examples/dpdk_qat/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_memory.h>
  49 #include <rte_memzone.h>
  50 #include <rte_tailq.h>
  51 #include <rte_eal.h>
  52 #include <rte_per_lcore.h>
  53 #include <rte_launch.h>
  54 #include <rte_atomic.h>
  55 #include <rte_cycles.h>
  56 #include <rte_prefetch.h>
  57 #include <rte_lcore.h>
  58 #include <rte_per_lcore.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_pci.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_ring.h>
  67 #include <rte_mempool.h>
  68 #include <rte_mbuf.h>
  69 #include <rte_ip.h>
  70 #include <rte_string_fns.h>
  71
  72 #include "main.h"
  73 #include "crypto.h"
  74
  75 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
  76 #define NB_MBUF   (32 * 1024)
  77
  78 /*
  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                 .mq_mode        = ETH_MQ_RX_RSS,
 163                 .split_hdr_size = 0,
 164                 .header_split   = 0, /**< Header Split disabled */
 165                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 166                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 167                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 168                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 169         },
 170         .rx_adv_conf = {
 171                 .rss_conf = {
 172                         .rss_key = NULL,
 173                         .rss_hf = ETH_RSS_IP,
 174                 },
 175         },
 176         .txmode = {
 177                 .mq_mode = ETH_MQ_TX_NONE,
 178         },
 179 };
 180
 181 static const struct rte_eth_rxconf rx_conf = {
 182         .rx_thresh = {
 183                 .pthresh = RX_PTHRESH,
 184                 .hthresh = RX_HTHRESH,
 185                 .wthresh = RX_WTHRESH,
 186         },
 187 };
 188
 189 static const struct rte_eth_txconf tx_conf = {
 190         .tx_thresh = {
 191                 .pthresh = TX_PTHRESH,
 192                 .hthresh = TX_HTHRESH,
 193                 .wthresh = TX_WTHRESH,
 194         },
 195         .tx_free_thresh = 0, /* Use PMD default values */
 196         .tx_rs_thresh = 0, /* Use PMD default values */
 197 };
 198
 199 static struct rte_mempool * pktmbuf_pool[RTE_MAX_NUMA_NODES];
 200
 201 struct lcore_conf {
 202         uint64_t tsc;
 203         uint64_t tsc_count;
 204         uint32_t tx_mask;
 205         uint16_t n_rx_queue;
 206         uint16_t rx_queue_list_pos;
 207         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 208         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 209         struct mbuf_table rx_mbuf;
 210         uint32_t rx_mbuf_pos;
 211         uint32_t rx_curr_queue;
 212         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 213 } __rte_cache_aligned;
 214
 215 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
 216
 217 static inline struct rte_mbuf *
 218 nic_rx_get_packet(struct lcore_conf *qconf)
 219 {
 220         struct rte_mbuf *pkt;
 221
 222         if (unlikely(qconf->n_rx_queue == 0))
 223                 return NULL;
 224
 225         /* Look for the next queue with packets; return if none */
 226         if (unlikely(qconf->rx_mbuf_pos == qconf->rx_mbuf.len)) {
 227                 uint32_t i;
 228
 229                 qconf->rx_mbuf_pos = 0;
 230                 for (i = 0; i < qconf->n_rx_queue; i++) {
 231                         qconf->rx_mbuf.len = rte_eth_rx_burst(
 232                                 qconf->rx_queue_list[qconf->rx_curr_queue].port_id,
 233                                 qconf->rx_queue_list[qconf->rx_curr_queue].queue_id,
 234                                 qconf->rx_mbuf.m_table, MAX_PKT_BURST);
 235
 236                         qconf->rx_curr_queue++;
 237                         if (unlikely(qconf->rx_curr_queue == qconf->n_rx_queue))
 238                                 qconf->rx_curr_queue = 0;
 239                         if (likely(qconf->rx_mbuf.len > 0))
 240                                 break;
 241                 }
 242                 if (unlikely(i == qconf->n_rx_queue))
 243                         return NULL;
 244         }
 245
 246         /* Get the next packet from the current queue; if last packet, go to next queue */
 247         pkt = qconf->rx_mbuf.m_table[qconf->rx_mbuf_pos];
 248         qconf->rx_mbuf_pos++;
 249
 250         return pkt;
 251 }
 252
 253 static inline void
 254 nic_tx_flush_queues(struct lcore_conf *qconf)
 255 {
 256         uint8_t portid;
 257
 258         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 259                 struct rte_mbuf **m_table = NULL;
 260                 uint16_t queueid, len;
 261                 uint32_t n, i;
 262
 263                 if (likely((qconf->tx_mask & (1 << portid)) == 0))
 264                         continue;
