examples/l3fwd-power/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44 #include <unistd.h>
  45 #include <signal.h>
  46
  47 #include <rte_common.h>
  48 #include <rte_byteorder.h>
  49 #include <rte_log.h>
  50 #include <rte_malloc.h>
  51 #include <rte_memory.h>
  52 #include <rte_memcpy.h>
  53 #include <rte_eal.h>
  54 #include <rte_launch.h>
  55 #include <rte_atomic.h>
  56 #include <rte_cycles.h>
  57 #include <rte_prefetch.h>
  58 #include <rte_lcore.h>
  59 #include <rte_per_lcore.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_interrupts.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_mempool.h>
  67 #include <rte_mbuf.h>
  68 #include <rte_ip.h>
  69 #include <rte_tcp.h>
  70 #include <rte_udp.h>
  71 #include <rte_string_fns.h>
  72 #include <rte_timer.h>
  73 #include <rte_power.h>
  74 #include <rte_spinlock.h>
  75
  76 #define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
  77
  78 #define MAX_PKT_BURST 32
  79
  80 #define MIN_ZERO_POLL_COUNT 10
  81
  82 /* 100 ms interval */
  83 #define TIMER_NUMBER_PER_SECOND           10
  84 /* 100000 us */
  85 #define SCALING_PERIOD                    (1000000/TIMER_NUMBER_PER_SECOND)
  86 #define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
  87
  88 #define APP_LOOKUP_EXACT_MATCH          0
  89 #define APP_LOOKUP_LPM                  1
  90 #define DO_RFC_1812_CHECKS
  91
  92 #ifndef APP_LOOKUP_METHOD
  93 #define APP_LOOKUP_METHOD             APP_LOOKUP_LPM
  94 #endif
  95
  96 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
  97 #include <rte_hash.h>
  98 #elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
  99 #include <rte_lpm.h>
 100 #else
 101 #error "APP_LOOKUP_METHOD set to incorrect value"
 102 #endif
 103
 104 #ifndef IPv6_BYTES
 105 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
 106                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
 107 #define IPv6_BYTES(addr) \
 108         addr[0],  addr[1], addr[2],  addr[3], \
 109         addr[4],  addr[5], addr[6],  addr[7], \
 110         addr[8],  addr[9], addr[10], addr[11],\
 111         addr[12], addr[13],addr[14], addr[15]
 112 #endif
 113
 114 #define MAX_JUMBO_PKT_LEN  9600
 115
 116 #define IPV6_ADDR_LEN 16
 117
 118 #define MEMPOOL_CACHE_SIZE 256
 119
 120 /*
 121  * This expression is used to calculate the number of mbufs needed depending on
 122  * user input, taking into account memory for rx and tx hardware rings, cache
 123  * per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
 124  * NB_MBUF never goes below a minimum value of 8192.
 125  */
 126
 127 #define NB_MBUF RTE_MAX ( \
 128         (nb_ports*nb_rx_queue*nb_rxd + \
 129         nb_ports*nb_lcores*MAX_PKT_BURST + \
 130         nb_ports*n_tx_queue*nb_txd + \
 131         nb_lcores*MEMPOOL_CACHE_SIZE), \
 132         (unsigned)8192)
 133
 134 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 135
 136 #define NB_SOCKETS 8
 137
 138 /* Configure how many packets ahead to prefetch, when reading packets */
 139 #define PREFETCH_OFFSET 3
 140
 141 /*
 142  * Configurable number of RX/TX ring descriptors
 143  */
 144 #define RTE_TEST_RX_DESC_DEFAULT 512
 145 #define RTE_TEST_TX_DESC_DEFAULT 512
 146 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 147 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 148
 149 /* ethernet addresses of ports */
 150 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 151
 152 /* ethernet addresses of ports */
 153 static rte_spinlock_t locks[RTE_MAX_ETHPORTS];
 154
 155 /* mask of enabled ports */
 156 static uint32_t enabled_port_mask = 0;
 157 /* Ports set in promiscuous mode off by default. */
 158 static int promiscuous_on = 0;
 159 /* NUMA is enabled by default. */
 160 static int numa_on = 1;
 161 static int parse_ptype; /**< Parse packet type using rx callback, and */
 162                         /**< disabled by default */
 163
 164 enum freq_scale_hint_t
 165 {
 166         FREQ_LOWER    =      -1,
 167         FREQ_CURRENT  =       0,
 168         FREQ_HIGHER   =       1,
 169         FREQ_HIGHEST  =       2
 170 };
 171
 172 struct lcore_rx_queue {
 173         uint16_t port_id;
 174         uint8_t queue_id;
 175         enum freq_scale_hint_t freq_up_hint;
 176         uint32_t zero_rx_packet_count;
 177         uint32_t idle_hint;
 178 } __rte_cache_aligned;
 179
 180 #define MAX_RX_QUEUE_PER_LCORE 16
 181 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 182 #define MAX_RX_QUEUE_PER_PORT 128
 183
 184 #define MAX_RX_QUEUE_INTERRUPT_PER_PORT 16
 185
 186
 187 #define MAX_LCORE_PARAMS 1024
 188 struct lcore_params {
 189         uint16_t port_id;
 190         uint8_t queue_id;
 191         uint8_t lcore_id;
 192 } __rte_cache_aligned;
 193
 194 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 195 static struct lcore_params lcore_params_array_default[] = {
 196         {0, 0, 2},
 197         {0, 1, 2},
 198         {0, 2, 2},
 199         {1, 0, 2},
 200         {1, 1, 2},
 201         {1, 2, 2},
 202         {2, 0, 2},
 203         {3, 0, 3},
 204         {3, 1, 3},
 205 };
 206
 207 static struct lcore_params * lcore_params = lcore_params_array_default;
 208 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 209                                 sizeof(lcore_params_array_default[0]);
 210
 211 static struct rte_eth_conf port_conf = {
 212         .rxmode = {
 213                 .mq_mode        = ETH_MQ_RX_RSS,
 214                 .max_rx_pkt_len = ETHER_MAX_LEN,
 215                 .split_hdr_size = 0,
 216                 .header_split   = 0, /**< Header Split disabled */
 217                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 218                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 219                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 220                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 221         },
 222         .rx_adv_conf = {
 223                 .rss_conf = {
 224                         .rss_key = NULL,
 225                         .rss_hf = ETH_RSS_UDP,
 226                 },
 227         },
 228         .txmode = {
 229                 .mq_mode = ETH_MQ_TX_NONE,
 230         },
 231         .intr_conf = {
 232                 .lsc = 1,
 233                 .rxq = 1,
 234         },
 235 };
 236
 237 static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
 238
 239
 240 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 241
 242 #ifdef RTE_ARCH_X86
 243 #include <rte_hash_crc.h>
 244 #define DEFAULT_HASH_FUNC       rte_hash_crc
 245 #else
 246 #include <rte_jhash.h>
 247 #define DEFAULT_HASH_FUNC       rte_jhash
 248 #endif
 249
 250 struct ipv4_5tuple {
 251         uint32_t ip_dst;
 252         uint32_t ip_src;
 253         uint16_t port_dst;
 254         uint16_t port_src;
 255         uint8_t  proto;
 256 } __attribute__((__packed__));
 257
 258 struct ipv6_5tuple {
 259         uint8_t  ip_dst[IPV6_ADDR_LEN];
 260         uint8_t  ip_src[IPV6_ADDR_LEN];
 261         uint16_t port_dst;
 262         uint16_t port_src;
 263         uint8_t  proto;
 264 } __attribute__((__packed__));
 265
 266 struct ipv4_l3fwd_route {
 267         struct ipv4_5tuple key;
 268         uint8_t if_out;
 269 };
 270
 271 struct ipv6_l3fwd_route {
 272         struct ipv6_5tuple key;
 273         uint8_t if_out;
 274 };
 275
 276 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 277         {{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
 278         {{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
 279         {{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
 280         {{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
 281 };
 282
 283 static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
 284         {
 285                 {
 286                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 287                          0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
 288                         {0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 289                          0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
