examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 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 <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48
  49 #include <rte_atomic.h>
  50 #include <rte_branch_prediction.h>
  51 #include <rte_common.h>
  52 #include <rte_cryptodev.h>
  53 #include <rte_cycles.h>
  54 #include <rte_debug.h>
  55 #include <rte_eal.h>
  56 #include <rte_ether.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_interrupts.h>
  59 #include <rte_ip.h>
  60 #include <rte_launch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_log.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_memcpy.h>
  66 #include <rte_memory.h>
  67 #include <rte_mempool.h>
  68 #include <rte_memzone.h>
  69 #include <rte_pci.h>
  70 #include <rte_per_lcore.h>
  71 #include <rte_prefetch.h>
  72 #include <rte_random.h>
  73 #include <rte_ring.h>
  74
  75 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  76
  77 #define NB_MBUF   8192
  78
  79 #define MAX_PKT_BURST 32
  80 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  81
  82 /*
  83  * Configurable number of RX/TX ring descriptors
  84  */
  85 #define RTE_TEST_RX_DESC_DEFAULT 128
  86 #define RTE_TEST_TX_DESC_DEFAULT 512
  87
  88 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  89 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  90
  91 /* ethernet addresses of ports */
  92 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  93
  94 /* mask of enabled ports */
  95 static uint64_t l2fwd_enabled_port_mask;
  96 static uint64_t l2fwd_enabled_crypto_mask;
  97
  98 /* list of enabled ports */
  99 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 100
 101
 102 struct pkt_buffer {
 103         unsigned len;
 104         struct rte_mbuf *buffer[MAX_PKT_BURST];
 105 };
 106
 107 struct op_buffer {
 108         unsigned len;
 109         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 110 };
 111
 112 #define MAX_RX_QUEUE_PER_LCORE 16
 113 #define MAX_TX_QUEUE_PER_PORT 16
 114
 115 enum l2fwd_crypto_xform_chain {
 116         L2FWD_CRYPTO_CIPHER_HASH,
 117         L2FWD_CRYPTO_HASH_CIPHER
 118 };
 119
 120 struct l2fwd_key {
 121         uint8_t *data;
 122         uint32_t length;
 123         phys_addr_t phys_addr;
 124 };
 125
 126 /** l2fwd crypto application command line options */
 127 struct l2fwd_crypto_options {
 128         unsigned portmask;
 129         unsigned nb_ports_per_lcore;
 130         unsigned refresh_period;
 131         unsigned single_lcore:1;
 132
 133         enum rte_cryptodev_type cdev_type;
 134         unsigned sessionless:1;
 135
 136         enum l2fwd_crypto_xform_chain xform_chain;
 137
 138         struct rte_crypto_sym_xform cipher_xform;
 139         uint8_t ckey_data[32];
 140
 141         struct l2fwd_key iv_key;
 142         uint8_t ivkey_data[16];
 143
 144         struct rte_crypto_sym_xform auth_xform;
 145         uint8_t akey_data[128];
 146 };
 147
 148 /** l2fwd crypto lcore params */
 149 struct l2fwd_crypto_params {
 150         uint8_t dev_id;
 151         uint8_t qp_id;
 152
 153         unsigned digest_length;
 154         unsigned block_size;
 155         struct l2fwd_key iv_key;
 156         struct rte_cryptodev_sym_session *session;
 157 };
 158
 159 /** lcore configuration */
 160 struct lcore_queue_conf {
 161         unsigned nb_rx_ports;
 162         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 163
 164         unsigned nb_crypto_devs;
 165         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 166
 167         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
 168         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 169 } __rte_cache_aligned;
 170
 171 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 172
 173 static const struct rte_eth_conf port_conf = {
 174         .rxmode = {
 175                 .split_hdr_size = 0,
 176                 .header_split   = 0, /**< Header Split disabled */
 177                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 178                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 179                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 180                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 181         },
 182         .txmode = {
 183                 .mq_mode = ETH_MQ_TX_NONE,
 184         },
 185 };
 186
 187 struct rte_mempool *l2fwd_pktmbuf_pool;
 188 struct rte_mempool *l2fwd_crypto_op_pool;
 189
 190 /* Per-port statistics struct */
 191 struct l2fwd_port_statistics {
 192         uint64_t tx;
 193         uint64_t rx;
 194
 195         uint64_t crypto_enqueued;
 196         uint64_t crypto_dequeued;
 197
 198         uint64_t dropped;
 199 } __rte_cache_aligned;
 200
 201 struct l2fwd_crypto_statistics {
 202         uint64_t enqueued;
 203         uint64_t dequeued;
 204
 205         uint64_t errors;
 206 } __rte_cache_aligned;
 207
 208 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 209 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS];
 210
 211 /* A tsc-based timer responsible for triggering statistics printout */
 212 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 213 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 214
 215 /* default period is 10 seconds */
 216 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 217
 218 /* Print out statistics on packets dropped */
 219 static void
 220 print_stats(void)
 221 {
 222         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 223         uint64_t total_packets_enqueued, total_packets_dequeued,
 224                 total_packets_errors;
 225         unsigned portid;
 226         uint64_t cdevid;
 227
 228         total_packets_dropped = 0;
 229         total_packets_tx = 0;
 230         total_packets_rx = 0;
 231         total_packets_enqueued = 0;
 232         total_packets_dequeued = 0;
 233         total_packets_errors = 0;
 234
 235         const char clr[] = { 27, '[', '2', 'J', '\0' };
 236         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 237
 238                 /* Clear screen and move to top left */
 239         printf("%s%s", clr, topLeft);
 240
 241         printf("\nPort statistics ====================================");
 242
 243         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 244                 /* skip disabled ports */
 245                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 246                         continue;
 247                 printf("\nStatistics for port %u ------------------------------"
 248                            "\nPackets sent: %32"PRIu64
 249                            "\nPackets received: %28"PRIu64
 250                            "\nPackets dropped: %29"PRIu64,
 251                            portid,
 252                            port_statistics[portid].tx,
 253                            port_statistics[portid].rx,
 254                            port_statistics[portid].dropped);
 255
 256                 total_packets_dropped += port_statistics[portid].dropped;
