examples/dpdk_qat/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2013 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 /*
  79  * RX and TX Prefetch, Host, and Write-back threshold values should be
  80  * carefully set for optimal performance. Consult the network
  81  * controller's datasheet and supporting DPDK documentation for guidance
  82  * on how these parameters should be set.
  83  */
  84 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
  85 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
  86 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
  87
  88 /*
  89  * These default values are optimized for use with the Intel(R) 82599 10 GbE
  90  * Controller and the DPDK ixgbe PMD. Consider using other values for other
  91  * network controllers and/or network drivers.
  92  */
  93 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
  94 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
  95 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
  96
  97 #define MAX_PKT_BURST 32
  98 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  99
 100 #define TX_QUEUE_FLUSH_MASK 0xFFFFFFFF
 101 #define TSC_COUNT_LIMIT 1000
 102
 103 #define ACTION_ENCRYPT 1
 104 #define ACTION_DECRYPT 2
 105
 106 /*
 107  * Configurable number of RX/TX ring descriptors
 108  */
 109 #define RTE_TEST_RX_DESC_DEFAULT 128
 110 #define RTE_TEST_TX_DESC_DEFAULT 512
 111 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 112 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 113
 114 /* ethernet addresses of ports */
 115 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 116
 117 /* mask of enabled ports */
 118 static unsigned enabled_port_mask = 0;
 119 static int promiscuous_on = 1; /**< Ports set in promiscuous mode on by default. */
 120
 121 /* list of enabled ports */
 122 static uint32_t dst_ports[RTE_MAX_ETHPORTS];
 123
 124 struct mbuf_table {
 125         uint16_t len;
 126         struct rte_mbuf *m_table[MAX_PKT_BURST];
 127 };
 128
 129 struct lcore_rx_queue {
 130         uint8_t port_id;
 131         uint8_t queue_id;
 132 };
 133
 134 #define MAX_RX_QUEUE_PER_LCORE 16
 135
 136 #define MAX_LCORE_PARAMS 1024
 137 struct lcore_params {
 138         uint8_t port_id;
 139         uint8_t queue_id;
 140         uint8_t lcore_id;
 141 };
 142
 143 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 144 static struct lcore_params lcore_params_array_default[] = {
 145         {0, 0, 2},
 146         {0, 1, 2},
 147         {0, 2, 2},
 148         {1, 0, 2},
 149         {1, 1, 2},
 150         {1, 2, 2},
 151         {2, 0, 2},
 152         {3, 0, 3},
 153         {3, 1, 3},
 154 };
 155
 156 static struct lcore_params * lcore_params = lcore_params_array_default;
 157 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 158                                 sizeof(lcore_params_array_default[0]);
 159
 160 static struct rte_eth_conf port_conf = {
 161         .rxmode = {
 162                 .split_hdr_size = 0,
 163                 .header_split   = 0, /**< Header Split disabled */
 164                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 165                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 166                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 167                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 168         },
 169         .rx_adv_conf = {
 170                 .rss_conf = {
 171                         .rss_key = NULL,
 172                         .rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6,
 173                 },
 174         },
 175         .txmode = {
 176                 .mq_mode = ETH_MQ_TX_NONE,
 177         },
 178 };
 179
 180 static const struct rte_eth_rxconf rx_conf = {
 181         .rx_thresh = {
 182                 .pthresh = RX_PTHRESH,
 183                 .hthresh = RX_HTHRESH,
 184                 .wthresh = RX_WTHRESH,
 185         },
 186 };
 187
 188 static const struct rte_eth_txconf tx_conf = {
 189         .tx_thresh = {
 190                 .pthresh = TX_PTHRESH,
 191                 .hthresh = TX_HTHRESH,
 192                 .wthresh = TX_WTHRESH,
 193         },
 194         .tx_free_thresh = 0, /* Use PMD default values */
 195         .tx_rs_thresh = 0, /* Use PMD default values */
 196 };
 197
 198 static struct rte_mempool * pktmbuf_pool[RTE_MAX_NUMA_NODES];
 199
 200 struct lcore_conf {
 201         uint64_t tsc;
 202         uint64_t tsc_count;
 203         uint32_t tx_mask;
