generally take hundred of
1337                                  * microseconds for short sleep.
1338                                  */
1339                                 rte_delay_us(lcore_idle_hint);
1340                         else {
1341                                 /* suspend until rx interrupt trigges */
1342                                 if (intr_en) {
1343                                         turn_on_intr(qconf);
1344                                         sleep_until_rx_interrupt(
1345                                                 qconf->n_rx_queue);
1346                                         /**
1347                                          * start receiving packets immediately
1348                                          */
1349                                         goto start_rx;
1350                                 }
1351                         }
1352                         stats[lcore_id].sleep_time += lcore_idle_hint;
1353                 }
1354         }
1355 }
1356
1357 static int
1358 check_lcore_params(void)
1359 {
1360         uint8_t queue, lcore;
1361         uint16_t i;
1362         int socketid;
1363
1364         for (i = 0; i < nb_lcore_params; ++i) {
1365                 queue = lcore_params[i].queue_id;
1366                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1367                         printf("invalid queue number: %hhu\n", queue);
1368                         return -1;
1369                 }
1370                 lcore = lcore_params[i].lcore_id;
1371                 if (!rte_lcore_is_enabled(lcore)) {
1372                         printf("error: lcore %hhu is not enabled in lcore "
1373                                                         "mask\n", lcore);
1374                         return -1;
1375                 }
1376                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1377                                                         (numa_on == 0)) {
1378                         printf("warning: lcore %hhu is on socket %d with numa "
1379                                                 "off\n", lcore, socketid);
1380                 }
1381                 if (app_mode == APP_MODE_TELEMETRY && lcore == rte_lcore_id()) {
1382                         printf("cannot enable master core %d in config for telemetry mode\n",
1383                                 rte_lcore_id());
1384                         return -1;
1385                 }
1386         }
1387         return 0;
1388 }
1389
1390 static int
1391 check_port_config(void)
1392 {
1393         unsigned portid;
1394         uint16_t i;
1395
1396         for (i = 0; i < nb_lcore_params; ++i) {
1397                 portid = lcore_params[i].port_id;
1398                 if ((enabled_port_mask & (1 << portid)) == 0) {
1399                         printf("port %u is not enabled in port mask\n",
1400                                                                 portid);
1401                         return -1;
1402                 }
1403                 if (!rte_eth_dev_is_valid_port(portid)) {
1404                         printf("port %u is not present on the board\n",
1405                                                                 portid);
1406                         return -1;
1407                 }
1408         }
1409         return 0;
1410 }
1411
1412 static uint8_t
1413 get_port_n_rx_queues(const uint16_t port)
1414 {
1415         int queue = -1;
1416         uint16_t i;
1417
1418         for (i = 0; i < nb_lcore_params; ++i) {
1419                 if (lcore_params[i].port_id == port &&
1420                                 lcore_params[i].queue_id > queue)
1421                         queue = lcore_params[i].queue_id;
1422         }
1423         return (uint8_t)(++queue);
1424 }
1425
1426 static int
1427 init_lcore_rx_queues(void)
1428 {
1429         uint16_t i, nb_rx_queue;
1430         uint8_t lcore;
1431
1432         for (i = 0; i < nb_lcore_params; ++i) {
1433                 lcore = lcore_params[i].lcore_id;
1434                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1435                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1436                         printf("error: too many queues (%u) for lcore: %u\n",
1437                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1438                         return -1;
1439                 } else {
1440                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1441                                 lcore_params[i].port_id;
1442                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1443                                 lcore_params[i].queue_id;
1444                         lcore_conf[lcore].n_rx_queue++;
1445                 }
1446         }
1447         return 0;
1448 }
1449
1450 /* display usage */
1451 static void
1452 print_usage(const char *prgname)
1453 {
1454         printf ("%s [EAL options] -- -p PORTMASK -P"
1455                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1456                 "  [--high-perf-cores CORELIST"
1457                 "  [--perf-config (port,queue,hi_perf,lcore_index)[,(port,queue,hi_perf,lcore_index]]"
1458                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1459                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1460                 "  -P : enable promiscuous mode\n"
1461                 "  --config (port,queue,lcore): rx queues configuration\n"
1462                 "  --high-perf-cores CORELIST: list of high performance cores\n"
1463                 "  --perf-config: similar as config, cores specified as indices"
1464                 " for bins containing high or regular performance cores\n"
1465                 "  --no-numa: optional, disable numa awareness\n"
1466                 "  --enable-jumbo: enable jumbo frame"
1467                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1468                 "  --parse-ptype: parse packet type by software\n"
1469                 "  --empty-poll: enable empty poll detection"
1470                 " follow (training_flag, high_threshold, med_threshold)\n"
1471                 " --telemetry: enable telemetry mode, to update"
1472                 " empty polls, full polls, and core busyness to telemetry\n",
1473                 prgname);
1474 }
1475
1476 static int parse_max_pkt_len(const char *pktlen)
1477 {
1478         char *end = NULL;
1479         unsigned long len;
1480
1481         /* parse decimal string */
1482         len = strtoul(pktlen, &end, 10);