 257                 total_packets_tx += port_statistics[portid].tx;
 258                 total_packets_rx += port_statistics[portid].rx;
 259         }
 260         printf("\nCrypto statistics ==================================");
 261
 262         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 263                 /* skip disabled ports */
 264                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 265                         continue;
 266                 printf("\nStatistics for cryptodev %"PRIu64
 267                                 " -------------------------"
 268                            "\nPackets enqueued: %28"PRIu64
 269                            "\nPackets dequeued: %28"PRIu64
 270                            "\nPackets errors: %30"PRIu64,
 271                            cdevid,
 272                            crypto_statistics[cdevid].enqueued,
 273                            crypto_statistics[cdevid].dequeued,
 274                            crypto_statistics[cdevid].errors);
 275
 276                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 277                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 278                 total_packets_errors += crypto_statistics[cdevid].errors;
 279         }
 280         printf("\nAggregate statistics ==============================="
 281                    "\nTotal packets received: %22"PRIu64
 282                    "\nTotal packets enqueued: %22"PRIu64
 283                    "\nTotal packets dequeued: %22"PRIu64
 284                    "\nTotal packets sent: %26"PRIu64
 285                    "\nTotal packets dropped: %23"PRIu64
 286                    "\nTotal packets crypto errors: %17"PRIu64,
 287                    total_packets_rx,
 288                    total_packets_enqueued,
 289                    total_packets_dequeued,
 290                    total_packets_tx,
 291                    total_packets_dropped,
 292                    total_packets_errors);
 293         printf("\n====================================================\n");
 294 }
 295
 296
 297
 298 static int
 299 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 300                 struct l2fwd_crypto_params *cparams)
 301 {
 302         struct rte_crypto_op **op_buffer;
 303         unsigned ret;
 304
 305         op_buffer = (struct rte_crypto_op **)
 306                         qconf->op_buf[cparams->dev_id].buffer;
 307
 308         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 309                         cparams->qp_id, op_buffer, (uint16_t) n);
 310
 311         crypto_statistics[cparams->dev_id].enqueued += ret;
 312         if (unlikely(ret < n)) {
 313                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 314                 do {
 315                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 316                         rte_crypto_op_free(op_buffer[ret]);
 317                 } while (++ret < n);
 318         }
 319
 320         return 0;
 321 }
 322
 323 static int
 324 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 325                 struct l2fwd_crypto_params *cparams)
 326 {
 327         unsigned lcore_id, len;
 328         struct lcore_queue_conf *qconf;
 329
 330         lcore_id = rte_lcore_id();
 331
 332         qconf = &lcore_queue_conf[lcore_id];
 333         len = qconf->op_buf[cparams->dev_id].len;
 334         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 335         len++;
 336
 337         /* enough ops to be sent */
 338         if (len == MAX_PKT_BURST) {
 339                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 340                 len = 0;
 341         }
 342
 343         qconf->op_buf[cparams->dev_id].len = len;
 344         return 0;
 345 }
 346
 347 static int
 348 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 349                 struct rte_crypto_op *op,
 350                 struct l2fwd_crypto_params *cparams)
 351 {
 352         struct ether_hdr *eth_hdr;
 353         struct ipv4_hdr *ip_hdr;
 354
 355         unsigned ipdata_offset, pad_len, data_len;
 356         char *padding;
 357
 358         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 359
 360         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 361                 return -1;
 362
 363         ipdata_offset = sizeof(struct ether_hdr);
 364
 365         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 366                         ipdata_offset);
 367
 368         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 369                         * IPV4_IHL_MULTIPLIER;
 370
 371
 372         /* Zero pad data to be crypto'd so it is block aligned */
 373         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 374         pad_len = data_len % cparams->block_size ? cparams->block_size -
 375                         (data_len % cparams->block_size) : 0;
 376
 377         if (pad_len) {
 378                 padding = rte_pktmbuf_append(m, pad_len);
 379                 if (unlikely(!padding))
 380                         return -1;
 381
 382                 data_len += pad_len;
 383                 memset(padding, 0, pad_len);
 384         }
 385
 386         /* Set crypto operation data parameters */
 387         rte_crypto_op_attach_sym_session(op, cparams->session);
 388
 389         /* Append space for digest to end of packet */
 390         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 391                         cparams->digest_length);
 392         op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 393                         rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 394         op->sym->auth.digest.length = cparams->digest_length;
 395
 396         op->sym->auth.data.offset = ipdata_offset;
 397         op->sym->auth.data.length = data_len;
 398
 399
 400         op->sym->cipher.iv.data = cparams->iv_key.data;
 401         op->sym->cipher.iv.phys_addr = cparams->iv_key.phys_addr;
 402         op->sym->cipher.iv.length = cparams->iv_key.length;
 403
 404         op->sym->cipher.data.offset = ipdata_offset;
 405         op->sym->cipher.data.length = data_len;
 406
 407         op->sym->m_src = m;
 408
 409         return l2fwd_crypto_enqueue(op, cparams);
 410 }
 411
 412
 413 /* Send the burst of packets on an output interface */
 414 static int
 415 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 416                 uint8_t port)
 417 {
 418         struct rte_mbuf **pkt_buffer;
 419         unsigned ret;
 420
 421         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 422
 423         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 424         port_statistics[port].tx += ret;
 425         if (unlikely(ret < n)) {
 426                 port_statistics[port].dropped += (n - ret);
 427                 do {
 428                         rte_pktmbuf_free(pkt_buffer[ret]);
 429                 } while (++ret < n);
 430         }
 431
 432         return 0;
 433 }
 434
 435 /* Enqueue packets for TX and prepare them to be sent */
 436 static int
 437 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 438 {