 265
 266                 len = qconf->tx_mbufs[portid].len;
 267                 if (likely(len == 0))
 268                         continue;
 269
 270                 queueid = qconf->tx_queue_id[portid];
 271                 m_table = qconf->tx_mbufs[portid].m_table;
 272
 273                 n = rte_eth_tx_burst(portid, queueid, m_table, len);
 274                 for (i = n; i < len; i++){
 275                         rte_pktmbuf_free(m_table[i]);
 276                 }
 277
 278                 qconf->tx_mbufs[portid].len = 0;
 279         }
 280
 281         qconf->tx_mask = TX_QUEUE_FLUSH_MASK;
 282 }
 283
 284 static inline void
 285 nic_tx_send_packet(struct rte_mbuf *pkt, uint8_t port)
 286 {
 287         struct lcore_conf *qconf;
 288         uint32_t lcoreid;
 289         uint16_t len;
 290
 291         if (unlikely(pkt == NULL)) {
 292                 return;
 293         }
 294
 295         lcoreid = rte_lcore_id();
 296         qconf = &lcore_conf[lcoreid];
 297
 298         len = qconf->tx_mbufs[port].len;
 299         qconf->tx_mbufs[port].m_table[len] = pkt;
 300         len++;
 301
 302         /* enough pkts to be sent */
 303         if (unlikely(len == MAX_PKT_BURST)) {
 304                 uint32_t n, i;
 305                 uint16_t queueid;
 306
 307                 queueid = qconf->tx_queue_id[port];
 308                 n = rte_eth_tx_burst(port, queueid, qconf->tx_mbufs[port].m_table, MAX_PKT_BURST);
 309                 for (i = n; i < MAX_PKT_BURST; i++){
 310                         rte_pktmbuf_free(qconf->tx_mbufs[port].m_table[i]);
 311                 }
 312
 313                 qconf->tx_mask &= ~(1 << port);
 314                 len = 0;
 315         }
 316
 317         qconf->tx_mbufs[port].len = len;
 318 }
 319
 320 /* main processing loop */
 321 static __attribute__((noreturn)) int
 322 main_loop(__attribute__((unused)) void *dummy)
 323 {
 324         uint32_t lcoreid;
 325         struct lcore_conf *qconf;
 326         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
 327
 328         lcoreid = rte_lcore_id();
 329         qconf = &lcore_conf[lcoreid];
 330
 331         printf("Thread %u starting...\n", lcoreid);
 332
 333         for (;;) {
 334                 struct rte_mbuf *pkt;
 335                 uint32_t pkt_from_nic_rx = 0;
 336                 uint8_t port;
 337
 338                 /* Flush TX queues */
 339                 qconf->tsc_count++;
 340                 if (unlikely(qconf->tsc_count == TSC_COUNT_LIMIT)) {
 341                         uint64_t tsc, diff_tsc;
 342
 343                         tsc = rte_rdtsc();
 344
 345                         diff_tsc = tsc - qconf->tsc;
 346                         if (unlikely(diff_tsc > drain_tsc)) {
 347                                 nic_tx_flush_queues(qconf);
 348                                 crypto_flush_tx_queue(lcoreid);
 349                                 qconf->tsc = tsc;
 350                         }
 351
 352                         qconf->tsc_count = 0;
 353                 }
 354
 355                 /*
 356                  * Check the Intel QuickAssist queues first
 357                  *
 358                  ***/
 359                 pkt = (struct rte_mbuf *) crypto_get_next_response();
 360                 if (pkt == NULL) {
 361                         pkt = nic_rx_get_packet(qconf);
 362                         pkt_from_nic_rx = 1;
 363                 }
 364                 if (pkt == NULL)
 365                         continue;
 366                 /* Send packet to either QAT encrypt, QAT decrypt or NIC TX */
 367                 if (pkt_from_nic_rx) {
 368                         struct ipv4_hdr *ip  = (struct ipv4_hdr *) (rte_pktmbuf_mtod(pkt, unsigned char *) +
 369                                         sizeof(struct ether_hdr));
 370                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_ENCRYPT)) {
 371                                 if (CRYPTO_RESULT_FAIL == crypto_encrypt(pkt,
 372                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 373                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 374                                         rte_pktmbuf_free(pkt);
 375                                 continue;
 376                         }
 377
 378                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_DECRYPT)) {
 379                                 if(CRYPTO_RESULT_FAIL == crypto_decrypt(pkt,
 380                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 381                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 382                                         rte_pktmbuf_free(pkt);
 383                                 continue;
 384                         }
 385                 }
 386
 387                 port = dst_ports[pkt->in_port];
