examples/dpdk_qat/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 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
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_memory.h>
  49 #include <rte_memzone.h>
  50 #include <rte_tailq.h>
  51 #include <rte_eal.h>
  52 #include <rte_per_lcore.h>
  53 #include <rte_launch.h>
  54 #include <rte_atomic.h>
  55 #include <rte_cycles.h>
  56 #include <rte_prefetch.h>
  57 #include <rte_lcore.h>
  58 #include <rte_per_lcore.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_pci.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_ring.h>
  67 #include <rte_mempool.h>
  68 #include <rte_mbuf.h>
  69 #include <rte_ip.h>
  70 #include <rte_string_fns.h>
  71
  72 #include "main.h"
  73 #include "crypto.h"
  74
  75 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
  76 #define NB_MBUF   (32 * 1024)
  77
  78 #define MAX_PKT_BURST 32
  79 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  80
  81 #define TX_QUEUE_FLUSH_MASK 0xFFFFFFFF
  82 #define TSC_COUNT_LIMIT 1000
  83
  84 #define ACTION_ENCRYPT 1
  85 #define ACTION_DECRYPT 2
  86
  87 /*
  88  * Configurable number of RX/TX ring descriptors
  89  */
  90 #define RTE_TEST_RX_DESC_DEFAULT 128
  91 #define RTE_TEST_TX_DESC_DEFAULT 512
  92 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  93 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  94
  95 /* ethernet addresses of ports */
  96 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
  97
  98 /* mask of enabled ports */
  99 static unsigned enabled_port_mask = 0;
 100 static int promiscuous_on = 1; /**< Ports set in promiscuous mode on by default. */
 101
 102 /* list of enabled ports */
 103 static uint32_t dst_ports[RTE_MAX_ETHPORTS];
 104
 105 struct mbuf_table {
 106         uint16_t len;
 107         struct rte_mbuf *m_table[MAX_PKT_BURST];
 108 };
 109
 110 struct lcore_rx_queue {
 111         uint8_t port_id;
 112         uint8_t queue_id;
 113 };
 114
 115 #define MAX_RX_QUEUE_PER_LCORE 16
 116
 117 #define MAX_LCORE_PARAMS 1024
 118 struct lcore_params {
 119         uint8_t port_id;
 120         uint8_t queue_id;
 121         uint8_t lcore_id;
 122 };
 123
 124 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 125 static struct lcore_params lcore_params_array_default[] = {
 126         {0, 0, 2},
 127         {0, 1, 2},
 128         {0, 2, 2},
 129         {1, 0, 2},
 130         {1, 1, 2},
 131         {1, 2, 2},
 132         {2, 0, 2},
 133         {3, 0, 3},
 134         {3, 1, 3},
 135 };
 136
 137 static struct lcore_params * lcore_params = lcore_params_array_default;
 138 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 139                                 sizeof(lcore_params_array_default[0]);
 140
 141 static struct rte_eth_conf port_conf = {
 142         .rxmode = {
 143                 .mq_mode        = ETH_MQ_RX_RSS,
 144                 .split_hdr_size = 0,
 145                 .header_split   = 0, /**< Header Split disabled */
 146                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 147                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 148                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 149                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 150         },
 151         .rx_adv_conf = {
 152                 .rss_conf = {
 153                         .rss_key = NULL,
 154                         .rss_hf = ETH_RSS_IP,
 155                 },
 156         },
 157         .txmode = {
 158                 .mq_mode = ETH_MQ_TX_NONE,
 159         },
 160 };
 161
 162 static struct rte_mempool * pktmbuf_pool[RTE_MAX_NUMA_NODES];
 163
 164 struct lcore_conf {
 165         uint64_t tsc;
 166         uint64_t tsc_count;
 167         uint32_t tx_mask;
 168         uint16_t n_rx_queue;
 169         uint16_t rx_queue_list_pos;
 170         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 171         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 172         struct mbuf_table rx_mbuf;
 173         uint32_t rx_mbuf_pos;
 174         uint32_t rx_curr_queue;
 175         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 176 } __rte_cache_aligned;
 177
 178 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
 179
 180 static inline struct rte_mbuf *
 181 nic_rx_get_packet(struct lcore_conf *qconf)
 182 {
 183         struct rte_mbuf *pkt;
 184
 185         if (unlikely(qconf->n_rx_queue == 0))
 186                 return NULL;
 187
 188         /* Look for the next queue with packets; return if none */
 189         if (unlikely(qconf->rx_mbuf_pos == qconf->rx_mbuf.len)) {