 439         unsigned lcore_id, len;
 440         struct lcore_queue_conf *qconf;
 441
 442         lcore_id = rte_lcore_id();
 443
 444         qconf = &lcore_queue_conf[lcore_id];
 445         len = qconf->pkt_buf[port].len;
 446         qconf->pkt_buf[port].buffer[len] = m;
 447         len++;
 448
 449         /* enough pkts to be sent */
 450         if (unlikely(len == MAX_PKT_BURST)) {
 451                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 452                 len = 0;
 453         }
 454
 455         qconf->pkt_buf[port].len = len;
 456         return 0;
 457 }
 458
 459 static void
 460 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 461 {
 462         struct ether_hdr *eth;
 463         void *tmp;
 464         unsigned dst_port;
 465
 466         dst_port = l2fwd_dst_ports[portid];
 467         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 468
 469         /* 02:00:00:00:00:xx */
 470         tmp = &eth->d_addr.addr_bytes[0];
 471         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 472
 473         /* src addr */
 474         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 475
 476         l2fwd_send_packet(m, (uint8_t) dst_port);
 477 }
 478
 479 /** Generate random key */
 480 static void
 481 generate_random_key(uint8_t *key, unsigned length)
 482 {
 483         unsigned i;
 484
 485         for (i = 0; i < length; i++)
 486                 key[i] = rand() % 0xff;
 487 }
 488
 489 static struct rte_cryptodev_sym_session *
 490 initialize_crypto_session(struct l2fwd_crypto_options *options,
 491                 uint8_t cdev_id)
 492 {
 493         struct rte_crypto_sym_xform *first_xform;
 494
 495         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 496                 first_xform = &options->cipher_xform;
 497                 first_xform->next = &options->auth_xform;
 498         } else {
 499                 first_xform = &options->auth_xform;
 500                 first_xform->next = &options->cipher_xform;
 501         }
 502
 503         /* Setup Cipher Parameters */
 504         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 505 }
 506
 507 static void
 508 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 509
 510 /* main processing loop */
 511 static void
 512 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 513 {
 514         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 515         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 516
 517         unsigned lcore_id = rte_lcore_id();
 518         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 519         unsigned i, j, portid, nb_rx;
 520         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 521         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 522                         US_PER_S * BURST_TX_DRAIN_US;
 523         struct l2fwd_crypto_params *cparams;
 524         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 525
 526         if (qconf->nb_rx_ports == 0) {
 527                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 528                 return;
 529         }
 530
 531         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 532
 533         l2fwd_crypto_options_print(options);
 534
 535         for (i = 0; i < qconf->nb_rx_ports; i++) {
 536
 537                 portid = qconf->rx_port_list[i];
 538                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 539                         portid);
 540         }
 541
 542         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 543                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 544                 port_cparams[i].qp_id = 0;
 545
 546                 port_cparams[i].block_size = 64;
 547                 port_cparams[i].digest_length = 20;
 548
 549                 port_cparams[i].iv_key.data =
 550                                 (uint8_t *)rte_malloc(NULL, 16, 8);
 551                 port_cparams[i].iv_key.length = 16;
 552                 port_cparams[i].iv_key.phys_addr = rte_malloc_virt2phy(
 553                                 (void *)port_cparams[i].iv_key.data);
 554                 generate_random_key(port_cparams[i].iv_key.data,
 555                                 sizeof(cparams[i].iv_key.length));
 556
 557                 port_cparams[i].session = initialize_crypto_session(options,
 558                                 port_cparams[i].dev_id);
 559
 560                 if (port_cparams[i].session == NULL)
 561                         return;
 562                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 563                                 port_cparams[i].dev_id);
 564         }
 565
 566         while (1) {
 567
 568                 cur_tsc = rte_rdtsc();
 569
 570                 /*
 571                  * TX burst queue drain
 572                  */
 573                 diff_tsc = cur_tsc - prev_tsc;
 574                 if (unlikely(diff_tsc > drain_tsc)) {
 575
 576                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 577                                 if (qconf->pkt_buf[portid].len == 0)
 578                                         continue;
 579                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 580                                                  qconf->pkt_buf[portid].len,
 581                                                  (uint8_t) portid);
 582                                 qconf->pkt_buf[portid].len = 0;
 583                         }
 584
 585                         /* if timer is enabled */
 586                         if (timer_period > 0) {
 587
 588                                 /* advance the timer */
 589                                 timer_tsc += diff_tsc;
 590
 591                                 /* if timer has reached its timeout */
 592                                 if (unlikely(timer_tsc >=
 593                                                 (uint64_t)timer_period)) {
 594
 595                                         /* do this only on master core */
 596                                         if (lcore_id == rte_get_master_lcore()
 597                                                 && options->refresh_period) {
 598                                                 print_stats();
 599                                                 timer_tsc = 0;
 600                                         }
 601                                 }
 602                         }
 603
 604                         prev_tsc = cur_tsc;
 605                 }
 606
 607                 /*
 608                  * Read packet from RX queues
 609                  */
 610                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 611                         portid = qconf->rx_port_list[i];
 612
 613                         cparams = &port_cparams[i];
 614
 615                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 616                                                  pkts_burst, MAX_PKT_BURST);
 617
 618                         port_statistics[portid].rx += nb_rx;
