examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2017 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 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91
  92 #define MAXIMUM_IV_LENGTH       16
  93 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  94                                 sizeof(struct rte_crypto_sym_op))
  95
  96 /*
  97  * Configurable number of RX/TX ring descriptors
  98  */
  99 #define RTE_TEST_RX_DESC_DEFAULT 128
 100 #define RTE_TEST_TX_DESC_DEFAULT 512
 101
 102 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 103 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 104
 105 /* ethernet addresses of ports */
 106 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 107
 108 /* mask of enabled ports */
 109 static uint64_t l2fwd_enabled_port_mask;
 110 static uint64_t l2fwd_enabled_crypto_mask;
 111
 112 /* list of enabled ports */
 113 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 114
 115
 116 struct pkt_buffer {
 117         unsigned len;
 118         struct rte_mbuf *buffer[MAX_PKT_BURST];
 119 };
 120
 121 struct op_buffer {
 122         unsigned len;
 123         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 124 };
 125
 126 #define MAX_RX_QUEUE_PER_LCORE 16
 127 #define MAX_TX_QUEUE_PER_PORT 16
 128
 129 enum l2fwd_crypto_xform_chain {
 130         L2FWD_CRYPTO_CIPHER_HASH,
 131         L2FWD_CRYPTO_HASH_CIPHER,
 132         L2FWD_CRYPTO_CIPHER_ONLY,
 133         L2FWD_CRYPTO_HASH_ONLY
 134 };
 135
 136 struct l2fwd_key {
 137         uint8_t *data;
 138         uint32_t length;
 139         phys_addr_t phys_addr;
 140 };
 141
 142 struct l2fwd_iv {
 143         uint8_t *data;
 144         uint16_t length;
 145 };
 146
 147 /** l2fwd crypto application command line options */
 148 struct l2fwd_crypto_options {
 149         unsigned portmask;
 150         unsigned nb_ports_per_lcore;
 151         unsigned refresh_period;
 152         unsigned single_lcore:1;
 153
 154         enum cdev_type type;
 155         unsigned sessionless:1;
 156
 157         enum l2fwd_crypto_xform_chain xform_chain;
 158
 159         struct rte_crypto_sym_xform cipher_xform;
 160         unsigned ckey_param;
 161         int ckey_random_size;
 162
 163         struct l2fwd_iv iv;
 164         unsigned int iv_param;
 165         int iv_random_size;
 166
 167         struct rte_crypto_sym_xform auth_xform;
 168         uint8_t akey_param;
 169         int akey_random_size;
 170
 171         struct l2fwd_key aad;
 172         unsigned aad_param;
 173         int aad_random_size;
 174
 175         int digest_size;
 176
 177         uint16_t block_size;
 178         char string_type[MAX_STR_LEN];
 179
 180         uint64_t cryptodev_mask;
 181 };
 182
 183 /** l2fwd crypto lcore params */
 184 struct l2fwd_crypto_params {
 185         uint8_t dev_id;
 186         uint8_t qp_id;
 187
 188         unsigned digest_length;
 189         unsigned block_size;
 190
 191         struct l2fwd_iv iv;
 192         struct l2fwd_key aad;
 193         struct rte_cryptodev_sym_session *session;
 194
 195         uint8_t do_cipher;
 196         uint8_t do_hash;
 197         uint8_t hash_verify;
 198
 199         enum rte_crypto_cipher_algorithm cipher_algo;
 200         enum rte_crypto_auth_algorithm auth_algo;
 201 };
 202
 203 /** lcore configuration */
 204 struct lcore_queue_conf {
 205         unsigned nb_rx_ports;
 206         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 207
 208         unsigned nb_crypto_devs;
 209         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 210
 211         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 212         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 213 } __rte_cache_aligned;
 214
 215 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 216
 217 static const struct rte_eth_conf port_conf = {
 218         .rxmode = {
 219                 .mq_mode = ETH_MQ_RX_NONE,
 220                 .max_rx_pkt_len = ETHER_MAX_LEN,
 221                 .split_hdr_size = 0,
 222                 .header_split   = 0, /**< Header Split disabled */
 223                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 224                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 225                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 226                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 227         },
 228         .txmode = {
 229                 .mq_mode = ETH_MQ_TX_NONE,
 230         },
 231 };
 232
 233 struct rte_mempool *l2fwd_pktmbuf_pool;
 234 struct rte_mempool *l2fwd_crypto_op_pool;
 235
 236 /* Per-port statistics struct */
 237 struct l2fwd_port_statistics {
 238         uint64_t tx;
 239         uint64_t rx;
 240
 241         uint64_t crypto_enqueued;
 242         uint64_t crypto_dequeued;
 243
 244         uint64_t dropped;
 245 } __rte_cache_aligned;
 246
 247 struct l2fwd_crypto_statistics {
 248         uint64_t enqueued;
 249         uint64_t dequeued;
 250
 251         uint64_t errors;
 252 } __rte_cache_aligned;
 253
 254 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 255 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 256
 257 /* A tsc-based timer responsible for triggering statistics printout */
 258 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 259 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 260
 261 /* default period is 10 seconds */
 262 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 263
 264 /* Print out statistics on packets dropped */
 265 static void
 266 print_stats(void)
 267 {
 268         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 269         uint64_t total_packets_enqueued, total_packets_dequeued,
 270                 total_packets_errors;
 271         unsigned portid;
 272         uint64_t cdevid;
 273
 274         total_packets_dropped = 0;
 275         total_packets_tx = 0;
 276         total_packets_rx = 0;
 277         total_packets_enqueued = 0;
 278         total_packets_dequeued = 0;
 279         total_packets_errors = 0;
 280
 281         const char clr[] = { 27, '[', '2', 'J', '\0' };
 282         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 283
 284                 /* Clear screen and move to top left */
 285         printf("%s%s", clr, topLeft);
 286
 287         printf("\nPort statistics ====================================");
 288
 289         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 290                 /* skip disabled ports */
 291                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 292                         continue;
 293                 printf("\nStatistics for port %u ------------------------------"
 294                            "\nPackets sent: %32"PRIu64
 295                            "\nPackets received: %28"PRIu64
 296                            "\nPackets dropped: %29"PRIu64,
 297                            portid,
 298                            port_statistics[portid].tx,
 299                            port_statistics[portid].rx,
 300                            port_statistics[portid].dropped);
 301
 302                 total_packets_dropped += port_statistics[portid].dropped;
 303                 total_packets_tx += port_statistics[portid].tx;
 304                 total_packets_rx += port_statistics[portid].rx;
 305         }
 306         printf("\nCrypto statistics ==================================");
 307
 308         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 309                 /* skip disabled ports */
 310                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 311                         continue;
 312                 printf("\nStatistics for cryptodev %"PRIu64
 313                                 " -------------------------"
 314                            "\nPackets enqueued: %28"PRIu64
 315                            "\nPackets dequeued: %28"PRIu64
 316                            "\nPackets errors: %30"PRIu64,
 317                            cdevid,
 318                            crypto_statistics[cdevid].enqueued,
 319                            crypto_statistics[cdevid].dequeued,
 320                            crypto_statistics[cdevid].errors);
 321
 322                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 323                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 324                 total_packets_errors += crypto_statistics[cdevid].errors;
 325         }
 326         printf("\nAggregate statistics ==============================="
 327                    "\nTotal packets received: %22"PRIu64
 328                    "\nTotal packets enqueued: %22"PRIu64
 329                    "\nTotal packets dequeued: %22"PRIu64
 330                    "\nTotal packets sent: %26"PRIu64
 331                    "\nTotal packets dropped: %23"PRIu64
 332                    "\nTotal packets crypto errors: %17"PRIu64,
 333                    total_packets_rx,
 334                    total_packets_enqueued,
 335                    total_packets_dequeued,
 336                    total_packets_tx,
 337                    total_packets_dropped,
 338                    total_packets_errors);
 339         printf("\n====================================================\n");
 340 }
 341
 342 static int
 343 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 344                 struct l2fwd_crypto_params *cparams)
 345 {
 346         struct rte_crypto_op **op_buffer;
 347         unsigned ret;
 348
 349         op_buffer = (struct rte_crypto_op **)
 350                         qconf->op_buf[cparams->dev_id].buffer;
 351
 352         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 353                         cparams->qp_id, op_buffer, (uint16_t) n);
 354
 355         crypto_statistics[cparams->dev_id].enqueued += ret;
 356         if (unlikely(ret < n)) {
 357                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 358                 do {
 359                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 360                         rte_crypto_op_free(op_buffer[ret]);
 361                 } while (++ret < n);
 362         }
 363
 364         return 0;
 365 }
 366
 367 static int
 368 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 369                 struct l2fwd_crypto_params *cparams)
 370 {
 371         unsigned lcore_id, len;
 372         struct lcore_queue_conf *qconf;
 373
 374         lcore_id = rte_lcore_id();
 375
 376         qconf = &lcore_queue_conf[lcore_id];
 377         len = qconf->op_buf[cparams->dev_id].len;