 204         uint16_t n_rx_queue;
 205         uint16_t rx_queue_list_pos;
 206         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 207         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 208         struct mbuf_table rx_mbuf;
 209         uint32_t rx_mbuf_pos;
 210         uint32_t rx_curr_queue;
 211         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 212 } __rte_cache_aligned;
 213
 214 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
 215
 216 static inline struct rte_mbuf *
 217 nic_rx_get_packet(struct lcore_conf *qconf)
 218 {
 219         struct rte_mbuf *pkt;
 220
 221         if (unlikely(qconf->n_rx_queue == 0))
 222                 return NULL;
 223
 224         /* Look for the next queue with packets; return if none */
 225         if (unlikely(qconf->rx_mbuf_pos == qconf->rx_mbuf.len)) {
 226                 uint32_t i;
 227
 228                 qconf->rx_mbuf_pos = 0;
 229                 for (i = 0; i < qconf->n_rx_queue; i++) {
 230                         qconf->rx_mbuf.len = rte_eth_rx_burst(
 231                                 qconf->rx_queue_list[qconf->rx_curr_queue].port_id,
 232                                 qconf->rx_queue_list[qconf->rx_curr_queue].queue_id,
 233                                 qconf->rx_mbuf.m_table, MAX_PKT_BURST);
 234
 235                         qconf->rx_curr_queue++;
 236                         if (unlikely(qconf->rx_curr_queue == qconf->n_rx_queue))
 237                                 qconf->rx_curr_queue = 0;
 238                         if (likely(qconf->rx_mbuf.len > 0))
 239                                 break;
 240                 }
 241                 if (unlikely(i == qconf->n_rx_queue))
 242                         return NULL;
 243         }
 244
 245         /* Get the next packet from the current queue; if last packet, go to next queue */
 246         pkt = qconf->rx_mbuf.m_table[qconf->rx_mbuf_pos];
 247         qconf->rx_mbuf_pos++;
 248
 249         return pkt;
 250 }
 251
 252 static inline void
 253 nic_tx_flush_queues(struct lcore_conf *qconf)
 254 {
 255         uint8_t portid;
 256
 257         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 258                 struct rte_mbuf **m_table = NULL;
 259                 uint16_t queueid, len;
 260                 uint32_t n, i;
 261
 262                 if (likely((qconf->tx_mask & (1 << portid)) == 0))
 263                         continue;
 264
 265                 len = qconf->tx_mbufs[portid].len;
 266                 if (likely(len == 0))
 267                         continue;
 268
 269                 queueid = qconf->tx_queue_id[portid];
 270                 m_table = qconf->tx_mbufs[portid].m_table;
 271
 272                 n = rte_eth_tx_burst(portid, queueid, m_table, len);
 273                 for (i = n; i < len; i++){
 274                         rte_pktmbuf_free(m_table[i]);
 275                 }
 276
 277                 qconf->tx_mbufs[portid].len = 0;
 278         }
 279
 280         qconf->tx_mask = TX_QUEUE_FLUSH_MASK;
 281 }
 282
 283 static inline void
 284 nic_tx_send_packet(struct rte_mbuf *pkt, uint8_t port)
 285 {
 286         struct lcore_conf *qconf;
 287         uint32_t lcoreid;
 288         uint16_t len;
 289
 290         if (unlikely(pkt == NULL)) {
 291                 return;
 292         }
 293
 294         lcoreid = rte_lcore_id();
 295         qconf = &lcore_conf[lcoreid];
 296
 297         len = qconf->tx_mbufs[port].len;
 298         qconf->tx_mbufs[port].m_table[len] = pkt;
 299         len++;
 300
 301         /* enough pkts to be sent */
 302         if (unlikely(len == MAX_PKT_BURST)) {
 303                 uint32_t n, i;
 304                 uint16_t queueid;
 305
 306                 queueid = qconf->tx_queue_id[port];
 307                 n = rte_eth_tx_burst(port, queueid, qconf->tx_mbufs[port].m_table, MAX_PKT_BURST);
 308                 for (i = n; i < MAX_PKT_BURST; i++){
 309                         rte_pktmbuf_free(qconf->tx_mbufs[port].m_table[i]);
 310                 }
 311
 312                 qconf->tx_mask &= ~(1 << port);
 313                 len = 0;
 314         }
 315
 316         qconf->tx_mbufs[port].len = len;
 317 }
 318
 319 /* main processing loop */
 320 static __attribute__((noreturn)) int
 321 main_loop(__attribute__((unused)) void *dummy)
 322 {
 323         uint32_t lcoreid;
 324         struct lcore_conf *qconf;
 325         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 326
