examples/ip_reassembly/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 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 <signal.h>
  16 #include <sys/param.h>
  17
  18 #include <rte_common.h>
  19 #include <rte_byteorder.h>
  20 #include <rte_log.h>
  21 #include <rte_memory.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_eal.h>
  24 #include <rte_launch.h>
  25 #include <rte_atomic.h>
  26 #include <rte_cycles.h>
  27 #include <rte_prefetch.h>
  28 #include <rte_lcore.h>
  29 #include <rte_per_lcore.h>
  30 #include <rte_branch_prediction.h>
  31 #include <rte_interrupts.h>
  32 #include <rte_random.h>
  33 #include <rte_debug.h>
  34 #include <rte_ether.h>
  35 #include <rte_ethdev.h>
  36 #include <rte_mempool.h>
  37 #include <rte_mbuf.h>
  38 #include <rte_malloc.h>
  39 #include <rte_ip.h>
  40 #include <rte_tcp.h>
  41 #include <rte_udp.h>
  42 #include <rte_string_fns.h>
  43 #include <rte_lpm.h>
  44 #include <rte_lpm6.h>
  45
  46 #include <rte_ip_frag.h>
  47
  48 #define MAX_PKT_BURST 32
  49
  50
  51 #define RTE_LOGTYPE_IP_RSMBL RTE_LOGTYPE_USER1
  52
  53 #define MAX_JUMBO_PKT_LEN  9600
  54
  55 #define BUF_SIZE        RTE_MBUF_DEFAULT_DATAROOM
  56 #define MBUF_DATA_SIZE  RTE_MBUF_DEFAULT_BUF_SIZE
  57
  58 #define NB_MBUF 8192
  59 #define MEMPOOL_CACHE_SIZE 256
  60
  61 /* allow max jumbo frame 9.5 KB */
  62 #define JUMBO_FRAME_MAX_SIZE    0x2600
  63
  64 #define MAX_FLOW_NUM    UINT16_MAX
  65 #define MIN_FLOW_NUM    1
  66 #define DEF_FLOW_NUM    0x1000
  67
  68 /* TTL numbers are in ms. */
  69 #define MAX_FLOW_TTL    (3600 * MS_PER_S)
  70 #define MIN_FLOW_TTL    1
  71 #define DEF_FLOW_TTL    MS_PER_S
  72
  73 #define MAX_FRAG_NUM RTE_LIBRTE_IP_FRAG_MAX_FRAG
  74
  75 /* Should be power of two. */
  76 #define IP_FRAG_TBL_BUCKET_ENTRIES      16
  77
  78 static uint32_t max_flow_num = DEF_FLOW_NUM;
  79 static uint32_t max_flow_ttl = DEF_FLOW_TTL;
  80
  81 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  82
  83 #define NB_SOCKETS 8
  84
  85 /* Configure how many packets ahead to prefetch, when reading packets */
  86 #define PREFETCH_OFFSET 3
  87
  88 /*
  89  * Configurable number of RX/TX ring descriptors
  90  */
  91 #define RTE_TEST_RX_DESC_DEFAULT 1024
  92 #define RTE_TEST_TX_DESC_DEFAULT 1024
  93
  94 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  95 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  96
  97 /* ethernet addresses of ports */
  98 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
  99
 100 #ifndef IPv4_BYTES
 101 #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
 102 #define IPv4_BYTES(addr) \
 103                 (uint8_t) (((addr) >> 24) & 0xFF),\
 104                 (uint8_t) (((addr) >> 16) & 0xFF),\
 105                 (uint8_t) (((addr) >> 8) & 0xFF),\
 106                 (uint8_t) ((addr) & 0xFF)
 107 #endif
 108
 109 #ifndef IPv6_BYTES
 110 #define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
 111                        "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
 112 #define IPv6_BYTES(addr) \
 113         addr[0],  addr[1], addr[2],  addr[3], \
 114         addr[4],  addr[5], addr[6],  addr[7], \
 115         addr[8],  addr[9], addr[10], addr[11],\
 116         addr[12], addr[13],addr[14], addr[15]
 117 #endif
 118
 119 #define IPV6_ADDR_LEN 16
 120
 121 /* mask of enabled ports */
 122 static uint32_t enabled_port_mask = 0;
 123
 124 static int rx_queue_per_lcore = 1;
 125
 126 struct mbuf_table {
 127         uint32_t len;
 128         uint32_t head;
 129         uint32_t tail;
 130         struct rte_mbuf *m_table[0];
 131 };
 132
 133 struct rx_queue {
 134         struct rte_ip_frag_tbl *frag_tbl;
 135         struct rte_mempool *pool;
 136         struct rte_lpm *lpm;
 137         struct rte_lpm6 *lpm6;
 138         uint16_t portid;
 139 };
 140
 141 struct tx_lcore_stat {
 142         uint64_t call;
 143         uint64_t drop;
 144         uint64_t queue;
 145         uint64_t send;
 146 };
 147
 148 #define MAX_RX_QUEUE_PER_LCORE 16
 149 #define MAX_TX_QUEUE_PER_PORT 16
 150 #define MAX_RX_QUEUE_PER_PORT 128
 151
 152 struct lcore_queue_conf {
 153         uint16_t n_rx_queue;
 154         struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 155         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 156         struct rte_ip_frag_death_row death_row;
 157         struct mbuf_table *tx_mbufs[RTE_MAX_ETHPORTS];
 158         struct tx_lcore_stat tx_stat;
 159 } __rte_cache_aligned;
 160 static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 161
 162 static struct rte_eth_conf port_conf = {
 163         .rxmode = {
 164                 .mq_mode        = ETH_MQ_RX_RSS,
 165                 .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
 166                 .split_hdr_size = 0,
 167                 .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
 168                              DEV_RX_OFFLOAD_JUMBO_FRAME),
 169         },
 170         .rx_adv_conf = {
 171                         .rss_conf = {
 172                                 .rss_key = NULL,
 173                                 .rss_hf = ETH_RSS_IP,
 174                 },
 175         },
 176         .txmode = {
 177                 .mq_mode = ETH_MQ_TX_NONE,
 178                 .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
 179                              DEV_TX_OFFLOAD_MULTI_SEGS),
 180         },
 181 };
 182
 183 /*
 184  * IPv4 forwarding table
 185  */
 186 struct l3fwd_ipv4_route {
 187         uint32_t ip;
 188         uint8_t  depth;
 189         uint8_t  if_out;
 190 };
 191
