examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48 #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 /*
  93  * Configurable number of RX/TX ring descriptors
  94  */
  95 #define RTE_TEST_RX_DESC_DEFAULT 128
  96 #define RTE_TEST_TX_DESC_DEFAULT 512
  97
  98 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  99 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 100
 101 /* ethernet addresses of ports */
 102 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 103
 104 /* mask of enabled ports */
 105 static uint64_t l2fwd_enabled_port_mask;
 106 static uint64_t l2fwd_enabled_crypto_mask;
 107
 108 /* list of enabled ports */
 109 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 110
 111
 112 struct pkt_buffer {
 113         unsigned len;
 114         struct rte_mbuf *buffer[MAX_PKT_BURST];
 115 };
 116
 117 struct op_buffer {
 118         unsigned len;
 119         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 120 };
 121
 122 #define MAX_RX_QUEUE_PER_LCORE 16
 123 #define MAX_TX_QUEUE_PER_PORT 16
 124
 125 enum l2fwd_crypto_xform_chain {
 126         L2FWD_CRYPTO_CIPHER_HASH,
 127         L2FWD_CRYPTO_HASH_CIPHER,
 128         L2FWD_CRYPTO_CIPHER_ONLY,
 129         L2FWD_CRYPTO_HASH_ONLY
 130 };
 131
 132 struct l2fwd_key {
 133         uint8_t *data;
 134         uint32_t length;
 135         phys_addr_t phys_addr;
 136 };
 137
 138 /** l2fwd crypto application command line options */
 139 struct l2fwd_crypto_options {
 140         unsigned portmask;
 141         unsigned nb_ports_per_lcore;
 142         unsigned refresh_period;
 143         unsigned single_lcore:1;
 144
 145         enum cdev_type type;
 146         unsigned sessionless:1;
 147
 148         enum l2fwd_crypto_xform_chain xform_chain;
 149
 150         struct rte_crypto_sym_xform cipher_xform;
 151         unsigned ckey_param;
 152         int ckey_random_size;
 153
 154         struct l2fwd_key iv;
 155         unsigned iv_param;
 156         int iv_random_size;
 157
 158         struct rte_crypto_sym_xform auth_xform;
 159         uint8_t akey_param;
 160         int akey_random_size;
 161
 162         struct l2fwd_key aad;
 163         unsigned aad_param;
 164         int aad_random_size;
 165
 166         int digest_size;
 167
 168         uint16_t block_size;
 169         char string_type[MAX_STR_LEN];
 170 };
 171
 172 /** l2fwd crypto lcore params */
 173 struct l2fwd_crypto_params {
 174         uint8_t dev_id;
 175         uint8_t qp_id;
 176
 177         unsigned digest_length;
 178         unsigned block_size;
 179
 180         struct l2fwd_key iv;
 181         struct l2fwd_key aad;
 182         struct rte_cryptodev_sym_session *session;
 183
 184         uint8_t do_cipher;
 185         uint8_t do_hash;
 186         uint8_t hash_verify;
 187
 188         enum rte_crypto_cipher_algorithm cipher_algo;
 189         enum rte_crypto_auth_algorithm auth_algo;
 190 };
 191
 192 /** lcore configuration */
 193 struct lcore_queue_conf {
 194         unsigned nb_rx_ports;
 195         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 196
 197         unsigned nb_crypto_devs;
 198         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 199
 200         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 201         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 202 } __rte_cache_aligned;
 203
 204 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 205
 206 static const struct rte_eth_conf port_conf = {
 207         .rxmode = {
 208                 .mq_mode = ETH_MQ_RX_NONE,
 209                 .max_rx_pkt_len = ETHER_MAX_LEN,
 210                 .split_hdr_size = 0,
 211                 .header_split   = 0, /**< Header Split disabled */
 212                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 213                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 214                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 215                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 216         },
 217         .txmode = {
 218                 .mq_mode = ETH_MQ_TX_NONE,
 219         },
 220 };
 221
 222 struct rte_mempool *l2fwd_pktmbuf_pool;
 223 struct rte_mempool *l2fwd_crypto_op_pool;
 224
 225 /* Per-port statistics struct */
 226 struct l2fwd_port_statistics {
 227         uint64_t tx;
 228         uint64_t rx;
 229
 230         uint64_t crypto_enqueued;
 231         uint64_t crypto_dequeued;
 232
 233         uint64_t dropped;
 234 } __rte_cache_aligned;
 235
 236 struct l2fwd_crypto_statistics {
 237         uint64_t enqueued;
 238         uint64_t dequeued;
 239
 240         uint64_t errors;
 241 } __rte_cache_aligned;
 242
 243 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 244 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 245
 246 /* A tsc-based timer responsible for triggering statistics printout */
 247 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 248 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 249
 250 /* default period is 10 seconds */
 251 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 252
 253 /* Print out statistics on packets dropped */
 254 static void
 255 print_stats(void)
 256 {
 257         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 258         uint64_t total_packets_enqueued, total_packets_dequeued,
 259                 total_packets_errors;
 260         unsigned portid;
 261         uint64_t cdevid;
 262
 263         total_packets_dropped = 0;
 264         total_packets_tx = 0;
 265         total_packets_rx = 0;
 266         total_packets_enqueued = 0;
 267         total_packets_dequeued = 0;
 268         total_packets_errors = 0;
 269
 270         const char clr[] = { 27, '[', '2', 'J', '\0' };
