examples/dpdk_qat/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2012 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
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <stdint.h>
  38 #include <inttypes.h>
  39 #include <sys/types.h>
  40 #include <string.h>
  41 #include <sys/queue.h>
  42 #include <stdarg.h>
  43 #include <errno.h>
  44 #include <getopt.h>
  45
  46 #include <rte_common.h>
  47 #include <rte_byteorder.h>
  48 #include <rte_log.h>
  49 #include <rte_memory.h>
  50 #include <rte_memzone.h>
  51 #include <rte_tailq.h>
  52 #include <rte_eal.h>
  53 #include <rte_per_lcore.h>
  54 #include <rte_launch.h>
  55 #include <rte_atomic.h>
  56 #include <rte_cycles.h>
  57 #include <rte_prefetch.h>
  58 #include <rte_lcore.h>
  59 #include <rte_per_lcore.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_interrupts.h>
  62 #include <rte_pci.h>
  63 #include <rte_random.h>
  64 #include <rte_debug.h>
  65 #include <rte_ether.h>
  66 #include <rte_ethdev.h>
  67 #include <rte_ring.h>
  68 #include <rte_mempool.h>
  69 #include <rte_mbuf.h>
  70 #include <rte_ip.h>
  71 #include <rte_string_fns.h>
  72
  73 #include "main.h"
  74 #include "crypto.h"
  75
  76 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
  77 #define NB_MBUF   (32 * 1024)
  78
  79 /*
  80  * RX and TX Prefetch, Host, and Write-back threshold values should be
  81  * carefully set for optimal performance. Consult the network
  82  * controller's datasheet and supporting DPDK documentation for guidance
  83  * on how these parameters should be set.
  84  */
  85 #define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */
  86 #define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */
  87 #define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */
  88
  89 /*
  90  * These default values are optimized for use with the Intel(R) 82599 10 GbE
  91  * Controller and the DPDK ixgbe PMD. Consider using other values for other
  92  * network controllers and/or network drivers.
  93  */
  94 #define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */
  95 #define TX_HTHRESH 0  /**< Default values of TX host threshold reg. */
  96 #define TX_WTHRESH 0  /**< Default values of TX write-back threshold reg. */
  97
  98 #define MAX_PKT_BURST 32
  99 #define BURST_TX_DRAIN 200000ULL /* around 100us at 2 Ghz */
 100
 101 #define SOCKET0 0
 102
 103 #define TX_QUEUE_FLUSH_MASK 0xFFFFFFFF
 104 #define TSC_COUNT_LIMIT 1000
 105
 106 #define ACTION_ENCRYPT 1
 107 #define ACTION_DECRYPT 2
 108
 109 /*
 110  * Configurable number of RX/TX ring descriptors
 111  */
 112 #define RTE_TEST_RX_DESC_DEFAULT 128
 113 #define RTE_TEST_TX_DESC_DEFAULT 512
 114 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 115 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 116
 117 /* ethernet addresses of ports */
 118 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 119
 120 /* mask of enabled ports */
 121 static unsigned enabled_port_mask = 0;
 122 static int promiscuous_on = 1; /**< Ports set in promiscuous mode on by default. */
 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,
 173                 },
 174         },
 175         .txmode = {
 176         },
 177 };
 178
 179 static const struct rte_eth_rxconf rx_conf = {
 180         .rx_thresh = {
 181                 .pthresh = RX_PTHRESH,
 182                 .hthresh = RX_HTHRESH,
 183                 .wthresh = RX_WTHRESH,
 184         },
 185 };
 186
 187 static const struct rte_eth_txconf tx_conf = {
 188         .tx_thresh = {
 189                 .pthresh = TX_PTHRESH,
 190                 .hthresh = TX_HTHRESH,
 191                 .wthresh = TX_WTHRESH,
 192         },
 193         .tx_free_thresh = 0, /* Use PMD default values */
 194         .tx_rs_thresh = 0, /* Use PMD default values */
 195 };
 196
 197 static struct rte_mempool * pktmbuf_pool[RTE_MAX_NUMA_NODES];
 198
 199 struct lcore_conf {
 200         uint64_t tsc;
 201         uint64_t tsc_count;
 202         uint32_t tx_mask;
 203         uint16_t n_rx_queue;
 204         uint16_t rx_queue_list_pos;
 205         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 206         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 207         struct mbuf_table rx_mbuf;
 208         uint32_t rx_mbuf_pos;