 388
 389                 /* Transmit the packet */
 390                 nic_tx_send_packet(pkt, (uint8_t)port);
 391         }
 392 }
 393
 394 static inline unsigned
 395 get_port_max_rx_queues(uint8_t port_id)
 396 {
 397         struct rte_eth_dev_info dev_info;
 398
 399         rte_eth_dev_info_get(port_id, &dev_info);
 400         return dev_info.max_rx_queues;
 401 }
 402
 403 static inline unsigned
 404 get_port_max_tx_queues(uint8_t port_id)
 405 {
 406         struct rte_eth_dev_info dev_info;
 407
 408         rte_eth_dev_info_get(port_id, &dev_info);
 409         return dev_info.max_tx_queues;
 410 }
 411
 412 static int
 413 check_lcore_params(void)
 414 {
 415         uint16_t i;
 416
 417         for (i = 0; i < nb_lcore_params; ++i) {
 418                 if (lcore_params[i].queue_id >= get_port_max_rx_queues(lcore_params[i].port_id)) {
 419                         printf("invalid queue number: %hhu\n", lcore_params[i].queue_id);
 420                         return -1;
 421                 }
 422                 if (!rte_lcore_is_enabled(lcore_params[i].lcore_id)) {
 423                         printf("error: lcore %hhu is not enabled in lcore mask\n",
 424                                 lcore_params[i].lcore_id);
 425                         return -1;
 426                 }
 427         }
 428         return 0;
 429 }
 430
 431 static int
 432 check_port_config(const unsigned nb_ports)
 433 {
 434         unsigned portid;
 435         uint16_t i;
 436
 437         for (i = 0; i < nb_lcore_params; ++i) {
 438                 portid = lcore_params[i].port_id;
 439                 if ((enabled_port_mask & (1 << portid)) == 0) {
 440                         printf("port %u is not enabled in port mask\n", portid);
 441                         return -1;
 442                 }
 443                 if (portid >= nb_ports) {
 444                         printf("port %u is not present on the board\n", portid);
 445                         return -1;
 446                 }
 447         }
 448         return 0;
 449 }
 450
 451 static uint8_t
 452 get_port_n_rx_queues(const uint8_t port)
 453 {
 454         int queue = -1;
 455         uint16_t i;
 456
 457         for (i = 0; i < nb_lcore_params; ++i) {
 458                 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
 459                         queue = lcore_params[i].queue_id;
 460         }
 461         return (uint8_t)(++queue);
 462 }
 463
 464 static int
 465 init_lcore_rx_queues(void)
 466 {
 467         uint16_t i, nb_rx_queue;
 468         uint8_t lcore;
 469
 470         for (i = 0; i < nb_lcore_params; ++i) {
 471                 lcore = lcore_params[i].lcore_id;
 472                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 473                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 474                         printf("error: too many queues (%u) for lcore: %u\n",
 475                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 476                         return -1;
 477                 }
 478                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 479                         lcore_params[i].port_id;
 480                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 481                         lcore_params[i].queue_id;
 482                 lcore_conf[lcore].n_rx_queue++;
 483         }
 484         return 0;
 485 }
 486
 487 /* display usage */
 488 static void
 489 print_usage(const char *prgname)
 490 {
 491         printf ("%s [EAL options] -- -p PORTMASK [--no-promisc]"
 492                 "  [--config '(port,queue,lcore)[,(port,queue,lcore)]'\n"
 493                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 494                 "  --no-promisc: disable promiscuous mode (default is ON)\n"
 495                 "  --config '(port,queue,lcore)': rx queues configuration\n",
 496                 prgname);
 497 }
 498
 499 static unsigned
 500 parse_portmask(const char *portmask)
 501 {
 502         char *end = NULL;
 503         unsigned pm;
 504
 505         /* parse hexadecimal string */
 506         pm = strtoul(portmask, &end, 16);
 507         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 508                 return 0;
 509
 510         return pm;
 511 }
 512
 513 static int
 514 parse_config(const char *q_arg)
 515 {
 516         char s[256];
 517         const char *p, *p_end = q_arg;
 518         char *end;
 519         enum fieldnames {
 520                 FLD_PORT = 0,
 521                 FLD_QUEUE,
 522                 FLD_LCORE,
 523                 _NUM_FLD
 524         };
 525         unsigned long int_fld[_NUM_FLD];
 526         char *str_fld[_NUM_FLD];
 527         int i;
 528         unsigned size;
 529
 530         nb_lcore_params = 0;
 531
 532         while ((p = strchr(p_end,'(')) != NULL) {