1483         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1484                 return -1;
1485
1486         if (len == 0)
1487                 return -1;
1488
1489         return len;
1490 }
1491
1492 static int
1493 parse_portmask(const char *portmask)
1494 {
1495         char *end = NULL;
1496         unsigned long pm;
1497
1498         /* parse hexadecimal string */
1499         pm = strtoul(portmask, &end, 16);
1500         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1501                 return -1;
1502
1503         if (pm == 0)
1504                 return -1;
1505
1506         return pm;
1507 }
1508
1509 static int
1510 parse_config(const char *q_arg)
1511 {
1512         char s[256];
1513         const char *p, *p0 = q_arg;
1514         char *end;
1515         enum fieldnames {
1516                 FLD_PORT = 0,
1517                 FLD_QUEUE,
1518                 FLD_LCORE,
1519                 _NUM_FLD
1520         };
1521         unsigned long int_fld[_NUM_FLD];
1522         char *str_fld[_NUM_FLD];
1523         int i;
1524         unsigned size;
1525
1526         nb_lcore_params = 0;
1527
1528         while ((p = strchr(p0,'(')) != NULL) {
1529                 ++p;
1530                 if((p0 = strchr(p,')')) == NULL)
1531                         return -1;
1532
1533                 size = p0 - p;
1534                 if(size >= sizeof(s))
1535                         return -1;
1536
1537                 snprintf(s, sizeof(s), "%.*s", size, p);
1538                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1539                                                                 _NUM_FLD)
1540                         return -1;
1541                 for (i = 0; i < _NUM_FLD; i++){
1542                         errno = 0;
1543                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1544                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1545                                                                         255)
1546                                 return -1;
1547                 }
1548                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1549                         printf("exceeded max number of lcore params: %hu\n",
1550                                 nb_lcore_params);
1551                         return -1;
1552                 }
1553                 lcore_params_array[nb_lcore_params].port_id =
1554                                 (uint8_t)int_fld[FLD_PORT];
1555                 lcore_params_array[nb_lcore_params].queue_id =
1556                                 (uint8_t)int_fld[FLD_QUEUE];
1557                 lcore_params_array[nb_lcore_params].lcore_id =
1558                                 (uint8_t)int_fld[FLD_LCORE];
1559                 ++nb_lcore_params;
1560         }
1561         lcore_params = lcore_params_array;
1562
1563         return 0;
1564 }
1565 static int
1566 parse_ep_config(const char *q_arg)
1567 {
1568         char s[256];
1569         const char *p = q_arg;
1570         char *end;
1571         int  num_arg;
1572
1573         char *str_fld[3];
1574
1575         int training_flag;
1576         int med_edpi;
1577         int hgh_edpi;
1578
1579         ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
1580         ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
1581
1582         strlcpy(s, p, sizeof(s));
1583
1584         num_arg = rte_strsplit(s, sizeof(s), str_fld, 3, ',');
1585
1586         empty_poll_train = false;
1587
1588         if (num_arg == 0)
1589                 return 0;
1590
1591         if (num_arg == 3) {
1592
1593                 training_flag = strtoul(str_fld[0], &end, 0);
1594                 med_edpi = strtoul(str_fld[1], &end, 0);
1595                 hgh_edpi = strtoul(str_fld[2], &end, 0);
1596
1597                 if (training_flag == 1)
1598                         empty_poll_train = true;
1599
1600                 if (med_edpi > 0)
1601                         ep_med_edpi = med_edpi;
1602
1603                 if (med_edpi > 0)
1604                         ep_hgh_edpi = hgh_edpi;
1605
1606         } else {
1607
1608                 return -1;
1609         }
1610
1611         return 0;
1612
1613 }
1614 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1615 #define CMD_LINE_OPT_TELEMETRY "telemetry"
1616
1617 /* Parse the argument given in the command line of the application */
1618 static int
1619 parse_args(int argc, char **argv)
1620 {
1621         int opt, ret;
1622         char **argvopt;
1623         int option_index;
1624         uint32_t limit;
1625         char *prgname = argv[0];
1626         static struct option lgopts[] = {
1627                 {"config", 1, 0, 0},
1628                 {"perf-config", 1, 0, 0},
1629                 {"high-perf-cores", 1, 0, 0},
1630                 {"no-numa", 0, 0, 0},
1631                 {"enable-jumbo", 0, 0, 0},
1632                 {"empty-poll", 1, 0, 0},
1633                 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1634                 {CMD_LINE_OPT_TELEMETRY, 0, 0, 0},
1635                 {NULL, 0, 0, 0}
1636         };
1637
1638         argvopt = argv;
1639
1640         while ((opt = getopt_long(argc, argvopt, "p:l:m:h:P",
1641                                 lgopts, &option_index)) != EOF) {
1642
1643                 switch (opt) {
1644                 /* portmask */
1645                 case 'p':
1646                         enabled_port_mask = parse_portmask(optarg);
1647                         if (enabled_port_mask == 0) {
1648                                 printf("invalid portmask\n");
1649                                 print_usage(prgname);
1650                                 return -1;
1651                         }
1652                         break;
1653                 case 'P':
1654                         printf("Promiscuous mode selected\n");
1655                         promiscuous_on = 1;
1656                         break;
1657                 case 'l':
1658                         limit = parse_max_pkt_len(optarg);
1659                         freq_tlb[LOW] = limit;
1660                         break;
1661                 case 'm':
1662                         limit = parse_max_pkt_len(optarg);
1663                         freq_tlb[MED] = limit;
1664                         break;
1665                 case 'h':
1666                         limit = parse_max_pkt_len(optarg);
1667                         freq_tlb[HGH] = limit;
1668                         break;