 327         lcoreid = rte_lcore_id();
 328         qconf = &lcore_conf[lcoreid];
 329
 330         printf("Thread %u starting...\n", lcoreid);
 331
 332         for (;;) {
 333                 struct rte_mbuf *pkt;
 334                 uint32_t pkt_from_nic_rx = 0;
 335                 uint8_t port;
 336
 337                 /* Flush TX queues */
 338                 qconf->tsc_count++;
 339                 if (unlikely(qconf->tsc_count == TSC_COUNT_LIMIT)) {
 340                         uint64_t tsc, diff_tsc;
 341
 342                         tsc = rte_rdtsc();
 343
 344                         diff_tsc = tsc - qconf->tsc;
 345                         if (unlikely(diff_tsc > drain_tsc)) {
 346                                 nic_tx_flush_queues(qconf);
 347                                 crypto_flush_tx_queue(lcoreid);
 348                                 qconf->tsc = tsc;
 349                         }
 350
 351                         qconf->tsc_count = 0;
 352                 }
 353
 354                 /*
 355                  * Check the Intel QuickAssist queues first
 356                  *
 357                  ***/
 358                 pkt = (struct rte_mbuf *) crypto_get_next_response();
 359                 if (pkt == NULL) {
 360                         pkt = nic_rx_get_packet(qconf);
 361                         pkt_from_nic_rx = 1;
 362                 }
 363                 if (pkt == NULL)
 364                         continue;
 365                 /* Send packet to either QAT encrypt, QAT decrypt or NIC TX */
 366                 if (pkt_from_nic_rx) {
 367                         struct ipv4_hdr *ip  = (struct ipv4_hdr *) (rte_pktmbuf_mtod(pkt, unsigned char *) +
 368                                         sizeof(struct ether_hdr));
 369                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_ENCRYPT)) {
 370                                 if (CRYPTO_RESULT_FAIL == crypto_encrypt(pkt,
 371                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 372                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 373                                         rte_pktmbuf_free(pkt);
 374                                 continue;
 375                         }
 376
 377                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_DECRYPT)) {
 378                                 if(CRYPTO_RESULT_FAIL == crypto_decrypt(pkt,
 379                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 380                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 381                                         rte_pktmbuf_free(pkt);
 382                                 continue;
 383                         }
 384                 }
 385
 386                 port = dst_ports[pkt->pkt.in_port];
 387
 388                 /* Transmit the packet */
 389                 nic_tx_send_packet(pkt, (uint8_t)port);
 390         }
 391 }
 392
 393 static inline unsigned
 394 get_port_max_rx_queues(uint8_t port_id)
 395 {
 396         struct rte_eth_dev_info dev_info;
 397
 398         rte_eth_dev_info_get(port_id, &dev_info);
 399         return dev_info.max_rx_queues;
 400 }
 401
 402 static inline unsigned
 403 get_port_max_tx_queues(uint8_t port_id)
 404 {
 405         struct rte_eth_dev_info dev_info;
 406
 407         rte_eth_dev_info_get(port_id, &dev_info);
 408         return dev_info.max_tx_queues;
 409 }
 410
 411 static int
 412 check_lcore_params(void)
 413 {
 414         uint16_t i;
 415
 416         for (i = 0; i < nb_lcore_params; ++i) {
 417                 if (lcore_params[i].queue_id >= get_port_max_rx_queues(lcore_params[i].port_id)) {
 418                         printf("invalid queue number: %hhu\n", lcore_params[i].queue_id);
 419                         return -1;
 420                 }
 421                 if (!rte_lcore_is_enabled(lcore_params[i].lcore_id)) {
 422                         printf("error: lcore %hhu is not enabled in lcore mask\n",
 423                                 lcore_params[i].lcore_id);
 424                         return -1;
 425                 }
 426         }
 427         return 0;
 428 }
 429
 430 static int
 431 check_port_config(const unsigned nb_ports)
 432 {
 433         unsigned portid;
 434         uint16_t i;
 435
 436         for (i = 0; i < nb_lcore_params; ++i) {
 437                 portid = lcore_params[i].port_id;
 438                 if ((enabled_port_mask & (1 << portid)) == 0) {