 271         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 272
 273                 /* Clear screen and move to top left */
 274         printf("%s%s", clr, topLeft);
 275
 276         printf("\nPort statistics ====================================");
 277
 278         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 279                 /* skip disabled ports */
 280                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 281                         continue;
 282                 printf("\nStatistics for port %u ------------------------------"
 283                            "\nPackets sent: %32"PRIu64
 284                            "\nPackets received: %28"PRIu64
 285                            "\nPackets dropped: %29"PRIu64,
 286                            portid,
 287                            port_statistics[portid].tx,
 288                            port_statistics[portid].rx,
 289                            port_statistics[portid].dropped);
 290
 291                 total_packets_dropped += port_statistics[portid].dropped;
 292                 total_packets_tx += port_statistics[portid].tx;
 293                 total_packets_rx += port_statistics[portid].rx;
 294         }
 295         printf("\nCrypto statistics ==================================");
 296
 297         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 298                 /* skip disabled ports */
 299                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 300                         continue;
 301                 printf("\nStatistics for cryptodev %"PRIu64
 302                                 " -------------------------"
 303                            "\nPackets enqueued: %28"PRIu64
 304                            "\nPackets dequeued: %28"PRIu64
 305                            "\nPackets errors: %30"PRIu64,
 306                            cdevid,
 307                            crypto_statistics[cdevid].enqueued,
 308                            crypto_statistics[cdevid].dequeued,
 309                            crypto_statistics[cdevid].errors);
 310
 311                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 312                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 313                 total_packets_errors += crypto_statistics[cdevid].errors;
 314         }
 315         printf("\nAggregate statistics ==============================="
 316                    "\nTotal packets received: %22"PRIu64
 317                    "\nTotal packets enqueued: %22"PRIu64
 318                    "\nTotal packets dequeued: %22"PRIu64
 319                    "\nTotal packets sent: %26"PRIu64
 320                    "\nTotal packets dropped: %23"PRIu64
 321                    "\nTotal packets crypto errors: %17"PRIu64,
 322                    total_packets_rx,
 323                    total_packets_enqueued,
 324                    total_packets_dequeued,
 325                    total_packets_tx,
 326                    total_packets_dropped,
 327                    total_packets_errors);
 328         printf("\n====================================================\n");
 329 }
 330
 331 static int
 332 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 333                 struct l2fwd_crypto_params *cparams)
 334 {
 335         struct rte_crypto_op **op_buffer;
 336         unsigned ret;
 337
 338         op_buffer = (struct rte_crypto_op **)
 339                         qconf->op_buf[cparams->dev_id].buffer;
 340
 341         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 342                         cparams->qp_id, op_buffer, (uint16_t) n);
 343
 344         crypto_statistics[cparams->dev_id].enqueued += ret;
 345         if (unlikely(ret < n)) {
 346                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 347                 do {
 348                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 349                         rte_crypto_op_free(op_buffer[ret]);
 350                 } while (++ret < n);
 351         }
 352
 353         return 0;
 354 }
 355
 356 static int
 357 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 358                 struct l2fwd_crypto_params *cparams)
 359 {
 360         unsigned lcore_id, len;
 361         struct lcore_queue_conf *qconf;
 362
 363         lcore_id = rte_lcore_id();
 364
 365         qconf = &lcore_queue_conf[lcore_id];
 366         len = qconf->op_buf[cparams->dev_id].len;
 367         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 368         len++;
 369
 370         /* enough ops to be sent */
 371         if (len == MAX_PKT_BURST) {
 372                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 373                 len = 0;
 374         }
 375
 376         qconf->op_buf[cparams->dev_id].len = len;
 377         return 0;
 378 }
 379
 380 static int
 381 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 382                 struct rte_crypto_op *op,
 383                 struct l2fwd_crypto_params *cparams)
 384 {
 385         struct ether_hdr *eth_hdr;
 386         struct ipv4_hdr *ip_hdr;
 387
 388         uint32_t ipdata_offset, data_len;
 389         uint32_t pad_len = 0;
 390         char *padding;
 391
 392         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 393
 394         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 395                 return -1;
 396
 397         ipdata_offset = sizeof(struct ether_hdr);
 398
 399         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 400                         ipdata_offset);
 401
 402         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 403                         * IPV4_IHL_MULTIPLIER;