 209         uint32_t rx_curr_queue;
 210         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
 211 } __rte_cache_aligned;
 212
 213 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
 214
 215 static inline struct rte_mbuf *
 216 nic_rx_get_packet(struct lcore_conf *qconf)
 217 {
 218         struct rte_mbuf *pkt;
 219
 220         if (unlikely(qconf->n_rx_queue == 0))
 221                 return NULL;
 222
 223         /* Look for the next queue with packets; return if none */
 224         if (unlikely(qconf->rx_mbuf_pos == qconf->rx_mbuf.len)) {
 225                 uint32_t i;
 226
 227                 qconf->rx_mbuf_pos = 0;
 228                 for (i = 0; i < qconf->n_rx_queue; i++) {
 229                         qconf->rx_mbuf.len = rte_eth_rx_burst(
 230                                 qconf->rx_queue_list[qconf->rx_curr_queue].port_id,
 231                                 qconf->rx_queue_list[qconf->rx_curr_queue].queue_id,
 232                                 qconf->rx_mbuf.m_table, MAX_PKT_BURST);
 233
 234                         qconf->rx_curr_queue++;
 235                         if (unlikely(qconf->rx_curr_queue == qconf->n_rx_queue))
 236                                 qconf->rx_curr_queue = 0;
 237                         if (likely(qconf->rx_mbuf.len > 0))
 238                                 break;
 239                 }
 240                 if (unlikely(i == qconf->n_rx_queue))
 241                         return NULL;
 242         }
 243
 244         /* Get the next packet from the current queue; if last packet, go to next queue */
 245         pkt = qconf->rx_mbuf.m_table[qconf->rx_mbuf_pos];
 246         qconf->rx_mbuf_pos++;
 247
 248         return pkt;
 249 }
 250
 251 static inline void
 252 nic_tx_flush_queues(struct lcore_conf *qconf)
 253 {
 254         uint8_t portid;
 255
 256         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 257                 struct rte_mbuf **m_table = NULL;
 258                 uint16_t queueid, len;
 259                 uint32_t n, i;
 260
 261                 if (likely((qconf->tx_mask & (1 << portid)) == 0))
 262                         continue;
 263
 264                 len = qconf->tx_mbufs[portid].len;
 265                 if (likely(len == 0))
 266                         continue;
 267
 268                 queueid = qconf->tx_queue_id[portid];
 269                 m_table = qconf->tx_mbufs[portid].m_table;
 270
 271                 n = rte_eth_tx_burst(portid, queueid, m_table, len);
 272                 for (i = n; i < len; i++){
 273                         rte_pktmbuf_free(m_table[i]);
 274                 }
 275
 276                 qconf->tx_mbufs[portid].len = 0;
 277         }
 278
 279         qconf->tx_mask = TX_QUEUE_FLUSH_MASK;
 280 }
 281
 282 static inline void
 283 nic_tx_send_packet(struct rte_mbuf *pkt, uint8_t port)
 284 {
 285         struct lcore_conf *qconf;
 286         uint32_t lcoreid;
 287         uint16_t len;
 288
 289         if (unlikely(pkt == NULL)) {
 290                 return;
 291         }
 292
 293         lcoreid = rte_lcore_id();
 294         qconf = &lcore_conf[lcoreid];
 295
 296         len = qconf->tx_mbufs[port].len;
 297         qconf->tx_mbufs[port].m_table[len] = pkt;
 298         len++;
 299
 300         /* enough pkts to be sent */
 301         if (unlikely(len == MAX_PKT_BURST)) {
 302                 uint32_t n, i;
 303                 uint16_t queueid;
 304
 305                 queueid = qconf->tx_queue_id[port];
 306                 n = rte_eth_tx_burst(port, queueid, qconf->tx_mbufs[port].m_table, MAX_PKT_BURST);
 307                 for (i = n; i < MAX_PKT_BURST; i++){
 308                         rte_pktmbuf_free(qconf->tx_mbufs[port].m_table[i]);
 309                 }
 310
 311                 qconf->tx_mask &= ~(1 << port);
 312                 len = 0;
 313         }
 314
 315         qconf->tx_mbufs[port].len = len;
 316 }
 317
 318 static inline uint8_t
 319 get_output_port(uint8_t input_port)
 320 {
 321         return (uint8_t)(input_port ^ 1);
 322 }
 323
 324 /* main processing loop */
 325 static __attribute__((noreturn)) int
 326 main_loop(__attribute__((unused)) void *dummy)
 327 {
 328         uint32_t lcoreid;
 329         struct lcore_conf *qconf;
 330