 192 /* Default l3fwd_ipv4_route_array table. 8< */
 193 struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
 194                 {RTE_IPV4(100,10,0,0), 16, 0},
 195                 {RTE_IPV4(100,20,0,0), 16, 1},
 196                 {RTE_IPV4(100,30,0,0), 16, 2},
 197                 {RTE_IPV4(100,40,0,0), 16, 3},
 198                 {RTE_IPV4(100,50,0,0), 16, 4},
 199                 {RTE_IPV4(100,60,0,0), 16, 5},
 200                 {RTE_IPV4(100,70,0,0), 16, 6},
 201                 {RTE_IPV4(100,80,0,0), 16, 7},
 202 };
 203 /* >8 End of default l3fwd_ipv4_route_array table. */
 204
 205 /*
 206  * IPv6 forwarding table
 207  */
 208
 209 struct l3fwd_ipv6_route {
 210         uint8_t ip[IPV6_ADDR_LEN];
 211         uint8_t depth;
 212         uint8_t if_out;
 213 };
 214
 215 /* Default l3fwd_ipv6_route_array table. 8< */
 216 static struct l3fwd_ipv6_route l3fwd_ipv6_route_array[] = {
 217         {{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 0},
 218         {{2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 1},
 219         {{3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 2},
 220         {{4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 3},
 221         {{5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 4},
 222         {{6,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 5},
 223         {{7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 6},
 224         {{8,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, 48, 7},
 225 };
 226 /* >8 End of default l3fwd_ipv6_route_array table. */
 227
 228 #define LPM_MAX_RULES         1024
 229 #define LPM6_MAX_RULES         1024
 230 #define LPM6_NUMBER_TBL8S (1 << 16)
 231
 232 struct rte_lpm6_config lpm6_config = {
 233                 .max_rules = LPM6_MAX_RULES,
 234                 .number_tbl8s = LPM6_NUMBER_TBL8S,
 235                 .flags = 0
 236 };
 237
 238 static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
 239 static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
 240
 241 #ifdef RTE_LIBRTE_IP_FRAG_TBL_STAT
 242 #define TX_LCORE_STAT_UPDATE(s, f, v)   ((s)->f += (v))
 243 #else
 244 #define TX_LCORE_STAT_UPDATE(s, f, v)   do {} while (0)
 245 #endif /* RTE_LIBRTE_IP_FRAG_TBL_STAT */
 246
 247 /*
 248  * If number of queued packets reached given threahold, then
 249  * send burst of packets on an output interface.
 250  */
 251 static inline uint32_t
 252 send_burst(struct lcore_queue_conf *qconf, uint32_t thresh, uint16_t port)
 253 {
 254         uint32_t fill, len, k, n;
 255         struct mbuf_table *txmb;
 256
 257         txmb = qconf->tx_mbufs[port];
 258         len = txmb->len;
 259
 260         if ((int32_t)(fill = txmb->head - txmb->tail) < 0)
 261                 fill += len;
 262
 263         if (fill >= thresh) {
 264                 n = RTE_MIN(len - txmb->tail, fill);
 265
 266                 k = rte_eth_tx_burst(port, qconf->tx_queue_id[port],
 267                         txmb->m_table + txmb->tail, (uint16_t)n);
 268
 269                 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, call, 1);
 270                 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, send, k);
 271
 272                 fill -= k;
 273                 if ((txmb->tail += k) == len)
 274                         txmb->tail = 0;
 275         }
 276
 277         return fill;
 278 }
 279
 280 /* Enqueue a single packet, and send burst if queue is filled */
 281 static inline int
 282 send_single_packet(struct rte_mbuf *m, uint16_t port)
 283 {
 284         uint32_t fill, lcore_id, len;
 285         struct lcore_queue_conf *qconf;
 286         struct mbuf_table *txmb;
 287
 288         lcore_id = rte_lcore_id();
 289         qconf = &lcore_queue_conf[lcore_id];
 290
 291         txmb = qconf->tx_mbufs[port];
 292         len = txmb->len;
 293
 294         fill = send_burst(qconf, MAX_PKT_BURST, port);
 295
 296         if (fill == len - 1) {
 297                 TX_LCORE_STAT_UPDATE(&qconf->tx_stat, drop, 1);
 298                 rte_pktmbuf_free(txmb->m_table[txmb->tail]);
 299                 if (++txmb->tail == len)
 300                         txmb->tail = 0;
 301         }
 302
 303         TX_LCORE_STAT_UPDATE(&qconf->tx_stat, queue, 1);
 304         txmb->m_table[txmb->head] = m;
 305         if(++txmb->head == len)
 306                 txmb->head = 0;
 307
 308         return 0;
 309 }
 310
 311 static inline void
 312 reassemble(struct rte_mbuf *m, uint16_t portid, uint32_t queue,
 313         struct lcore_queue_conf *qconf, uint64_t tms)
 314 {
 315         struct rte_ether_hdr *eth_hdr;
 316         struct rte_ip_frag_tbl *tbl;
 317         struct rte_ip_frag_death_row *dr;
 318         struct rx_queue *rxq;
 319         void *d_addr_bytes;
 320         uint32_t next_hop;
 321         uint16_t dst_port;
 322
 323         rxq = &qconf->rx_queue_list[queue];
 324
 325         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 326
 327         dst_port = portid;
 328
 329         /* if packet is IPv4 */
 330         if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
 331                 struct rte_ipv4_hdr *ip_hdr;
 332                 uint32_t ip_dst;
 333
 334                 ip_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
 335
 336                  /* if it is a fragmented packet, then try to reassemble. */
 337                 if (rte_ipv4_frag_pkt_is_fragmented(ip_hdr)) {
 338                         struct rte_mbuf *mo;
 339
 340                         tbl = rxq->frag_tbl;
 341                         dr = &qconf->death_row;
 342