1669                 /* long options */
1670                 case 0:
1671                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1672                                 ret = parse_config(optarg);
1673                                 if (ret) {
1674                                         printf("invalid config\n");
1675                                         print_usage(prgname);
1676                                         return -1;
1677                                 }
1678                         }
1679
1680                         if (!strncmp(lgopts[option_index].name,
1681                                         "perf-config", 11)) {
1682                                 ret = parse_perf_config(optarg);
1683                                 if (ret) {
1684                                         printf("invalid perf-config\n");
1685                                         print_usage(prgname);
1686                                         return -1;
1687                                 }
1688                         }
1689
1690                         if (!strncmp(lgopts[option_index].name,
1691                                         "high-perf-cores", 15)) {
1692                                 ret = parse_perf_core_list(optarg);
1693                                 if (ret) {
1694                                         printf("invalid high-perf-cores\n");
1695                                         print_usage(prgname);
1696                                         return -1;
1697                                 }
1698                         }
1699
1700                         if (!strncmp(lgopts[option_index].name,
1701                                                 "no-numa", 7)) {
1702                                 printf("numa is disabled \n");
1703                                 numa_on = 0;
1704                         }
1705
1706                         if (!strncmp(lgopts[option_index].name,
1707                                                 "empty-poll", 10)) {
1708                                 if (app_mode == APP_MODE_TELEMETRY) {
1709                                         printf(" empty-poll cannot be enabled as telemetry mode is enabled\n");
1710                                         return -1;
1711                                 }
1712                                 app_mode = APP_MODE_EMPTY_POLL;
1713                                 ret = parse_ep_config(optarg);
1714
1715                                 if (ret) {
1716                                         printf("invalid empty poll config\n");
1717                                         print_usage(prgname);
1718                                         return -1;
1719                                 }
1720                                 printf("empty-poll is enabled\n");
1721                         }
1722
1723                         if (!strncmp(lgopts[option_index].name,
1724                                         CMD_LINE_OPT_TELEMETRY,
1725                                         sizeof(CMD_LINE_OPT_TELEMETRY))) {
1726                                 if (app_mode == APP_MODE_EMPTY_POLL) {
1727                                         printf("telemetry mode cannot be enabled as empty poll mode is enabled\n");
1728                                         return -1;
1729                                 }
1730                                 app_mode = APP_MODE_TELEMETRY;
1731                                 printf("telemetry mode is enabled\n");
1732                         }
1733
1734                         if (!strncmp(lgopts[option_index].name,
1735                                         "enable-jumbo", 12)) {
1736                                 struct option lenopts =
1737                                         {"max-pkt-len", required_argument, \
1738                                                                         0, 0};
1739
1740                                 printf("jumbo frame is enabled \n");
1741                                 port_conf.rxmode.offloads |=
1742                                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
1743                                 port_conf.txmode.offloads |=
1744                                                 DEV_TX_OFFLOAD_MULTI_SEGS;
1745
1746                                 /**
1747                                  * if no max-pkt-len set, use the default value
1748                                  * RTE_ETHER_MAX_LEN
1749                                  */
1750                                 if (0 == getopt_long(argc, argvopt, "",
1751                                                 &lenopts, &option_index)) {
1752                                         ret = parse_max_pkt_len(optarg);
1753                                         if ((ret < 64) ||
1754                                                 (ret > MAX_JUMBO_PKT_LEN)){
1755                                                 printf("invalid packet "
1756                                                                 "length\n");
1757                                                 print_usage(prgname);
1758                                                 return -1;
1759                                         }
1760                                         port_conf.rxmode.max_rx_pkt_len = ret;
1761                                 }
1762                                 printf("set jumbo frame "
1763                                         "max packet length to %u\n",
1764                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1765                         }
1766
1767                         if (!strncmp(lgopts[option_index].name,
1768                                      CMD_LINE_OPT_PARSE_PTYPE,
1769                                      sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1770                                 printf("soft parse-ptype is enabled\n");
1771                                 parse_ptype = 1;
1772                         }
1773
1774                         break;
1775
1776                 default:
1777                         print_usage(prgname);
1778                         return -1;
1779                 }
1780         }
1781
1782         if (optind >= 0)
1783                 argv[optind-1] = prgname;
1784
1785         ret = optind-1;
1786         optind = 1; /* reset getopt lib */
1787         return ret;
1788 }
1789
1790 static void
1791 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1792 {
1793         char buf[RTE_ETHER_ADDR_FMT_SIZE];