 290                          1, 10, IPPROTO_UDP
 291                 }, 4
 292         },
 293 };
 294
 295 typedef struct rte_hash lookup_struct_t;
 296 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 297 static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
 298
 299 #define L3FWD_HASH_ENTRIES      1024
 300
 301 #define IPV4_L3FWD_NUM_ROUTES \
 302         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 303
 304 #define IPV6_L3FWD_NUM_ROUTES \
 305         (sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
 306
 307 static uint16_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 308 static uint16_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
 309 #endif
 310
 311 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 312 struct ipv4_l3fwd_route {
 313         uint32_t ip;
 314         uint8_t  depth;
 315         uint8_t  if_out;
 316 };
 317
 318 static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
 319         {IPv4(1,1,1,0), 24, 0},
 320         {IPv4(2,1,1,0), 24, 1},
 321         {IPv4(3,1,1,0), 24, 2},
 322         {IPv4(4,1,1,0), 24, 3},
 323         {IPv4(5,1,1,0), 24, 4},
 324         {IPv4(6,1,1,0), 24, 5},
 325         {IPv4(7,1,1,0), 24, 6},
 326         {IPv4(8,1,1,0), 24, 7},
 327 };
 328
 329 #define IPV4_L3FWD_NUM_ROUTES \
 330         (sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
 331
 332 #define IPV4_L3FWD_LPM_MAX_RULES     1024
 333
 334 typedef struct rte_lpm lookup_struct_t;
 335 static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
 336 #endif
 337
 338 struct lcore_conf {
 339         uint16_t n_rx_queue;
 340         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 341         uint16_t n_tx_port;
 342         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
 343         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 344         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
 345         lookup_struct_t * ipv4_lookup_struct;
 346         lookup_struct_t * ipv6_lookup_struct;
 347 } __rte_cache_aligned;
 348
 349 struct lcore_stats {
 350         /* total sleep time in ms since last frequency scaling down */
 351         uint32_t sleep_time;
 352         /* number of long sleep recently */
 353         uint32_t nb_long_sleep;
 354         /* freq. scaling up trend */
 355         uint32_t trend;
 356         /* total packet processed recently */
 357         uint64_t nb_rx_processed;
 358         /* total iterations looped recently */
 359         uint64_t nb_iteration_looped;
 360         uint32_t padding[9];
 361 } __rte_cache_aligned;
 362
 363 static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
 364 static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
 365 static struct rte_timer power_timers[RTE_MAX_LCORE];
 366
 367 static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
 368 static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
 369                 unsigned int lcore_id, uint16_t port_id, uint16_t queue_id);
 370
 371 /* exit signal handler */
 372 static void
 373 signal_exit_now(int sigtype)
 374 {
 375         unsigned lcore_id;
 376         unsigned int portid, nb_ports;
 377         int ret;
 378
 379         if (sigtype == SIGINT) {
 380                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 381                         if (rte_lcore_is_enabled(lcore_id) == 0)
 382                                 continue;
 383
 384                         /* init power management library */
 385                         ret = rte_power_exit(lcore_id);
 386                         if (ret)
 387                                 rte_exit(EXIT_FAILURE, "Power management "
 388                                         "library de-initialization failed on "
 389                                                         "core%u\n", lcore_id);
 390                 }
 391
 392                 nb_ports = rte_eth_dev_count();
 393                 for (portid = 0; portid < nb_ports; portid++) {
 394                         if ((enabled_port_mask & (1 << portid)) == 0)
 395                                 continue;
 396
 397                         rte_eth_dev_stop(portid);
 398                         rte_eth_dev_close(portid);
 399                 }
 400         }
 401
 402         rte_exit(EXIT_SUCCESS, "User forced exit\n");
 403 }
 404
 405 /*  Freqency scale down timer callback */
 406 static void
 407 power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 408                           __attribute__((unused)) void *arg)
 409 {
 410         uint64_t hz;
 411         float sleep_time_ratio;
 412         unsigned lcore_id = rte_lcore_id();
 413
 414         /* accumulate total execution time in us when callback is invoked */
 415         sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
 416                                         (float)SCALING_PERIOD;
 417         /**
 418          * check whether need to scale down frequency a step if it sleep a lot.
 419          */
 420         if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD) {
 421                 if (rte_power_freq_down)
 422                         rte_power_freq_down(lcore_id);
 423         }
 424         else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
 425                 stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST) {
 426                 /**
 427                  * scale down a step if average packet per iteration less
 428                  * than expectation.
 429                  */
 430                 if (rte_power_freq_down)
 431                         rte_power_freq_down(lcore_id);
 432         }
 433
 434         /**
 435          * initialize another timer according to current frequency to ensure
 436          * timer interval is relatively fixed.
 437          */
 438         hz = rte_get_timer_hz();
 439         rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
 440                                 SINGLE, lcore_id, power_timer_cb, NULL);
 441
 442         stats[lcore_id].nb_rx_processed = 0;
 443         stats[lcore_id].nb_iteration_looped = 0;
 444
 445         stats[lcore_id].sleep_time = 0;
 446 }
 447
 448 /* Enqueue a single packet, and send burst if queue is filled */
 449 static inline int
 450 send_single_packet(struct rte_mbuf *m, uint16_t port)
 451 {
 452         uint32_t lcore_id;
 453         struct lcore_conf *qconf;
 454
 455         lcore_id = rte_lcore_id();
 456         qconf = &lcore_conf[lcore_id];
 457
 458         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
 459                         qconf->tx_buffer[port], m);
 460
 461         return 0;
 462 }
 463
 464 #ifdef DO_RFC_1812_CHECKS
 465 static inline int
 466 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
 467 {
 468         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
 469         /*
 470          * 1. The packet length reported by the Link Layer must be large
 471          * enough to hold the minimum length legal IP datagram (20 bytes).
 472          */
 473         if (link_len < sizeof(struct ipv4_hdr))
 474                 return -1;
 475
 476         /* 2. The IP checksum must be correct. */
 477         /* this is checked in H/W */
 478
 479         /*
 480          * 3. The IP version number must be 4. If the version number is not 4
 481          * then the packet may be another version of IP, such as IPng or
 482          * ST-II.
 483          */
 484         if (((pkt->version_ihl) >> 4) != 4)
 485                 return -3;
 486         /*
 487          * 4. The IP header length field must be large enough to hold the
 488          * minimum length legal IP datagram (20 bytes = 5 words).
 489          */
 490         if ((pkt->version_ihl & 0xf) < 5)
 491                 return -4;
 492
 493         /*
 494          * 5. The IP total length field must be large enough to hold the IP
 495          * datagram header, whose length is specified in the IP header length
 496          * field.