 343                         /* prepare mbuf: setup l2_len/l3_len. */
 344                         m->l2_len = sizeof(*eth_hdr);
 345                         m->l3_len = sizeof(*ip_hdr);
 346
 347                         /* process this fragment. */
 348                         mo = rte_ipv4_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr);
 349                         if (mo == NULL)
 350                                 /* no packet to send out. */
 351                                 return;
 352
 353                         /* we have our packet reassembled. */
 354                         if (mo != m) {
 355                                 m = mo;
 356                                 eth_hdr = rte_pktmbuf_mtod(m,
 357                                         struct rte_ether_hdr *);
 358                                 ip_hdr = (struct rte_ipv4_hdr *)(eth_hdr + 1);
 359                         }
 360
 361                         /* update offloading flags */
 362                         m->ol_flags |= (PKT_TX_IPV4 | PKT_TX_IP_CKSUM);
 363                 }
 364                 ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
 365
 366                 /* Find destination port */
 367                 if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
 368                                 (enabled_port_mask & 1 << next_hop) != 0) {
 369                         dst_port = next_hop;
 370                 }
 371
 372                 eth_hdr->ether_type = rte_be_to_cpu_16(RTE_ETHER_TYPE_IPV4);
 373         } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
 374                 /* if packet is IPv6 */
 375                 struct ipv6_extension_fragment *frag_hdr;
 376                 struct rte_ipv6_hdr *ip_hdr;
 377
 378                 ip_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
 379
 380                 frag_hdr = rte_ipv6_frag_get_ipv6_fragment_header(ip_hdr);
 381
 382                 if (frag_hdr != NULL) {
 383                         struct rte_mbuf *mo;
 384
 385                         tbl = rxq->frag_tbl;
 386                         dr  = &qconf->death_row;
 387
 388                         /* prepare mbuf: setup l2_len/l3_len. */
 389                         m->l2_len = sizeof(*eth_hdr);
 390                         m->l3_len = sizeof(*ip_hdr) + sizeof(*frag_hdr);
 391
 392                         mo = rte_ipv6_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr, frag_hdr);
 393                         if (mo == NULL)
 394                                 return;
 395
 396                         if (mo != m) {
 397                                 m = mo;
 398                                 eth_hdr = rte_pktmbuf_mtod(m,
 399                                                         struct rte_ether_hdr *);
 400                                 ip_hdr = (struct rte_ipv6_hdr *)(eth_hdr + 1);
 401                         }
 402                 }
 403
 404                 /* Find destination port */
 405                 if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
 406                                                 &next_hop) == 0 &&
 407                                 (enabled_port_mask & 1 << next_hop) != 0) {
 408                         dst_port = next_hop;
 409                 }
 410
 411                 eth_hdr->ether_type = rte_be_to_cpu_16(RTE_ETHER_TYPE_IPV6);
 412         }
 413         /* if packet wasn't IPv4 or IPv6, it's forwarded to the port it came from */
 414
 415         /* 02:00:00:00:00:xx */
 416         d_addr_bytes = &eth_hdr->dst_addr.addr_bytes[0];
 417         *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)dst_port << 40);
 418
 419         /* src addr */
 420         rte_ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->src_addr);
 421
 422         send_single_packet(m, dst_port);
 423 }
 424
 425 /* main processing loop */
 426 static int
 427 main_loop(__rte_unused void *dummy)
 428 {
 429         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
 430         unsigned lcore_id;
 431         uint64_t diff_tsc, cur_tsc, prev_tsc;
 432         int i, j, nb_rx;
 433         uint16_t portid;
 434         struct lcore_queue_conf *qconf;
 435         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 436
 437         prev_tsc = 0;
 438
 439         lcore_id = rte_lcore_id();
 440         qconf = &lcore_queue_conf[lcore_id];
 441
 442         if (qconf->n_rx_queue == 0) {
 443                 RTE_LOG(INFO, IP_RSMBL, "lcore %u has nothing to do\n", lcore_id);
 444                 return 0;
 445         }
 446
 447         RTE_LOG(INFO, IP_RSMBL, "entering main loop on lcore %u\n", lcore_id);
 448
 449         for (i = 0; i < qconf->n_rx_queue; i++) {
 450
 451                 portid = qconf->rx_queue_list[i].portid;
 452                 RTE_LOG(INFO, IP_RSMBL, " -- lcoreid=%u portid=%u\n", lcore_id,
 453                         portid);
 454         }
 455
 456         while (1) {
 457
 458                 cur_tsc = rte_rdtsc();
 459
 460                 /*
 461                  * TX burst queue drain
 462                  */
 463                 diff_tsc = cur_tsc - prev_tsc;
 464                 if (unlikely(diff_tsc > drain_tsc)) {
 465
 466                         /*
 467                          * This could be optimized (use queueid instead of
 468                          * portid), but it is not called so often
 469                          */
 470                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 471                                 if ((enabled_port_mask & (1 << portid)) != 0)
 472                                         send_burst(qconf, 1, portid);