1794         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1795         printf("%s%s", name, buf);
1796 }
1797
1798 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1799 static void
1800 setup_hash(int socketid)
1801 {
1802         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1803                 .name = NULL,
1804                 .entries = L3FWD_HASH_ENTRIES,
1805                 .key_len = sizeof(struct ipv4_5tuple),
1806                 .hash_func = DEFAULT_HASH_FUNC,
1807                 .hash_func_init_val = 0,
1808         };
1809
1810         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1811                 .name = NULL,
1812                 .entries = L3FWD_HASH_ENTRIES,
1813                 .key_len = sizeof(struct ipv6_5tuple),
1814                 .hash_func = DEFAULT_HASH_FUNC,
1815                 .hash_func_init_val = 0,
1816         };
1817
1818         unsigned i;
1819         int ret;
1820         char s[64];
1821
1822         /* create ipv4 hash */
1823         snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1824         ipv4_l3fwd_hash_params.name = s;
1825         ipv4_l3fwd_hash_params.socket_id = socketid;
1826         ipv4_l3fwd_lookup_struct[socketid] =
1827                 rte_hash_create(&ipv4_l3fwd_hash_params);
1828         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1829                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1830                                 "socket %d\n", socketid);
1831
1832         /* create ipv6 hash */
1833         snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1834         ipv6_l3fwd_hash_params.name = s;
1835         ipv6_l3fwd_hash_params.socket_id = socketid;
1836         ipv6_l3fwd_lookup_struct[socketid] =
1837                 rte_hash_create(&ipv6_l3fwd_hash_params);
1838         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1839                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1840                                 "socket %d\n", socketid);
1841
1842
1843         /* populate the ipv4 hash */
1844         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1845                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1846                                 (void *) &ipv4_l3fwd_route_array[i].key);
1847                 if (ret < 0) {
1848                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1849                                 "l3fwd hash on socket %d\n", i, socketid);
1850                 }
1851                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1852                 printf("Hash: Adding key\n");
1853                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1854         }
1855
1856         /* populate the ipv6 hash */
1857         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1858                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1859                                 (void *) &ipv6_l3fwd_route_array[i].key);
1860                 if (ret < 0) {
1861                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1862                                 "l3fwd hash on socket %d\n", i, socketid);
1863                 }
1864                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1865                 printf("Hash: Adding key\n");
1866                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1867         }
1868 }
1869 #endif
1870
1871 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1872 static void
1873 setup_lpm(int socketid)
1874 {
1875         unsigned i;
1876         int ret;
1877         char s[64];
1878
1879         /* create the LPM table */
1880         struct rte_lpm_config lpm_ipv4_config;
1881
1882         lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1883         lpm_ipv4_config.number_tbl8s = 256;
1884         lpm_ipv4_config.flags = 0;
1885
1886         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1887         ipv4_l3fwd_lookup_struct[socketid] =
1888                         rte_lpm_create(s, socketid, &lpm_ipv4_config);
1889         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1890                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1891                                 " on socket %d\n", socketid);
1892
1893         /* populate the LPM table */
1894         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1895                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1896                         ipv4_l3fwd_route_array[i].ip,
1897                         ipv4_l3fwd_route_array[i].depth,
1898                         ipv4_l3fwd_route_array[i].if_out);
1899
1900                 if (ret < 0) {
1901                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1902                                 "l3fwd LPM table on socket %d\n",
1903                                 i, socketid);
1904                 }
1905
1906                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1907                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1908                         ipv4_l3fwd_route_array[i].depth,
1909                         ipv4_l3fwd_route_array[i].if_out);
1910         }
1911 }
1912 #endif
1913
1914 static int
1915 init_mem(unsigned nb_mbuf)
1916 {
1917         struct lcore_conf *qconf;
1918         int socketid;
1919         unsigned lcore_id;
1920         char s[64];
1921
1922         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1923                 if (rte_lcore_is_enabled(lcore_id) == 0)
1924                         continue;
1925
1926                 if (numa_on)
1927                         socketid = rte_lcore_to_socket_id(lcore_id);
1928                 else
1929                         socketid = 0;
1930
1931                 if (socketid >= NB_SOCKETS) {
1932                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1933                                         "out of range %d\n", socketid,
1934                                                 lcore_id, NB_SOCKETS);
1935                 }
1936                 if (pktmbuf_pool[socketid] == NULL) {
1937                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1938                         pktmbuf_pool[socketid] =
1939                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1940                                         MEMPOOL_CACHE_SIZE, 0,
1941                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1942                                         socketid);