 439                         printf("port %u is not enabled in port mask\n", portid);
 440                         return -1;
 441                 }
 442                 if (portid >= nb_ports) {
 443                         printf("port %u is not present on the board\n", portid);
 444                         return -1;
 445                 }
 446         }
 447         return 0;
 448 }
 449
 450 static uint8_t
 451 get_port_n_rx_queues(const uint8_t port)
 452 {
 453         int queue = -1;
 454         uint16_t i;
 455
 456         for (i = 0; i < nb_lcore_params; ++i) {
 457                 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
 458                         queue = lcore_params[i].queue_id;
 459         }
 460         return (uint8_t)(++queue);
 461 }
 462
 463 static int
 464 init_lcore_rx_queues(void)
 465 {
 466         uint16_t i, nb_rx_queue;
 467         uint8_t lcore;
 468
 469         for (i = 0; i < nb_lcore_params; ++i) {
 470                 lcore = lcore_params[i].lcore_id;
 471                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 472                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 473                         printf("error: too many queues (%u) for lcore: %u\n",
 474                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 475                         return -1;
 476                 }
 477                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 478                         lcore_params[i].port_id;
 479                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 480                         lcore_params[i].queue_id;
 481                 lcore_conf[lcore].n_rx_queue++;
 482         }
 483         return 0;
 484 }
 485
 486 /* display usage */
 487 static void
 488 print_usage(const char *prgname)
 489 {
 490         printf ("%s [EAL options] -- -p PORTMASK [--no-promisc]"
 491                 "  [--config '(port,queue,lcore)[,(port,queue,lcore)]'\n"
 492                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 493                 "  --no-promisc: disable promiscuous mode (default is ON)\n"
 494                 "  --config '(port,queue,lcore)': rx queues configuration\n",
 495                 prgname);
 496 }
 497
 498 static unsigned
 499 parse_portmask(const char *portmask)
 500 {
 501         char *end = NULL;
 502         unsigned pm;
 503
 504         /* parse hexadecimal string */
 505         pm = strtoul(portmask, &end, 16);
 506         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 507                 return 0;
 508
 509         return pm;
 510 }
 511
 512 static int
 513 parse_config(const char *q_arg)
 514 {
 515         char s[256];
 516         const char *p, *p_end = q_arg;
 517         char *end;
 518         enum fieldnames {
 519                 FLD_PORT = 0,
 520                 FLD_QUEUE,
 521                 FLD_LCORE,
 522                 _NUM_FLD
 523         };
 524         unsigned long int_fld[_NUM_FLD];
 525         char *str_fld[_NUM_FLD];
 526         int i;
 527         unsigned size;
 528
 529         nb_lcore_params = 0;
 530
 531         while ((p = strchr(p_end,'(')) != NULL) {
 532                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 533                         printf("exceeded max number of lcore params: %hu\n",
 534                                 nb_lcore_params);
 535                         return -1;
 536                 }
 537                 ++p;
 538                 if((p_end = strchr(p,')')) == NULL)
 539                         return -1;
 540
 541                 size = p_end - p;
 542                 if(size >= sizeof(s))
 543                         return -1;
 544
 545                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 546                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 547                         return -1;
 548                 for (i = 0; i < _NUM_FLD; i++) {
 549                         errno = 0;
 550                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 551                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 552                                 return -1;
 553                 }
 554                 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
 555                 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
 556                 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
 557                 ++nb_lcore_params;
 558         }
 559         lcore_params = lcore_params_array;
