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