 473                         }
 474
 475                         prev_tsc = cur_tsc;
 476                 }
 477
 478                 /*
 479                  * Read packet from RX queues
 480                  */
 481                 for (i = 0; i < qconf->n_rx_queue; ++i) {
 482
 483                         portid = qconf->rx_queue_list[i].portid;
 484
 485                         nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
 486                                 MAX_PKT_BURST);
 487
 488                         /* Prefetch first packets */
 489                         for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
 490                                 rte_prefetch0(rte_pktmbuf_mtod(
 491                                                 pkts_burst[j], void *));
 492                         }
 493
 494                         /* Prefetch and forward already prefetched packets */
 495                         for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
 496                                 rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
 497                                         j + PREFETCH_OFFSET], void *));
 498                                 reassemble(pkts_burst[j], portid,
 499                                         i, qconf, cur_tsc);
 500                         }
 501
 502                         /* Forward remaining prefetched packets */
 503                         for (; j < nb_rx; j++) {
 504                                 reassemble(pkts_burst[j], portid,
 505                                         i, qconf, cur_tsc);
 506                         }
 507
 508                         rte_ip_frag_free_death_row(&qconf->death_row,
 509                                 PREFETCH_OFFSET);
 510                 }
 511         }
 512 }
 513
 514 /* display usage */
 515 static void
 516 print_usage(const char *prgname)
 517 {
 518         printf("%s [EAL options] -- -p PORTMASK [-q NQ]"
 519                 "  [--max-pkt-len PKTLEN]"
 520                 "  [--maxflows=<flows>]  [--flowttl=<ttl>[(s|ms)]]\n"
 521                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 522                 "  -q NQ: number of RX queues per lcore\n"
 523                 "  --maxflows=<flows>: optional, maximum number of flows "
 524                 "supported\n"
 525                 "  --flowttl=<ttl>[(s|ms)]: optional, maximum TTL for each "
 526                 "flow\n",
 527                 prgname);
 528 }
 529
 530 static uint32_t
 531 parse_flow_num(const char *str, uint32_t min, uint32_t max, uint32_t *val)
 532 {
 533         char *end;
 534         uint64_t v;
 535
 536         /* parse decimal string */
 537         errno = 0;
 538         v = strtoul(str, &end, 10);
 539         if (errno != 0 || *end != '\0')
 540                 return -EINVAL;
 541
 542         if (v < min || v > max)
 543                 return -EINVAL;
 544
 545         *val = (uint32_t)v;
 546         return 0;
 547 }
 548
 549 static int
 550 parse_flow_ttl(const char *str, uint32_t min, uint32_t max, uint32_t *val)
 551 {
 552         char *end;
 553         uint64_t v;
 554
 555         static const char frmt_sec[] = "s";
 556         static const char frmt_msec[] = "ms";
 557
 558         /* parse decimal string */
 559         errno = 0;
 560         v = strtoul(str, &end, 10);
 561         if (errno != 0)
 562                 return -EINVAL;
 563
 564         if (*end != '\0') {
 565                 if (strncmp(frmt_sec, end, sizeof(frmt_sec)) == 0)
 566                         v *= MS_PER_S;
 567                 else if (strncmp(frmt_msec, end, sizeof (frmt_msec)) != 0)
 568                         return -EINVAL;
 569         }
 570
 571         if (v < min || v > max)
 572                 return -EINVAL;
 573
 574         *val = (uint32_t)v;
 575         return 0;
 576 }
 577
 578 static int
 579 parse_portmask(const char *portmask)
 580 {
 581         char *end = NULL;
 582         unsigned long pm;
 583
 584         /* parse hexadecimal string */
 585         pm = strtoul(portmask, &end, 16);
 586         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 587                 return 0;
 588
 589         return pm;
 590 }
 591
 592 static int
 593 parse_nqueue(const char *q_arg)
 594 {
 595         char *end = NULL;
 596         unsigned long n;
 597
 598         printf("%p\n", q_arg);
 599
 600         /* parse hexadecimal string */
 601         n = strtoul(q_arg, &end, 10);
 602         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 603                 return -1;
 604         if (n == 0)
 605                 return -1;
 606         if (n >= MAX_RX_QUEUE_PER_LCORE)
 607                 return -1;
 608
 609         return n;
 610 }
 611
 612 /* Parse the argument given in the command line of the application */
 613 static int
 614 parse_args(int argc, char **argv)
 615 {
 616         int opt, ret;
 617         char **argvopt;
 618         int option_index;
 619         char *prgname = argv[0];
 620         static struct option lgopts[] = {
 621                 {"max-pkt-len", 1, 0, 0},
 622                 {"maxflows", 1, 0, 0},
 623                 {"flowttl", 1, 0, 0},
 624                 {NULL, 0, 0, 0}
 625         };
 626
 627         argvopt = argv;
 628
 629         while ((opt = getopt_long(argc, argvopt, "p:q:",
 630                                 lgopts, &option_index)) != EOF) {
 631
 632                 switch (opt) {
 633                 /* portmask */
 634                 case 'p':
 635                         enabled_port_mask = parse_portmask(optarg);