 378         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 379         len++;
 380
 381         /* enough ops to be sent */
 382         if (len == MAX_PKT_BURST) {
 383                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 384                 len = 0;
 385         }
 386
 387         qconf->op_buf[cparams->dev_id].len = len;
 388         return 0;
 389 }
 390
 391 static int
 392 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 393                 struct rte_crypto_op *op,
 394                 struct l2fwd_crypto_params *cparams)
 395 {
 396         struct ether_hdr *eth_hdr;
 397         struct ipv4_hdr *ip_hdr;
 398
 399         uint32_t ipdata_offset, data_len;
 400         uint32_t pad_len = 0;
 401         char *padding;
 402
 403         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 404
 405         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 406                 return -1;
 407
 408         ipdata_offset = sizeof(struct ether_hdr);
 409
 410         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 411                         ipdata_offset);
 412
 413         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 414                         * IPV4_IHL_MULTIPLIER;
 415
 416
 417         /* Zero pad data to be crypto'd so it is block aligned */
 418         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 419
 420         if (cparams->do_hash && cparams->hash_verify)
 421                 data_len -= cparams->digest_length;
 422
 423         if (cparams->do_cipher) {
 424                 /*
 425                  * Following algorithms are block cipher algorithms,
 426                  * and might need padding
 427                  */
 428                 switch (cparams->cipher_algo) {
 429                 case RTE_CRYPTO_CIPHER_AES_CBC:
 430                 case RTE_CRYPTO_CIPHER_AES_ECB:
 431                 case RTE_CRYPTO_CIPHER_DES_CBC:
 432                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 433                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 434                         if (data_len % cparams->block_size)
 435                                 pad_len = cparams->block_size -
 436                                         (data_len % cparams->block_size);
 437                         break;
 438                 default:
 439                         pad_len = 0;
 440                 }
 441
 442                 if (pad_len) {
 443                         padding = rte_pktmbuf_append(m, pad_len);
 444                         if (unlikely(!padding))
 445                                 return -1;
 446
 447                         data_len += pad_len;
 448                         memset(padding, 0, pad_len);
 449                 }
 450         }
 451
 452         /* Set crypto operation data parameters */
 453         rte_crypto_op_attach_sym_session(op, cparams->session);
 454
 455         if (cparams->do_hash) {
 456                 if (!cparams->hash_verify) {
 457                         /* Append space for digest to end of packet */
 458                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 459                                 cparams->digest_length);
 460                 } else {
 461                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 462                                 uint8_t *) + ipdata_offset + data_len;
 463                 }
 464
 465                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 466                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 467                 op->sym->auth.digest.length = cparams->digest_length;
 468
 469                 /* For wireless algorithms, offset/length must be in bits */
 470                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 471                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 472                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 473                         op->sym->auth.data.offset = ipdata_offset << 3;
 474                         op->sym->auth.data.length = data_len << 3;
 475                 } else {
 476                         op->sym->auth.data.offset = ipdata_offset;
 477                         op->sym->auth.data.length = data_len;
 478                 }
 479
 480                 if (cparams->aad.length) {
 481                         op->sym->auth.aad.data = cparams->aad.data;
 482                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 483                         op->sym->auth.aad.length = cparams->aad.length;
 484                 } else {
 485                         op->sym->auth.aad.data = NULL;
 486                         op->sym->auth.aad.phys_addr = 0;
 487                         op->sym->auth.aad.length = 0;
 488                 }
 489         }
 490
 491         if (cparams->do_cipher) {
 492                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 493                                                         IV_OFFSET);
 494                 /* Copy IV at the end of the crypto operation */
 495                 rte_memcpy(iv_ptr, cparams->iv.data, cparams->iv.length);
 496
 497                 /* For wireless algorithms, offset/length must be in bits */
 498                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 499                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 500                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 501                         op->sym->cipher.data.offset = ipdata_offset << 3;
 502                         op->sym->cipher.data.length = data_len << 3;
 503                 } else {
 504                         op->sym->cipher.data.offset = ipdata_offset;
 505                         op->sym->cipher.data.length = data_len;
 506                 }
 507         }
 508
 509         op->sym->m_src = m;
 510
 511         return l2fwd_crypto_enqueue(op, cparams);
 512 }
 513
 514
 515 /* Send the burst of packets on an output interface */
 516 static int
 517 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 518                 uint8_t port)
 519 {
 520         struct rte_mbuf **pkt_buffer;
 521         unsigned ret;
 522
 523         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 524
 525         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 526         port_statistics[port].tx += ret;
 527         if (unlikely(ret < n)) {
 528                 port_statistics[port].dropped += (n - ret);
 529                 do {
 530                         rte_pktmbuf_free(pkt_buffer[ret]);
 531                 } while (++ret < n);
 532         }
 533
 534         return 0;
 535 }
 536
 537 /* Enqueue packets for TX and prepare them to be sent */
 538 static int
 539 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 540 {
 541         unsigned lcore_id, len;
 542         struct lcore_queue_conf *qconf;
 543
 544         lcore_id = rte_lcore_id();
 545
 546         qconf = &lcore_queue_conf[lcore_id];
 547         len = qconf->pkt_buf[port].len;
 548         qconf->pkt_buf[port].buffer[len] = m;
 549         len++;
 550
 551         /* enough pkts to be sent */
 552         if (unlikely(len == MAX_PKT_BURST)) {
 553                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 554                 len = 0;
 555         }
 556
 557         qconf->pkt_buf[port].len = len;
 558         return 0;
 559 }
 560
 561 static void
 562 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 563 {
 564         struct ether_hdr *eth;
 565         void *tmp;
 566         unsigned dst_port;
 567
 568         dst_port = l2fwd_dst_ports[portid];
 569         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 570
 571         /* 02:00:00:00:00:xx */
 572         tmp = &eth->d_addr.addr_bytes[0];
 573         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 574
 575         /* src addr */
 576         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 577
 578         l2fwd_send_packet(m, (uint8_t) dst_port);
 579 }
 580
 581 /** Generate random key */
 582 static void
 583 generate_random_key(uint8_t *key, unsigned length)
 584 {
 585         int fd;
 586         int ret;
 587
 588         fd = open("/dev/urandom", O_RDONLY);
 589         if (fd < 0)
 590                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 591
 592         ret = read(fd, key, length);
 593         close(fd);
 594
 595         if (ret != (signed)length)
 596                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 597 }
 598
 599 static struct rte_cryptodev_sym_session *
 600 initialize_crypto_session(struct l2fwd_crypto_options *options,
 601                 uint8_t cdev_id)
 602 {
 603         struct rte_crypto_sym_xform *first_xform;
 604
 605         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 606                 first_xform = &options->cipher_xform;
 607                 first_xform->next = &options->auth_xform;
 608         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 609                 first_xform = &options->auth_xform;
 610                 first_xform->next = &options->cipher_xform;
 611         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 612                 first_xform = &options->cipher_xform;
 613         } else {
 614                 first_xform = &options->auth_xform;
 615         }
 616
 617         /* Setup Cipher Parameters */
 618         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 619 }
 620
 621 static void
 622 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 623
 624 /* main processing loop */
 625 static void
 626 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 627 {
 628         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 629         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 630
 631         unsigned lcore_id = rte_lcore_id();
 632         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 633         unsigned i, j, portid, nb_rx, len;
 634         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 635         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 636                         US_PER_S * BURST_TX_DRAIN_US;
 637         struct l2fwd_crypto_params *cparams;
 638         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 639
 640         if (qconf->nb_rx_ports == 0) {
 641                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 642                 return;
 643         }
 644
 645         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 646
 647         for (i = 0; i < qconf->nb_rx_ports; i++) {
 648
 649                 portid = qconf->rx_port_list[i];