 190                 uint32_t i;
 191
 192                 qconf->rx_mbuf_pos = 0;
 193                 for (i = 0; i < qconf->n_rx_queue; i++) {
 194                         qconf->rx_mbuf.len = rte_eth_rx_burst(
 195                                 qconf->rx_queue_list[qconf->rx_curr_queue].port_id,
 196                                 qconf->rx_queue_list[qconf->rx_curr_queue].queue_id,
 197                                 qconf->rx_mbuf.m_table, MAX_PKT_BURST);
 198
 199                         qconf->rx_curr_queue++;
 200                         if (unlikely(qconf->rx_curr_queue == qconf->n_rx_queue))
 201                                 qconf->rx_curr_queue = 0;
 202                         if (likely(qconf->rx_mbuf.len > 0))
 203                                 break;
 204                 }
 205                 if (unlikely(i == qconf->n_rx_queue))
 206                         return NULL;
 207         }
 208
 209         /* Get the next packet from the current queue; if last packet, go to next queue */
 210         pkt = qconf->rx_mbuf.m_table[qconf->rx_mbuf_pos];
 211         qconf->rx_mbuf_pos++;
 212
 213         return pkt;
 214 }
 215
 216 static inline void
 217 nic_tx_flush_queues(struct lcore_conf *qconf)
 218 {
 219         uint8_t portid;
 220
 221         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 222                 struct rte_mbuf **m_table = NULL;
 223                 uint16_t queueid, len;
 224                 uint32_t n, i;
 225
 226                 if (likely((qconf->tx_mask & (1 << portid)) == 0))
 227                         continue;
 228
 229                 len = qconf->tx_mbufs[portid].len;
 230                 if (likely(len == 0))
 231                         continue;
 232
 233                 queueid = qconf->tx_queue_id[portid];
 234                 m_table = qconf->tx_mbufs[portid].m_table;
 235
 236                 n = rte_eth_tx_burst(portid, queueid, m_table, len);
 237                 for (i = n; i < len; i++){
 238                         rte_pktmbuf_free(m_table[i]);
 239                 }
 240
 241                 qconf->tx_mbufs[portid].len = 0;
 242         }
 243
 244         qconf->tx_mask = TX_QUEUE_FLUSH_MASK;
 245 }
 246
 247 static inline void
 248 nic_tx_send_packet(struct rte_mbuf *pkt, uint8_t port)
 249 {
 250         struct lcore_conf *qconf;
 251         uint32_t lcoreid;
 252         uint16_t len;
 253
 254         if (unlikely(pkt == NULL)) {
 255                 return;
 256         }
 257
 258         lcoreid = rte_lcore_id();
 259         qconf = &lcore_conf[lcoreid];
 260
 261         len = qconf->tx_mbufs[port].len;
 262         qconf->tx_mbufs[port].m_table[len] = pkt;
 263         len++;
 264
 265         /* enough pkts to be sent */
 266         if (unlikely(len == MAX_PKT_BURST)) {
 267                 uint32_t n, i;
 268                 uint16_t queueid;
 269
 270                 queueid = qconf->tx_queue_id[port];
 271                 n = rte_eth_tx_burst(port, queueid, qconf->tx_mbufs[port].m_table, MAX_PKT_BURST);
 272                 for (i = n; i < MAX_PKT_BURST; i++){
 273                         rte_pktmbuf_free(qconf->tx_mbufs[port].m_table[i]);
 274                 }
 275
 276                 qconf->tx_mask &= ~(1 << port);
 277                 len = 0;
 278         }
 279
 280         qconf->tx_mbufs[port].len = len;
 281 }
 282
 283 /* main processing loop */
 284 static __attribute__((noreturn)) int
 285 main_loop(__attribute__((unused)) void *dummy)
 286 {
 287         uint32_t lcoreid;
 288         struct lcore_conf *qconf;
 289         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 290
 291         lcoreid = rte_lcore_id();
 292         qconf = &lcore_conf[lcoreid];
 293
 294         printf("Thread %u starting...\n", lcoreid);
 295
 296         for (;;) {
 297                 struct rte_mbuf *pkt;
 298                 uint32_t pkt_from_nic_rx = 0;
 299                 uint8_t port;
 300
 301                 /* Flush TX queues */
 302                 qconf->tsc_count++;
 303                 if (unlikely(qconf->tsc_count == TSC_COUNT_LIMIT)) {
 304                         uint64_t tsc, diff_tsc;
 305
 306                         tsc = rte_rdtsc();
 307
 308                         diff_tsc = tsc - qconf->tsc;
 309                         if (unlikely(diff_tsc > drain_tsc)) {
 310                                 nic_tx_flush_queues(qconf);
 311                                 crypto_flush_tx_queue(lcoreid);
 312                                 qconf->tsc = tsc;
 313                         }
 314
 315                         qconf->tsc_count = 0;