 560         return 0;
 561 }
 562
 563 /* Parse the argument given in the command line of the application */
 564 static int
 565 parse_args(int argc, char **argv)
 566 {
 567         int opt, ret;
 568         char **argvopt;
 569         int option_index;
 570         char *prgname = argv[0];
 571         static struct option lgopts[] = {
 572                 {"config", 1, 0, 0},
 573                 {"no-promisc", 0, 0, 0},
 574                 {NULL, 0, 0, 0}
 575         };
 576
 577         argvopt = argv;
 578
 579         while ((opt = getopt_long(argc, argvopt, "p:",
 580                                 lgopts, &option_index)) != EOF) {
 581
 582                 switch (opt) {
 583                 /* portmask */
 584                 case 'p':
 585                         enabled_port_mask = parse_portmask(optarg);
 586                         if (enabled_port_mask == 0) {
 587                                 printf("invalid portmask\n");
 588                                 print_usage(prgname);
 589                                 return -1;
 590                         }
 591                         break;
 592
 593                 /* long options */
 594                 case 0:
 595                         if (strcmp(lgopts[option_index].name, "config") == 0) {
 596                                 ret = parse_config(optarg);
 597                                 if (ret) {
 598                                         printf("invalid config\n");
 599                                         print_usage(prgname);
 600                                         return -1;
 601                                 }
 602                         }
 603                         if (strcmp(lgopts[option_index].name, "no-promisc") == 0) {
 604                                 printf("Promiscuous mode disabled\n");
 605                                 promiscuous_on = 0;
 606                         }
 607                         break;
 608                 default:
 609                         print_usage(prgname);
 610                         return -1;
 611                 }
 612         }
 613
 614         if (enabled_port_mask == 0) {
 615                 printf("portmask not specified\n");
 616                 print_usage(prgname);
 617                 return -1;
 618         }
 619
 620         if (optind >= 0)
 621                 argv[optind-1] = prgname;
 622
 623         ret = optind-1;
 624         optind = 0; /* reset getopt lib */
 625         return ret;
 626 }
 627
 628 static void
 629 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 630 {
 631         printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
 632                 eth_addr->addr_bytes[0],
 633                 eth_addr->addr_bytes[1],
 634                 eth_addr->addr_bytes[2],
 635                 eth_addr->addr_bytes[3],
 636                 eth_addr->addr_bytes[4],
 637                 eth_addr->addr_bytes[5]);
 638 }
 639
 640 static int
 641 init_mem(void)
 642 {
 643         const unsigned flags = 0;
 644         int socketid;
 645         unsigned lcoreid;
 646         char s[64];
 647
 648         RTE_LCORE_FOREACH(lcoreid) {
 649                 socketid = rte_lcore_to_socket_id(lcoreid);
 650                 if (socketid >= RTE_MAX_NUMA_NODES) {
 651                         printf("Socket %d of lcore %u is out of range %d\n",
 652                                 socketid, lcoreid, RTE_MAX_NUMA_NODES);
 653                         return -1;
 654                 }
 655                 if (pktmbuf_pool[socketid] == NULL) {
 656                         rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
 657                         pktmbuf_pool[socketid] =
 658                                 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
 659                                         sizeof(struct rte_pktmbuf_pool_private),
 660                                         rte_pktmbuf_pool_init, NULL,
 661                                         rte_pktmbuf_init, NULL,
 662                                         socketid, flags);
 663                         if (pktmbuf_pool[socketid] == NULL) {
 664                                 printf("Cannot init mbuf pool on socket %d\n", socketid);
 665                                 return -1;
 666                         }
 667                         printf("Allocated mbuf pool on socket %d\n", socketid);
 668                 }
 669         }
 670         return 0;
 671 }
 672
 673 int