 650                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 651                         portid);
 652         }
 653
 654         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 655                 port_cparams[i].do_cipher = 0;
 656                 port_cparams[i].do_hash = 0;
 657
 658                 switch (options->xform_chain) {
 659                 case L2FWD_CRYPTO_CIPHER_HASH:
 660                 case L2FWD_CRYPTO_HASH_CIPHER:
 661                         port_cparams[i].do_cipher = 1;
 662                         port_cparams[i].do_hash = 1;
 663                         break;
 664                 case L2FWD_CRYPTO_HASH_ONLY:
 665                         port_cparams[i].do_hash = 1;
 666                         break;
 667                 case L2FWD_CRYPTO_CIPHER_ONLY:
 668                         port_cparams[i].do_cipher = 1;
 669                         break;
 670                 }
 671
 672                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 673                 port_cparams[i].qp_id = 0;
 674
 675                 port_cparams[i].block_size = options->block_size;
 676
 677                 if (port_cparams[i].do_hash) {
 678                         port_cparams[i].digest_length =
 679                                         options->auth_xform.auth.digest_length;
 680                         if (options->auth_xform.auth.add_auth_data_length) {
 681                                 port_cparams[i].aad.data = options->aad.data;
 682                                 port_cparams[i].aad.length =
 683                                         options->auth_xform.auth.add_auth_data_length;
 684                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 685                                 if (!options->aad_param)
 686                                         generate_random_key(port_cparams[i].aad.data,
 687                                                 port_cparams[i].aad.length);
 688
 689                         } else
 690                                 port_cparams[i].aad.length = 0;
 691
 692                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 693                                 port_cparams[i].hash_verify = 1;
 694                         else
 695                                 port_cparams[i].hash_verify = 0;
 696
 697                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 698                 }
 699
 700                 if (port_cparams[i].do_cipher) {
 701                         port_cparams[i].iv.data = options->iv.data;
 702                         port_cparams[i].iv.length = options->iv.length;
 703                         if (!options->iv_param)
 704                                 generate_random_key(port_cparams[i].iv.data,
 705                                                 port_cparams[i].iv.length);
 706
 707                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 708                         /* Set IV parameters */
 709                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 710                         options->cipher_xform.cipher.iv.length = options->iv.length;
 711                 }
 712
 713                 port_cparams[i].session = initialize_crypto_session(options,
 714                                 port_cparams[i].dev_id);
 715
 716                 if (port_cparams[i].session == NULL)
 717                         return;
 718                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 719                                 port_cparams[i].dev_id);
 720         }
 721
 722         l2fwd_crypto_options_print(options);
 723
 724         /*
 725          * Initialize previous tsc timestamp before the loop,
 726          * to avoid showing the port statistics immediately,
 727          * so user can see the crypto information.
 728          */
 729         prev_tsc = rte_rdtsc();
 730         while (1) {
 731
 732                 cur_tsc = rte_rdtsc();
 733
 734                 /*
 735                  * Crypto device/TX burst queue drain
 736                  */
 737                 diff_tsc = cur_tsc - prev_tsc;
 738                 if (unlikely(diff_tsc > drain_tsc)) {
 739                         /* Enqueue all crypto ops remaining in buffers */
 740                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 741                                 cparams = &port_cparams[i];
 742                                 len = qconf->op_buf[cparams->dev_id].len;
 743                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 744                                 qconf->op_buf[cparams->dev_id].len = 0;
 745                         }
 746                         /* Transmit all packets remaining in buffers */
 747                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 748                                 if (qconf->pkt_buf[portid].len == 0)
 749                                         continue;
 750                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 751                                                  qconf->pkt_buf[portid].len,
 752                                                  (uint8_t) portid);
 753                                 qconf->pkt_buf[portid].len = 0;
 754                         }
 755
 756                         /* if timer is enabled */
 757                         if (timer_period > 0) {
 758
 759                                 /* advance the timer */
 760                                 timer_tsc += diff_tsc;
 761
 762                                 /* if timer has reached its timeout */
 763                                 if (unlikely(timer_tsc >=
 764                                                 (uint64_t)timer_period)) {
 765
 766                                         /* do this only on master core */
 767                                         if (lcore_id == rte_get_master_lcore()
 768                                                 && options->refresh_period) {
 769                                                 print_stats();
 770                                                 timer_tsc = 0;
 771                                         }
 772                                 }
 773                         }
 774
 775                         prev_tsc = cur_tsc;
 776                 }
 777
 778                 /*
 779                  * Read packet from RX queues
 780                  */
 781                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 782                         portid = qconf->rx_port_list[i];
 783
 784                         cparams = &port_cparams[i];
 785
 786                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 787                                                  pkts_burst, MAX_PKT_BURST);
 788
 789                         port_statistics[portid].rx += nb_rx;
 790
 791                         if (nb_rx) {
 792                                 /*
 793                                  * If we can't allocate a crypto_ops, then drop
 794                                  * the rest of the burst and dequeue and
 795                                  * process the packets to free offload structs
 796                                  */
 797                                 if (rte_crypto_op_bulk_alloc(
 798                                                 l2fwd_crypto_op_pool,
 799                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 800                                                 ops_burst, nb_rx) !=
 801                                                                 nb_rx) {
 802                                         for (j = 0; j < nb_rx; j++)
 803                                                 rte_pktmbuf_free(pkts_burst[j]);
 804
 805                                         nb_rx = 0;
 806                                 }
 807
 808                                 /* Enqueue packets from Crypto device*/
 809                                 for (j = 0; j < nb_rx; j++) {
 810                                         m = pkts_burst[j];
 811
 812                                         l2fwd_simple_crypto_enqueue(m,
 813                                                         ops_burst[j], cparams);
 814                                 }
 815                         }
 816
 817                         /* Dequeue packets from Crypto device */
 818                         do {
 819                                 nb_rx = rte_cryptodev_dequeue_burst(
 820                                                 cparams->dev_id, cparams->qp_id,
 821                                                 ops_burst, MAX_PKT_BURST);
 822
 823                                 crypto_statistics[cparams->dev_id].dequeued +=
 824                                                 nb_rx;
 825
 826                                 /* Forward crypto'd packets */
 827                                 for (j = 0; j < nb_rx; j++) {
 828                                         m = ops_burst[j]->sym->m_src;
 829
 830                                         rte_crypto_op_free(ops_burst[j]);
 831                                         l2fwd_simple_forward(m, portid);
 832                                 }
 833                         } while (nb_rx == MAX_PKT_BURST);
 834                 }
 835         }
 836 }
 837
 838 static int
 839 l2fwd_launch_one_lcore(void *arg)
 840 {
 841         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 842         return 0;
 843 }
 844
 845 /* Display command line arguments usage */
 846 static void
 847 l2fwd_crypto_usage(const char *prgname)
 848 {
 849         printf("%s [EAL options] --\n"
 850                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 851                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 852                 "  -s manage all ports from single lcore\n"
 853                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 854                 " (0 to disable, 10 default, 86400 maximum)\n"
 855
 856                 "  --cdev_type HW / SW / ANY\n"
 857                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 858                 " HASH_ONLY\n"
 859
 860                 "  --cipher_algo ALGO\n"
 861                 "  --cipher_op ENCRYPT / DECRYPT\n"
 862                 "  --cipher_key KEY (bytes separated with \":\")\n"
 863                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 864                 "  --iv IV (bytes separated with \":\")\n"
 865                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 866