 316                 }
 317
 318                 /*
 319                  * Check the Intel QuickAssist queues first
 320                  *
 321                  ***/
 322                 pkt = (struct rte_mbuf *) crypto_get_next_response();
 323                 if (pkt == NULL) {
 324                         pkt = nic_rx_get_packet(qconf);
 325                         pkt_from_nic_rx = 1;
 326                 }
 327                 if (pkt == NULL)
 328                         continue;
 329                 /* Send packet to either QAT encrypt, QAT decrypt or NIC TX */
 330                 if (pkt_from_nic_rx) {
 331                         struct ipv4_hdr *ip  = (struct ipv4_hdr *) (rte_pktmbuf_mtod(pkt, unsigned char *) +
 332                                         sizeof(struct ether_hdr));
 333                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_ENCRYPT)) {
 334                                 if (CRYPTO_RESULT_FAIL == crypto_encrypt(pkt,
 335                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 336                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 337                                         rte_pktmbuf_free(pkt);
 338                                 continue;
 339                         }
 340
 341                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_DECRYPT)) {
 342                                 if(CRYPTO_RESULT_FAIL == crypto_decrypt(pkt,
 343                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 344                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 345                                         rte_pktmbuf_free(pkt);
 346                                 continue;
 347                         }
 348                 }
 349
 350                 port = dst_ports[pkt->port];
 351
 352                 /* Transmit the packet */
 353                 nic_tx_send_packet(pkt, (uint8_t)port);
 354         }
 355 }
 356
 357 static inline unsigned
 358 get_port_max_rx_queues(uint8_t port_id)
 359 {
 360         struct rte_eth_dev_info dev_info;
 361
 362         rte_eth_dev_info_get(port_id, &dev_info);
 363         return dev_info.max_rx_queues;
 364 }
 365
 366 static inline unsigned
 367 get_port_max_tx_queues(uint8_t port_id)
 368 {
 369         struct rte_eth_dev_info dev_info;
 370
 371         rte_eth_dev_info_get(port_id, &dev_info);
 372         return dev_info.max_tx_queues;
 373 }
 374
 375 static int
 376 check_lcore_params(void)
 377 {
 378         uint16_t i;
 379
 380         for (i = 0; i < nb_lcore_params; ++i) {
 381                 if (lcore_params[i].queue_id >= get_port_max_rx_queues(lcore_params[i].port_id)) {
 382                         printf("invalid queue number: %hhu\n", lcore_params[i].queue_id);
 383                         return -1;
 384                 }
 385                 if (!rte_lcore_is_enabled(lcore_params[i].lcore_id)) {
 386                         printf("error: lcore %hhu is not enabled in lcore mask\n",
 387                                 lcore_params[i].lcore_id);
 388                         return -1;
 389                 }
 390         }
 391         return 0;
 392 }
 393
 394 static int
 395 check_port_config(const unsigned nb_ports)
 396 {
 397         unsigned portid;
 398         uint16_t i;
 399
 400         for (i = 0; i < nb_lcore_params; ++i) {
 401                 portid = lcore_params[i].port_id;
 402                 if ((enabled_port_mask & (1 << portid)) == 0) {
 403                         printf("port %u is not enabled in port mask\n", portid);
 404                         return -1;
 405                 }
 406                 if (portid >= nb_ports) {
 407                         printf("port %u is not present on the board\n", portid);
 408                         return -1;
 409                 }
 410         }
 411         return 0;
 412 }
 413
 414 static uint8_t
 415 get_port_n_rx_queues(const uint8_t port)
 416 {
 417         int queue = -1;
 418         uint16_t i;
 419
 420         for (i = 0; i < nb_lcore_params; ++i) {
 421                 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
 422                         queue = lcore_params[i].queue_id;
 423         }
 424         return (uint8_t)(++queue);
 425 }
 426
 427 static int
 428 init_lcore_rx_queues(void)
 429 {
 430         uint16_t i, nb_rx_queue;
 431         uint8_t lcore;
 432
 433         for (i = 0; i < nb_lcore_params; ++i) {
 434                 lcore = lcore_params[i].lcore_id;
 435                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 436                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 437                         printf("error: too many queues (%u) for lcore: %u\n",