 497          */
 498         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
 499                 return -5;
 500
 501         return 0;
 502 }
 503 #endif
 504
 505 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 506 static void
 507 print_ipv4_key(struct ipv4_5tuple key)
 508 {
 509         printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
 510                 "proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
 511                                 key.port_dst, key.port_src, key.proto);
 512 }
 513 static void
 514 print_ipv6_key(struct ipv6_5tuple key)
 515 {
 516         printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
 517                 "port dst = %d, port src = %d, proto = %d\n",
 518                 IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
 519                 key.port_dst, key.port_src, key.proto);
 520 }
 521
 522 static inline uint16_t
 523 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 524                 lookup_struct_t * ipv4_l3fwd_lookup_struct)
 525 {
 526         struct ipv4_5tuple key;
 527         struct tcp_hdr *tcp;
 528         struct udp_hdr *udp;
 529         int ret = 0;
 530
 531         key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
 532         key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
 533         key.proto = ipv4_hdr->next_proto_id;
 534
 535         switch (ipv4_hdr->next_proto_id) {
 536         case IPPROTO_TCP:
 537                 tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
 538                                         sizeof(struct ipv4_hdr));
 539                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 540                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 541                 break;
 542
 543         case IPPROTO_UDP:
 544                 udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
 545                                         sizeof(struct ipv4_hdr));
 546                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 547                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 548                 break;
 549
 550         default:
 551                 key.port_dst = 0;
 552                 key.port_src = 0;
 553                 break;
 554         }
 555
 556         /* Find destination port */
 557         ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
 558         return ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
 559 }
 560
 561 static inline uint16_t
 562 get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint16_t portid,
 563                         lookup_struct_t *ipv6_l3fwd_lookup_struct)
 564 {
 565         struct ipv6_5tuple key;
 566         struct tcp_hdr *tcp;
 567         struct udp_hdr *udp;
 568         int ret = 0;
 569
 570         memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
 571         memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
 572
 573         key.proto = ipv6_hdr->proto;
 574
 575         switch (ipv6_hdr->proto) {
 576         case IPPROTO_TCP:
 577                 tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
 578                                         sizeof(struct ipv6_hdr));
 579                 key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
 580                 key.port_src = rte_be_to_cpu_16(tcp->src_port);
 581                 break;
 582
 583         case IPPROTO_UDP:
 584                 udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
 585                                         sizeof(struct ipv6_hdr));
 586                 key.port_dst = rte_be_to_cpu_16(udp->dst_port);
 587                 key.port_src = rte_be_to_cpu_16(udp->src_port);
 588                 break;
 589
 590         default:
 591                 key.port_dst = 0;
 592                 key.port_src = 0;
 593                 break;
 594         }
 595
 596         /* Find destination port */
 597         ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
 598         return ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
 599 }
 600 #endif
 601
 602 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
 603 static inline uint16_t
 604 get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint16_t portid,
 605                 lookup_struct_t *ipv4_l3fwd_lookup_struct)
 606 {
 607         uint32_t next_hop;
 608
 609         return ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
 610                         rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
 611                         next_hop : portid);
 612 }
 613 #endif
 614
 615 static inline void
 616 parse_ptype_one(struct rte_mbuf *m)
 617 {
 618         struct ether_hdr *eth_hdr;
 619         uint32_t packet_type = RTE_PTYPE_UNKNOWN;
 620         uint16_t ether_type;
 621
 622         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 623         ether_type = eth_hdr->ether_type;
 624         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 625                 packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
 626         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
 627                 packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
 628
 629         m->packet_type = packet_type;
 630 }
 631
 632 static uint16_t
 633 cb_parse_ptype(uint16_t port __rte_unused, uint16_t queue __rte_unused,
 634                struct rte_mbuf *pkts[], uint16_t nb_pkts,
 635                uint16_t max_pkts __rte_unused,
 636                void *user_param __rte_unused)
 637 {
 638         unsigned int i;
 639
 640         for (i = 0; i < nb_pkts; ++i)
 641                 parse_ptype_one(pkts[i]);
 642
 643         return nb_pkts;
 644 }
 645
 646 static int
 647 add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
 648 {
 649         printf("Port %d: softly parse packet type info\n", portid);
 650         if (rte_eth_add_rx_callback(portid, queueid, cb_parse_ptype, NULL))
 651                 return 0;
 652
 653         printf("Failed to add rx callback: port=%d\n", portid);
 654         return -1;
 655 }
 656
 657 static inline void
 658 l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 659                                 struct lcore_conf *qconf)
 660 {
 661         struct ether_hdr *eth_hdr;
 662         struct ipv4_hdr *ipv4_hdr;
 663         void *d_addr_bytes;
 664         uint16_t dst_port;
 665
 666         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 667
 668         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 669                 /* Handle IPv4 headers.*/
 670                 ipv4_hdr =
 671                         rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
 672                                                 sizeof(struct ether_hdr));
 673
 674 #ifdef DO_RFC_1812_CHECKS
 675                 /* Check to make sure the packet is valid (RFC1812) */
 676                 if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
 677                         rte_pktmbuf_free(m);
 678                         return;
 679                 }
 680 #endif
 681
 682                 dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
 683                                         qconf->ipv4_lookup_struct);
 684                 if (dst_port >= RTE_MAX_ETHPORTS ||
 685                                 (enabled_port_mask & 1 << dst_port) == 0)
 686                         dst_port = portid;
 687
 688                 /* 02:00:00:00:00:xx */
 689                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 690                 *((uint64_t *)d_addr_bytes) =
 691                         0x000000000002 + ((uint64_t)dst_port << 40);
 692
 693 #ifdef DO_RFC_1812_CHECKS
 694                 /* Update time to live and header checksum */
 695                 --(ipv4_hdr->time_to_live);
 696                 ++(ipv4_hdr->hdr_checksum);
 697 #endif
 698
 699                 /* src addr */
 700                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 701
 702                 send_single_packet(m, dst_port);
 703         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 704                 /* Handle IPv6 headers.*/
 705 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
 706                 struct ipv6_hdr *ipv6_hdr;
 707
 708                 ipv6_hdr =
 709                         rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
 710                                                 sizeof(struct ether_hdr));
 711
 712                 dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
 713                                         qconf->ipv6_lookup_struct);
 714
 715                 if (dst_port >= RTE_MAX_ETHPORTS ||
 716                                 (enabled_port_mask & 1 << dst_port) == 0)
 717                         dst_port = portid;
 718
 719                 /* 02:00:00:00:00:xx */
 720                 d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
 721                 *((uint64_t *)d_addr_bytes) =
 722                         0x000000000002 + ((uint64_t)dst_port << 40);
 723
 724                 /* src addr */
 725                 ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
 726
 727                 send_single_packet(m, dst_port);
 728 #else
 729                 /* We don't currently handle IPv6 packets in LPM mode. */
 730                 rte_pktmbuf_free(m);
 731 #endif
 732         } else
 733                 rte_pktmbuf_free(m);
 734
 735 }
 736
 737 #define MINIMUM_SLEEP_TIME         1
 738 #define SUSPEND_THRESHOLD          300
 739
 740 static inline uint32_t
 741 power_idle_heuristic(uint32_t zero_rx_packet_count)
 742 {
 743         /* If zero count is less than 100,  sleep 1us */
 744         if (zero_rx_packet_count < SUSPEND_THRESHOLD)
 745                 return MINIMUM_SLEEP_TIME;
 746         /* If zero count is less than 1000, sleep 100 us which is the
 747                 minimum latency switching from C3/C6 to C0
 748         */
 749         else
 750                 return SUSPEND_THRESHOLD;
 751 }
 752
 753 static inline enum freq_scale_hint_t
 754 power_freq_scaleup_heuristic(unsigned lcore_id,
 755                              uint16_t port_id,
 756                              uint16_t queue_id)
 757 {
 758 /**
 759  * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
 760  * per iteration
 761  */
 762 #define FREQ_GEAR1_RX_PACKET_THRESHOLD             MAX_PKT_BURST
 763 #define FREQ_GEAR2_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*2)
 764 #define FREQ_GEAR3_RX_PACKET_THRESHOLD             (MAX_PKT_BURST*3)
 765 #define FREQ_UP_TREND1_ACC   1
 766 #define FREQ_UP_TREND2_ACC   100
 767 #define FREQ_UP_THRESHOLD    10000
 768
 769         if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 770                         FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
 771                 stats[lcore_id].trend = 0;
 772                 return FREQ_HIGHEST;
 773         } else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 774                         FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
 775                 stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
 776         else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
 777                         FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
 778                 stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
 779
 780         if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
 781                 stats[lcore_id].trend = 0;
 782                 return FREQ_HIGHER;
 783         }
 784
 785         return FREQ_CURRENT;
 786 }
 787
 788 /**
 789  * force polling thread sleep until one-shot rx interrupt triggers
 790  * @param port_id
 791  *  Port id.