 867                 "  --auth_algo ALGO\n"
 868                 "  --auth_op GENERATE / VERIFY\n"
 869                 "  --auth_key KEY (bytes separated with \":\")\n"
 870                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 871                 "  --aad AAD (bytes separated with \":\")\n"
 872                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 873                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 874
 875                 "  --sessionless\n"
 876                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 877                prgname);
 878 }
 879
 880 /** Parse crypto device type command line argument */
 881 static int
 882 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 883 {
 884         if (strcmp("HW", optarg) == 0) {
 885                 *type = CDEV_TYPE_HW;
 886                 return 0;
 887         } else if (strcmp("SW", optarg) == 0) {
 888                 *type = CDEV_TYPE_SW;
 889                 return 0;
 890         } else if (strcmp("ANY", optarg) == 0) {
 891                 *type = CDEV_TYPE_ANY;
 892                 return 0;
 893         }
 894
 895         return -1;
 896 }
 897
 898 /** Parse crypto chain xform command line argument */
 899 static int
 900 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 901 {
 902         if (strcmp("CIPHER_HASH", optarg) == 0) {
 903                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 904                 return 0;
 905         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 906                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 907                 return 0;
 908         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 909                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 910                 return 0;
 911         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 912                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 913                 return 0;
 914         }
 915
 916         return -1;
 917 }
 918
 919 /** Parse crypto cipher algo option command line argument */
 920 static int
 921 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 922 {
 923
 924         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 925                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 926                                 "not supported!\n");
 927                 return -1;
 928         }
 929
 930         return 0;
 931 }
 932
 933 /** Parse crypto cipher operation command line argument */
 934 static int
 935 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 936 {
 937         if (strcmp("ENCRYPT", optarg) == 0) {
 938                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 939                 return 0;
 940         } else if (strcmp("DECRYPT", optarg) == 0) {
 941                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 942                 return 0;
 943         }
 944
 945         printf("Cipher operation not supported!\n");
 946         return -1;
 947 }
 948
 949 /** Parse crypto key command line argument */
 950 static int
 951 parse_key(uint8_t *data, char *input_arg)
 952 {
 953         unsigned byte_count;
 954         char *token;
 955
 956         for (byte_count = 0, token = strtok(input_arg, ":");
 957                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 958                         token = strtok(NULL, ":")) {
 959
 960                 int number = (int)strtol(token, NULL, 16);
 961
 962                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 963                         return -1;
 964
 965                 data[byte_count++] = (uint8_t)number;
 966         }
 967
 968         return byte_count;
 969 }
 970
 971 /** Parse size param*/
 972 static int
 973 parse_size(int *size, const char *q_arg)
 974 {
 975         char *end = NULL;
 976         unsigned long n;
 977
 978         /* parse hexadecimal string */
 979         n = strtoul(q_arg, &end, 10);
 980         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 981                 n = 0;
 982
 983         if (n == 0) {
 984                 printf("invalid size\n");
 985                 return -1;
 986         }
 987
 988         *size = n;
 989         return 0;
 990 }
 991
 992 /** Parse crypto cipher operation command line argument */
 993 static int
 994 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 995 {
 996         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 997                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 998                                 "not supported!\n");
 999                 return -1;
1000         }
1001
1002         return 0;
1003 }
1004
1005 static int
1006 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1007 {
1008         if (strcmp("VERIFY", optarg) == 0) {
1009                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1010                 return 0;
1011         } else if (strcmp("GENERATE", optarg) == 0) {
1012                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1013                 return 0;
1014         }
1015
1016         printf("Authentication operation specified not supported!\n");
1017         return -1;
1018 }
1019
1020 static int
1021 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1022                 const char *q_arg)
1023 {
1024         char *end = NULL;
1025         uint64_t pm;
1026
1027         /* parse hexadecimal string */
1028         pm = strtoul(q_arg, &end, 16);
1029         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1030                 pm = 0;
1031
1032         options->cryptodev_mask = pm;
1033         if (options->cryptodev_mask == 0) {
1034                 printf("invalid cryptodev_mask specified\n");
1035                 return -1;
1036         }
1037
1038         return 0;
1039 }
1040
1041 /** Parse long options */
1042 static int
1043 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1044                 struct option *lgopts, int option_index)
1045 {
1046         int retval;
1047
1048         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1049                 retval = parse_cryptodev_type(&options->type, optarg);
1050                 if (retval == 0)
1051                         snprintf(options->string_type, MAX_STR_LEN,
1052                                 "%s", optarg);
1053                 return retval;
1054         }
1055
1056         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1057                 return parse_crypto_opt_chain(options, optarg);
1058
1059         /* Cipher options */
1060         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1061                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1062                                 optarg);
1063
1064         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1065                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1066                                 optarg);
1067
1068         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1069                 options->ckey_param = 1;
1070                 options->cipher_xform.cipher.key.length =
1071                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1072                 if (options->cipher_xform.cipher.key.length > 0)
1073                         return 0;
1074                 else
1075                         return -1;
1076         }
1077
1078         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1079                 return parse_size(&options->ckey_random_size, optarg);
1080
1081         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1082                 options->iv_param = 1;
1083                 options->iv.length =
1084                         parse_key(options->iv.data, optarg);
1085                 if (options->iv.length > 0)
1086                         return 0;
1087                 else
1088                         return -1;
1089         }
1090
1091         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1092                 return parse_size(&options->iv_random_size, optarg);
1093
1094         /* Authentication options */
1095         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1096                 return parse_auth_algo(&options->auth_xform.auth.algo,
1097                                 optarg);
1098         }
1099
1100         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1101                 return parse_auth_op(&options->auth_xform.auth.op,
1102                                 optarg);
1103
1104         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1105                 options->akey_param = 1;
1106                 options->auth_xform.auth.key.length =
1107                         parse_key(options->auth_xform.auth.key.data, optarg);
1108                 if (options->auth_xform.auth.key.length > 0)
1109                         return 0;
1110                 else
1111                         return -1;
1112         }
1113
1114         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1115                 return parse_size(&options->akey_random_size, optarg);
1116         }
1117
1118         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1119                 options->aad_param = 1;
1120                 options->aad.length =
1121                         parse_key(options->aad.data, optarg);
1122                 if (options->aad.length > 0)
1123                         return 0;
1124                 else
1125                         return -1;
1126         }
1127
1128         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1129                 return parse_size(&options->aad_random_size, optarg);
1130         }
1131
1132         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1133                 return parse_size(&options->digest_size, optarg);
1134         }
1135
1136         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1137                 options->sessionless = 1;
1138                 return 0;
1139         }
1140
1141         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1142                 return parse_cryptodev_mask(options, optarg);
1143
1144         return -1;
1145 }
1146
1147 /** Parse port mask */
1148 static int
1149 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1150                 const char *q_arg)
1151 {
1152         char *end = NULL;
1153         unsigned long pm;
1154
1155         /* parse hexadecimal string */
1156         pm = strtoul(q_arg, &end, 16);
1157         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1158                 pm = 0;
