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