 438                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 439                         return -1;
 440                 }
 441                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 442                         lcore_params[i].port_id;
 443                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 444                         lcore_params[i].queue_id;
 445                 lcore_conf[lcore].n_rx_queue++;
 446         }
 447         return 0;
 448 }
 449
 450 /* display usage */
 451 static void
 452 print_usage(const char *prgname)
 453 {
 454         printf ("%s [EAL options] -- -p PORTMASK [--no-promisc]"
 455                 "  [--config '(port,queue,lcore)[,(port,queue,lcore)]'\n"
 456                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 457                 "  --no-promisc: disable promiscuous mode (default is ON)\n"
 458                 "  --config '(port,queue,lcore)': rx queues configuration\n",
 459                 prgname);
 460 }
 461
 462 static unsigned
 463 parse_portmask(const char *portmask)
 464 {
 465         char *end = NULL;
 466         unsigned pm;
 467
 468         /* parse hexadecimal string */
 469         pm = strtoul(portmask, &end, 16);
 470         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 471                 return 0;
 472
 473         return pm;
 474 }
 475
 476 static int
 477 parse_config(const char *q_arg)
 478 {
 479         char s[256];
 480         const char *p, *p_end = q_arg;
 481         char *end;
 482         enum fieldnames {
 483                 FLD_PORT = 0,
 484                 FLD_QUEUE,
 485                 FLD_LCORE,
 486                 _NUM_FLD
 487         };
 488         unsigned long int_fld[_NUM_FLD];
 489         char *str_fld[_NUM_FLD];
 490         int i;
 491         unsigned size;
 492
 493         nb_lcore_params = 0;
 494
 495         while ((p = strchr(p_end,'(')) != NULL) {
 496                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 497                         printf("exceeded max number of lcore params: %hu\n",
 498                                 nb_lcore_params);
 499                         return -1;
 500                 }
 501                 ++p;
 502                 if((p_end = strchr(p,')')) == NULL)
 503                         return -1;
 504
 505                 size = p_end - p;
 506                 if(size >= sizeof(s))
 507                         return -1;
 508
 509                 snprintf(s, sizeof(s), "%.*s", size, p);
 510                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 511                         return -1;
 512                 for (i = 0; i < _NUM_FLD; i++) {
 513                         errno = 0;
 514                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 515                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 516                                 return -1;
 517                 }
 518                 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
 519                 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
 520                 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
 521                 ++nb_lcore_params;
 522         }
 523         lcore_params = lcore_params_array;
 524         return 0;
 525 }
 526
 527 /* Parse the argument given in the command line of the application */
 528 static int
 529 parse_args(int argc, char **argv)
 530 {
 531         int opt, ret;
 532         char **argvopt;
 533         int option_index;
 534         char *prgname = argv[0];
 535         static struct option lgopts[] = {
 536                 {"config", 1, 0, 0},
 537                 {"no-promisc", 0, 0, 0},
 538                 {NULL, 0, 0, 0}
 539         };
 540
 541         argvopt = argv;
 542
 543         while ((opt = getopt_long(argc, argvopt, "p:",
 544                                 lgopts, &option_index)) != EOF) {
 545
 546                 switch (opt) {
 547                 /* portmask */
 548                 case 'p':
 549                         enabled_port_mask = parse_portmask(optarg);
 550                         if (enabled_port_mask == 0) {
 551                                 printf("invalid portmask\n");
 552                                 print_usage(prgname);
 553                                 return -1;
 554                         }
 555                         break;
 556
 557                 /* long options */
 558                 case 0:
 559                         if (strcmp(lgopts[option_index].name, "config") == 0) {