1159
1160         options->portmask = pm;
1161         if (options->portmask == 0) {
1162                 printf("invalid portmask specified\n");
1163                 return -1;
1164         }
1165
1166         return pm;
1167 }
1168
1169 /** Parse number of queues */
1170 static int
1171 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1172                 const char *q_arg)
1173 {
1174         char *end = NULL;
1175         unsigned long n;
1176
1177         /* parse hexadecimal string */
1178         n = strtoul(q_arg, &end, 10);
1179         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1180                 n = 0;
1181         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1182                 n = 0;
1183
1184         options->nb_ports_per_lcore = n;
1185         if (options->nb_ports_per_lcore == 0) {
1186                 printf("invalid number of ports selected\n");
1187                 return -1;
1188         }
1189
1190         return 0;
1191 }
1192
1193 /** Parse timer period */
1194 static int
1195 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1196                 const char *q_arg)
1197 {
1198         char *end = NULL;
1199         unsigned long n;
1200
1201         /* parse number string */
1202         n = (unsigned)strtol(q_arg, &end, 10);
1203         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1204                 n = 0;
1205
1206         if (n >= MAX_TIMER_PERIOD) {
1207                 printf("Warning refresh period specified %lu is greater than "
1208                                 "max value %lu! using max value",
1209                                 n, MAX_TIMER_PERIOD);
1210                 n = MAX_TIMER_PERIOD;
1211         }
1212
1213         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1214
1215         return 0;
1216 }
1217
1218 /** Generate default options for application */
1219 static void
1220 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1221 {
1222         options->portmask = 0xffffffff;
1223         options->nb_ports_per_lcore = 1;
1224         options->refresh_period = 10000;
1225         options->single_lcore = 0;
1226         options->sessionless = 0;
1227
1228         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1229
1230         /* Cipher Data */
1231         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1232         options->cipher_xform.next = NULL;
1233         options->ckey_param = 0;
1234         options->ckey_random_size = -1;
1235         options->cipher_xform.cipher.key.length = 0;
1236         options->iv_param = 0;
1237         options->iv_random_size = -1;
1238         options->iv.length = 0;
1239
1240         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1241         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1242
1243         /* Authentication Data */
1244         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1245         options->auth_xform.next = NULL;
1246         options->akey_param = 0;
1247         options->akey_random_size = -1;
1248         options->auth_xform.auth.key.length = 0;
1249         options->aad_param = 0;
1250         options->aad_random_size = -1;
1251         options->aad.length = 0;
1252         options->digest_size = -1;
1253
1254         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1255         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1256
1257         options->type = CDEV_TYPE_ANY;
1258         options->cryptodev_mask = UINT64_MAX;
1259 }
1260
1261 static void
1262 display_cipher_info(struct l2fwd_crypto_options *options)
1263 {
1264         printf("\n---- Cipher information ---\n");
1265         printf("Algorithm: %s\n",
1266                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1267         rte_hexdump(stdout, "Cipher key:",
1268                         options->cipher_xform.cipher.key.data,
1269                         options->cipher_xform.cipher.key.length);
1270         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1271 }
1272
1273 static void
1274 display_auth_info(struct l2fwd_crypto_options *options)
1275 {
1276         printf("\n---- Authentication information ---\n");
1277         printf("Algorithm: %s\n",
1278                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1279         rte_hexdump(stdout, "Auth key:",
1280                         options->auth_xform.auth.key.data,
1281                         options->auth_xform.auth.key.length);
1282         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1283 }
1284
1285 static void
1286 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1287 {
1288         char string_cipher_op[MAX_STR_LEN];
1289         char string_auth_op[MAX_STR_LEN];
1290
1291         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1292                 strcpy(string_cipher_op, "Encrypt");
1293         else
1294                 strcpy(string_cipher_op, "Decrypt");
1295
1296         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1297                 strcpy(string_auth_op, "Auth generate");
1298         else
1299                 strcpy(string_auth_op, "Auth verify");
1300
1301         printf("Options:-\nn");
1302         printf("portmask: %x\n", options->portmask);
1303         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1304         printf("refresh period : %u\n", options->refresh_period);
1305         printf("single lcore mode: %s\n",
1306                         options->single_lcore ? "enabled" : "disabled");
1307         printf("stats_printing: %s\n",
1308                         options->refresh_period == 0 ? "disabled" : "enabled");
1309
1310         printf("sessionless crypto: %s\n",
1311                         options->sessionless ? "enabled" : "disabled");
1312
1313         if (options->ckey_param && (options->ckey_random_size != -1))
1314                 printf("Cipher key already parsed, ignoring size of random key\n");
1315
1316         if (options->akey_param && (options->akey_random_size != -1))
1317                 printf("Auth key already parsed, ignoring size of random key\n");
1318
1319         if (options->iv_param && (options->iv_random_size != -1))
1320                 printf("IV already parsed, ignoring size of random IV\n");
1321
1322         if (options->aad_param && (options->aad_random_size != -1))
1323                 printf("AAD already parsed, ignoring size of random AAD\n");
1324
1325         printf("\nCrypto chain: ");
1326         switch (options->xform_chain) {
1327         case L2FWD_CRYPTO_CIPHER_HASH:
1328                 printf("Input --> %s --> %s --> Output\n",
1329                         string_cipher_op, string_auth_op);
1330                 display_cipher_info(options);
1331                 display_auth_info(options);
1332                 break;
1333         case L2FWD_CRYPTO_HASH_CIPHER:
1334                 printf("Input --> %s --> %s --> Output\n",
1335                         string_auth_op, string_cipher_op);
1336                 display_cipher_info(options);
1337                 display_auth_info(options);
1338                 break;
1339         case L2FWD_CRYPTO_HASH_ONLY:
1340                 printf("Input --> %s --> Output\n", string_auth_op);
1341                 display_auth_info(options);
1342                 break;
1343         case L2FWD_CRYPTO_CIPHER_ONLY:
1344                 printf("Input --> %s --> Output\n", string_cipher_op);
1345                 display_cipher_info(options);
1346                 break;
1347         }
1348 }
1349
1350 /* Parse the argument given in the command line of the application */
1351 static int
1352 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1353                 int argc, char **argv)
1354 {
1355         int opt, retval, option_index;
1356         char **argvopt = argv, *prgname = argv[0];
1357
1358         static struct option lgopts[] = {
1359                         { "sessionless", no_argument, 0, 0 },
1360
1361                         { "cdev_type", required_argument, 0, 0 },
1362                         { "chain", required_argument, 0, 0 },
1363
1364                         { "cipher_algo", required_argument, 0, 0 },
1365                         { "cipher_op", required_argument, 0, 0 },
1366                         { "cipher_key", required_argument, 0, 0 },
1367                         { "cipher_key_random_size", required_argument, 0, 0 },
1368
1369                         { "auth_algo", required_argument, 0, 0 },
1370                         { "auth_op", required_argument, 0, 0 },
1371                         { "auth_key", required_argument, 0, 0 },
1372                         { "auth_key_random_size", required_argument, 0, 0 },
1373
1374                         { "iv", required_argument, 0, 0 },
1375                         { "iv_random_size", required_argument, 0, 0 },
1376                         { "aad", required_argument, 0, 0 },
1377                         { "aad_random_size", required_argument, 0, 0 },
1378                         { "digest_size", required_argument, 0, 0 },
1379
1380                         { "sessionless", no_argument, 0, 0 },
1381                         { "cryptodev_mask", required_argument, 0, 0},
1382
1383                         { NULL, 0, 0, 0 }
1384         };
1385
1386         l2fwd_crypto_default_options(options);
1387
1388         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1389                         &option_index)) != EOF) {
1390                 switch (opt) {
1391                 /* long options */
1392                 case 0:
1393                         retval = l2fwd_crypto_parse_args_long_options(options,
1394                                         lgopts, option_index);
1395                         if (retval < 0) {
1396                                 l2fwd_crypto_usage(prgname);
1397                                 return -1;
1398                         }
1399                         break;
1400
1401                 /* portmask */
1402                 case 'p':
1403                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1404                         if (retval < 0) {
1405                                 l2fwd_crypto_usage(prgname);
1406                                 return -1;
1407                         }
1408                         break;
1409
1410                 /* nqueue */
1411                 case 'q':
1412                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1413                         if (retval < 0) {
1414                                 l2fwd_crypto_usage(prgname);
1415                                 return -1;