 674 MAIN(int argc, char **argv)
 675 {
 676         struct lcore_conf *qconf;
 677         struct rte_eth_link link;
 678         int ret;
 679         unsigned nb_ports;
 680         uint16_t queueid;
 681         unsigned lcoreid;
 682         uint32_t nb_tx_queue;
 683         uint8_t portid, nb_rx_queue, queue, socketid, last_port;
 684         unsigned nb_ports_in_mask = 0;
 685
 686         /* init EAL */
 687         ret = rte_eal_init(argc, argv);
 688         if (ret < 0)
 689                 return -1;
 690         argc -= ret;
 691         argv += ret;
 692
 693         /* parse application arguments (after the EAL ones) */
 694         ret = parse_args(argc, argv);
 695         if (ret < 0)
 696                 return -1;
 697
 698         /* init driver */
 699 #ifdef RTE_LIBRTE_IGB_PMD
 700         if (rte_igb_pmd_init() < 0)
 701                 rte_panic("Cannot init igb pmd\n");
 702 #endif
 703 #ifdef RTE_LIBRTE_IXGBE_PMD
 704         if (rte_ixgbe_pmd_init() < 0)
 705                 rte_panic("Cannot init ixgbe pmd\n");
 706 #endif
 707
 708         if (rte_eal_pci_probe() < 0)
 709                 rte_panic("Cannot probe PCI\n");
 710
 711         if (check_lcore_params() < 0)
 712                 rte_panic("check_lcore_params failed\n");
 713
 714         ret = init_lcore_rx_queues();
 715         if (ret < 0)
 716                 return -1;
 717
 718         ret = init_mem();
 719         if (ret < 0)
 720                 return -1;
 721
 722         nb_ports = rte_eth_dev_count();
 723         if (nb_ports > RTE_MAX_ETHPORTS)
 724                 nb_ports = RTE_MAX_ETHPORTS;
 725
 726         if (check_port_config(nb_ports) < 0)
 727                 rte_panic("check_port_config failed\n");
 728
 729         /* reset dst_ports */
 730         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
 731                 dst_ports[portid] = 0;
 732         last_port = 0;
 733
 734         /*
 735          * Each logical core is assigned a dedicated TX queue on each port.
 736          */
 737         for (portid = 0; portid < nb_ports; portid++) {
 738                 /* skip ports that are not enabled */
 739                 if ((enabled_port_mask & (1 << portid)) == 0)
 740                         continue;
 741
 742                 if (nb_ports_in_mask % 2) {
 743                         dst_ports[portid] = last_port;
 744                         dst_ports[last_port] = portid;
 745                 }
 746                 else
 747                         last_port = portid;
 748
 749                 nb_ports_in_mask++;
 750         }
 751         if (nb_ports_in_mask % 2) {
 752                 printf("Notice: odd number of ports in portmask.\n");
 753                 dst_ports[last_port] = last_port;
 754         }
 755
 756         /* initialize all ports */
 757         for (portid = 0; portid < nb_ports; portid++) {
 758                 /* skip ports that are not enabled */
 759                 if ((enabled_port_mask & (1 << portid)) == 0) {
 760                         printf("\nSkipping disabled port %d\n", portid);
 761                         continue;
 762                 }
 763
 764                 /* init port */
 765                 printf("Initializing port %d ... ", portid );
 766                 fflush(stdout);
 767
 768                 nb_rx_queue = get_port_n_rx_queues(portid);
 769                 if (nb_rx_queue > get_port_max_rx_queues(portid))
 770                         rte_panic("Number of rx queues %d exceeds max number of rx queues %u"
 771                                 " for port %d\n", nb_rx_queue, get_port_max_rx_queues(portid),
 772                                 portid);
 773                 nb_tx_queue = rte_lcore_count();
 774                 if (nb_tx_queue > get_port_max_tx_queues(portid))
 775                         rte_panic("Number of lcores %u exceeds max number of tx queues %u"
 776                                 " for port %d\n", nb_tx_queue, get_port_max_tx_queues(portid),
 777                                 portid);
 778                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 779                         nb_rx_queue, (unsigned)nb_tx_queue );
 780                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 781                                         (uint16_t)nb_tx_queue, &port_conf);
 782                 if (ret < 0)
 783                         rte_panic("Cannot configure device: err=%d, port=%d\n",
 784                                 ret, portid);