 636                         if (enabled_port_mask == 0) {
 637                                 printf("invalid portmask\n");
 638                                 print_usage(prgname);
 639                                 return -1;
 640                         }
 641                         break;
 642
 643                 /* nqueue */
 644                 case 'q':
 645                         rx_queue_per_lcore = parse_nqueue(optarg);
 646                         if (rx_queue_per_lcore < 0) {
 647                                 printf("invalid queue number\n");
 648                                 print_usage(prgname);
 649                                 return -1;
 650                         }
 651                         break;
 652
 653                 /* long options */
 654                 case 0:
 655                         if (!strncmp(lgopts[option_index].name,
 656                                         "maxflows", 8)) {
 657                                 if ((ret = parse_flow_num(optarg, MIN_FLOW_NUM,
 658                                                 MAX_FLOW_NUM,
 659                                                 &max_flow_num)) != 0) {
 660                                         printf("invalid value: \"%s\" for "
 661                                                 "parameter %s\n",
 662                                                 optarg,
 663                                                 lgopts[option_index].name);
 664                                         print_usage(prgname);
 665                                         return ret;
 666                                 }
 667                         }
 668
 669                         if (!strncmp(lgopts[option_index].name, "flowttl", 7)) {
 670                                 if ((ret = parse_flow_ttl(optarg, MIN_FLOW_TTL,
 671                                                 MAX_FLOW_TTL,
 672                                                 &max_flow_ttl)) != 0) {
 673                                         printf("invalid value: \"%s\" for "
 674                                                 "parameter %s\n",
 675                                                 optarg,
 676                                                 lgopts[option_index].name);
 677                                         print_usage(prgname);
 678                                         return ret;
 679                                 }
 680                         }
 681
 682                         break;
 683
 684                 default:
 685                         print_usage(prgname);
 686                         return -1;
 687                 }
 688         }
 689
 690         if (optind >= 0)
 691                 argv[optind-1] = prgname;
 692
 693         ret = optind-1;
 694         optind = 1; /* reset getopt lib */
 695         return ret;
 696 }
 697
 698 static void
 699 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
 700 {
 701         char buf[RTE_ETHER_ADDR_FMT_SIZE];
 702         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
 703         printf("%s%s", name, buf);
 704 }
 705
 706 /* Check the link status of all ports in up to 9s, and print them finally */
 707 static void
 708 check_all_ports_link_status(uint32_t port_mask)
 709 {
 710 #define CHECK_INTERVAL 100 /* 100ms */
 711 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
 712         uint16_t portid;
 713         uint8_t count, all_ports_up, print_flag = 0;
 714         struct rte_eth_link link;
 715         int ret;
 716         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
 717
 718         printf("\nChecking link status");
 719         fflush(stdout);
 720         for (count = 0; count <= MAX_CHECK_TIME; count++) {
 721                 all_ports_up = 1;
 722                 RTE_ETH_FOREACH_DEV(portid) {
 723                         if ((port_mask & (1 << portid)) == 0)
 724                                 continue;
 725                         memset(&link, 0, sizeof(link));
 726                         ret = rte_eth_link_get_nowait(portid, &link);
 727                         if (ret < 0) {
 728                                 all_ports_up = 0;
 729                                 if (print_flag == 1)
 730                                         printf("Port %u link get failed: %s\n",
 731                                                 portid, rte_strerror(-ret));
 732                                 continue;
 733                         }
 734                         /* print link status if flag set */
 735                         if (print_flag == 1) {
 736                                 rte_eth_link_to_str(link_status_text,
 737                                         sizeof(link_status_text), &link);
 738                                 printf("Port %d %s\n", portid,
 739                                        link_status_text);
 740                                 continue;
 741                         }
 742                         /* clear all_ports_up flag if any link down */
 743                         if (link.link_status == ETH_LINK_DOWN) {
 744                                 all_ports_up = 0;
 745                                 break;
 746                         }
 747                 }
 748                 /* after finally printing all link status, get out */
 749                 if (print_flag == 1)
 750                         break;
 751
 752                 if (all_ports_up == 0) {
 753                         printf(".");
 754                         fflush(stdout);
 755                         rte_delay_ms(CHECK_INTERVAL);