 792  * @param queue_id
 793  *  Rx queue id.
 794  * @return
 795  *  0 on success
 796  */
 797 static int
 798 sleep_until_rx_interrupt(int num)
 799 {
 800         struct rte_epoll_event event[num];
 801         int n, i;
 802         uint16_t port_id;
 803         uint8_t queue_id;
 804         void *data;
 805
 806         RTE_LOG(INFO, L3FWD_POWER,
 807                 "lcore %u sleeps until interrupt triggers\n",
 808                 rte_lcore_id());
 809
 810         n = rte_epoll_wait(RTE_EPOLL_PER_THREAD, event, num, -1);
 811         for (i = 0; i < n; i++) {
 812                 data = event[i].epdata.data;
 813                 port_id = ((uintptr_t)data) >> CHAR_BIT;
 814                 queue_id = ((uintptr_t)data) &
 815                         RTE_LEN2MASK(CHAR_BIT, uint8_t);
 816                 rte_eth_dev_rx_intr_disable(port_id, queue_id);
 817                 RTE_LOG(INFO, L3FWD_POWER,
 818                         "lcore %u is waked up from rx interrupt on"
 819                         " port %d queue %d\n",
 820                         rte_lcore_id(), port_id, queue_id);
 821         }
 822
 823         return 0;
 824 }
 825
 826 static void turn_on_intr(struct lcore_conf *qconf)
 827 {
 828         int i;
 829         struct lcore_rx_queue *rx_queue;
 830         uint8_t queue_id;
 831         uint16_t port_id;
 832
 833         for (i = 0; i < qconf->n_rx_queue; ++i) {
 834                 rx_queue = &(qconf->rx_queue_list[i]);
 835                 port_id = rx_queue->port_id;
 836                 queue_id = rx_queue->queue_id;
 837
 838                 rte_spinlock_lock(&(locks[port_id]));
 839                 rte_eth_dev_rx_intr_enable(port_id, queue_id);
 840                 rte_spinlock_unlock(&(locks[port_id]));
 841         }
 842 }
 843
 844 static int event_register(struct lcore_conf *qconf)
 845 {
 846         struct lcore_rx_queue *rx_queue;
 847         uint8_t queueid;
 848         uint16_t portid;
 849         uint32_t data;
 850         int ret;
 851         int i;
 852
 853         for (i = 0; i < qconf->n_rx_queue; ++i) {
 854                 rx_queue = &(qconf->rx_queue_list[i]);
 855                 portid = rx_queue->port_id;
 856                 queueid = rx_queue->queue_id;
 857                 data = portid << CHAR_BIT | queueid;
 858
 859                 ret = rte_eth_dev_rx_intr_ctl_q(portid, queueid,
 860                                                 RTE_EPOLL_PER_THREAD,
 861                                                 RTE_INTR_EVENT_ADD,
 862                                                 (void *)((uintptr_t)data));
 863                 if (ret)
 864                         return ret;
 865         }
 866
 867         return 0;
 868 }
 869
 870 /* main processing loop */
 871 static int
 872 main_loop(__attribute__((unused)) void *dummy)
 873 {
 874         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 875         unsigned lcore_id;
 876         uint64_t prev_tsc, diff_tsc, cur_tsc, tim_res_tsc, hz;
 877         uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
 878         int i, j, nb_rx;
 879         uint8_t queueid;
 880         uint16_t portid;
 881         struct lcore_conf *qconf;
 882         struct lcore_rx_queue *rx_queue;
 883         enum freq_scale_hint_t lcore_scaleup_hint;
 884         uint32_t lcore_rx_idle_count = 0;
 885         uint32_t lcore_idle_hint = 0;
 886         int intr_en = 0;
 887
 888         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 889
 890         prev_tsc = 0;
 891         hz = rte_get_timer_hz();
 892         tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND;
 893
 894         lcore_id = rte_lcore_id();
 895         qconf = &lcore_conf[lcore_id];
 896
 897         if (qconf->n_rx_queue == 0) {
 898                 RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
 899                 return 0;
 900         }
 901
 902         RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
 903
 904         for (i = 0; i < qconf->n_rx_queue; i++) {
 905                 portid = qconf->rx_queue_list[i].port_id;
 906                 queueid = qconf->rx_queue_list[i].queue_id;
 907                 RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%u "
 908                         "rxqueueid=%hhu\n", lcore_id, portid, queueid);
 909         }
 910
 911         /* add into event wait list */
 912         if (event_register(qconf) == 0)
 913                 intr_en = 1;
 914         else
 915                 RTE_LOG(INFO, L3FWD_POWER, "RX interrupt won't enable.\n");
 916
 917         while (1) {
 918                 stats[lcore_id].nb_iteration_looped++;
 919
 920                 cur_tsc = rte_rdtsc();
 921                 cur_tsc_power = cur_tsc;
 922
 923                 /*
 924                  * TX burst queue drain
 925                  */
 926                 diff_tsc = cur_tsc - prev_tsc;
 927                 if (unlikely(diff_tsc > drain_tsc)) {
 928                         for (i = 0; i < qconf->n_tx_port; ++i) {
 929                                 portid = qconf->tx_port_id[i];
 930                                 rte_eth_tx_buffer_flush(portid,
 931                                                 qconf->tx_queue_id[portid],
 932                                                 qconf->tx_buffer[portid]);
 933                         }
 934                         prev_tsc = cur_tsc;
 935                 }
 936
 937                 diff_tsc_power = cur_tsc_power - prev_tsc_power;
 938                 if (diff_tsc_power > tim_res_tsc) {
 939                         rte_timer_manage();
 940                         prev_tsc_power = cur_tsc_power;
 941                 }
 942
 943 start_rx:
 944                 /*
 945                  * Read packet from RX queues
 946                  */
 947                 lcore_scaleup_hint = FREQ_CURRENT;
 948                 lcore_rx_idle_count = 0;
 949                 for (i = 0; i < qconf->n_rx_queue; ++i) {
 950                         rx_queue = &(qconf->rx_queue_list[i]);
 951                         rx_queue->idle_hint = 0;
 952                         portid = rx_queue->port_id;
 953                         queueid = rx_queue->queue_id;
 954
 955                         nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
 956                                                                 MAX_PKT_BURST);
 957
 958                         stats[lcore_id].nb_rx_processed += nb_rx;
 959                         if (unlikely(nb_rx == 0)) {
 960                                 /**
 961                                  * no packet received from rx queue, try to
 962                                  * sleep for a while forcing CPU enter deeper
 963                                  * C states.