 785
 786                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 787                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 788                 printf(", ");
 789
 790                 /* init one TX queue per couple (lcore,port) */
 791                 queueid = 0;
 792                 RTE_LCORE_FOREACH(lcoreid) {
 793                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 794                         printf("txq=%u,%d,%d ", lcoreid, queueid, socketid);
 795                         fflush(stdout);
 796                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 797                                                      socketid, &tx_conf);
 798                         if (ret < 0)
 799                                 rte_panic("rte_eth_tx_queue_setup: err=%d, "
 800                                         "port=%d\n", ret, portid);
 801
 802                         qconf = &lcore_conf[lcoreid];
 803                         qconf->tx_queue_id[portid] = queueid;
 804                         queueid++;
 805                 }
 806                 printf("\n");
 807         }
 808
 809         RTE_LCORE_FOREACH(lcoreid) {
 810                 qconf = &lcore_conf[lcoreid];
 811                 printf("\nInitializing rx queues on lcore %u ... ", lcoreid );
 812                 fflush(stdout);
 813                 /* init RX queues */
 814                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
 815                         portid = qconf->rx_queue_list[queue].port_id;
 816                         queueid = qconf->rx_queue_list[queue].queue_id;
 817                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 818                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 819                         fflush(stdout);
 820
 821                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
 822                                         socketid, &rx_conf, pktmbuf_pool[socketid]);
 823                         if (ret < 0)
 824                                 rte_panic("rte_eth_rx_queue_setup: err=%d,"
 825                                                 "port=%d\n", ret, portid);
 826                 }
 827         }
 828
 829         printf("\n");
 830
 831         /* start ports */
 832         for (portid = 0; portid < nb_ports; portid++) {
 833                 if ((enabled_port_mask & (1 << portid)) == 0)
 834                         continue;
 835                 /* Start device */
 836                 ret = rte_eth_dev_start(portid);
 837                 if (ret < 0)
 838                         rte_panic("rte_eth_dev_start: err=%d, port=%d\n",
 839                                 ret, portid);
 840
 841                 printf("done: Port %d ", portid);
 842
 843                 /* get link status */
 844                 rte_eth_link_get(portid, &link);
 845                 if (link.link_status)
 846                         printf(" Link Up - speed %u Mbps - %s\n",
 847                                (unsigned) link.link_speed,
 848                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 849                                ("full-duplex") : ("half-duplex\n"));
 850                 else
 851                         printf(" Link Down\n");
 852                 /*
 853                  * If enabled, put device in promiscuous mode.
 854                  * This allows IO forwarding mode to forward packets
 855                  * to itself through 2 cross-connected  ports of the
 856                  * target machine.
 857                  */
 858                 if (promiscuous_on)
 859                         rte_eth_promiscuous_enable(portid);
 860         }
 861         printf("Crypto: Initializing Crypto...\n");
 862         if (crypto_init() != 0)
 863                 return -1;
 864
 865         RTE_LCORE_FOREACH(lcoreid) {
 866                 if (per_core_crypto_init(lcoreid) != 0) {
 867                 printf("Crypto: Cannot init lcore crypto on lcore %u\n", (unsigned)lcoreid);
 868                         return -1;
 869                 }
 870         }
 871         printf("Crypto: Initialization complete\n");
 872         /* launch per-lcore init on every lcore */
 873         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
 874         RTE_LCORE_FOREACH_SLAVE(lcoreid) {
 875                 if (rte_eal_wait_lcore(lcoreid) < 0)
 876                         return -1;
 877         }
 878
 879         return 0;
 880 }