 756                 }
 757
 758                 /* set the print_flag if all ports up or timeout */
 759                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
 760                         print_flag = 1;
 761                         printf("\ndone\n");
 762                 }
 763         }
 764 }
 765
 766 static int
 767 init_routing_table(void)
 768 {
 769         struct rte_lpm *lpm;
 770         struct rte_lpm6 *lpm6;
 771         int socket, ret;
 772         unsigned i;
 773
 774         for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
 775                 if (socket_lpm[socket]) {
 776                         lpm = socket_lpm[socket];
 777                         /* populate the LPM table */
 778                         for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
 779                                 ret = rte_lpm_add(lpm,
 780                                         l3fwd_ipv4_route_array[i].ip,
 781                                         l3fwd_ipv4_route_array[i].depth,
 782                                         l3fwd_ipv4_route_array[i].if_out);
 783
 784                                 if (ret < 0) {
 785                                         RTE_LOG(ERR, IP_RSMBL, "Unable to add entry %i to the l3fwd "
 786                                                 "LPM table\n", i);
 787                                         return -1;
 788                                 }
 789
 790                                 RTE_LOG(INFO, IP_RSMBL, "Socket %i: adding route " IPv4_BYTES_FMT
 791                                                 "/%d (port %d)\n",
 792                                         socket,
 793                                         IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
 794                                         l3fwd_ipv4_route_array[i].depth,
 795                                         l3fwd_ipv4_route_array[i].if_out);
 796                         }
 797                 }
 798
 799                 if (socket_lpm6[socket]) {
 800                         lpm6 = socket_lpm6[socket];
 801                         /* populate the LPM6 table */
 802                         for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
 803                                 ret = rte_lpm6_add(lpm6,
 804                                         l3fwd_ipv6_route_array[i].ip,
 805                                         l3fwd_ipv6_route_array[i].depth,
 806                                         l3fwd_ipv6_route_array[i].if_out);
 807
 808                                 if (ret < 0) {
 809                                         RTE_LOG(ERR, IP_RSMBL, "Unable to add entry %i to the l3fwd "
 810                                                 "LPM6 table\n", i);
 811                                         return -1;
 812                                 }
 813
 814                                 RTE_LOG(INFO, IP_RSMBL, "Socket %i: adding route " IPv6_BYTES_FMT
 815                                                 "/%d (port %d)\n",
 816                                         socket,
 817                                         IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
 818                                         l3fwd_ipv6_route_array[i].depth,
 819                                         l3fwd_ipv6_route_array[i].if_out);
 820                         }
 821                 }
 822         }
 823         return 0;
 824 }
 825
 826 static int
 827 setup_port_tbl(struct lcore_queue_conf *qconf, uint32_t lcore, int socket,
 828         uint32_t port)
 829 {
 830         struct mbuf_table *mtb;
 831         uint32_t n;
 832         size_t sz;
 833
 834         n = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST);
 835         sz = sizeof (*mtb) + sizeof (mtb->m_table[0]) *  n;
 836
 837         if ((mtb = rte_zmalloc_socket(__func__, sz, RTE_CACHE_LINE_SIZE,
 838                         socket)) == NULL) {
 839                 RTE_LOG(ERR, IP_RSMBL, "%s() for lcore: %u, port: %u "
 840                         "failed to allocate %zu bytes\n",
 841                         __func__, lcore, port, sz);
 842                 return -1;
 843         }
 844
 845         mtb->len = n;
 846         qconf->tx_mbufs[port] = mtb;
 847
 848         return 0;
 849 }
 850
 851 static int
 852 setup_queue_tbl(struct rx_queue *rxq, uint32_t lcore, uint32_t queue)
 853 {
 854         int socket;
 855         uint32_t nb_mbuf;
 856         uint64_t frag_cycles;
 857         char buf[RTE_MEMPOOL_NAMESIZE];
 858
 859         socket = rte_lcore_to_socket_id(lcore);
 860         if (socket == SOCKET_ID_ANY)
 861                 socket = 0;
 862
 863         /* Each table entry holds information about packet fragmentation. 8< */
 864         frag_cycles = (rte_get_tsc_hz() + MS_PER_S - 1) / MS_PER_S *
 865                 max_flow_ttl;
 866
 867         if ((rxq->frag_tbl = rte_ip_frag_table_create(max_flow_num,
 868                         IP_FRAG_TBL_BUCKET_ENTRIES, max_flow_num, frag_cycles,
 869                         socket)) == NULL) {
 870                 RTE_LOG(ERR, IP_RSMBL, "ip_frag_tbl_create(%u) on "
 871                         "lcore: %u for queue: %u failed\n",
 872                         max_flow_num, lcore, queue);
 873                 return -1;
 874         }
 875         /* >8 End of holding packet fragmentation. */
 876
 877         /*
 878          * At any given moment up to <max_flow_num * (MAX_FRAG_NUM)>
 879          * mbufs could be stored int the fragment table.
 880          * Plus, each TX queue can hold up to <max_flow_num> packets.