 619
 620                         if (nb_rx) {
 621                                 /*
 622                                  * If we can't allocate a crypto_ops, then drop
 623                                  * the rest of the burst and dequeue and
 624                                  * process the packets to free offload structs
 625                                  */
 626                                 if (rte_crypto_op_bulk_alloc(
 627                                                 l2fwd_crypto_op_pool,
 628                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 629                                                 ops_burst, nb_rx) !=
 630                                                                 nb_rx) {
 631                                         for (j = 0; j < nb_rx; j++)
 632                                                 rte_pktmbuf_free(pkts_burst[i]);
 633
 634                                         nb_rx = 0;
 635                                 }
 636
 637                                 /* Enqueue packets from Crypto device*/
 638                                 for (j = 0; j < nb_rx; j++) {
 639                                         m = pkts_burst[j];
 640
 641                                         l2fwd_simple_crypto_enqueue(m,
 642                                                         ops_burst[j], cparams);
 643                                 }
 644                         }
 645
 646                         /* Dequeue packets from Crypto device */
 647                         do {
 648                                 nb_rx = rte_cryptodev_dequeue_burst(
 649                                                 cparams->dev_id, cparams->qp_id,
 650                                                 ops_burst, MAX_PKT_BURST);
 651
 652                                 crypto_statistics[cparams->dev_id].dequeued +=
 653                                                 nb_rx;
 654
 655                                 /* Forward crypto'd packets */
 656                                 for (j = 0; j < nb_rx; j++) {
 657                                         m = ops_burst[j]->sym->m_src;
 658
 659                                         rte_crypto_op_free(ops_burst[j]);
 660                                         l2fwd_simple_forward(m, portid);
 661                                 }
 662                         } while (nb_rx == MAX_PKT_BURST);
 663                 }
 664         }
 665 }
 666
 667 static int
 668 l2fwd_launch_one_lcore(void *arg)
 669 {
 670         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 671         return 0;
 672 }
 673
 674 /* Display command line arguments usage */
 675 static void
 676 l2fwd_crypto_usage(const char *prgname)
 677 {
 678         printf("%s [EAL options] -- --cdev TYPE [optional parameters]\n"
 679                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 680                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 681                 "  -s manage all ports from single lcore"
 682                 "  -t PERIOD: statistics will be refreshed each PERIOD seconds"
 683                 " (0 to disable, 10 default, 86400 maximum)\n"
 684
 685                 "  --cdev AESNI_MB / QAT\n"
 686                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 687
 688                 "  --cipher_algo ALGO\n"
 689                 "  --cipher_op ENCRYPT / DECRYPT\n"
 690                 "  --cipher_key KEY\n"
 691                 "  --iv IV\n"
 692
 693                 "  --auth_algo ALGO\n"
 694                 "  --auth_op GENERATE / VERIFY\n"
 695                 "  --auth_key KEY\n"
 696
 697                 "  --sessionless\n",
 698                prgname);
 699 }
 700
 701 /** Parse crypto device type command line argument */
 702 static int
 703 parse_cryptodev_type(enum rte_cryptodev_type *type, char *optarg)
 704 {
 705         if (strcmp("AESNI_MB", optarg) == 0) {
 706                 *type = RTE_CRYPTODEV_AESNI_MB_PMD;
 707                 return 0;
 708         } else if (strcmp("QAT", optarg) == 0) {
 709                 *type = RTE_CRYPTODEV_QAT_SYM_PMD;
 710                 return 0;
 711         }
 712
 713         return -1;
 714 }
 715
 716 /** Parse crypto chain xform command line argument */
 717 static int
 718 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 719 {
 720         if (strcmp("CIPHER_HASH", optarg) == 0) {
 721                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 722                 return 0;
 723         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 724                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 725                 return 0;
 726         }
 727
 728         return -1;
 729 }
 730
 731 /** Parse crypto cipher algo option command line argument */
 732 static int
 733 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 734 {
 735         if (strcmp("AES_CBC", optarg) == 0) {
 736                 *algo = RTE_CRYPTO_CIPHER_AES_CBC;
 737                 return 0;
 738         } else if (strcmp("AES_GCM", optarg) == 0) {
 739                 *algo = RTE_CRYPTO_CIPHER_AES_GCM;
 740                 return 0;
 741         }
 742
 743         printf("Cipher algorithm  not supported!\n");
 744         return -1;
 745 }
 746
 747 /** Parse crypto cipher operation command line argument */
 748 static int
 749 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 750 {
 751         if (strcmp("ENCRYPT", optarg) == 0) {
 752                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 753                 return 0;
 754         } else if (strcmp("DECRYPT", optarg) == 0) {
 755                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 756                 return 0;
 757         }
 758
 759         printf("Cipher operation not supported!\n");
 760         return -1;
 761 }
 762
 763 /** Parse crypto key command line argument */
 764 static int
 765 parse_key(struct l2fwd_key *key __rte_unused,
 766                 unsigned length __rte_unused, char *arg __rte_unused)
 767 {
 768         printf("Currently an unsupported argument!\n");
 769         return -1;
 770 }
 771
 772 /** Parse crypto cipher operation command line argument */
 773 static int
 774 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 775 {
 776         if (strcmp("MD5_HMAC", optarg) == 0) {
 777                 *algo = RTE_CRYPTO_AUTH_MD5_HMAC;
 778                 return 0;
 779         } else if (strcmp("SHA1_HMAC", optarg) == 0) {
 780                 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 781                 return 0;
 782         } else if (strcmp("SHA224_HMAC", optarg) == 0) {
 783                 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC;
 784                 return 0;
 785         } else if (strcmp("SHA256_HMAC", optarg) == 0) {
 786                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 787                 return 0;
 788         }  else if (strcmp("SHA384_HMAC", optarg) == 0) {
 789                 *algo = RTE_CRYPTO_AUTH_SHA384_HMAC;