1416                         }
1417                         break;
1418
1419                 /* single  */
1420                 case 's':
1421                         options->single_lcore = 1;
1422
1423                         break;
1424
1425                 /* timer period */
1426                 case 'T':
1427                         retval = l2fwd_crypto_parse_timer_period(options,
1428                                         optarg);
1429                         if (retval < 0) {
1430                                 l2fwd_crypto_usage(prgname);
1431                                 return -1;
1432                         }
1433                         break;
1434
1435                 default:
1436                         l2fwd_crypto_usage(prgname);
1437                         return -1;
1438                 }
1439         }
1440
1441
1442         if (optind >= 0)
1443                 argv[optind-1] = prgname;
1444
1445         retval = optind-1;
1446         optind = 1; /* reset getopt lib */
1447
1448         return retval;
1449 }
1450
1451 /* Check the link status of all ports in up to 9s, and print them finally */
1452 static void
1453 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1454 {
1455 #define CHECK_INTERVAL 100 /* 100ms */
1456 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1457         uint8_t portid, count, all_ports_up, print_flag = 0;
1458         struct rte_eth_link link;
1459
1460         printf("\nChecking link status");
1461         fflush(stdout);
1462         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1463                 all_ports_up = 1;
1464                 for (portid = 0; portid < port_num; portid++) {
1465                         if ((port_mask & (1 << portid)) == 0)
1466                                 continue;
1467                         memset(&link, 0, sizeof(link));
1468                         rte_eth_link_get_nowait(portid, &link);
1469                         /* print link status if flag set */
1470                         if (print_flag == 1) {
1471                                 if (link.link_status)
1472                                         printf("Port %d Link Up - speed %u "
1473                                                 "Mbps - %s\n", (uint8_t)portid,
1474                                                 (unsigned)link.link_speed,
1475                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1476                                         ("full-duplex") : ("half-duplex\n"));
1477                                 else
1478                                         printf("Port %d Link Down\n",
1479                                                 (uint8_t)portid);
1480                                 continue;
1481                         }
1482                         /* clear all_ports_up flag if any link down */
1483                         if (link.link_status == ETH_LINK_DOWN) {
1484                                 all_ports_up = 0;
1485                                 break;
1486                         }
1487                 }
1488                 /* after finally printing all link status, get out */
1489                 if (print_flag == 1)
1490                         break;
1491
1492                 if (all_ports_up == 0) {
1493                         printf(".");
1494                         fflush(stdout);
1495                         rte_delay_ms(CHECK_INTERVAL);
1496                 }
1497
1498                 /* set the print_flag if all ports up or timeout */
1499                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1500                         print_flag = 1;
1501                         printf("done\n");
1502                 }
1503         }
1504 }
1505
1506 /* Check if device has to be HW/SW or any */
1507 static int
1508 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1509 {
1510         if (options->type == CDEV_TYPE_HW &&
1511                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1512                 return 0;
1513         if (options->type == CDEV_TYPE_SW &&
1514                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1515                 return 0;
1516         if (options->type == CDEV_TYPE_ANY)
1517                 return 0;
1518
1519         return -1;
1520 }
1521
1522 /* Check if the device is enabled by cryptodev_mask */
1523 static int
1524 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1525                 uint8_t cdev_id)
1526 {
1527         if (options->cryptodev_mask & (1 << cdev_id))
1528                 return 0;
1529
1530         return -1;
1531 }
1532
1533 static inline int
1534 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1535                 uint16_t increment)
1536 {
1537         uint16_t supp_size;
1538
1539         /* Single value */
1540         if (increment == 0) {
1541                 if (length == min)
1542                         return 0;
1543                 else
1544                         return -1;
1545         }
1546
1547         /* Range of values */
1548         for (supp_size = min; supp_size <= max; supp_size += increment) {
1549                 if (length == supp_size)
1550                         return 0;
1551         }
1552
1553         return -1;
1554 }
1555
1556 static int
1557 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1558                 unsigned int iv_param, int iv_random_size,
1559                 uint16_t *iv_length)
1560 {
1561         /*
1562          * Check if length of provided IV is supported
1563          * by the algorithm chosen.
1564          */
1565         if (iv_param) {
1566                 if (check_supported_size(*iv_length,
1567                                 iv_range_size->min,
1568                                 iv_range_size->max,
1569                                 iv_range_size->increment)
1570                                         != 0) {
1571                         printf("Unsupported IV length\n");
1572                         return -1;
1573                 }
1574         /*
1575          * Check if length of IV to be randomly generated
1576          * is supported by the algorithm chosen.
1577          */
1578         } else if (iv_random_size != -1) {
1579                 if (check_supported_size(iv_random_size,
1580                                 iv_range_size->min,
1581                                 iv_range_size->max,
1582                                 iv_range_size->increment)
1583                                         != 0) {
1584                         printf("Unsupported IV length\n");
1585                         return -1;
1586                 }
1587                 *iv_length = iv_random_size;
1588         /* No size provided, use minimum size. */
1589         } else
1590                 *iv_length = iv_range_size->min;
1591
1592         return 0;
1593 }
1594
1595 static int
1596 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1597                 uint8_t *enabled_cdevs)
1598 {
1599         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1600         const struct rte_cryptodev_capabilities *cap;
1601         enum rte_crypto_auth_algorithm cap_auth_algo;
1602         enum rte_crypto_auth_algorithm opt_auth_algo;
1603         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1604         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1605         int retval;
1606
1607         cdev_count = rte_cryptodev_count();
1608         if (cdev_count == 0) {
1609                 printf("No crypto devices available\n");
1610                 return -1;
1611         }
1612
1613         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1614                         cdev_id++) {
1615                 struct rte_cryptodev_qp_conf qp_conf;
1616                 struct rte_cryptodev_info dev_info;
1617
1618                 struct rte_cryptodev_config conf = {
1619                         .nb_queue_pairs = 1,
1620                         .socket_id = SOCKET_ID_ANY,
1621                         .session_mp = {
1622                                 .nb_objs = 2048,
1623                                 .cache_size = 64
1624                         }
1625                 };
1626
1627                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1628                         continue;
1629
1630                 rte_cryptodev_info_get(cdev_id, &dev_info);
1631
1632                 /* Set cipher parameters */
1633                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1634                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1635                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1636                         /* Check if device supports cipher algo */
1637                         i = 0;
1638                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1639                         cap = &dev_info.capabilities[i];
1640                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1641                                 cap_cipher_algo = cap->sym.cipher.algo;
1642                                 if (cap->sym.xform_type ==
1643                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1644                                         if (cap_cipher_algo == opt_cipher_algo) {
1645                                                 if (check_type(options, &dev_info) == 0)
1646                                                         break;
1647                                         }
1648                                 }
1649                                 cap = &dev_info.capabilities[++i];
1650                         }
1651
1652                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1653                                 printf("Algorithm %s not supported by cryptodev %u"
1654                                         " or device not of preferred type (%s)\n",
1655                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1656                                         cdev_id,
1657                                         options->string_type);
1658                                 continue;
1659                         }
1660
1661                         options->block_size = cap->sym.cipher.block_size;
1662
1663                         check_iv_param(&cap->sym.cipher.iv_size, options->iv_param,
1664                                         options->iv_random_size, &options->iv.length);
1665
1666                         /*
1667                          * Check if length of provided cipher key is supported
1668                          * by the algorithm chosen.