 881          */
 882
 883         /* mbufs stored int the gragment table. 8< */
 884         nb_mbuf = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST) * MAX_FRAG_NUM;
 885         nb_mbuf *= (port_conf.rxmode.max_rx_pkt_len + BUF_SIZE - 1) / BUF_SIZE;
 886         nb_mbuf *= 2; /* ipv4 and ipv6 */
 887         nb_mbuf += nb_rxd + nb_txd;
 888
 889         nb_mbuf = RTE_MAX(nb_mbuf, (uint32_t)NB_MBUF);
 890
 891         snprintf(buf, sizeof(buf), "mbuf_pool_%u_%u", lcore, queue);
 892
 893         rxq->pool = rte_pktmbuf_pool_create(buf, nb_mbuf, MEMPOOL_CACHE_SIZE, 0,
 894                                             MBUF_DATA_SIZE, socket);
 895         if (rxq->pool == NULL) {
 896                 RTE_LOG(ERR, IP_RSMBL,
 897                         "rte_pktmbuf_pool_create(%s) failed", buf);
 898                 return -1;
 899         }
 900         /* >8 End of mbufs stored int the fragmentation table. */
 901
 902         return 0;
 903 }
 904
 905 static int
 906 init_mem(void)
 907 {
 908         char buf[PATH_MAX];
 909         struct rte_lpm *lpm;
 910         struct rte_lpm6 *lpm6;
 911         struct rte_lpm_config lpm_config;
 912         int socket;
 913         unsigned lcore_id;
 914
 915         /* traverse through lcores and initialize structures on each socket */
 916
 917         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 918
 919                 if (rte_lcore_is_enabled(lcore_id) == 0)
 920                         continue;
 921
 922                 socket = rte_lcore_to_socket_id(lcore_id);
 923
 924                 if (socket == SOCKET_ID_ANY)
 925                         socket = 0;
 926
 927                 if (socket_lpm[socket] == NULL) {
 928                         RTE_LOG(INFO, IP_RSMBL, "Creating LPM table on socket %i\n", socket);
 929                         snprintf(buf, sizeof(buf), "IP_RSMBL_LPM_%i", socket);
 930
 931                         lpm_config.max_rules = LPM_MAX_RULES;
 932                         lpm_config.number_tbl8s = 256;
 933                         lpm_config.flags = 0;
 934
 935                         lpm = rte_lpm_create(buf, socket, &lpm_config);
 936                         if (lpm == NULL) {
 937                                 RTE_LOG(ERR, IP_RSMBL, "Cannot create LPM table\n");
 938                                 return -1;
 939                         }
 940                         socket_lpm[socket] = lpm;
 941                 }
 942
 943                 if (socket_lpm6[socket] == NULL) {
 944                         RTE_LOG(INFO, IP_RSMBL, "Creating LPM6 table on socket %i\n", socket);
 945                         snprintf(buf, sizeof(buf), "IP_RSMBL_LPM_%i", socket);
 946
 947                         lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
 948                         if (lpm6 == NULL) {
 949                                 RTE_LOG(ERR, IP_RSMBL, "Cannot create LPM table\n");
 950                                 return -1;
 951                         }
 952                         socket_lpm6[socket] = lpm6;
 953                 }
 954         }
 955
 956         return 0;
 957 }
 958
 959 static void
 960 queue_dump_stat(void)
 961 {
 962         uint32_t i, lcore;
 963         const struct lcore_queue_conf *qconf;
 964
 965         for (lcore = 0; lcore < RTE_MAX_LCORE; lcore++) {
 966                 if (rte_lcore_is_enabled(lcore) == 0)
 967                         continue;
 968
 969                 qconf = &lcore_queue_conf[lcore];
 970                 for (i = 0; i < qconf->n_rx_queue; i++) {
 971
 972                         fprintf(stdout, " -- lcoreid=%u portid=%u "
 973                                 "frag tbl stat:\n",
 974                                 lcore,  qconf->rx_queue_list[i].portid);
 975                         rte_ip_frag_table_statistics_dump(stdout,
 976                                         qconf->rx_queue_list[i].frag_tbl);
 977                         fprintf(stdout, "TX bursts:\t%" PRIu64 "\n"
 978                                 "TX packets _queued:\t%" PRIu64 "\n"
 979                                 "TX packets dropped:\t%" PRIu64 "\n"
 980                                 "TX packets send:\t%" PRIu64 "\n",
 981                                 qconf->tx_stat.call,
 982                                 qconf->tx_stat.queue,
 983                                 qconf->tx_stat.drop,
 984                                 qconf->tx_stat.send);
 985                 }
 986         }
 987 }
 988
 989 static void
 990 signal_handler(int signum)
 991 {
 992         queue_dump_stat();
 993         if (signum != SIGUSR1)
 994                 rte_exit(0, "received signal: %d, exiting\n", signum);
 995 }
 996
 997 int
 998 main(int argc, char **argv)
 999 {
1000         struct lcore_queue_conf *qconf;
1001         struct rte_eth_dev_info dev_info;
1002         struct rte_eth_txconf *txconf;
1003         struct rx_queue *rxq;
1004         int ret, socket;
1005         unsigned nb_ports;
1006         uint16_t queueid;
1007         unsigned lcore_id = 0, rx_lcore_id = 0;
1008         uint32_t n_tx_queue, nb_lcores;
1009         uint16_t portid;
1010
1011         /* init EAL */
1012         ret = rte_eal_init(argc, argv);
1013         if (ret < 0)
1014                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1015         argc -= ret;
1016         argv += ret;
1017
1018         /* parse application arguments (after the EAL ones) */
1019         ret = parse_args(argc, argv);
1020         if (ret < 0)
1021                 rte_exit(EXIT_FAILURE, "Invalid IP reassembly parameters\n");
1022
1023         nb_ports = rte_eth_dev_count_avail();
1024         if (nb_ports == 0)
1025                 rte_exit(EXIT_FAILURE, "No ports found!\n");
1026
1027         nb_lcores = rte_lcore_count();
1028
1029         /* initialize structures (mempools, lpm etc.) */
1030         if (init_mem() < 0)
1031                 rte_panic("Cannot initialize memory structures!\n");
1032
1033         /* check if portmask has non-existent ports */
1034         if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
1035                 rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
1036
1037         /* initialize all ports */
1038         RTE_ETH_FOREACH_DEV(portid) {
1039                 struct rte_eth_rxconf rxq_conf;
1040                 struct rte_eth_conf local_port_conf = port_conf;
1041
1042                 /* skip ports that are not enabled */
1043                 if ((enabled_port_mask & (1 << portid)) == 0) {
1044                         printf("\nSkipping disabled port %d\n", portid);
1045                         continue;
1046                 }
1047
1048                 qconf = &lcore_queue_conf[rx_lcore_id];
1049
1050                 /* limit the frame size to the maximum supported by NIC */
1051                 ret = rte_eth_dev_info_get(portid, &dev_info);
1052                 if (ret != 0)
1053                         rte_exit(EXIT_FAILURE,
1054                                 "Error during getting device (port %u) info: %s\n",
1055                                 portid, strerror(-ret));
1056
1057                 local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
1058                     dev_info.max_rx_pktlen,