 790                 return 0;
 791         } else if (strcmp("SHA512_HMAC", optarg) == 0) {
 792                 *algo = RTE_CRYPTO_AUTH_SHA512_HMAC;
 793                 return 0;
 794         }
 795
 796         printf("Authentication algorithm specified not supported!\n");
 797         return -1;
 798 }
 799
 800 static int
 801 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 802 {
 803         if (strcmp("VERIFY", optarg) == 0) {
 804                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 805                 return 0;
 806         } else if (strcmp("GENERATE", optarg) == 0) {
 807                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 808                 return 0;
 809         }
 810
 811         printf("Authentication operation specified not supported!\n");
 812         return -1;
 813 }
 814
 815 /** Parse long options */
 816 static int
 817 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
 818                 struct option *lgopts, int option_index)
 819 {
 820         if (strcmp(lgopts[option_index].name, "cdev_type") == 0)
 821                 return parse_cryptodev_type(&options->cdev_type, optarg);
 822
 823         else if (strcmp(lgopts[option_index].name, "chain") == 0)
 824                 return parse_crypto_opt_chain(options, optarg);
 825
 826         /* Cipher options */
 827         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
 828                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
 829                                 optarg);
 830
 831         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
 832                 return parse_cipher_op(&options->cipher_xform.cipher.op,
 833                                 optarg);
 834
 835         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
 836                 struct l2fwd_key key = { 0 };
 837                 int retval = 0;
 838
 839                 retval = parse_key(&key, sizeof(options->ckey_data), optarg);
 840
 841                 options->cipher_xform.cipher.key.data = key.data;
 842                 options->cipher_xform.cipher.key.length = key.length;
 843
 844                 return retval;
 845         } else if (strcmp(lgopts[option_index].name, "iv") == 0)
 846                 return parse_key(&options->iv_key, sizeof(options->ivkey_data),
 847                                 optarg);
 848
 849         /* Authentication options */
 850         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0)
 851                 return parse_auth_algo(&options->auth_xform.auth.algo,
 852                                 optarg);
 853
 854         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
 855                 return parse_auth_op(&options->auth_xform.auth.op,
 856                                 optarg);
 857
 858         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
 859                 struct l2fwd_key key = { 0 };
 860                 int retval = 0;
 861
 862                 retval = parse_key(&key, sizeof(options->akey_data), optarg);
 863
 864                 options->auth_xform.auth.key.data = key.data;
 865                 options->auth_xform.auth.key.length = key.length;
 866
 867                 return retval;
 868         } else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
 869                 options->sessionless = 1;
 870                 return 0;
 871         }
 872
 873         return -1;
 874 }
 875
 876 /** Parse port mask */
 877 static int
 878 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
 879                 const char *q_arg)
 880 {
 881         char *end = NULL;
 882         unsigned long pm;
 883
 884         /* parse hexadecimal string */
 885         pm = strtoul(q_arg, &end, 16);
 886         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
 887                 pm = 0;
 888
 889         options->portmask = pm;
 890         if (options->portmask == 0) {
 891                 printf("invalid portmask specified\n");
 892                 return -1;
 893         }
 894
 895         return pm;
 896 }
 897
 898 /** Parse number of queues */
 899 static int
 900 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
 901                 const char *q_arg)
 902 {
 903         char *end = NULL;
 904         unsigned long n;
 905
 906         /* parse hexadecimal string */
 907         n = strtoul(q_arg, &end, 10);
 908         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 909                 n = 0;
 910         else if (n >= MAX_RX_QUEUE_PER_LCORE)
 911                 n = 0;
 912
 913         options->nb_ports_per_lcore = n;
 914         if (options->nb_ports_per_lcore == 0) {
 915                 printf("invalid number of ports selected\n");
 916                 return -1;
 917         }
 918
 919         return 0;
 920 }
 921
 922 /** Parse timer period */
 923 static int
 924 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
 925                 const char *q_arg)
 926 {
 927         char *end = NULL;
 928         unsigned long n;
 929
 930         /* parse number string */
 931         n = (unsigned)strtol(q_arg, &end, 10);
 932         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 933                 n = 0;
 934
 935         if (n >= MAX_TIMER_PERIOD) {
 936                 printf("Warning refresh period specified %lu is greater than "
 937                                 "max value %lu! using max value",
 938                                 n, MAX_TIMER_PERIOD);
 939                 n = MAX_TIMER_PERIOD;
 940         }
 941
 942         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
 943
 944         return 0;
 945 }
 946
 947 /** Generate default options for application */
 948 static void
 949 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
 950 {
 951         srand(time(NULL));
 952
 953         options->portmask = 0xffffffff;
 954         options->nb_ports_per_lcore = 1;
 955         options->refresh_period = 10000;
 956         options->single_lcore = 0;
 957         options->sessionless = 0;
 958
 959         options->cdev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
 960         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 961
 962         /* Cipher Data */
 963         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
 964         options->cipher_xform.next = NULL;
 965
 966         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
 967         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 968
 969         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
 970
 971         options->cipher_xform.cipher.key.data = options->ckey_data;
 972         options->cipher_xform.cipher.key.length = 16;
 973
 974
 975         /* Authentication Data */
 976         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
 977         options->auth_xform.next = NULL;
 978
 979         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 980         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
 981
 982         options->auth_xform.auth.add_auth_data_length = 0;
 983         options->auth_xform.auth.digest_length = 20;