 331         lcoreid = rte_lcore_id();
 332         qconf = &lcore_conf[lcoreid];
 333
 334         printf("Thread %u starting...\n", lcoreid);
 335
 336         for (;;) {
 337                 struct rte_mbuf *pkt;
 338                 uint32_t pkt_from_nic_rx = 0;
 339                 uint8_t port;
 340
 341                 /* Flush TX queues */
 342                 qconf->tsc_count++;
 343                 if (unlikely(qconf->tsc_count == TSC_COUNT_LIMIT)) {
 344                         uint64_t tsc, diff_tsc;
 345
 346                         tsc = rte_rdtsc();
 347
 348                         diff_tsc = tsc - qconf->tsc;
 349                         if (unlikely(diff_tsc > BURST_TX_DRAIN)) {
 350                                 nic_tx_flush_queues(qconf);
 351                                 crypto_flush_tx_queue(lcoreid);
 352                                 qconf->tsc = tsc;
 353                         }
 354
 355                         qconf->tsc_count = 0;
 356                 }
 357
 358                 /*
 359                  * Check the Intel QuickAssist queues first
 360                  *
 361                  ***/
 362                 pkt = (struct rte_mbuf *) crypto_get_next_response();
 363                 if (pkt == NULL) {
 364                         pkt = nic_rx_get_packet(qconf);
 365                         pkt_from_nic_rx = 1;
 366                 }
 367                 if (pkt == NULL)
 368                         continue;
 369                 /* Send packet to either QAT encrypt, QAT decrypt or NIC TX */
 370                 if (pkt_from_nic_rx) {
 371                         struct ipv4_hdr *ip  = (struct ipv4_hdr *) (rte_pktmbuf_mtod(pkt, unsigned char *) +
 372                                         sizeof(struct ether_hdr));
 373                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_ENCRYPT)) {
 374                                 if (CRYPTO_RESULT_FAIL == crypto_encrypt(pkt,
 375                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 376                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 377                                         rte_pktmbuf_free(pkt);
 378                                 continue;
 379                         }
 380
 381                         if (ip->src_addr & rte_cpu_to_be_32(ACTION_DECRYPT)) {
 382                                 if(CRYPTO_RESULT_FAIL == crypto_decrypt(pkt,
 383                                         (enum cipher_alg)((ip->src_addr >> 16) & 0xFF),
 384                                         (enum hash_alg)((ip->src_addr >> 8) & 0xFF)))
 385                                         rte_pktmbuf_free(pkt);
 386                                 continue;
 387                         }
 388                 }
 389
 390                 port = get_output_port(pkt->pkt.in_port);
 391
 392                 /* Transmit the packet */
 393                 nic_tx_send_packet(pkt, port);
 394         }
 395 }
 396
 397 static inline unsigned
 398 get_port_max_rx_queues(uint8_t port_id)
 399 {
 400         struct rte_eth_dev_info dev_info;
 401
 402         rte_eth_dev_info_get(port_id, &dev_info);
 403         return dev_info.max_rx_queues;
 404 }
 405
 406 static inline unsigned
 407 get_port_max_tx_queues(uint8_t port_id)
 408 {
 409         struct rte_eth_dev_info dev_info;
 410
 411         rte_eth_dev_info_get(port_id, &dev_info);
 412         return dev_info.max_tx_queues;
 413 }
 414
 415 static int
 416 check_lcore_params(void)
 417 {
 418         uint16_t i;
 419
 420         for (i = 0; i < nb_lcore_params; ++i) {
 421                 if (lcore_params[i].queue_id >= get_port_max_rx_queues(lcore_params[i].port_id)) {
 422                         printf("invalid queue number: %hhu\n", lcore_params[i].queue_id);
 423                         return -1;
 424                 }
 425                 if (!rte_lcore_is_enabled(lcore_params[i].lcore_id)) {
 426                         printf("error: lcore %hhu is not enabled in lcore mask\n",
 427                                 lcore_params[i].lcore_id);
 428                         return -1;
 429                 }
 430         }
 431         return 0;
 432 }
 433
 434 static int
 435 check_port_config(const unsigned nb_ports)
 436 {
 437         unsigned portid;
 438         uint16_t i;