1059                     local_port_conf.rxmode.max_rx_pkt_len);
1060
1061                 /* get the lcore_id for this port */
1062                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1063                            qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
1064
1065                         rx_lcore_id++;
1066                         if (rx_lcore_id >= RTE_MAX_LCORE)
1067                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
1068
1069                         qconf = &lcore_queue_conf[rx_lcore_id];
1070                 }
1071
1072                 socket = rte_lcore_to_socket_id(portid);
1073                 if (socket == SOCKET_ID_ANY)
1074                         socket = 0;
1075
1076                 queueid = qconf->n_rx_queue;
1077                 rxq = &qconf->rx_queue_list[queueid];
1078                 rxq->portid = portid;
1079                 rxq->lpm = socket_lpm[socket];
1080                 rxq->lpm6 = socket_lpm6[socket];
1081
1082                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1083                                                        &nb_txd);
1084                 if (ret < 0)
1085                         rte_exit(EXIT_FAILURE,
1086                                  "Cannot adjust number of descriptors: err=%d, port=%d\n",
1087                                  ret, portid);
1088
1089                 if (setup_queue_tbl(rxq, rx_lcore_id, queueid) < 0)
1090                         rte_exit(EXIT_FAILURE, "Failed to set up queue table\n");
1091                 qconf->n_rx_queue++;
1092
1093                 /* init port */
1094                 printf("Initializing port %d ... ", portid );
1095                 fflush(stdout);
1096
1097                 n_tx_queue = nb_lcores;
1098                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1099                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1100                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1101                         local_port_conf.txmode.offloads |=
1102                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1103
1104                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1105                         dev_info.flow_type_rss_offloads;
1106                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1107                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
1108                         printf("Port %u modified RSS hash function based on hardware support,"
1109                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
1110                                 portid,
1111                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
1112                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1113                 }
1114
1115                 ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
1116                                             &local_port_conf);
1117                 if (ret < 0) {
1118                         printf("\n");
1119                         rte_exit(EXIT_FAILURE, "Cannot configure device: "
1120                                 "err=%d, port=%d\n",
1121                                 ret, portid);
1122                 }
1123
1124                 /* init one RX queue */
1125                 rxq_conf = dev_info.default_rxconf;
1126                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
1127                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1128                                              socket, &rxq_conf,
1129                                              rxq->pool);
1130                 if (ret < 0) {
1131                         printf("\n");
1132                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
1133                                 "err=%d, port=%d\n",
1134                                 ret, portid);
1135                 }
1136
1137                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1138                 if (ret < 0) {
1139                         printf("\n");
1140                         rte_exit(EXIT_FAILURE,
1141                                 "rte_eth_macaddr_get: err=%d, port=%d\n",
1142                                 ret, portid);
1143                 }
1144
1145                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1146                 printf("\n");
1147
1148                 /* init one TX queue per couple (lcore,port) */
1149                 queueid = 0;
1150                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1151                         if (rte_lcore_is_enabled(lcore_id) == 0)
1152                                 continue;
1153
1154                         socket = (int) rte_lcore_to_socket_id(lcore_id);
1155
1156                         printf("txq=%u,%d,%d ", lcore_id, queueid, socket);
1157                         fflush(stdout);
1158
1159                         txconf = &dev_info.default_txconf;
1160                         txconf->offloads = local_port_conf.txmode.offloads;
1161
1162                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1163                                         socket, txconf);
1164                         if (ret < 0)
1165                                 rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
1166                                         "port=%d\n", ret, portid);
1167
1168                         qconf = &lcore_queue_conf[lcore_id];
1169                         qconf->tx_queue_id[portid] = queueid;
1170                         setup_port_tbl(qconf, lcore_id, socket, portid);
1171                         queueid++;
1172                 }
1173                 printf("\n");
1174         }
1175
1176         printf("\n");
1177
1178         /* start ports */
1179         RTE_ETH_FOREACH_DEV(portid) {
1180                 if ((enabled_port_mask & (1 << portid)) == 0) {
1181                         continue;
1182                 }
1183                 /* Start device */
1184                 ret = rte_eth_dev_start(portid);
1185                 if (ret < 0)
1186                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
1187                                 ret, portid);
1188
1189                 ret = rte_eth_promiscuous_enable(portid);
1190                 if (ret != 0)
1191                         rte_exit(EXIT_FAILURE,
1192                                 "rte_eth_promiscuous_enable: err=%s, port=%d\n",
1193                                 rte_strerror(-ret), portid);
1194         }
1195
1196         if (init_routing_table() < 0)
1197                 rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
1198
1199         check_all_ports_link_status(enabled_port_mask);
1200
1201         signal(SIGUSR1, signal_handler);
1202         signal(SIGTERM, signal_handler);
1203         signal(SIGINT, signal_handler);
1204
1205         /* launch per-lcore init on every lcore */
1206         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MAIN);
1207         RTE_LCORE_FOREACH_WORKER(lcore_id) {
1208                 if (rte_eal_wait_lcore(lcore_id) < 0)
1209                         return -1;
1210         }
1211
1212         /* clean up the EAL */
1213         rte_eal_cleanup();
1214
1215         return 0;
1216 }