1669                          */
1670                         if (options->ckey_param) {
1671                                 if (check_supported_size(
1672                                                 options->cipher_xform.cipher.key.length,
1673                                                 cap->sym.cipher.key_size.min,
1674                                                 cap->sym.cipher.key_size.max,
1675                                                 cap->sym.cipher.key_size.increment)
1676                                                         != 0) {
1677                                         printf("Unsupported cipher key length\n");
1678                                         return -1;
1679                                 }
1680                         /*
1681                          * Check if length of the cipher key to be randomly generated
1682                          * is supported by the algorithm chosen.
1683                          */
1684                         } else if (options->ckey_random_size != -1) {
1685                                 if (check_supported_size(options->ckey_random_size,
1686                                                 cap->sym.cipher.key_size.min,
1687                                                 cap->sym.cipher.key_size.max,
1688                                                 cap->sym.cipher.key_size.increment)
1689                                                         != 0) {
1690                                         printf("Unsupported cipher key length\n");
1691                                         return -1;
1692                                 }
1693                                 options->cipher_xform.cipher.key.length =
1694                                                         options->ckey_random_size;
1695                         /* No size provided, use minimum size. */
1696                         } else
1697                                 options->cipher_xform.cipher.key.length =
1698                                                 cap->sym.cipher.key_size.min;
1699
1700                         if (!options->ckey_param)
1701                                 generate_random_key(
1702                                         options->cipher_xform.cipher.key.data,
1703                                         options->cipher_xform.cipher.key.length);
1704
1705                 }
1706
1707                 /* Set auth parameters */
1708                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1709                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1710                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1711                         /* Check if device supports auth algo */
1712                         i = 0;
1713                         opt_auth_algo = options->auth_xform.auth.algo;
1714                         cap = &dev_info.capabilities[i];
1715                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1716                                 cap_auth_algo = cap->sym.auth.algo;
1717                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1718                                                 (cap_auth_algo == opt_auth_algo) &&
1719                                                 (check_type(options, &dev_info) == 0)) {
1720                                         break;
1721                                 }
1722                                 cap = &dev_info.capabilities[++i];
1723                         }
1724
1725                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1726                                 printf("Algorithm %s not supported by cryptodev %u"
1727                                         " or device not of preferred type (%s)\n",
1728                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1729                                         cdev_id,
1730                                         options->string_type);
1731                                 continue;
1732                         }
1733
1734                         /*
1735                          * Check if length of provided AAD is supported
1736                          * by the algorithm chosen.
1737                          */
1738                         if (options->aad_param) {
1739                                 if (check_supported_size(options->aad.length,
1740                                                 cap->sym.auth.aad_size.min,
1741                                                 cap->sym.auth.aad_size.max,
1742                                                 cap->sym.auth.aad_size.increment)
1743                                                         != 0) {
1744                                         printf("Unsupported AAD length\n");
1745                                         return -1;
1746                                 }
1747                         /*
1748                          * Check if length of AAD to be randomly generated
1749                          * is supported by the algorithm chosen.
1750                          */
1751                         } else if (options->aad_random_size != -1) {
1752                                 if (check_supported_size(options->aad_random_size,
1753                                                 cap->sym.auth.aad_size.min,
1754                                                 cap->sym.auth.aad_size.max,
1755                                                 cap->sym.auth.aad_size.increment)
1756                                                         != 0) {
1757                                         printf("Unsupported AAD length\n");
1758                                         return -1;
1759                                 }
1760                                 options->aad.length = options->aad_random_size;
1761                         /* No size provided, use minimum size. */
1762                         } else
1763                                 options->aad.length = cap->sym.auth.aad_size.min;
1764
1765                         options->auth_xform.auth.add_auth_data_length =
1766                                                 options->aad.length;
1767
1768                         /*
1769                          * Check if length of provided auth key is supported
1770                          * by the algorithm chosen.
1771                          */
1772                         if (options->akey_param) {
1773                                 if (check_supported_size(
1774                                                 options->auth_xform.auth.key.length,
1775                                                 cap->sym.auth.key_size.min,
1776                                                 cap->sym.auth.key_size.max,
1777                                                 cap->sym.auth.key_size.increment)
1778                                                         != 0) {
1779                                         printf("Unsupported auth key length\n");
1780                                         return -1;
1781                                 }
1782                         /*
1783                          * Check if length of the auth key to be randomly generated
1784                          * is supported by the algorithm chosen.
1785                          */
1786                         } else if (options->akey_random_size != -1) {
1787                                 if (check_supported_size(options->akey_random_size,
1788                                                 cap->sym.auth.key_size.min,
1789                                                 cap->sym.auth.key_size.max,
1790                                                 cap->sym.auth.key_size.increment)
1791                                                         != 0) {
1792                                         printf("Unsupported auth key length\n");
1793                                         return -1;
1794                                 }
1795                                 options->auth_xform.auth.key.length =
1796                                                         options->akey_random_size;
1797                         /* No size provided, use minimum size. */
1798                         } else
1799                                 options->auth_xform.auth.key.length =
1800                                                 cap->sym.auth.key_size.min;
1801
1802                         if (!options->akey_param)
1803                                 generate_random_key(
1804                                         options->auth_xform.auth.key.data,
1805                                         options->auth_xform.auth.key.length);
1806
1807                         /* Check if digest size is supported by the algorithm. */
1808                         if (options->digest_size != -1) {
1809                                 if (check_supported_size(options->digest_size,
1810                                                 cap->sym.auth.digest_size.min,
1811                                                 cap->sym.auth.digest_size.max,
1812                                                 cap->sym.auth.digest_size.increment)
1813                                                         != 0) {
1814                                         printf("Unsupported digest length\n");
1815                                         return -1;
1816                                 }
1817                                 options->auth_xform.auth.digest_length =
1818                                                         options->digest_size;
1819                         /* No size provided, use minimum size. */
1820                         } else
1821                                 options->auth_xform.auth.digest_length =
1822                                                 cap->sym.auth.digest_size.min;
1823                 }
1824
1825                 retval = rte_cryptodev_configure(cdev_id, &conf);
1826                 if (retval < 0) {
1827                         printf("Failed to configure cryptodev %u", cdev_id);
1828                         return -1;
1829                 }
1830
1831                 qp_conf.nb_descriptors = 2048;
1832
1833                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1834                                 SOCKET_ID_ANY);
1835                 if (retval < 0) {
1836                         printf("Failed to setup queue pair %u on cryptodev %u",
1837                                         0, cdev_id);
1838                         return -1;
1839                 }
1840
1841                 retval = rte_cryptodev_start(cdev_id);
1842                 if (retval < 0) {
1843                         printf("Failed to start device %u: error %d\n",
1844                                         cdev_id, retval);
1845                         return -1;
1846                 }
1847
1848                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1849
1850                 enabled_cdevs[cdev_id] = 1;
1851                 enabled_cdev_count++;
1852         }
1853
1854         return enabled_cdev_count;
1855 }
1856
1857 static int
1858 initialize_ports(struct l2fwd_crypto_options *options)
1859 {
1860         uint8_t last_portid, portid;
1861         unsigned enabled_portcount = 0;
1862         unsigned nb_ports = rte_eth_dev_count();
1863
1864         if (nb_ports == 0) {
1865                 printf("No Ethernet ports - bye\n");
1866                 return -1;
1867         }
1868
1869         /* Reset l2fwd_dst_ports */
1870         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1871                 l2fwd_dst_ports[portid] = 0;
1872
1873         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1874                 int retval;
1875
1876                 /* Skip ports that are not enabled */