1943                         if (pktmbuf_pool[socketid] == NULL)
1944                                 rte_exit(EXIT_FAILURE,
1945                                         "Cannot init mbuf pool on socket %d\n",
1946                                                                 socketid);
1947                         else
1948                                 printf("Allocated mbuf pool on socket %d\n",
1949                                                                 socketid);
1950
1951 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1952                         setup_lpm(socketid);
1953 #else
1954                         setup_hash(socketid);
1955 #endif
1956                 }
1957                 qconf = &lcore_conf[lcore_id];
1958                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1959 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1960                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1961 #endif
1962         }
1963         return 0;
1964 }
1965
1966 /* Check the link status of all ports in up to 9s, and print them finally */
1967 static void
1968 check_all_ports_link_status(uint32_t port_mask)
1969 {
1970 #define CHECK_INTERVAL 100 /* 100ms */
1971 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1972         uint8_t count, all_ports_up, print_flag = 0;
1973         uint16_t portid;
1974         struct rte_eth_link link;
1975         int ret;
1976
1977         printf("\nChecking link status");
1978         fflush(stdout);
1979         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1980                 all_ports_up = 1;
1981                 RTE_ETH_FOREACH_DEV(portid) {
1982                         if ((port_mask & (1 << portid)) == 0)
1983                                 continue;
1984                         memset(&link, 0, sizeof(link));
1985                         ret = rte_eth_link_get_nowait(portid, &link);
1986                         if (ret < 0) {
1987                                 all_ports_up = 0;
1988                                 if (print_flag == 1)
1989                                         printf("Port %u link get failed: %s\n",
1990                                                 portid, rte_strerror(-ret));
1991                                 continue;
1992                         }
1993                         /* print link status if flag set */
1994                         if (print_flag == 1) {
1995                                 if (link.link_status)
1996                                         printf("Port %d Link Up - speed %u "
1997                                                 "Mbps - %s\n", (uint8_t)portid,
1998                                                 (unsigned)link.link_speed,
1999                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
2000                                         ("full-duplex") : ("half-duplex\n"));
2001                                 else
2002                                         printf("Port %d Link Down\n",
2003                                                 (uint8_t)portid);
2004                                 continue;
2005                         }
2006                         /* clear all_ports_up flag if any link down */
2007                         if (link.link_status == ETH_LINK_DOWN) {
2008                                 all_ports_up = 0;
2009                                 break;
2010                         }
2011                 }
2012                 /* after finally printing all link status, get out */
2013                 if (print_flag == 1)
2014                         break;
2015
2016                 if (all_ports_up == 0) {
2017                         printf(".");
2018                         fflush(stdout);
2019                         rte_delay_ms(CHECK_INTERVAL);
2020                 }
2021
2022                 /* set the print_flag if all ports up or timeout */
2023                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
2024                         print_flag = 1;
2025                         printf("done\n");
2026                 }
2027         }
2028 }
2029
2030 static int check_ptype(uint16_t portid)
2031 {
2032         int i, ret;
2033         int ptype_l3_ipv4 = 0;
2034 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2035         int ptype_l3_ipv6 = 0;
2036 #endif
2037         uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
2038
2039         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
2040         if (ret <= 0)
2041                 return 0;
2042
2043         uint32_t ptypes[ret];
2044
2045         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
2046         for (i = 0; i < ret; ++i) {
2047                 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
2048                         ptype_l3_ipv4 = 1;
2049 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2050                 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
2051                         ptype_l3_ipv6 = 1;
2052 #endif
2053         }
2054
2055         if (ptype_l3_ipv4 == 0)
2056                 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
2057
2058 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
2059         if (ptype_l3_ipv6 == 0)
2060                 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
2061 #endif
2062
2063 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
2064         if (ptype_l3_ipv4)
2065 #else /* APP_LOOKUP_EXACT_MATCH */
2066         if (ptype_l3_ipv4 && ptype_l3_ipv6)
2067 #endif
2068                 return 1;
2069
2070         return 0;
2071
2072 }
2073
2074 static int
2075 init_power_library(void)
2076 {
2077         int ret = 0, lcore_id;
2078         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2079                 if (rte_lcore_is_enabled(lcore_id)) {
2080                         /* init power management library */
2081                         ret = rte_power_init(lcore_id);
2082                         if (ret)
2083                                 RTE_LOG(ERR, POWER,
2084                                 "Library initialization failed on core %u\n",
2085                                 lcore_id);
2086                 }
2087         }
2088         return ret;
2089 }
2090 static void
2091 update_telemetry(__attribute__((unused)) struct rte_timer *tim,
2092                 __attribute__((unused)) void *arg)
2093 {
2094         unsigned int lcore_id = rte_lcore_id();
2095         struct lcore_conf *qconf;
2096         uint64_t app_eps = 0, app_fps = 0, app_br = 0;
2097         uint64_t values[3] = {0};