 984
 985         generate_random_key(options->akey_data, sizeof(options->akey_data));
 986
 987         options->auth_xform.auth.key.data = options->akey_data;
 988         options->auth_xform.auth.key.length = 20;
 989 }
 990
 991 static void
 992 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
 993 {
 994         printf("Options:-\nn");
 995         printf("portmask: %x\n", options->portmask);
 996         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
 997         printf("refresh period : %u\n", options->refresh_period);
 998         printf("single lcore mode: %s\n",
 999                         options->single_lcore ? "enabled" : "disabled");
1000         printf("stats_printing: %s\n",
1001                         options->refresh_period == 0 ? "disabled" : "enabled");
1002
1003         switch (options->cdev_type) {
1004         case RTE_CRYPTODEV_AESNI_MB_PMD:
1005                 printf("cryptodev type: AES-NI MB PMD\n"); break;
1006         case RTE_CRYPTODEV_QAT_SYM_PMD:
1007                 printf("cryptodev type: QAT PMD\n"); break;
1008         default:
1009                 break;
1010         }
1011
1012         printf("sessionless crypto: %s\n",
1013                         options->sessionless ? "enabled" : "disabled");
1014 }
1015
1016 /* Parse the argument given in the command line of the application */
1017 static int
1018 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1019                 int argc, char **argv)
1020 {
1021         int opt, retval, option_index;
1022         char **argvopt = argv, *prgname = argv[0];
1023
1024         static struct option lgopts[] = {
1025                         { "sessionless", no_argument, 0, 0 },
1026
1027                         { "cdev_type", required_argument, 0, 0 },
1028                         { "chain", required_argument, 0, 0 },
1029
1030                         { "cipher_algo", required_argument, 0, 0 },
1031                         { "cipher_op", required_argument, 0, 0 },
1032                         { "cipher_key", required_argument, 0, 0 },
1033
1034                         { "auth_algo", required_argument, 0, 0 },
1035                         { "auth_op", required_argument, 0, 0 },
1036                         { "auth_key", required_argument, 0, 0 },
1037
1038                         { "iv", required_argument, 0, 0 },
1039
1040                         { "sessionless", no_argument, 0, 0 },
1041
1042                         { NULL, 0, 0, 0 }
1043         };
1044
1045         l2fwd_crypto_default_options(options);
1046
1047         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1048                         &option_index)) != EOF) {
1049                 switch (opt) {
1050                 /* long options */
1051                 case 0:
1052                         retval = l2fwd_crypto_parse_args_long_options(options,
1053                                         lgopts, option_index);
1054                         if (retval < 0) {
1055                                 l2fwd_crypto_usage(prgname);
1056                                 return -1;
1057                         }
1058                         break;
1059
1060                 /* portmask */
1061                 case 'p':
1062                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1063                         if (retval < 0) {
1064                                 l2fwd_crypto_usage(prgname);
1065                                 return -1;
1066                         }
1067                         break;
1068
1069                 /* nqueue */
1070                 case 'q':
1071                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1072                         if (retval < 0) {
1073                                 l2fwd_crypto_usage(prgname);
1074                                 return -1;
1075                         }
1076                         break;
1077
1078                 /* single  */
1079                 case 's':
1080                         options->single_lcore = 1;
1081
1082                         break;
1083
1084                 /* timer period */
1085                 case 't':
1086                         retval = l2fwd_crypto_parse_timer_period(options,
1087                                         optarg);
1088                         if (retval < 0) {
1089                                 l2fwd_crypto_usage(prgname);
1090                                 return -1;
1091                         }
1092                         break;
1093
1094                 default:
1095                         l2fwd_crypto_usage(prgname);
1096                         return -1;
1097                 }
1098         }
1099
1100
1101         if (optind >= 0)
1102                 argv[optind-1] = prgname;
1103
1104         retval = optind-1;
1105         optind = 0; /* reset getopt lib */
1106
1107         return retval;
1108 }
1109
1110 /* Check the link status of all ports in up to 9s, and print them finally */
1111 static void
1112 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1113 {
1114 #define CHECK_INTERVAL 100 /* 100ms */
1115 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1116         uint8_t portid, count, all_ports_up, print_flag = 0;
1117         struct rte_eth_link link;
1118
1119         printf("\nChecking link status");
1120         fflush(stdout);
1121         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1122                 all_ports_up = 1;
1123                 for (portid = 0; portid < port_num; portid++) {
1124                         if ((port_mask & (1 << portid)) == 0)
1125                                 continue;
1126                         memset(&link, 0, sizeof(link));
1127                         rte_eth_link_get_nowait(portid, &link);
1128                         /* print link status if flag set */
1129                         if (print_flag == 1) {
1130                                 if (link.link_status)
1131                                         printf("Port %d Link Up - speed %u "
1132                                                 "Mbps - %s\n", (uint8_t)portid,
1133                                                 (unsigned)link.link_speed,
1134                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1135                                         ("full-duplex") : ("half-duplex\n"));
1136                                 else
1137                                         printf("Port %d Link Down\n",
1138                                                 (uint8_t)portid);
1139                                 continue;
1140                         }
1141                         /* clear all_ports_up flag if any link down */
1142                         if (link.link_status == 0) {
1143                                 all_ports_up = 0;
1144                                 break;
1145                         }
1146                 }
1147                 /* after finally printing all link status, get out */
1148                 if (print_flag == 1)
1149                         break;
1150
1151                 if (all_ports_up == 0) {