 439
 440         for (i = 0; i < nb_lcore_params; ++i) {
 441                 portid = lcore_params[i].port_id;
 442                 if ((enabled_port_mask & (1 << portid)) == 0) {
 443                         printf("port %u is not enabled in port mask\n", portid);
 444                         return -1;
 445                 }
 446                 if (portid >= nb_ports) {
 447                         printf("port %u is not present on the board\n", portid);
 448                         return -1;
 449                 }
 450         }
 451         return 0;
 452 }
 453
 454 static uint8_t
 455 get_port_n_rx_queues(const uint8_t port)
 456 {
 457         int queue = -1;
 458         uint16_t i;
 459
 460         for (i = 0; i < nb_lcore_params; ++i) {
 461                 if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue)
 462                         queue = lcore_params[i].queue_id;
 463         }
 464         return (uint8_t)(++queue);
 465 }
 466
 467 static int
 468 init_lcore_rx_queues(void)
 469 {
 470         uint16_t i, nb_rx_queue;
 471         uint8_t lcore;
 472
 473         for (i = 0; i < nb_lcore_params; ++i) {
 474                 lcore = lcore_params[i].lcore_id;
 475                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
 476                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 477                         printf("error: too many queues (%u) for lcore: %u\n",
 478                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
 479                         return -1;
 480                 }
 481                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 482                         lcore_params[i].port_id;
 483                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 484                         lcore_params[i].queue_id;
 485                 lcore_conf[lcore].n_rx_queue++;
 486         }
 487         return 0;
 488 }
 489
 490 /* display usage */
 491 static void
 492 print_usage(const char *prgname)
 493 {
 494         printf ("%s [EAL options] -- -p PORTMASK [--no-promisc]"
 495                 "  [--config (port,queue,lcore)[,(port,queue,lcore]]\n"
 496                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 497                 "  --no-promisc: disable promiscuous mode (default is ON)\n"
 498                 "  --config (port,queue,lcore): rx queues configuration\n",
 499                 prgname);
 500 }
 501
 502 static unsigned
 503 parse_portmask(const char *portmask)
 504 {
 505         char *end = NULL;
 506         unsigned pm;
 507
 508         /* parse hexadecimal string */
 509         pm = strtoul(portmask, &end, 16);
 510         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 511                 return 0;
 512
 513         return pm;
 514 }
 515
 516 static int
 517 parse_config(const char *q_arg)
 518 {
 519         char s[256];
 520         const char *p, *p_end = q_arg;
 521         char *end;
 522         enum fieldnames {
 523                 FLD_PORT = 0,
 524                 FLD_QUEUE,
 525                 FLD_LCORE,
 526                 _NUM_FLD
 527         };
 528         unsigned long int_fld[_NUM_FLD];
 529         char *str_fld[_NUM_FLD];
 530         int i;
 531         unsigned size;
 532
 533         nb_lcore_params = 0;
 534
 535         while ((p = strchr(p_end,'(')) != NULL) {
 536                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 537                         printf("exceeded max number of lcore params: %hu\n",
 538                                 nb_lcore_params);
 539                         return -1;
 540                 }
 541                 ++p;
 542                 if((p_end = strchr(p,')')) == NULL)
 543                         return -1;
 544
 545                 size = p_end - p;
 546                 if(size >= sizeof(s))
 547                         return -1;
 548
 549                 rte_snprintf(s, sizeof(s), "%.*s", size, p);
 550                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
 551                         return -1;
 552                 for (i = 0; i < _NUM_FLD; i++) {
 553                         errno = 0;
 554                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 555                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 556                                 return -1;