2098         int ret;
2099         uint64_t count = 0;
2100
2101         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2102                 qconf = &lcore_conf[lcore_id];
2103                 if (qconf->n_rx_queue == 0)
2104                         continue;
2105                 count++;
2106                 rte_spinlock_lock(&stats[lcore_id].telemetry_lock);
2107                 app_eps += stats[lcore_id].ep_nep[1];
2108                 app_fps += stats[lcore_id].fp_nfp[1];
2109                 app_br += stats[lcore_id].br;
2110                 rte_spinlock_unlock(&stats[lcore_id].telemetry_lock);
2111         }
2112
2113         if (count > 0) {
2114                 values[0] = app_eps/count;
2115                 values[1] = app_fps/count;
2116                 values[2] = app_br/count;
2117         } else {
2118                 values[0] = 0;
2119                 values[1] = 0;
2120                 values[2] = 0;
2121         }
2122
2123         ret = rte_metrics_update_values(RTE_METRICS_GLOBAL, telstats_index,
2124                                         values, RTE_DIM(values));
2125         if (ret < 0)
2126                 RTE_LOG(WARNING, POWER, "failed to update metrcis\n");
2127 }
2128 static void
2129 telemetry_setup_timer(void)
2130 {
2131         int lcore_id = rte_lcore_id();
2132         uint64_t hz = rte_get_timer_hz();
2133         uint64_t ticks;
2134
2135         ticks = hz / TELEMETRY_INTERVALS_PER_SEC;
2136         rte_timer_reset_sync(&telemetry_timer,
2137                         ticks,
2138                         PERIODICAL,
2139                         lcore_id,
2140                         update_telemetry,
2141                         NULL);
2142 }
2143 static void
2144 empty_poll_setup_timer(void)
2145 {
2146         int lcore_id = rte_lcore_id();
2147         uint64_t hz = rte_get_timer_hz();
2148
2149         struct  ep_params *ep_ptr = ep_params;
2150
2151         ep_ptr->interval_ticks = hz / INTERVALS_PER_SECOND;
2152
2153         rte_timer_reset_sync(&ep_ptr->timer0,
2154                         ep_ptr->interval_ticks,
2155                         PERIODICAL,
2156                         lcore_id,
2157                         rte_empty_poll_detection,
2158                         (void *)ep_ptr);
2159
2160 }
2161 static int
2162 launch_timer(unsigned int lcore_id)
2163 {
2164         int64_t prev_tsc = 0, cur_tsc, diff_tsc, cycles_10ms;
2165
2166         RTE_SET_USED(lcore_id);
2167
2168
2169         if (rte_get_master_lcore() != lcore_id) {
2170                 rte_panic("timer on lcore:%d which is not master core:%d\n",
2171                                 lcore_id,
2172                                 rte_get_master_lcore());
2173         }
2174
2175         RTE_LOG(INFO, POWER, "Bring up the Timer\n");
2176
2177         if (app_mode == APP_MODE_EMPTY_POLL)
2178                 empty_poll_setup_timer();
2179         else
2180                 telemetry_setup_timer();
2181
2182         cycles_10ms = rte_get_timer_hz() / 100;
2183
2184         while (!is_done()) {
2185                 cur_tsc = rte_rdtsc();
2186                 diff_tsc = cur_tsc - prev_tsc;
2187                 if (diff_tsc > cycles_10ms) {
2188                         rte_timer_manage();
2189                         prev_tsc = cur_tsc;
2190                         cycles_10ms = rte_get_timer_hz() / 100;
2191                 }
2192         }
2193
2194         RTE_LOG(INFO, POWER, "Timer_subsystem is done\n");
2195
2196         return 0;
2197 }
2198
2199
2200 int
2201 main(int argc, char **argv)
2202 {
2203         struct lcore_conf *qconf;
2204         struct rte_eth_dev_info dev_info;
2205         struct rte_eth_txconf *txconf;
2206         int ret;
2207         uint16_t nb_ports;
2208         uint16_t queueid;
2209         unsigned lcore_id;
2210         uint64_t hz;
2211         uint32_t n_tx_queue, nb_lcores;
2212         uint32_t dev_rxq_num, dev_txq_num;
2213         uint8_t nb_rx_queue, queue, socketid;
2214         uint16_t portid;
2215         uint8_t num_telstats = RTE_DIM(telstats_strings);
2216         const char *ptr_strings[num_telstats];
2217
2218         /* catch SIGINT and restore cpufreq governor to ondemand */
2219         signal(SIGINT, signal_exit_now);
2220
2221         /* init EAL */
2222         ret = rte_eal_init(argc, argv);
2223         if (ret < 0)
2224                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2225         argc -= ret;
2226         argv += ret;
2227
2228         /* init RTE timer library to be used late */
2229         rte_timer_subsystem_init();
2230
2231         /* parse application arguments (after the EAL ones) */
2232         ret = parse_args(argc, argv);
2233         if (ret < 0)
2234                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
2235
2236         if (init_power_library())
2237                 RTE_LOG(ERR, L3FWD_POWER, "init_power_library failed\n");
2238
2239         if (update_lcore_params() < 0)
2240                 rte_exit(EXIT_FAILURE, "update_lcore_params failed\n");
2241
2242         if (check_lcore_params() < 0)
2243                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
2244
2245         ret = init_lcore_rx_queues();
2246         if (ret < 0)
2247                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2248
2249         nb_ports = rte_eth_dev_count_avail();
2250
2251         if (check_port_config() < 0)
2252                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
2253
2254         nb_lcores = rte_lcore_count();
2255
2256         /* initialize all ports */
2257         RTE_ETH_FOREACH_DEV(portid) {
2258                 struct rte_eth_conf local_port_conf = port_conf;
2259
2260                 /* skip ports that are not enabled */
2261                 if ((enabled_port_mask & (1 << portid)) == 0) {
2262                         printf("\nSkipping disabled port %d\n", portid);
2263                         continue;
2264                 }
2265
2266                 /* init port */
2267                 printf("Initializing port %d ... ", portid );
2268                 fflush(stdout);
2269
2270                 ret = rte_eth_dev_info_get(portid, &dev_info);
2271                 if (ret != 0)
2272                         rte_exit(EXIT_FAILURE,
2273                                 "Error during getting device (port %u) info: %s\n",
2274                                 portid, strerror(-ret));
2275
2276                 dev_rxq_num = dev_info.max_rx_queues;