 964                                  */
 965                                 rx_queue->zero_rx_packet_count++;
 966
 967                                 if (rx_queue->zero_rx_packet_count <=
 968                                                         MIN_ZERO_POLL_COUNT)
 969                                         continue;
 970
 971                                 rx_queue->idle_hint = power_idle_heuristic(\
 972                                         rx_queue->zero_rx_packet_count);
 973                                 lcore_rx_idle_count++;
 974                         } else {
 975                                 rx_queue->zero_rx_packet_count = 0;
 976
 977                                 /**
 978                                  * do not scale up frequency immediately as
 979                                  * user to kernel space communication is costly
 980                                  * which might impact packet I/O for received
 981                                  * packets.
 982                                  */
 983                                 rx_queue->freq_up_hint =
 984                                         power_freq_scaleup_heuristic(lcore_id,
 985                                                         portid, queueid);
 986                         }
 987
 988                         /* Prefetch first packets */
 989                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
 990                                 rte_prefetch0(rte_pktmbuf_mtod(
 991                                                 pkts_burst[j], void *));
 992                         }
 993
 994                         /* Prefetch and forward already prefetched packets */
 995                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
 996                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
 997                                                 j + PREFETCH_OFFSET], void *));
 998                                 l3fwd_simple_forward(pkts_burst[j], portid,
 999                                                                 qconf);
1000                         }
1001
1002                         /* Forward remaining prefetched packets */
1003                         for (; j < nb_rx; j++) {
1004                                 l3fwd_simple_forward(pkts_burst[j], portid,
1005                                                                 qconf);
1006                         }
1007                 }
1008
1009                 if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
1010                         for (i = 1, lcore_scaleup_hint =
1011                                 qconf->rx_queue_list[0].freq_up_hint;
1012                                         i < qconf->n_rx_queue; ++i) {
1013                                 rx_queue = &(qconf->rx_queue_list[i]);
1014                                 if (rx_queue->freq_up_hint >
1015                                                 lcore_scaleup_hint)
1016                                         lcore_scaleup_hint =
1017                                                 rx_queue->freq_up_hint;
1018                         }
1019
1020                         if (lcore_scaleup_hint == FREQ_HIGHEST) {
1021                                 if (rte_power_freq_max)
1022                                         rte_power_freq_max(lcore_id);
1023                         } else if (lcore_scaleup_hint == FREQ_HIGHER) {
1024                                 if (rte_power_freq_up)
1025                                         rte_power_freq_up(lcore_id);
1026                         }
1027                 } else {
1028                         /**
1029                          * All Rx queues empty in recent consecutive polls,
1030                          * sleep in a conservative manner, meaning sleep as
1031                          * less as possible.
1032                          */
1033                         for (i = 1, lcore_idle_hint =
1034                                 qconf->rx_queue_list[0].idle_hint;
1035                                         i < qconf->n_rx_queue; ++i) {
1036                                 rx_queue = &(qconf->rx_queue_list[i]);
1037                                 if (rx_queue->idle_hint < lcore_idle_hint)
1038                                         lcore_idle_hint = rx_queue->idle_hint;
1039                         }
1040
1041                         if (lcore_idle_hint < SUSPEND_THRESHOLD)
1042                                 /**
1043                                  * execute "pause" instruction to avoid context
1044                                  * switch which generally take hundred of
1045                                  * microseconds for short sleep.
1046                                  */
1047                                 rte_delay_us(lcore_idle_hint);
1048                         else {
1049                                 /* suspend until rx interrupt trigges */
1050                                 if (intr_en) {
1051                                         turn_on_intr(qconf);
1052                                         sleep_until_rx_interrupt(
1053                                                 qconf->n_rx_queue);
1054                                         /**
1055                                          * start receiving packets immediately
1056                                          */
1057                                         goto start_rx;
1058                                 }
1059                         }
1060                         stats[lcore_id].sleep_time += lcore_idle_hint;
1061                 }
1062         }
1063 }
1064
1065 static int
1066 check_lcore_params(void)
1067 {
1068         uint8_t queue, lcore;
1069         uint16_t i;
1070         int socketid;
1071
1072         for (i = 0; i < nb_lcore_params; ++i) {
1073                 queue = lcore_params[i].queue_id;
1074                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1075                         printf("invalid queue number: %hhu\n", queue);
1076                         return -1;
1077                 }
1078                 lcore = lcore_params[i].lcore_id;
1079                 if (!rte_lcore_is_enabled(lcore)) {
1080                         printf("error: lcore %hhu is not enabled in lcore "
1081                                                         "mask\n", lcore);
1082                         return -1;
1083                 }
1084                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
1085                                                         (numa_on == 0)) {
1086                         printf("warning: lcore %hhu is on socket %d with numa "
1087                                                 "off\n", lcore, socketid);
1088                 }
1089         }
1090         return 0;
1091 }
1092
1093 static int
1094 check_port_config(const unsigned nb_ports)
1095 {
1096         unsigned portid;
1097         uint16_t i;
1098
1099         for (i = 0; i < nb_lcore_params; ++i) {
1100                 portid = lcore_params[i].port_id;
1101                 if ((enabled_port_mask & (1 << portid)) == 0) {
1102                         printf("port %u is not enabled in port mask\n",
1103                                                                 portid);
1104                         return -1;
1105                 }
1106                 if (portid >= nb_ports) {
1107                         printf("port %u is not present on the board\n",
1108                                                                 portid);
1109                         return -1;
1110                 }
1111         }
1112         return 0;
1113 }
1114
1115 static uint8_t
1116 get_port_n_rx_queues(const uint16_t port)
1117 {
1118         int queue = -1;
1119         uint16_t i;
1120
1121         for (i = 0; i < nb_lcore_params; ++i) {
1122                 if (lcore_params[i].port_id == port &&
1123                                 lcore_params[i].queue_id > queue)
1124                         queue = lcore_params[i].queue_id;
1125         }
1126         return (uint8_t)(++queue);
1127 }
1128
1129 static int
1130 init_lcore_rx_queues(void)
1131 {
1132         uint16_t i, nb_rx_queue;
1133         uint8_t lcore;
1134
1135         for (i = 0; i < nb_lcore_params; ++i) {
1136                 lcore = lcore_params[i].lcore_id;
1137                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1138                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1139                         printf("error: too many queues (%u) for lcore: %u\n",
1140                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1141                         return -1;
1142                 } else {
1143                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1144                                 lcore_params[i].port_id;
1145                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1146                                 lcore_params[i].queue_id;
1147                         lcore_conf[lcore].n_rx_queue++;
1148                 }
1149         }
1150         return 0;
1151 }
1152
1153 /* display usage */
1154 static void
1155 print_usage(const char *prgname)
1156 {
1157         printf ("%s [EAL options] -- -p PORTMASK -P"
1158                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]"
1159                 "  [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
1160                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1161                 "  -P : enable promiscuous mode\n"
1162                 "  --config (port,queue,lcore): rx queues configuration\n"
1163                 "  --no-numa: optional, disable numa awareness\n"
1164                 "  --enable-jumbo: enable jumbo frame"
1165                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1166                 "  --parse-ptype: parse packet type by software\n",
1167                 prgname);
1168 }
1169
1170 static int parse_max_pkt_len(const char *pktlen)
1171 {
1172         char *end = NULL;
1173         unsigned long len;
1174
1175         /* parse decimal string */
1176         len = strtoul(pktlen, &end, 10);
1177         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1178                 return -1;