 557                 }
 558                 lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT];
 559                 lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE];
 560                 lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE];
 561                 ++nb_lcore_params;
 562         }
 563         lcore_params = lcore_params_array;
 564         return 0;
 565 }
 566
 567 /* Parse the argument given in the command line of the application */
 568 static int
 569 parse_args(int argc, char **argv)
 570 {
 571         int opt, ret;
 572         char **argvopt;
 573         int option_index;
 574         char *prgname = argv[0];
 575         static struct option lgopts[] = {
 576                 {"config", 1, 0, 0},
 577                 {"no-promisc", 0, 0, 0},
 578                 {NULL, 0, 0, 0}
 579         };
 580
 581         argvopt = argv;
 582
 583         while ((opt = getopt_long(argc, argvopt, "p:",
 584                                 lgopts, &option_index)) != EOF) {
 585
 586                 switch (opt) {
 587                 /* portmask */
 588                 case 'p':
 589                         enabled_port_mask = parse_portmask(optarg);
 590                         if (enabled_port_mask == 0) {
 591                                 printf("invalid portmask\n");
 592                                 print_usage(prgname);
 593                                 return -1;
 594                         }
 595                         break;
 596
 597                 /* long options */
 598                 case 0:
 599                         if (strcmp(lgopts[option_index].name, "config") == 0) {
 600                                 ret = parse_config(optarg);
 601                                 if (ret) {
 602                                         printf("invalid config\n");
 603                                         print_usage(prgname);
 604                                         return -1;
 605                                 }
 606                         }
 607                         if (strcmp(lgopts[option_index].name, "no-promisc") == 0) {
 608                                 printf("Promiscuous mode disabled\n");
 609                                 promiscuous_on = 0;
 610                         }
 611                         break;
 612                 default:
 613                         print_usage(prgname);
 614                         return -1;
 615                 }
 616         }
 617
 618         if (enabled_port_mask == 0) {
 619                 printf("portmask not specified\n");
 620                 print_usage(prgname);
 621                 return -1;
 622         }
 623
 624         if (optind >= 0)
 625                 argv[optind-1] = prgname;
 626
 627         ret = optind-1;
 628         optind = 0; /* reset getopt lib */
 629         return ret;
 630 }
 631
 632 static void
 633 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
 634 {
 635         printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name,
 636                 eth_addr->addr_bytes[0],
 637                 eth_addr->addr_bytes[1],
 638                 eth_addr->addr_bytes[2],
 639                 eth_addr->addr_bytes[3],
 640                 eth_addr->addr_bytes[4],
 641                 eth_addr->addr_bytes[5]);
 642 }
 643
 644 static int
 645 init_mem(void)
 646 {
 647         const unsigned flags = 0;
 648         int socketid;
 649         unsigned lcoreid;
 650         char s[64];
 651
 652         RTE_LCORE_FOREACH(lcoreid) {
 653                 socketid = rte_lcore_to_socket_id(lcoreid);
 654                 if (socketid >= RTE_MAX_NUMA_NODES) {
 655                         printf("Socket %d of lcore %u is out of range %d\n",
 656                                 socketid, lcoreid, RTE_MAX_NUMA_NODES);
 657                         return -1;
 658                 }
 659                 if (pktmbuf_pool[socketid] == NULL) {
 660                         rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
 661                         pktmbuf_pool[socketid] =
 662                                 rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32,
 663                                         sizeof(struct rte_pktmbuf_pool_private),