2277                 dev_txq_num = dev_info.max_tx_queues;
2278
2279                 nb_rx_queue = get_port_n_rx_queues(portid);
2280                 if (nb_rx_queue > dev_rxq_num)
2281                         rte_exit(EXIT_FAILURE,
2282                                 "Cannot configure not existed rxq: "
2283                                 "port=%d\n", portid);
2284
2285                 n_tx_queue = nb_lcores;
2286                 if (n_tx_queue > dev_txq_num)
2287                         n_tx_queue = dev_txq_num;
2288                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
2289                         nb_rx_queue, (unsigned)n_tx_queue );
2290                 /* If number of Rx queue is 0, no need to enable Rx interrupt */
2291                 if (nb_rx_queue == 0)
2292                         local_port_conf.intr_conf.rxq = 0;
2293
2294                 ret = rte_eth_dev_info_get(portid, &dev_info);
2295                 if (ret != 0)
2296                         rte_exit(EXIT_FAILURE,
2297                                 "Error during getting device (port %u) info: %s\n",
2298                                 portid, strerror(-ret));
2299
2300                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2301                         local_port_conf.txmode.offloads |=
2302                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2303
2304                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
2305                         dev_info.flow_type_rss_offloads;
2306                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
2307                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
2308                         printf("Port %u modified RSS hash function based on hardware support,"
2309                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
2310                                 portid,
2311                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
2312                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
2313                 }
2314
2315                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
2316                                         (uint16_t)n_tx_queue, &local_port_conf);
2317                 if (ret < 0)
2318                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
2319                                         "err=%d, port=%d\n", ret, portid);
2320
2321                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2322                                                        &nb_txd);
2323                 if (ret < 0)
2324                         rte_exit(EXIT_FAILURE,
2325                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
2326                                  ret, portid);
2327
2328                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
2329                 if (ret < 0)
2330                         rte_exit(EXIT_FAILURE,
2331                                  "Cannot get MAC address: err=%d, port=%d\n",
2332                                  ret, portid);
2333
2334                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
2335                 printf(", ");
2336
2337                 /* init memory */
2338                 ret = init_mem(NB_MBUF);
2339                 if (ret < 0)
2340                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
2341
2342                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2343                         if (rte_lcore_is_enabled(lcore_id) == 0)
2344                                 continue;
2345
2346                         /* Initialize TX buffers */
2347                         qconf = &lcore_conf[lcore_id];
2348                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
2349                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
2350                                 rte_eth_dev_socket_id(portid));
2351                         if (qconf->tx_buffer[portid] == NULL)
2352                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
2353                                                  portid);
2354
2355                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
2356                 }
2357
2358                 /* init one TX queue per couple (lcore,port) */
2359                 queueid = 0;
2360                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2361                         if (rte_lcore_is_enabled(lcore_id) == 0)
2362                                 continue;
2363
2364                         if (queueid >= dev_txq_num)
2365                                 continue;
2366
2367                         if (numa_on)
2368                                 socketid = \
2369                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
2370                         else
2371                                 socketid = 0;
2372
2373                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2374                         fflush(stdout);
2375
2376                         txconf = &dev_info.default_txconf;
2377                         txconf->offloads = local_port_conf.txmode.offloads;
2378                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2379                                                      socketid, txconf);
2380                         if (ret < 0)
2381                                 rte_exit(EXIT_FAILURE,
2382                                         "rte_eth_tx_queue_setup: err=%d, "
2383                                                 "port=%d\n", ret, portid);
2384
2385                         qconf = &lcore_conf[lcore_id];
2386                         qconf->tx_queue_id[portid] = queueid;
2387                         queueid++;
2388
2389                         qconf->tx_port_id[qconf->n_tx_port] = portid;
2390                         qconf->n_tx_port++;
2391                 }
2392                 printf("\n");
2393         }
2394
2395         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2396                 if (rte_lcore_is_enabled(lcore_id) == 0)
2397                         continue;
2398
2399                 if (app_mode == APP_MODE_LEGACY) {
2400                         /* init timer structures for each enabled lcore */
2401                         rte_timer_init(&power_timers[lcore_id]);
2402                         hz = rte_get_timer_hz();
2403                         rte_timer_reset(&power_timers[lcore_id],
2404                                         hz/TIMER_NUMBER_PER_SECOND,