1152                         printf(".");
1153                         fflush(stdout);
1154                         rte_delay_ms(CHECK_INTERVAL);
1155                 }
1156
1157                 /* set the print_flag if all ports up or timeout */
1158                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1159                         print_flag = 1;
1160                         printf("done\n");
1161                 }
1162         }
1163 }
1164
1165 static int
1166 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports)
1167 {
1168         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1169         int retval;
1170
1171         if (options->cdev_type == RTE_CRYPTODEV_QAT_SYM_PMD) {
1172                 if (rte_cryptodev_count() < nb_ports)
1173                         return -1;
1174         } else if (options->cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
1175                 for (i = 0; i < nb_ports; i++) {
1176                         int retval = rte_eal_vdev_init(CRYPTODEV_NAME_AESNI_MB_PMD,
1177                                         NULL);
1178                         if (retval < 0)
1179                                 return -1;
1180                 }
1181         }
1182
1183         cdev_count = rte_cryptodev_count();
1184         for (cdev_id = 0;
1185                         cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1186                         cdev_id++) {
1187                 struct rte_cryptodev_qp_conf qp_conf;
1188                 struct rte_cryptodev_info dev_info;
1189
1190                 struct rte_cryptodev_config conf = {
1191                         .nb_queue_pairs = 1,
1192                         .socket_id = SOCKET_ID_ANY,
1193                         .session_mp = {
1194                                 .nb_objs = 2048,
1195                                 .cache_size = 64
1196                         }
1197                 };
1198
1199                 rte_cryptodev_info_get(cdev_id, &dev_info);
1200
1201                 if (dev_info.dev_type != options->cdev_type)
1202                         continue;
1203
1204
1205                 retval = rte_cryptodev_configure(cdev_id, &conf);
1206                 if (retval < 0) {
1207                         printf("Failed to configure cryptodev %u", cdev_id);
1208                         return -1;
1209                 }
1210
1211                 qp_conf.nb_descriptors = 2048;
1212
1213                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1214                                 SOCKET_ID_ANY);
1215                 if (retval < 0) {
1216                         printf("Failed to setup queue pair %u on cryptodev %u",
1217                                         0, cdev_id);
1218                         return -1;
1219                 }
1220
1221                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1222
1223                 enabled_cdev_count++;
1224         }
1225
1226         return enabled_cdev_count;
1227 }
1228
1229 static int
1230 initialize_ports(struct l2fwd_crypto_options *options)
1231 {
1232         uint8_t last_portid, portid;
1233         unsigned enabled_portcount = 0;
1234         unsigned nb_ports = rte_eth_dev_count();
1235
1236         if (nb_ports == 0) {
1237                 printf("No Ethernet ports - bye\n");
1238                 return -1;
1239         }
1240
1241         if (nb_ports > RTE_MAX_ETHPORTS)
1242                 nb_ports = RTE_MAX_ETHPORTS;
1243
1244         /* Reset l2fwd_dst_ports */
1245         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1246                 l2fwd_dst_ports[portid] = 0;
1247
1248         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1249                 int retval;
1250
1251                 /* Skip ports that are not enabled */
1252                 if ((options->portmask & (1 << portid)) == 0)
1253                         continue;
1254
1255                 /* init port */
1256                 printf("Initializing port %u... ", (unsigned) portid);
1257                 fflush(stdout);
1258                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1259                 if (retval < 0) {
1260                         printf("Cannot configure device: err=%d, port=%u\n",
1261                                   retval, (unsigned) portid);
1262                         return -1;
1263                 }
1264
1265                 /* init one RX queue */
1266                 fflush(stdout);
1267                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1268                                              rte_eth_dev_socket_id(portid),
1269                                              NULL, l2fwd_pktmbuf_pool);
1270                 if (retval < 0) {
1271                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1272                                         retval, (unsigned) portid);
1273                         return -1;
1274                 }
1275
1276                 /* init one TX queue on each port */
1277                 fflush(stdout);
1278                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1279                                 rte_eth_dev_socket_id(portid),
1280                                 NULL);
1281                 if (retval < 0) {
1282                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1283                                 retval, (unsigned) portid);
1284
1285                         return -1;
1286                 }
1287
1288                 /* Start device */
1289                 retval = rte_eth_dev_start(portid);
1290                 if (retval < 0) {
1291                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1292                                         retval, (unsigned) portid);
1293                         return -1;
1294                 }
1295
1296                 rte_eth_promiscuous_enable(portid);
1297
1298                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1299
1300                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1301                                 (unsigned) portid,
1302                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1303                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1304                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1305                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1306                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1307                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1308
1309                 /* initialize port stats */
1310                 memset(&port_statistics, 0, sizeof(port_statistics));
1311
1312                 /* Setup port forwarding table */
1313                 if (enabled_portcount % 2) {
1314                         l2fwd_dst_ports[portid] = last_portid;
1315                         l2fwd_dst_ports[last_portid] = portid;
1316                 } else {
1317                         last_portid = portid;
1318                 }
1319
1320                 l2fwd_enabled_port_mask |= (1 << portid);