1179
1180         if (len == 0)
1181                 return -1;
1182
1183         return len;
1184 }
1185
1186 static int
1187 parse_portmask(const char *portmask)
1188 {
1189         char *end = NULL;
1190         unsigned long pm;
1191
1192         /* parse hexadecimal string */
1193         pm = strtoul(portmask, &end, 16);
1194         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1195                 return -1;
1196
1197         if (pm == 0)
1198                 return -1;
1199
1200         return pm;
1201 }
1202
1203 static int
1204 parse_config(const char *q_arg)
1205 {
1206         char s[256];
1207         const char *p, *p0 = q_arg;
1208         char *end;
1209         enum fieldnames {
1210                 FLD_PORT = 0,
1211                 FLD_QUEUE,
1212                 FLD_LCORE,
1213                 _NUM_FLD
1214         };
1215         unsigned long int_fld[_NUM_FLD];
1216         char *str_fld[_NUM_FLD];
1217         int i;
1218         unsigned size;
1219
1220         nb_lcore_params = 0;
1221
1222         while ((p = strchr(p0,'(')) != NULL) {
1223                 ++p;
1224                 if((p0 = strchr(p,')')) == NULL)
1225                         return -1;
1226
1227                 size = p0 - p;
1228                 if(size >= sizeof(s))
1229                         return -1;
1230
1231                 snprintf(s, sizeof(s), "%.*s", size, p);
1232                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1233                                                                 _NUM_FLD)
1234                         return -1;
1235                 for (i = 0; i < _NUM_FLD; i++){
1236                         errno = 0;
1237                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1238                         if (errno != 0 || end == str_fld[i] || int_fld[i] >
1239                                                                         255)
1240                                 return -1;
1241                 }
1242                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1243                         printf("exceeded max number of lcore params: %hu\n",
1244                                 nb_lcore_params);
1245                         return -1;
1246                 }
1247                 lcore_params_array[nb_lcore_params].port_id =
1248                                 (uint8_t)int_fld[FLD_PORT];
1249                 lcore_params_array[nb_lcore_params].queue_id =
1250                                 (uint8_t)int_fld[FLD_QUEUE];
1251                 lcore_params_array[nb_lcore_params].lcore_id =
1252                                 (uint8_t)int_fld[FLD_LCORE];
1253                 ++nb_lcore_params;
1254         }
1255         lcore_params = lcore_params_array;
1256
1257         return 0;
1258 }
1259
1260 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
1261
1262 /* Parse the argument given in the command line of the application */
1263 static int
1264 parse_args(int argc, char **argv)
1265 {
1266         int opt, ret;
1267         char **argvopt;
1268         int option_index;
1269         char *prgname = argv[0];
1270         static struct option lgopts[] = {
1271                 {"config", 1, 0, 0},
1272                 {"no-numa", 0, 0, 0},
1273                 {"enable-jumbo", 0, 0, 0},
1274                 {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0},
1275                 {NULL, 0, 0, 0}
1276         };
1277
1278         argvopt = argv;
1279
1280         while ((opt = getopt_long(argc, argvopt, "p:P",
1281                                 lgopts, &option_index)) != EOF) {
1282
1283                 switch (opt) {
1284                 /* portmask */
1285                 case 'p':
1286                         enabled_port_mask = parse_portmask(optarg);
1287                         if (enabled_port_mask == 0) {
1288                                 printf("invalid portmask\n");
1289                                 print_usage(prgname);
1290                                 return -1;
1291                         }
1292                         break;
1293                 case 'P':
1294                         printf("Promiscuous mode selected\n");
1295                         promiscuous_on = 1;
1296                         break;
1297
1298                 /* long options */
1299                 case 0:
1300                         if (!strncmp(lgopts[option_index].name, "config", 6)) {
1301                                 ret = parse_config(optarg);
1302                                 if (ret) {
1303                                         printf("invalid config\n");
1304                                         print_usage(prgname);
1305                                         return -1;
1306                                 }
1307                         }
1308
1309                         if (!strncmp(lgopts[option_index].name,
1310                                                 "no-numa", 7)) {
1311                                 printf("numa is disabled \n");
1312                                 numa_on = 0;
1313                         }
1314
1315                         if (!strncmp(lgopts[option_index].name,
1316                                         "enable-jumbo", 12)) {
1317                                 struct option lenopts =
1318                                         {"max-pkt-len", required_argument, \
1319                                                                         0, 0};
1320
1321                                 printf("jumbo frame is enabled \n");
1322                                 port_conf.rxmode.jumbo_frame = 1;
1323
1324                                 /**
1325                                  * if no max-pkt-len set, use the default value
1326                                  * ETHER_MAX_LEN
1327                                  */
1328                                 if (0 == getopt_long(argc, argvopt, "",
1329                                                 &lenopts, &option_index)) {
1330                                         ret = parse_max_pkt_len(optarg);
1331                                         if ((ret < 64) ||
1332                                                 (ret > MAX_JUMBO_PKT_LEN)){
1333                                                 printf("invalid packet "
1334                                                                 "length\n");
1335                                                 print_usage(prgname);
1336                                                 return -1;
1337                                         }
1338                                         port_conf.rxmode.max_rx_pkt_len = ret;
1339                                 }
1340                                 printf("set jumbo frame "
1341                                         "max packet length to %u\n",
1342                                 (unsigned int)port_conf.rxmode.max_rx_pkt_len);
1343                         }
1344
1345                         if (!strncmp(lgopts[option_index].name,
1346                                      CMD_LINE_OPT_PARSE_PTYPE,
1347                                      sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
1348                                 printf("soft parse-ptype is enabled\n");
1349                                 parse_ptype = 1;
1350                         }
1351
1352                         break;
1353
1354                 default:
1355                         print_usage(prgname);
1356                         return -1;
1357                 }
1358         }
1359
1360         if (optind >= 0)
1361                 argv[optind-1] = prgname;
1362
1363         ret = optind-1;
1364         optind = 1; /* reset getopt lib */
1365         return ret;
1366 }
1367
1368 static void
1369 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1370 {
1371         char buf[ETHER_ADDR_FMT_SIZE];
1372         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1373         printf("%s%s", name, buf);
1374 }
1375
1376 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1377 static void
1378 setup_hash(int socketid)
1379 {
1380         struct rte_hash_parameters ipv4_l3fwd_hash_params = {
1381                 .name = NULL,
1382                 .entries = L3FWD_HASH_ENTRIES,
1383                 .key_len = sizeof(struct ipv4_5tuple),
1384                 .hash_func = DEFAULT_HASH_FUNC,
1385                 .hash_func_init_val = 0,
1386         };
1387
1388         struct rte_hash_parameters ipv6_l3fwd_hash_params = {
1389                 .name = NULL,
1390                 .entries = L3FWD_HASH_ENTRIES,
1391                 .key_len = sizeof(struct ipv6_5tuple),
1392                 .hash_func = DEFAULT_HASH_FUNC,
1393                 .hash_func_init_val = 0,
1394         };
1395
1396         unsigned i;
1397         int ret;
1398         char s[64];
1399
1400         /* create ipv4 hash */
1401         snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
1402         ipv4_l3fwd_hash_params.name = s;
1403         ipv4_l3fwd_hash_params.socket_id = socketid;
1404         ipv4_l3fwd_lookup_struct[socketid] =
1405                 rte_hash_create(&ipv4_l3fwd_hash_params);
1406         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1407                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1408                                 "socket %d\n", socketid);
1409
1410         /* create ipv6 hash */
1411         snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
1412         ipv6_l3fwd_hash_params.name = s;
1413         ipv6_l3fwd_hash_params.socket_id = socketid;
1414         ipv6_l3fwd_lookup_struct[socketid] =
1415                 rte_hash_create(&ipv6_l3fwd_hash_params);
1416         if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
1417                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
1418                                 "socket %d\n", socketid);
1419
1420
1421         /* populate the ipv4 hash */
1422         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1423                 ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
1424                                 (void *) &ipv4_l3fwd_route_array[i].key);
1425                 if (ret < 0) {