2405                                         SINGLE, lcore_id,
2406                                         power_timer_cb, NULL);
2407                 }
2408                 qconf = &lcore_conf[lcore_id];
2409                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
2410                 fflush(stdout);
2411                 /* init RX queues */
2412                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
2413                         struct rte_eth_rxconf rxq_conf;
2414
2415                         portid = qconf->rx_queue_list[queue].port_id;
2416                         queueid = qconf->rx_queue_list[queue].queue_id;
2417
2418                         if (numa_on)
2419                                 socketid = \
2420                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
2421                         else
2422                                 socketid = 0;
2423
2424                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2425                         fflush(stdout);
2426
2427                         ret = rte_eth_dev_info_get(portid, &dev_info);
2428                         if (ret != 0)
2429                                 rte_exit(EXIT_FAILURE,
2430                                         "Error during getting device (port %u) info: %s\n",
2431                                         portid, strerror(-ret));
2432
2433                         rxq_conf = dev_info.default_rxconf;
2434                         rxq_conf.offloads = port_conf.rxmode.offloads;
2435                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2436                                 socketid, &rxq_conf,
2437                                 pktmbuf_pool[socketid]);
2438                         if (ret < 0)
2439                                 rte_exit(EXIT_FAILURE,
2440                                         "rte_eth_rx_queue_setup: err=%d, "
2441                                                 "port=%d\n", ret, portid);
2442
2443                         if (parse_ptype) {
2444                                 if (add_cb_parse_ptype(portid, queueid) < 0)
2445                                         rte_exit(EXIT_FAILURE,
2446                                                  "Fail to add ptype cb\n");
2447                         } else if (!check_ptype(portid))
2448                                 rte_exit(EXIT_FAILURE,
2449                                          "PMD can not provide needed ptypes\n");
2450                 }
2451         }
2452
2453         printf("\n");
2454
2455         /* start ports */
2456         RTE_ETH_FOREACH_DEV(portid) {
2457                 if ((enabled_port_mask & (1 << portid)) == 0) {
2458                         continue;
2459                 }
2460                 /* Start device */
2461                 ret = rte_eth_dev_start(portid);
2462                 if (ret < 0)
2463                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
2464                                                 "port=%d\n", ret, portid);
2465                 /*
2466                  * If enabled, put device in promiscuous mode.
2467                  * This allows IO forwarding mode to forward packets
2468                  * to itself through 2 cross-connected  ports of the
2469                  * target machine.
2470                  */
2471                 if (promiscuous_on) {
2472                         ret = rte_eth_promiscuous_enable(portid);
2473                         if (ret != 0)
2474                                 rte_exit(EXIT_FAILURE,
2475                                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
2476                                         rte_strerror(-ret), portid);
2477                 }
2478                 /* initialize spinlock for each port */
2479                 rte_spinlock_init(&(locks[portid]));
2480         }
2481
2482         check_all_ports_link_status(enabled_port_mask);
2483
2484         if (app_mode == APP_MODE_EMPTY_POLL) {
2485
2486                 if (empty_poll_train) {
2487                         policy.state = TRAINING;
2488                 } else {
2489                         policy.state = MED_NORMAL;
2490                         policy.med_base_edpi = ep_med_edpi;
2491                         policy.hgh_base_edpi = ep_hgh_edpi;
2492                 }
2493
2494                 ret = rte_power_empty_poll_stat_init(&ep_params,
2495                                 freq_tlb,
2496                                 &policy);
2497                 if (ret < 0)
2498                         rte_exit(EXIT_FAILURE, "empty poll init failed");
2499         }
2500
2501
2502         /* launch per-lcore init on every lcore */
2503         if (app_mode == APP_MODE_LEGACY) {
2504                 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2505         } else if (app_mode == APP_MODE_EMPTY_POLL) {
2506                 empty_poll_stop = false;
2507                 rte_eal_mp_remote_launch(main_empty_poll_loop, NULL,
2508                                 SKIP_MASTER);
2509         } else {
2510                 unsigned int i;
2511
2512                 /* Init metrics library */
2513                 rte_metrics_init(rte_socket_id());
2514                 /** Register stats with metrics library */
2515                 for (i = 0; i < num_telstats; i++)
2516                         ptr_strings[i] = telstats_strings[i].name;
2517
2518                 ret = rte_metrics_reg_names(ptr_strings, num_telstats);
2519                 if (ret >= 0)
2520                         telstats_index = ret;
2521                 else
2522                         rte_exit(EXIT_FAILURE, "failed to register metrics names");
2523
2524                 RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2525                         rte_spinlock_init(&stats[lcore_id].telemetry_lock);
2526                 }
2527                 rte_timer_init(&telemetry_timer);
2528                 rte_eal_mp_remote_launch(main_telemetry_loop, NULL,
2529                                                 SKIP_MASTER);
2530         }
2531
2532         if (app_mode == APP_MODE_EMPTY_POLL || app_mode == APP_MODE_TELEMETRY)
2533                 launch_timer(rte_lcore_id());
2534
2535         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2536                 if (rte_eal_wait_lcore(lcore_id) < 0)
2537                         return -1;
2538         }
2539
2540         if (app_mode == APP_MODE_EMPTY_POLL)
2541                 rte_power_empty_poll_stat_free();
2542
2543         return 0;
2544 }