 664                                         rte_pktmbuf_pool_init, NULL,
 665                                         rte_pktmbuf_init, NULL,
 666                                         socketid, flags);
 667                         if (pktmbuf_pool[socketid] == NULL) {
 668                                 printf("Cannot init mbuf pool on socket %d\n", socketid);
 669                                 return -1;
 670                         }
 671                         printf("Allocated mbuf pool on socket %d\n", socketid);
 672                 }
 673         }
 674         return 0;
 675 }
 676
 677 int
 678 MAIN(int argc, char **argv)
 679 {
 680         struct lcore_conf *qconf;
 681         struct rte_eth_link link;
 682         int ret;
 683         unsigned nb_ports;
 684         uint16_t queueid;
 685         unsigned lcoreid;
 686         uint32_t nb_tx_queue;
 687         uint8_t portid, nb_rx_queue, queue, socketid;
 688
 689         /* init EAL */
 690         ret = rte_eal_init(argc, argv);
 691         if (ret < 0)
 692                 return -1;
 693         argc -= ret;
 694         argv += ret;
 695
 696         /* parse application arguments (after the EAL ones) */
 697         ret = parse_args(argc, argv);
 698         if (ret < 0)
 699                 return -1;
 700
 701         /* init driver */
 702 #ifdef RTE_LIBRTE_IGB_PMD
 703         if (rte_igb_pmd_init() < 0)
 704                 rte_panic("Cannot init igb pmd\n");
 705 #endif
 706 #ifdef RTE_LIBRTE_IXGBE_PMD
 707         if (rte_ixgbe_pmd_init() < 0)
 708                 rte_panic("Cannot init ixgbe pmd\n");
 709 #endif
 710
 711         if (rte_eal_pci_probe() < 0)
 712                 rte_panic("Cannot probe PCI\n");
 713
 714         if (check_lcore_params() < 0)
 715                 rte_panic("check_lcore_params failed\n");
 716
 717         ret = init_lcore_rx_queues();
 718         if (ret < 0)
 719                 return -1;
 720
 721         ret = init_mem();
 722         if (ret < 0)
 723                 return -1;
 724
 725         nb_ports = rte_eth_dev_count();
 726         if (nb_ports > RTE_MAX_ETHPORTS)
 727                 nb_ports = RTE_MAX_ETHPORTS;
 728
 729         if (check_port_config(nb_ports) < 0)
 730                 rte_panic("check_port_config failed\n");
 731
 732         /* initialize all ports */
 733         for (portid = 0; portid < nb_ports; portid++) {
 734                 /* skip ports that are not enabled */
 735                 if ((enabled_port_mask & (1 << portid)) == 0) {
 736                         printf("\nSkipping disabled port %d\n", portid);
 737                         continue;
 738                 }
 739
 740                 /* init port */
 741                 printf("Initializing port %d ... ", portid );
 742                 fflush(stdout);
 743
 744                 nb_rx_queue = get_port_n_rx_queues(portid);
 745                 if (nb_rx_queue > get_port_max_rx_queues(portid))
 746                         rte_panic("Number of rx queues %d exceeds max number of rx queues %u"
 747                                 " for port %d\n", nb_rx_queue, get_port_max_rx_queues(portid),
 748                                 portid);
 749                 nb_tx_queue = rte_lcore_count();
 750                 if (nb_tx_queue > get_port_max_tx_queues(portid))
 751                         rte_panic("Number of lcores %u exceeds max number of tx queues %u"
 752                                 " for port %d\n", nb_tx_queue, get_port_max_tx_queues(portid),
 753                                 portid);
 754                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
 755                         nb_rx_queue, (unsigned)nb_tx_queue );
 756                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
 757                                         (uint16_t)nb_tx_queue, &port_conf);
 758                 if (ret < 0)
 759                         rte_panic("Cannot configure device: err=%d, port=%d\n",
 760                                 ret, portid);
 761
 762                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
 763                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
 764                 printf(", ");
 765