1426                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1427                                 "l3fwd hash on socket %d\n", i, socketid);
1428                 }
1429                 ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
1430                 printf("Hash: Adding key\n");
1431                 print_ipv4_key(ipv4_l3fwd_route_array[i].key);
1432         }
1433
1434         /* populate the ipv6 hash */
1435         for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
1436                 ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
1437                                 (void *) &ipv6_l3fwd_route_array[i].key);
1438                 if (ret < 0) {
1439                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
1440                                 "l3fwd hash on socket %d\n", i, socketid);
1441                 }
1442                 ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
1443                 printf("Hash: Adding key\n");
1444                 print_ipv6_key(ipv6_l3fwd_route_array[i].key);
1445         }
1446 }
1447 #endif
1448
1449 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1450 static void
1451 setup_lpm(int socketid)
1452 {
1453         unsigned i;
1454         int ret;
1455         char s[64];
1456
1457         /* create the LPM table */
1458         struct rte_lpm_config lpm_ipv4_config;
1459
1460         lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
1461         lpm_ipv4_config.number_tbl8s = 256;
1462         lpm_ipv4_config.flags = 0;
1463
1464         snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
1465         ipv4_l3fwd_lookup_struct[socketid] =
1466                         rte_lpm_create(s, socketid, &lpm_ipv4_config);
1467         if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
1468                 rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
1469                                 " on socket %d\n", socketid);
1470
1471         /* populate the LPM table */
1472         for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
1473                 ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
1474                         ipv4_l3fwd_route_array[i].ip,
1475                         ipv4_l3fwd_route_array[i].depth,
1476                         ipv4_l3fwd_route_array[i].if_out);
1477
1478                 if (ret < 0) {
1479                         rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
1480                                 "l3fwd LPM table on socket %d\n",
1481                                 i, socketid);
1482                 }
1483
1484                 printf("LPM: Adding route 0x%08x / %d (%d)\n",
1485                         (unsigned)ipv4_l3fwd_route_array[i].ip,
1486                         ipv4_l3fwd_route_array[i].depth,
1487                         ipv4_l3fwd_route_array[i].if_out);
1488         }
1489 }
1490 #endif
1491
1492 static int
1493 init_mem(unsigned nb_mbuf)
1494 {
1495         struct lcore_conf *qconf;
1496         int socketid;
1497         unsigned lcore_id;
1498         char s[64];
1499
1500         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1501                 if (rte_lcore_is_enabled(lcore_id) == 0)
1502                         continue;
1503
1504                 if (numa_on)
1505                         socketid = rte_lcore_to_socket_id(lcore_id);
1506                 else
1507                         socketid = 0;
1508
1509                 if (socketid >= NB_SOCKETS) {
1510                         rte_exit(EXIT_FAILURE, "Socket %d of lcore %u is "
1511                                         "out of range %d\n", socketid,
1512                                                 lcore_id, NB_SOCKETS);
1513                 }
1514                 if (pktmbuf_pool[socketid] == NULL) {
1515                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1516                         pktmbuf_pool[socketid] =
1517                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1518                                         MEMPOOL_CACHE_SIZE, 0,
1519                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1520                                         socketid);
1521                         if (pktmbuf_pool[socketid] == NULL)
1522                                 rte_exit(EXIT_FAILURE,
1523                                         "Cannot init mbuf pool on socket %d\n",
1524                                                                 socketid);
1525                         else
1526                                 printf("Allocated mbuf pool on socket %d\n",
1527                                                                 socketid);
1528
1529 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1530                         setup_lpm(socketid);
1531 #else
1532                         setup_hash(socketid);
1533 #endif
1534                 }
1535                 qconf = &lcore_conf[lcore_id];
1536                 qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
1537 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1538                 qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
1539 #endif
1540         }
1541         return 0;
1542 }
1543
1544 /* Check the link status of all ports in up to 9s, and print them finally */
1545 static void
1546 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1547 {
1548 #define CHECK_INTERVAL 100 /* 100ms */
1549 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1550         uint8_t count, all_ports_up, print_flag = 0;
1551         uint16_t portid;
1552         struct rte_eth_link link;
1553
1554         printf("\nChecking link status");
1555         fflush(stdout);
1556         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1557                 all_ports_up = 1;
1558                 for (portid = 0; portid < port_num; portid++) {
1559                         if ((port_mask & (1 << portid)) == 0)
1560                                 continue;
1561                         memset(&link, 0, sizeof(link));
1562                         rte_eth_link_get_nowait(portid, &link);
1563                         /* print link status if flag set */
1564                         if (print_flag == 1) {
1565                                 if (link.link_status)
1566                                         printf("Port %d Link Up - speed %u "
1567                                                 "Mbps - %s\n", (uint8_t)portid,
1568                                                 (unsigned)link.link_speed,
1569                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1570                                         ("full-duplex") : ("half-duplex\n"));
1571                                 else
1572                                         printf("Port %d Link Down\n",
1573                                                 (uint8_t)portid);
1574                                 continue;
1575                         }
1576                         /* clear all_ports_up flag if any link down */
1577                         if (link.link_status == ETH_LINK_DOWN) {
1578                                 all_ports_up = 0;
1579                                 break;
1580                         }
1581                 }
1582                 /* after finally printing all link status, get out */
1583                 if (print_flag == 1)
1584                         break;
1585
1586                 if (all_ports_up == 0) {
1587                         printf(".");
1588                         fflush(stdout);
1589                         rte_delay_ms(CHECK_INTERVAL);
1590                 }
1591
1592                 /* set the print_flag if all ports up or timeout */
1593                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1594                         print_flag = 1;
1595                         printf("done\n");
1596                 }
1597         }
1598 }
1599
1600 static int check_ptype(uint16_t portid)
1601 {
1602         int i, ret;
1603         int ptype_l3_ipv4 = 0;
1604 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1605         int ptype_l3_ipv6 = 0;
1606 #endif
1607         uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
1608
1609         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
1610         if (ret <= 0)
1611                 return 0;
1612
1613         uint32_t ptypes[ret];
1614
1615         ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
1616         for (i = 0; i < ret; ++i) {
1617                 if (ptypes[i] & RTE_PTYPE_L3_IPV4)
1618                         ptype_l3_ipv4 = 1;
1619 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1620                 if (ptypes[i] & RTE_PTYPE_L3_IPV6)
1621                         ptype_l3_ipv6 = 1;
1622 #endif
1623         }
1624
1625         if (ptype_l3_ipv4 == 0)
1626                 printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
1627
1628 #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
1629         if (ptype_l3_ipv6 == 0)
1630                 printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
1631 #endif
1632
1633 #if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
1634         if (ptype_l3_ipv4)
1635 #else /* APP_LOOKUP_EXACT_MATCH */
1636         if (ptype_l3_ipv4 && ptype_l3_ipv6)
1637 #endif
1638                 return 1;
1639
1640         return 0;
1641
1642 }
1643
1644 int
1645 main(int argc, char **argv)
1646 {
1647         struct lcore_conf *qconf;
1648         struct rte_eth_dev_info dev_info;
1649         struct rte_eth_txconf *txconf;
1650         int ret;
1651         uint16_t nb_ports;
1652         uint16_t queueid;
1653         unsigned lcore_id;
1654         uint64_t hz;
1655         uint32_t n_tx_queue, nb_lcores;
1656         uint32_t dev_rxq_num, dev_txq_num;
1657         uint8_t nb_rx_queue, queue, socketid;
1658         uint16_t portid;
1659         uint16_t org_rxq_intr = port_conf.intr_conf.rxq;
1660
1661         /* catch SIGINT and restore cpufreq governor to ondemand */
1662         signal(SIGINT, signal_exit_now);
1663
1664         /* init EAL */
1665         ret = rte_eal_init(argc, argv);
1666         if (ret < 0)
1667                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1668         argc -= ret;
1669         argv += ret;
1670
1671         /* init RTE timer library to be used late */