1877                 if ((options->portmask & (1 << portid)) == 0)
1878                         continue;
1879
1880                 /* init port */
1881                 printf("Initializing port %u... ", (unsigned) portid);
1882                 fflush(stdout);
1883                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1884                 if (retval < 0) {
1885                         printf("Cannot configure device: err=%d, port=%u\n",
1886                                   retval, (unsigned) portid);
1887                         return -1;
1888                 }
1889
1890                 /* init one RX queue */
1891                 fflush(stdout);
1892                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1893                                              rte_eth_dev_socket_id(portid),
1894                                              NULL, l2fwd_pktmbuf_pool);
1895                 if (retval < 0) {
1896                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1897                                         retval, (unsigned) portid);
1898                         return -1;
1899                 }
1900
1901                 /* init one TX queue on each port */
1902                 fflush(stdout);
1903                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1904                                 rte_eth_dev_socket_id(portid),
1905                                 NULL);
1906                 if (retval < 0) {
1907                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1908                                 retval, (unsigned) portid);
1909
1910                         return -1;
1911                 }
1912
1913                 /* Start device */
1914                 retval = rte_eth_dev_start(portid);
1915                 if (retval < 0) {
1916                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1917                                         retval, (unsigned) portid);
1918                         return -1;
1919                 }
1920
1921                 rte_eth_promiscuous_enable(portid);
1922
1923                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1924
1925                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1926                                 (unsigned) portid,
1927                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1928                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1929                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1930                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1931                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1932                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1933
1934                 /* initialize port stats */
1935                 memset(&port_statistics, 0, sizeof(port_statistics));
1936
1937                 /* Setup port forwarding table */
1938                 if (enabled_portcount % 2) {
1939                         l2fwd_dst_ports[portid] = last_portid;
1940                         l2fwd_dst_ports[last_portid] = portid;
1941                 } else {
1942                         last_portid = portid;
1943                 }
1944
1945                 l2fwd_enabled_port_mask |= (1 << portid);
1946                 enabled_portcount++;
1947         }
1948
1949         if (enabled_portcount == 1) {
1950                 l2fwd_dst_ports[last_portid] = last_portid;
1951         } else if (enabled_portcount % 2) {
1952                 printf("odd number of ports in portmask- bye\n");
1953                 return -1;
1954         }
1955
1956         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1957
1958         return enabled_portcount;
1959 }
1960
1961 static void
1962 reserve_key_memory(struct l2fwd_crypto_options *options)
1963 {
1964         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1965                                                 MAX_KEY_SIZE, 0);
1966         if (options->cipher_xform.cipher.key.data == NULL)
1967                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1968
1969
1970         options->auth_xform.auth.key.data = rte_malloc("auth key",
1971                                                 MAX_KEY_SIZE, 0);
1972         if (options->auth_xform.auth.key.data == NULL)
1973                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1974
1975         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1976         if (options->iv.data == NULL)
1977                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1978
1979         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1980         if (options->aad.data == NULL)
1981                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1982         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1983 }
1984
1985 int
1986 main(int argc, char **argv)
1987 {
1988         struct lcore_queue_conf *qconf;
1989         struct l2fwd_crypto_options options;
1990
1991         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1992         unsigned lcore_id, rx_lcore_id;
1993         int ret, enabled_cdevcount, enabled_portcount;
1994         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1995
1996         /* init EAL */
1997         ret = rte_eal_init(argc, argv);
1998         if (ret < 0)
1999                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2000         argc -= ret;
2001         argv += ret;
2002
2003         /* reserve memory for Cipher/Auth key and IV */
2004         reserve_key_memory(&options);
2005
2006         /* parse application arguments (after the EAL ones) */
2007         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2008         if (ret < 0)
2009                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2010
2011         /* create the mbuf pool */
2012         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2013                         sizeof(struct rte_crypto_op),
2014                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2015         if (l2fwd_pktmbuf_pool == NULL)
2016                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2017
2018         /* create crypto op pool */
2019         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2020                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2021                         rte_socket_id());
2022         if (l2fwd_crypto_op_pool == NULL)
2023                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2024
2025         /* Enable Ethernet ports */
2026         enabled_portcount = initialize_ports(&options);
2027         if (enabled_portcount < 1)
2028                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2029
2030         nb_ports = rte_eth_dev_count();
2031         /* Initialize the port/queue configuration of each logical core */
2032         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2033                         portid < nb_ports; portid++) {
2034
2035                 /* skip ports that are not enabled */
2036                 if ((options.portmask & (1 << portid)) == 0)
2037                         continue;
2038
2039                 if (options.single_lcore && qconf == NULL) {
2040                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2041                                 rx_lcore_id++;
2042                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2043                                         rte_exit(EXIT_FAILURE,
2044                                                         "Not enough cores\n");
2045                         }
2046                 } else if (!options.single_lcore) {
2047                         /* get the lcore_id for this port */
2048                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2049                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2050                                options.nb_ports_per_lcore) {
2051                                 rx_lcore_id++;
2052                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2053                                         rte_exit(EXIT_FAILURE,
2054                                                         "Not enough cores\n");
2055                         }
2056                 }
2057
2058                 /* Assigned a new logical core in the loop above. */
2059                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2060                         qconf = &lcore_queue_conf[rx_lcore_id];
2061
2062                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2063                 qconf->nb_rx_ports++;
2064
2065                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2066         }
2067
2068         /* Enable Crypto devices */
2069         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2070                         enabled_cdevs);
2071         if (enabled_cdevcount < 0)
2072                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2073
2074         if (enabled_cdevcount < enabled_portcount)
2075                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2076                                 "has to be more or equal to number of ports (%d)\n",
2077                                 enabled_cdevcount, enabled_portcount);
2078
2079         nb_cryptodevs = rte_cryptodev_count();
2080
2081         /* Initialize the port/cryptodev configuration of each logical core */
2082         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2083                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2084                         cdev_id++) {
2085                 /* Crypto op not supported by crypto device */
2086                 if (!enabled_cdevs[cdev_id])
2087                         continue;
2088
2089                 if (options.single_lcore && qconf == NULL) {
2090                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2091                                 rx_lcore_id++;
2092                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2093                                         rte_exit(EXIT_FAILURE,
2094                                                         "Not enough cores\n");
2095                         }
2096                 } else if (!options.single_lcore) {
2097                         /* get the lcore_id for this port */
2098                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2099                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2100                                options.nb_ports_per_lcore) {
2101                                 rx_lcore_id++;
2102                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2103                                         rte_exit(EXIT_FAILURE,
2104                                                         "Not enough cores\n");
2105                         }
2106                 }
2107
2108                 /* Assigned a new logical core in the loop above. */
2109                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2110                         qconf = &lcore_queue_conf[rx_lcore_id];
2111
2112                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2113                 qconf->nb_crypto_devs++;
2114
2115                 enabled_cdevcount--;
2116
2117                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2118                                 (unsigned)cdev_id);
2119         }
2120
2121         /* launch per-lcore init on every lcore */
2122         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2123                         CALL_MASTER);
2124         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2125                 if (rte_eal_wait_lcore(lcore_id) < 0)
2126                         return -1;
2127         }
2128
2129         return 0;
2130 }