 560                                 ret = parse_config(optarg);
 561                                 if (ret) {
 562                                         printf("invalid config\n");
 563                                         print_usage(prgname);
 564                                         return -1;
 565                                 }
 566                         }
 567                         if (strcmp(lgopts[option_index].name, "no-promisc") == 0) {
 568                                 printf("Promiscuous mode disabled\n");
 569                                 promiscuous_on = 0;
 570                         }
 571                         break;
 572                 default:
 573                         print_usage(prgname);
 574                         return -1;
 575                 }
 576         }
 577
 578         if (enabled_port_mask == 0) {
 579                 printf("portmask not specified\n");
 580                 print_usage(prgname);
 581                 return -1;
 582         }
 583
 584         if (optind >= 0)
 585                 argv[optind-1] = prgname;
 586
 587         ret = optind-1;
 588         optind = 0; /* reset getopt lib */
 589         return ret;
 590 }
 591
 592 static void
 593 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 594 {
 595         char buf[ETHER_ADDR_FMT_SIZE];
 596         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
 597         printf("%s%s", name, buf);
 598 }
 599
 600 static int
 601 init_mem(void)
 602 {
 603         const unsigned flags = 0;
 604         int socketid;
 605         unsigned lcoreid;
 606         char s[64];
 607
 608         RTE_LCORE_FOREACH(lcoreid) {
 609                 socketid = rte_lcore_to_socket_id(lcoreid);
 610                 if (socketid >= RTE_MAX_NUMA_NODES) {
 611                         printf("Socket %d of lcore %u is out of range %d\n",
 612                                 socketid, lcoreid, RTE_MAX_NUMA_NODES);
 613                         return -1;
 614                 }
 615                 if (pktmbuf_pool[socketid] == NULL) {
 616                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
 617                         pktmbuf_pool[socketid] =
 618                                 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
 619                                         sizeof(struct rte_pktmbuf_pool_private),
 620                                         rte_pktmbuf_pool_init, NULL,
 621                                         rte_pktmbuf_init, NULL,
 622                                         socketid, flags);
 623                         if (pktmbuf_pool[socketid] == NULL) {
 624                                 printf("Cannot init mbuf pool on socket %d\n", socketid);
 625                                 return -1;
 626                         }
 627                         printf("Allocated mbuf pool on socket %d\n", socketid);
 628                 }
 629         }
 630         return 0;
 631 }
 632
 633 int
 634 MAIN(int argc, char **argv)
 635 {
 636         struct lcore_conf *qconf;
 637         struct rte_eth_link link;
 638         int ret;
 639         unsigned nb_ports;
 640         uint16_t queueid;
 641         unsigned lcoreid;
 642         uint32_t nb_tx_queue;
 643         uint8_t portid, nb_rx_queue, queue, socketid, last_port;
 644         unsigned nb_ports_in_mask = 0;
 645
 646         /* init EAL */
 647         ret = rte_eal_init(argc, argv);
 648         if (ret < 0)
 649                 return -1;
 650         argc -= ret;
 651         argv += ret;
 652
 653         /* parse application arguments (after the EAL ones) */
 654         ret = parse_args(argc, argv);
 655         if (ret < 0)
 656                 return -1;
 657
 658         if (check_lcore_params() < 0)
 659                 rte_panic("check_lcore_params failed\n");
 660
 661         ret = init_lcore_rx_queues();
 662         if (ret < 0)
 663                 return -1;
 664
 665         ret = init_mem();
 666         if (ret < 0)
 667                 return -1;
 668
 669         nb_ports = rte_eth_dev_count();
 670         if (nb_ports > RTE_MAX_ETHPORTS)
 671                 nb_ports = RTE_MAX_ETHPORTS;
 672
 673         if (check_port_config(nb_ports) < 0)
 674                 rte_panic("check_port_config failed\n");
 675
 676         /* reset dst_ports */
 677         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
 678                 dst_ports[portid] = 0;
 679         last_port = 0;
 680
 681         /*
 682          * Each logical core is assigned a dedicated TX queue on each port.