 404
 405
 406         /* Zero pad data to be crypto'd so it is block aligned */
 407         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 408
 409         if (cparams->do_hash && cparams->hash_verify)
 410                 data_len -= cparams->digest_length;
 411
 412         if (cparams->do_cipher) {
 413                 /*
 414                  * Following algorithms are block cipher algorithms,
 415                  * and might need padding
 416                  */
 417                 switch (cparams->cipher_algo) {
 418                 case RTE_CRYPTO_CIPHER_AES_CBC:
 419                 case RTE_CRYPTO_CIPHER_AES_ECB:
 420                 case RTE_CRYPTO_CIPHER_DES_CBC:
 421                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 422                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 423                         if (data_len % cparams->block_size)
 424                                 pad_len = cparams->block_size -
 425                                         (data_len % cparams->block_size);
 426                         break;
 427                 default:
 428                         pad_len = 0;
 429                 }
 430
 431                 if (pad_len) {
 432                         padding = rte_pktmbuf_append(m, pad_len);
 433                         if (unlikely(!padding))
 434                                 return -1;
 435
 436                         data_len += pad_len;
 437                         memset(padding, 0, pad_len);
 438                 }
 439         }
 440
 441         /* Set crypto operation data parameters */
 442         rte_crypto_op_attach_sym_session(op, cparams->session);
 443
 444         if (cparams->do_hash) {
 445                 if (!cparams->hash_verify) {
 446                         /* Append space for digest to end of packet */
 447                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 448                                 cparams->digest_length);
 449                 } else {
 450                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 451                                 uint8_t *) + ipdata_offset + data_len;
 452                 }
 453
 454                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 455                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 456                 op->sym->auth.digest.length = cparams->digest_length;
 457
 458                 /* For wireless algorithms, offset/length must be in bits */
 459                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 460                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 461                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 462                         op->sym->auth.data.offset = ipdata_offset << 3;
 463                         op->sym->auth.data.length = data_len << 3;
 464                 } else {
 465                         op->sym->auth.data.offset = ipdata_offset;
 466                         op->sym->auth.data.length = data_len;
 467                 }
 468
 469                 if (cparams->aad.length) {
 470                         op->sym->auth.aad.data = cparams->aad.data;
 471                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 472                         op->sym->auth.aad.length = cparams->aad.length;
 473                 }
 474         }
 475
 476         if (cparams->do_cipher) {
 477                 op->sym->cipher.iv.data = cparams->iv.data;
 478                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 479                 op->sym->cipher.iv.length = cparams->iv.length;
 480
 481                 /* For wireless algorithms, offset/length must be in bits */
 482                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 483                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 484                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 485                         op->sym->cipher.data.offset = ipdata_offset << 3;
 486                         op->sym->cipher.data.length = data_len << 3;
 487                 } else {
 488                         op->sym->cipher.data.offset = ipdata_offset;
 489                         op->sym->cipher.data.length = data_len;
 490                 }
 491         }
 492
 493         op->sym->m_src = m;
 494
 495         return l2fwd_crypto_enqueue(op, cparams);
 496 }
 497
 498
 499 /* Send the burst of packets on an output interface */
 500 static int
 501 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 502                 uint8_t port)
 503 {
 504         struct rte_mbuf **pkt_buffer;
 505         unsigned ret;
 506
 507         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 508
 509         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 510         port_statistics[port].tx += ret;
 511         if (unlikely(ret < n)) {
 512                 port_statistics[port].dropped += (n - ret);
 513                 do {
 514                         rte_pktmbuf_free(pkt_buffer[ret]);
 515                 } while (++ret < n);
 516         }
 517
 518         return 0;
 519 }
 520
 521 /* Enqueue packets for TX and prepare them to be sent */
 522 static int
 523 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 524 {
 525         unsigned lcore_id, len;
 526         struct lcore_queue_conf *qconf;
 527
 528         lcore_id = rte_lcore_id();
 529
 530         qconf = &lcore_queue_conf[lcore_id];
 531         len = qconf->pkt_buf[port].len;
 532         qconf->pkt_buf[port].buffer[len] = m;
 533         len++;
 534
 535         /* enough pkts to be sent */
 536         if (unlikely(len == MAX_PKT_BURST)) {