 533                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 534                         printf("exceeded max number of lcore params: %hu\n",
 535                                 nb_lcore_params);
 536                         return -1;
 537                 }
 538                 ++p;
 539                 if((p_end = strchr(p,')')) == NULL)
 540                         return -1;
 541
 542                 size = p_end - p;
 543                 if(size >= sizeof(s))
 544                         return -1;
 545
 546                 snprintf(s, sizeof(s), "%.*s", size, p);
 547                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 548                         return -1;
 549                 for (i = 0; i < _NUM_FLD; i++) {
 550                         errno = 0;
 551                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 552                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 553                                 return -1;
 554                 }
 555                 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
 556                 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
 557                 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
 558                 ++nb_lcore_params;
 559         }
 560         lcore_params = lcore_params_array;
 561         return 0;
 562 }
 563
 564 /* Parse the argument given in the command line of the application */
 565 static int
 566 parse_args(int argc, char **argv)
 567 {
 568         int opt, ret;
 569         char **argvopt;
 570         int option_index;
 571         char *prgname = argv[0];
 572         static struct option lgopts[] = {
 573                 {"config", 1, 0, 0},
 574                 {"no-promisc", 0, 0, 0},
 575                 {NULL, 0, 0, 0}
 576         };
 577
 578         argvopt = argv;
 579
 580         while ((opt = getopt_long(argc, argvopt, "p:",
 581                                 lgopts, &option_index)) != EOF) {
 582
 583                 switch (opt) {
 584                 /* portmask */
 585                 case 'p':
 586                         enabled_port_mask = parse_portmask(optarg);
 587                         if (enabled_port_mask == 0) {
 588                                 printf("invalid portmask\n");
 589                                 print_usage(prgname);
 590                                 return -1;
 591                         }
 592                         break;
 593
 594                 /* long options */
 595                 case 0:
 596                         if (strcmp(lgopts[option_index].name, "config") == 0) {
 597                                 ret = parse_config(optarg);
 598                                 if (ret) {
 599                                         printf("invalid config\n");
 600                                         print_usage(prgname);
 601                                         return -1;
 602                                 }
 603                         }
 604                         if (strcmp(lgopts[option_index].name, "no-promisc") == 0) {
 605                                 printf("Promiscuous mode disabled\n");
 606                                 promiscuous_on = 0;
 607                         }
 608                         break;
 609                 default:
 610                         print_usage(prgname);
 611                         return -1;
 612                 }
 613         }
 614
 615         if (enabled_port_mask == 0) {
 616                 printf("portmask not specified\n");
 617                 print_usage(prgname);
 618                 return -1;
 619         }
 620
 621         if (optind >= 0)
 622                 argv[optind-1] = prgname;
 623
 624         ret = optind-1;
 625         optind = 0; /* reset getopt lib */
 626         return ret;
 627 }
 628
 629 static void
 630 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 631 {
 632         printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
 633                 eth_addr->addr_bytes[0],
 634                 eth_addr->addr_bytes[1],
 635                 eth_addr->addr_bytes[2],
 636                 eth_addr->addr_bytes[3],
 637                 eth_addr->addr_bytes[4],
 638                 eth_addr->addr_bytes[5]);
 639 }
 640
 641 static int
 642 init_mem(void)
 643 {
 644         const unsigned flags = 0;
 645         int socketid;
 646         unsigned lcoreid;
 647         char s[64];
 648
 649         RTE_LCORE_FOREACH(lcoreid) {
 650                 socketid = rte_lcore_to_socket_id(lcoreid);
 651                 if (socketid >= RTE_MAX_NUMA_NODES) {
 652                         printf("Socket %d of lcore %u is out of range %d\n",
 653                                 socketid, lcoreid, RTE_MAX_NUMA_NODES);
 654                         return -1;