 766                 /* init one TX queue per couple (lcore,port) */
 767                 queueid = 0;
 768                 RTE_LCORE_FOREACH(lcoreid) {
 769                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 770                         printf("txq=%u,%d,%d ", lcoreid, queueid, socketid);
 771                         fflush(stdout);
 772                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
 773                                                      socketid, &tx_conf);
 774                         if (ret < 0)
 775                                 rte_panic("rte_eth_tx_queue_setup: err=%d, "
 776                                         "port=%d\n", ret, portid);
 777
 778                         qconf = &lcore_conf[lcoreid];
 779                         qconf->tx_queue_id[portid] = queueid;
 780                         queueid++;
 781                 }
 782                 printf("\n");
 783         }
 784
 785         RTE_LCORE_FOREACH(lcoreid) {
 786                 qconf = &lcore_conf[lcoreid];
 787                 printf("\nInitializing rx queues on lcore %u ... ", lcoreid );
 788                 fflush(stdout);
 789                 /* init RX queues */
 790                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
 791                         portid = qconf->rx_queue_list[queue].port_id;
 792                         queueid = qconf->rx_queue_list[queue].queue_id;
 793                         socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid);
 794                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
 795                         fflush(stdout);
 796
 797                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
 798                                         socketid, &rx_conf, pktmbuf_pool[socketid]);
 799                         if (ret < 0)
 800                                 rte_panic("rte_eth_rx_queue_setup: err=%d,"
 801                                                 "port=%d\n", ret, portid);
 802                 }
 803         }
 804
 805         printf("\n");
 806
 807         /* start ports */
 808         for (portid = 0; portid < nb_ports; portid++) {
 809                 if ((enabled_port_mask & (1 << portid)) == 0)
 810                         continue;
 811                 /* Start device */
 812                 ret = rte_eth_dev_start(portid);
 813                 if (ret < 0)
 814                         rte_panic("rte_eth_dev_start: err=%d, port=%d\n",
 815                                 ret, portid);
 816
 817                 printf("done: Port %d ", portid);
 818
 819                 /* get link status */
 820                 rte_eth_link_get(portid, &link);
 821                 if (link.link_status)
 822                         printf(" Link Up - speed %u Mbps - %s\n",
 823                                (unsigned) link.link_speed,
 824                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
 825                                ("full-duplex") : ("half-duplex\n"));
 826                 else
 827                         printf(" Link Down\n");
 828                 /*
 829                  * If enabled, put device in promiscuous mode.
 830                  * This allows IO forwarding mode to forward packets
 831                  * to itself through 2 cross-connected  ports of the
 832                  * target machine.
 833                  */
 834                 if (promiscuous_on)
 835                         rte_eth_promiscuous_enable(portid);
 836         }
 837         printf("Crypto: Initializing Crypto...\n");
 838         if (crypto_init() != 0)
 839                 return -1;
 840
 841         RTE_LCORE_FOREACH(lcoreid) {
 842                 if (per_core_crypto_init(lcoreid) != 0) {
 843                 printf("Crypto: Cannot init lcore crypto on lcore %u\n", (unsigned)lcoreid);
 844                         return -1;
 845                 }
 846         }
 847         printf("Crypto: Initialization complete\n");
 848         /* launch per-lcore init on every lcore */
 849         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
 850         RTE_LCORE_FOREACH_SLAVE(lcoreid) {
 851                 if (rte_eal_wait_lcore(lcoreid) < 0)
 852                         return -1;
 853         }
 854
 855         return 0;
 856 }