 537                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 538                 len = 0;
 539         }
 540
 541         qconf->pkt_buf[port].len = len;
 542         return 0;
 543 }
 544
 545 static void
 546 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 547 {
 548         struct ether_hdr *eth;
 549         void *tmp;
 550         unsigned dst_port;
 551
 552         dst_port = l2fwd_dst_ports[portid];
 553         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 554
 555         /* 02:00:00:00:00:xx */
 556         tmp = &eth->d_addr.addr_bytes[0];
 557         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 558
 559         /* src addr */
 560         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 561
 562         l2fwd_send_packet(m, (uint8_t) dst_port);
 563 }
 564
 565 /** Generate random key */
 566 static void
 567 generate_random_key(uint8_t *key, unsigned length)
 568 {
 569         int fd;
 570         int ret;
 571
 572         fd = open("/dev/urandom", O_RDONLY);
 573         if (fd < 0)
 574                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 575
 576         ret = read(fd, key, length);
 577         close(fd);
 578
 579         if (ret != (signed)length)
 580                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 581 }
 582
 583 static struct rte_cryptodev_sym_session *
 584 initialize_crypto_session(struct l2fwd_crypto_options *options,
 585                 uint8_t cdev_id)
 586 {
 587         struct rte_crypto_sym_xform *first_xform;
 588
 589         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 590                 first_xform = &options->cipher_xform;
 591                 first_xform->next = &options->auth_xform;
 592         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 593                 first_xform = &options->auth_xform;
 594                 first_xform->next = &options->cipher_xform;
 595         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 596                 first_xform = &options->cipher_xform;
 597         } else {
 598                 first_xform = &options->auth_xform;
 599         }
 600
 601         /* Setup Cipher Parameters */
 602         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 603 }
 604
 605 static void
 606 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 607
 608 /* main processing loop */
 609 static void
 610 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 611 {
 612         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 613         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 614
 615         unsigned lcore_id = rte_lcore_id();
 616         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 617         unsigned i, j, portid, nb_rx, len;
 618         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 619         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 620                         US_PER_S * BURST_TX_DRAIN_US;
 621         struct l2fwd_crypto_params *cparams;
 622         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 623
 624         if (qconf->nb_rx_ports == 0) {
 625                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 626                 return;
 627         }
 628
 629         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 630
 631         for (i = 0; i < qconf->nb_rx_ports; i++) {
 632
 633                 portid = qconf->rx_port_list[i];
 634                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 635                         portid);
 636         }
 637
 638         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 639                 port_cparams[i].do_cipher = 0;
 640                 port_cparams[i].do_hash = 0;
 641
 642                 switch (options->xform_chain) {
 643                 case L2FWD_CRYPTO_CIPHER_HASH:
 644                 case L2FWD_CRYPTO_HASH_CIPHER:
 645                         port_cparams[i].do_cipher = 1;
 646                         port_cparams[i].do_hash = 1;
 647                         break;
 648                 case L2FWD_CRYPTO_HASH_ONLY:
 649                         port_cparams[i].do_hash = 1;
 650                         break;
 651                 case L2FWD_CRYPTO_CIPHER_ONLY:
 652                         port_cparams[i].do_cipher = 1;
 653                         break;
 654                 }
 655
 656                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 657                 port_cparams[i].qp_id = 0;
 658
 659                 port_cparams[i].block_size = options->block_size;
 660
 661                 if (port_cparams[i].do_hash) {
 662                         port_cparams[i].digest_length =
 663                                         options->auth_xform.auth.digest_length;
 664                         if (options->auth_xform.auth.add_auth_data_length) {
 665                                 port_cparams[i].aad.data = options->aad.data;
 666                                 port_cparams[i].aad.length =
 667                                         options->auth_xform.auth.add_auth_data_length;
 668                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 669                                 if (!options->aad_param)
 670                                         generate_random_key(port_cparams[i].aad.data,
 671                                                 port_cparams[i].aad.length);
 672
 673                         }
 674
 675                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 676                                 port_cparams[i].hash_verify = 1;
 677                         else
 678                                 port_cparams[i].hash_verify = 0;
 679
 680                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 681                 }