 655                 }
 656                 if (pktmbuf_pool[socketid] == NULL) {
 657                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
 658                         pktmbuf_pool[socketid] =
 659                                 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
 660                                         sizeof(struct rte_pktmbuf_pool_private),
 661                                         rte_pktmbuf_pool_init, NULL,
 662                                         rte_pktmbuf_init, NULL,
 663                                         socketid, flags);
 664                         if (pktmbuf_pool[socketid] == NULL) {
 665                                 printf("Cannot init mbuf pool on socket %d\n", socketid);
 666                                 return -1;
 667                         }
 668                         printf("Allocated mbuf pool on socket %d\n", socketid);
 669                 }
 670         }
 671         return 0;
 672 }
 673
 674 int
 675 MAIN(int argc, char **argv)
 676 {
 677         struct lcore_conf *qconf;
 678         struct rte_eth_link link;
 679         int ret;
 680         unsigned nb_ports;
 681         uint16_t queueid;
 682         unsigned lcoreid;
 683         uint32_t nb_tx_queue;
 684         uint8_t portid, nb_rx_queue, queue, socketid, last_port;
 685         unsigned nb_ports_in_mask = 0;
 686
 687         /* init EAL */
 688         ret = rte_eal_init(argc, argv);
 689         if (ret < 0)
 690                 return -1;
 691         argc -= ret;
 692         argv += ret;
 693
 694         /* parse application arguments (after the EAL ones) */
 695         ret = parse_args(argc, argv);
 696         if (ret < 0)
 697                 return -1;
 698
 699         if (rte_eal_pci_probe() < 0)
 700                 rte_panic("Cannot probe PCI\n");
 701
 702         if (check_lcore_params() < 0)
 703                 rte_panic("check_lcore_params failed\n");
 704
 705         ret = init_lcore_rx_queues();
 706         if (ret < 0)
 707                 return -1;
 708
 709         ret = init_mem();
 710         if (ret < 0)
 711                 return -1;
 712
 713         nb_ports = rte_eth_dev_count();
 714         if (nb_ports > RTE_MAX_ETHPORTS)
 715                 nb_ports = RTE_MAX_ETHPORTS;
 716
 717         if (check_port_config(nb_ports) < 0)
 718                 rte_panic("check_port_config failed\n");
 719
 720         /* reset dst_ports */
 721         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
 722                 dst_ports[portid] = 0;
 723         last_port = 0;
 724
 725         /*
 726          * Each logical core is assigned a dedicated TX queue on each port.
 727          */
 728         for (portid = 0; portid < nb_ports; portid++) {
 729                 /* skip ports that are not enabled */
 730                 if ((enabled_port_mask & (1 << portid)) == 0)
 731                         continue;
 732
 733                 if (nb_ports_in_mask % 2) {
 734                         dst_ports[portid] = last_port;
 735                         dst_ports[last_port] = portid;
 736                 }
 737                 else
 738                         last_port = portid;
 739
 740                 nb_ports_in_mask++;
 741         }
 742         if (nb_ports_in_mask % 2) {
 743                 printf("Notice: odd number of ports in portmask.\n");
 744                 dst_ports[last_port] = last_port;
 745         }
 746
 747         /* initialize all ports */
 748         for (portid = 0; portid < nb_ports; portid++) {
 749                 /* skip ports that are not enabled */
 750                 if ((enabled_port_mask & (1 << portid)) == 0) {
 751                         printf("\nSkipping disabled port %d\n", portid);
 752                         continue;
 753                 }
 754
 755                 /* init port */
 756                 printf("Initializing port %d ... ", portid );
 757                 fflush(stdout);
 758
 759                 nb_rx_queue = get_port_n_rx_queues(portid);
 760                 if (nb_rx_queue > get_port_max_rx_queues(portid))
 761                         rte_panic("Number of rx queues %d exceeds max number of rx queues %u"
 762                                 " for port %d\n", nb_rx_queue, get_port_max_rx_queues(portid),
 763                                 portid);
 764                 nb_tx_queue = rte_lcore_count();
 765                 if (nb_tx_queue > get_port_max_tx_queues(portid))
 766                         rte_panic("Number of lcores %u exceeds max number of tx queues %u"
 767                                 " for port %d\n", nb_tx_queue, get_port_max_tx_queues(portid),
 768                                 portid);
 769                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 770                         nb_rx_queue, (unsigned)nb_tx_queue );