 683          */
 684         for (portid = 0; portid < nb_ports; portid++) {
 685                 /* skip ports that are not enabled */
 686                 if ((enabled_port_mask & (1 << portid)) == 0)
 687                         continue;
 688
 689                 if (nb_ports_in_mask % 2) {
 690                         dst_ports[portid] = last_port;
 691                         dst_ports[last_port] = portid;
 692                 }
 693                 else
 694                         last_port = portid;
 695
 696                 nb_ports_in_mask++;
 697         }
 698         if (nb_ports_in_mask % 2) {
 699                 printf("Notice: odd number of ports in portmask.\n");
 700                 dst_ports[last_port] = last_port;
 701         }
 702
 703         /* initialize all ports */
 704         for (portid = 0; portid < nb_ports; portid++) {
 705                 /* skip ports that are not enabled */
 706                 if ((enabled_port_mask & (1 << portid)) == 0) {
 707                         printf("\nSkipping disabled port %d\n", portid);
 708                         continue;
 709                 }
 710
 711                 /* init port */
 712                 printf("Initializing port %d ... ", portid );
 713                 fflush(stdout);
 714
 715                 nb_rx_queue = get_port_n_rx_queues(portid);
 716                 if (nb_rx_queue > get_port_max_rx_queues(portid))
 717                         rte_panic("Number of rx queues %d exceeds max number of rx queues %u"
 718                                 " for port %d\n", nb_rx_queue, get_port_max_rx_queues(portid),
 719                                 portid);
 720                 nb_tx_queue = rte_lcore_count();
 721                 if (nb_tx_queue > get_port_max_tx_queues(portid))
 722                         rte_panic("Number of lcores %u exceeds max number of tx queues %u"
 723                                 " for port %d\n", nb_tx_queue, get_port_max_tx_queues(portid),
 724                                 portid);
 725                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 726                         nb_rx_queue, (unsigned)nb_tx_queue );
 727                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 728                                         (uint16_t)nb_tx_queue, &port_conf);
 729                 if (ret < 0)
 730                         rte_panic("Cannot configure device: err=%d, port=%d\n",
 731                                 ret, portid);
 732
 733                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 734                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 735                 printf(", ");
 736
 737                 /* init one TX queue per couple (lcore,port) */
 738                 queueid = 0;
 739                 RTE_LCORE_FOREACH(lcoreid) {
 740                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 741                         printf("txq=%u,%d,%d ", lcoreid, queueid, socketid);
 742                         fflush(stdout);
 743                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 744                                         socketid,
 745                                         NULL);
 746                         if (ret < 0)
 747                                 rte_panic("rte_eth_tx_queue_setup: err=%d, "
 748                                         "port=%d\n", ret, portid);
 749
 750                         qconf = &lcore_conf[lcoreid];
 751                         qconf->tx_queue_id[portid] = queueid;
 752                         queueid++;
 753                 }
 754                 printf("\n");
 755         }
 756
 757         RTE_LCORE_FOREACH(lcoreid) {
 758                 qconf = &lcore_conf[lcoreid];
 759                 printf("\nInitializing rx queues on lcore %u ... ", lcoreid );
 760                 fflush(stdout);
 761                 /* init RX queues */
 762                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
 763                         portid = qconf->rx_queue_list[queue].port_id;
 764                         queueid = qconf->rx_queue_list[queue].queue_id;
 765                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 766                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 767                         fflush(stdout);
 768
 769                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
 770                                         socketid,
 771                                         NULL,
 772                                         pktmbuf_pool[socketid]);
 773                         if (ret < 0)
 774                                 rte_panic("rte_eth_rx_queue_setup: err=%d,"
 775                                                 "port=%d\n", ret, portid);
 776                 }
 777         }
 778
 779         printf("\n");
 780
 781         /* start ports */
 782         for (portid = 0; portid < nb_ports; portid++) {
 783                 if ((enabled_port_mask & (1 << portid)) == 0)
 784                         continue;
 785                 /* Start device */
 786                 ret = rte_eth_dev_start(portid);
 787                 if (ret < 0)
 788                         rte_panic("rte_eth_dev_start: err=%d, port=%d\n",
 789                                 ret, portid);
 790
 791                 printf("done: Port %d ", portid);
 792
 793                 /* get link status */
 794                 rte_eth_link_get(portid, &link);
 795                 if (link.link_status)
 796                         printf(" Link Up - speed %u Mbps - %s\n",
 797                                (unsigned) link.link_speed,
 798                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 799                                ("full-duplex") : ("half-duplex\n"));
 800                 else
 801                         printf(" Link Down\n");
 802                 /*
 803                  * If enabled, put device in promiscuous mode.
 804                  * This allows IO forwarding mode to forward packets
 805                  * to itself through 2 cross-connected  ports of the
 806                  * target machine.
 807                  */
 808                 if (promiscuous_on)
 809                         rte_eth_promiscuous_enable(portid);
 810         }
 811         printf("Crypto: Initializing Crypto...\n");
 812         if (crypto_init() != 0)
 813                 return -1;
 814
 815         RTE_LCORE_FOREACH(lcoreid) {
 816                 if (per_core_crypto_init(lcoreid) != 0) {
 817                 printf("Crypto: Cannot init lcore crypto on lcore %u\n", (unsigned)lcoreid);
 818                         return -1;
 819                 }
 820         }
 821         printf("Crypto: Initialization complete\n");
 822         /* launch per-lcore init on every lcore */
 823         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
 824         RTE_LCORE_FOREACH_SLAVE(lcoreid) {
 825                 if (rte_eal_wait_lcore(lcoreid) < 0)
 826                         return -1;
 827         }
 828
 829         return 0;
 830 }