1672         rte_timer_subsystem_init();
1673
1674         /* parse application arguments (after the EAL ones) */
1675         ret = parse_args(argc, argv);
1676         if (ret < 0)
1677                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1678
1679         if (check_lcore_params() < 0)
1680                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1681
1682         ret = init_lcore_rx_queues();
1683         if (ret < 0)
1684                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1685
1686         nb_ports = rte_eth_dev_count();
1687
1688         if (check_port_config(nb_ports) < 0)
1689                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1690
1691         nb_lcores = rte_lcore_count();
1692
1693         /* initialize all ports */
1694         for (portid = 0; portid < nb_ports; portid++) {
1695                 /* skip ports that are not enabled */
1696                 if ((enabled_port_mask & (1 << portid)) == 0) {
1697                         printf("\nSkipping disabled port %d\n", portid);
1698                         continue;
1699                 }
1700
1701                 /* init port */
1702                 printf("Initializing port %d ... ", portid );
1703                 fflush(stdout);
1704
1705                 rte_eth_dev_info_get(portid, &dev_info);
1706                 dev_rxq_num = dev_info.max_rx_queues;
1707                 dev_txq_num = dev_info.max_tx_queues;
1708
1709                 nb_rx_queue = get_port_n_rx_queues(portid);
1710                 if (nb_rx_queue > dev_rxq_num)
1711                         rte_exit(EXIT_FAILURE,
1712                                 "Cannot configure not existed rxq: "
1713                                 "port=%d\n", portid);
1714
1715                 n_tx_queue = nb_lcores;
1716                 if (n_tx_queue > dev_txq_num)
1717                         n_tx_queue = dev_txq_num;
1718                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1719                         nb_rx_queue, (unsigned)n_tx_queue );
1720                 /* If number of Rx queue is 0, no need to enable Rx interrupt */
1721                 if (nb_rx_queue == 0)
1722                         port_conf.intr_conf.rxq = 0;
1723                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1724                                         (uint16_t)n_tx_queue, &port_conf);
1725                 /* Revert to original value */
1726                 port_conf.intr_conf.rxq = org_rxq_intr;
1727                 if (ret < 0)
1728                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1729                                         "err=%d, port=%d\n", ret, portid);
1730
1731                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1732                                                        &nb_txd);
1733                 if (ret < 0)
1734                         rte_exit(EXIT_FAILURE,
1735                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
1736                                  ret, portid);
1737
1738                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1739                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1740                 printf(", ");
1741
1742                 /* init memory */
1743                 ret = init_mem(NB_MBUF);
1744                 if (ret < 0)
1745                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1746
1747                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1748                         if (rte_lcore_is_enabled(lcore_id) == 0)
1749                                 continue;
1750
1751                         /* Initialize TX buffers */
1752                         qconf = &lcore_conf[lcore_id];
1753                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1754                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1755                                 rte_eth_dev_socket_id(portid));
1756                         if (qconf->tx_buffer[portid] == NULL)
1757                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1758                                                  portid);
1759
1760                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1761                 }
1762
1763                 /* init one TX queue per couple (lcore,port) */
1764                 queueid = 0;
1765                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1766                         if (rte_lcore_is_enabled(lcore_id) == 0)
1767                                 continue;
1768
1769                         if (queueid >= dev_txq_num)
1770                                 continue;
1771
1772                         if (numa_on)
1773                                 socketid = \
1774                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1775                         else
1776                                 socketid = 0;
1777
1778                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1779                         fflush(stdout);
1780
1781                         rte_eth_dev_info_get(portid, &dev_info);
1782                         txconf = &dev_info.default_txconf;
1783                         if (port_conf.rxmode.jumbo_frame)
1784                                 txconf->txq_flags = 0;
1785                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1786                                                      socketid, txconf);
1787                         if (ret < 0)
1788                                 rte_exit(EXIT_FAILURE,
1789                                         "rte_eth_tx_queue_setup: err=%d, "
1790                                                 "port=%d\n", ret, portid);
1791
1792                         qconf = &lcore_conf[lcore_id];
1793                         qconf->tx_queue_id[portid] = queueid;
1794                         queueid++;
1795
1796                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1797                         qconf->n_tx_port++;
1798                 }
1799                 printf("\n");
1800         }
1801
1802         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1803                 if (rte_lcore_is_enabled(lcore_id) == 0)
1804                         continue;
1805
1806                 /* init power management library */
1807                 ret = rte_power_init(lcore_id);
1808                 if (ret)
1809                         RTE_LOG(ERR, POWER,
1810                                 "Library initialization failed on core %u\n", lcore_id);
1811
1812                 /* init timer structures for each enabled lcore */
1813                 rte_timer_init(&power_timers[lcore_id]);
1814                 hz = rte_get_timer_hz();
1815                 rte_timer_reset(&power_timers[lcore_id],
1816                         hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
1817                                                 power_timer_cb, NULL);
1818
1819                 qconf = &lcore_conf[lcore_id];
1820                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1821                 fflush(stdout);
1822                 /* init RX queues */
1823                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1824                         portid = qconf->rx_queue_list[queue].port_id;
1825                         queueid = qconf->rx_queue_list[queue].queue_id;
1826
1827                         if (numa_on)
1828                                 socketid = \
1829                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1830                         else
1831                                 socketid = 0;
1832
1833                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1834                         fflush(stdout);
1835
1836                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
1837                                 socketid, NULL,
1838                                 pktmbuf_pool[socketid]);
1839                         if (ret < 0)
1840                                 rte_exit(EXIT_FAILURE,
1841                                         "rte_eth_rx_queue_setup: err=%d, "
1842                                                 "port=%d\n", ret, portid);
1843
1844                         if (parse_ptype) {
1845                                 if (add_cb_parse_ptype(portid, queueid) < 0)
1846                                         rte_exit(EXIT_FAILURE,
1847                                                  "Fail to add ptype cb\n");
1848                         } else if (!check_ptype(portid))
1849                                 rte_exit(EXIT_FAILURE,
1850                                          "PMD can not provide needed ptypes\n");
1851                 }
1852         }
1853
1854         printf("\n");
1855
1856         /* start ports */
1857         for (portid = 0; portid < nb_ports; portid++) {
1858                 if ((enabled_port_mask & (1 << portid)) == 0) {
1859                         continue;
1860                 }
1861                 /* Start device */
1862                 ret = rte_eth_dev_start(portid);
1863                 if (ret < 0)
1864                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
1865                                                 "port=%d\n", ret, portid);
1866                 /*
1867                  * If enabled, put device in promiscuous mode.
1868                  * This allows IO forwarding mode to forward packets
1869                  * to itself through 2 cross-connected  ports of the
1870                  * target machine.
1871                  */
1872                 if (promiscuous_on)
1873                         rte_eth_promiscuous_enable(portid);
1874                 /* initialize spinlock for each port */
1875                 rte_spinlock_init(&(locks[portid]));
1876         }
1877
1878         check_all_ports_link_status(nb_ports, enabled_port_mask);
1879
1880         /* launch per-lcore init on every lcore */
1881         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1882         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1883                 if (rte_eal_wait_lcore(lcore_id) < 0)
1884                         return -1;
1885         }
1886
1887         return 0;
1888 }