 771                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 772                                         (uint16_t)nb_tx_queue, &port_conf);
 773                 if (ret < 0)
 774                         rte_panic("Cannot configure device: err=%d, port=%d\n",
 775                                 ret, portid);
 776
 777                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 778                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 779                 printf(", ");
 780
 781                 /* init one TX queue per couple (lcore,port) */
 782                 queueid = 0;
 783                 RTE_LCORE_FOREACH(lcoreid) {
 784                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 785                         printf("txq=%u,%d,%d ", lcoreid, queueid, socketid);
 786                         fflush(stdout);
 787                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 788                                                      socketid, &tx_conf);
 789                         if (ret < 0)
 790                                 rte_panic("rte_eth_tx_queue_setup: err=%d, "
 791                                         "port=%d\n", ret, portid);
 792
 793                         qconf = &lcore_conf[lcoreid];
 794                         qconf->tx_queue_id[portid] = queueid;
 795                         queueid++;
 796                 }
 797                 printf("\n");
 798         }
 799
 800         RTE_LCORE_FOREACH(lcoreid) {
 801                 qconf = &lcore_conf[lcoreid];
 802                 printf("\nInitializing rx queues on lcore %u ... ", lcoreid );
 803                 fflush(stdout);
 804                 /* init RX queues */
 805                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
 806                         portid = qconf->rx_queue_list[queue].port_id;
 807                         queueid = qconf->rx_queue_list[queue].queue_id;
 808                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 809                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 810                         fflush(stdout);
 811
 812                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
 813                                         socketid, &rx_conf, pktmbuf_pool[socketid]);
 814                         if (ret < 0)
 815                                 rte_panic("rte_eth_rx_queue_setup: err=%d,"
 816                                                 "port=%d\n", ret, portid);
 817                 }
 818         }
 819
 820         printf("\n");
 821
 822         /* start ports */
 823         for (portid = 0; portid < nb_ports; portid++) {
 824                 if ((enabled_port_mask & (1 << portid)) == 0)
 825                         continue;
 826                 /* Start device */
 827                 ret = rte_eth_dev_start(portid);
 828                 if (ret < 0)
 829                         rte_panic("rte_eth_dev_start: err=%d, port=%d\n",
 830                                 ret, portid);
 831
 832                 printf("done: Port %d ", portid);
 833
 834                 /* get link status */
 835                 rte_eth_link_get(portid, &link);
 836                 if (link.link_status)
 837                         printf(" Link Up - speed %u Mbps - %s\n",
 838                                (unsigned) link.link_speed,
 839                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 840                                ("full-duplex") : ("half-duplex\n"));
 841                 else
 842                         printf(" Link Down\n");
 843                 /*
 844                  * If enabled, put device in promiscuous mode.
 845                  * This allows IO forwarding mode to forward packets
 846                  * to itself through 2 cross-connected  ports of the
 847                  * target machine.
 848                  */
 849                 if (promiscuous_on)
 850                         rte_eth_promiscuous_enable(portid);
 851         }
 852         printf("Crypto: Initializing Crypto...\n");
 853         if (crypto_init() != 0)
 854                 return -1;
 855
 856         RTE_LCORE_FOREACH(lcoreid) {
 857                 if (per_core_crypto_init(lcoreid) != 0) {
 858                 printf("Crypto: Cannot init lcore crypto on lcore %u\n", (unsigned)lcoreid);
 859                         return -1;
 860                 }
 861         }
 862         printf("Crypto: Initialization complete\n");
 863         /* launch per-lcore init on every lcore */
 864         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
 865         RTE_LCORE_FOREACH_SLAVE(lcoreid) {
 866                 if (rte_eal_wait_lcore(lcoreid) < 0)
 867                         return -1;
 868         }
 869
 870         return 0;
 871 }