1321                 enabled_portcount++;
1322         }
1323
1324         if (enabled_portcount == 1) {
1325                 l2fwd_dst_ports[last_portid] = last_portid;
1326         } else if (enabled_portcount % 2) {
1327                 printf("odd number of ports in portmask- bye\n");
1328                 return -1;
1329         }
1330
1331         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1332
1333         return enabled_portcount;
1334 }
1335
1336 int
1337 main(int argc, char **argv)
1338 {
1339         struct lcore_queue_conf *qconf;
1340         struct l2fwd_crypto_options options;
1341
1342         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1343         unsigned lcore_id, rx_lcore_id;
1344         int ret, enabled_cdevcount, enabled_portcount;
1345
1346         /* init EAL */
1347         ret = rte_eal_init(argc, argv);
1348         if (ret < 0)
1349                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1350         argc -= ret;
1351         argv += ret;
1352
1353         /* parse application arguments (after the EAL ones) */
1354         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1355         if (ret < 0)
1356                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1357
1358         /* create the mbuf pool */
1359         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1360                         sizeof(struct rte_crypto_op),
1361                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1362         if (l2fwd_pktmbuf_pool == NULL)
1363                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1364
1365         /* create crypto op pool */
1366         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1367                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1368                         rte_socket_id());
1369         if (l2fwd_crypto_op_pool == NULL)
1370                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1371
1372         /* Enable Ethernet ports */
1373         enabled_portcount = initialize_ports(&options);
1374         if (enabled_portcount < 1)
1375                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1376
1377         nb_ports = rte_eth_dev_count();
1378         /* Initialize the port/queue configuration of each logical core */
1379         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1380                         portid < nb_ports; portid++) {
1381
1382                 /* skip ports that are not enabled */
1383                 if ((options.portmask & (1 << portid)) == 0)
1384                         continue;
1385
1386                 if (options.single_lcore && qconf == NULL) {
1387                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1388                                 rx_lcore_id++;
1389                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1390                                         rte_exit(EXIT_FAILURE,
1391                                                         "Not enough cores\n");
1392                         }
1393                 } else if (!options.single_lcore) {
1394                         /* get the lcore_id for this port */
1395                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1396                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1397                                options.nb_ports_per_lcore) {
1398                                 rx_lcore_id++;
1399                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1400                                         rte_exit(EXIT_FAILURE,
1401                                                         "Not enough cores\n");
1402                         }
1403                 }
1404
1405                 /* Assigned a new logical core in the loop above. */
1406                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1407                         qconf = &lcore_queue_conf[rx_lcore_id];
1408
1409                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1410                 qconf->nb_rx_ports++;
1411
1412                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1413         }
1414
1415
1416         /* Enable Crypto devices */
1417         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount);
1418         if (enabled_cdevcount < 1)
1419                 rte_exit(EXIT_FAILURE, "Failed to initial crypto devices\n");
1420
1421         nb_cryptodevs = rte_cryptodev_count();
1422         /* Initialize the port/queue configuration of each logical core */
1423         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
1424                         cdev_id < nb_cryptodevs && enabled_cdevcount;
1425                         cdev_id++) {
1426                 struct rte_cryptodev_info info;
1427
1428                 rte_cryptodev_info_get(cdev_id, &info);
1429
1430                 /* skip devices of the wrong type */
1431                 if (options.cdev_type != info.dev_type)
1432                         continue;
1433
1434                 if (options.single_lcore && qconf == NULL) {
1435                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1436                                 rx_lcore_id++;
1437                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1438                                         rte_exit(EXIT_FAILURE,
1439                                                         "Not enough cores\n");
1440                         }
1441                 } else if (!options.single_lcore) {
1442                         /* get the lcore_id for this port */
1443                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1444                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
1445                                options.nb_ports_per_lcore) {
1446                                 rx_lcore_id++;
1447                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1448                                         rte_exit(EXIT_FAILURE,
1449                                                         "Not enough cores\n");
1450                         }
1451                 }
1452
1453                 /* Assigned a new logical core in the loop above. */
1454                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1455                         qconf = &lcore_queue_conf[rx_lcore_id];
1456
1457                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
1458                 qconf->nb_crypto_devs++;
1459
1460                 enabled_cdevcount--;
1461
1462                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
1463                                 (unsigned)cdev_id);
1464         }
1465
1466
1467
1468         /* launch per-lcore init on every lcore */
1469         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
1470                         CALL_MASTER);
1471         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1472                 if (rte_eal_wait_lcore(lcore_id) < 0)
1473                         return -1;
1474         }
1475
1476         return 0;
1477 }