 682
 683                 if (port_cparams[i].do_cipher) {
 684                         port_cparams[i].iv.data = options->iv.data;
 685                         port_cparams[i].iv.length = options->iv.length;
 686                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 687                         if (!options->iv_param)
 688                                 generate_random_key(port_cparams[i].iv.data,
 689                                                 port_cparams[i].iv.length);
 690
 691                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 692                 }
 693
 694                 port_cparams[i].session = initialize_crypto_session(options,
 695                                 port_cparams[i].dev_id);
 696
 697                 if (port_cparams[i].session == NULL)
 698                         return;
 699                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 700                                 port_cparams[i].dev_id);
 701         }
 702
 703         l2fwd_crypto_options_print(options);
 704
 705         /*
 706          * Initialize previous tsc timestamp before the loop,
 707          * to avoid showing the port statistics immediately,
 708          * so user can see the crypto information.
 709          */
 710         prev_tsc = rte_rdtsc();
 711         while (1) {
 712
 713                 cur_tsc = rte_rdtsc();
 714
 715                 /*
 716                  * Crypto device/TX burst queue drain
 717                  */
 718                 diff_tsc = cur_tsc - prev_tsc;
 719                 if (unlikely(diff_tsc > drain_tsc)) {
 720                         /* Enqueue all crypto ops remaining in buffers */
 721                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 722                                 cparams = &port_cparams[i];
 723                                 len = qconf->op_buf[cparams->dev_id].len;
 724                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 725                                 qconf->op_buf[cparams->dev_id].len = 0;
 726                         }
 727                         /* Transmit all packets remaining in buffers */
 728                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 729                                 if (qconf->pkt_buf[portid].len == 0)
 730                                         continue;
 731                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 732                                                  qconf->pkt_buf[portid].len,
 733                                                  (uint8_t) portid);
 734                                 qconf->pkt_buf[portid].len = 0;
 735                         }
 736
 737                         /* if timer is enabled */
 738                         if (timer_period > 0) {
 739
 740                                 /* advance the timer */
 741                                 timer_tsc += diff_tsc;
 742
 743                                 /* if timer has reached its timeout */
 744                                 if (unlikely(timer_tsc >=
 745                                                 (uint64_t)timer_period)) {
 746
 747                                         /* do this only on master core */
 748                                         if (lcore_id == rte_get_master_lcore()
 749                                                 && options->refresh_period) {
 750                                                 print_stats();
 751                                                 timer_tsc = 0;
 752                                         }
 753                                 }
 754                         }
 755
 756                         prev_tsc = cur_tsc;
 757                 }
 758
 759                 /*
 760                  * Read packet from RX queues
 761                  */
 762                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 763                         portid = qconf->rx_port_list[i];
 764
 765                         cparams = &port_cparams[i];
 766
 767                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 768                                                  pkts_burst, MAX_PKT_BURST);
 769
 770                         port_statistics[portid].rx += nb_rx;
 771
 772                         if (nb_rx) {
 773                                 /*
 774                                  * If we can't allocate a crypto_ops, then drop
 775                                  * the rest of the burst and dequeue and
 776                                  * process the packets to free offload structs
 777                                  */
 778                                 if (rte_crypto_op_bulk_alloc(
 779                                                 l2fwd_crypto_op_pool,
 780                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 781                                                 ops_burst, nb_rx) !=
 782                                                                 nb_rx) {
 783                                         for (j = 0; j < nb_rx; j++)
 784                                                 rte_pktmbuf_free(pkts_burst[i]);
 785
 786                                         nb_rx = 0;
 787                                 }
 788
 789                                 /* Enqueue packets from Crypto device*/
 790                                 for (j = 0; j < nb_rx; j++) {
 791                                         m = pkts_burst[j];
 792
 793                                         l2fwd_simple_crypto_enqueue(m,
 794                                                         ops_burst[j], cparams);
 795                                 }
 796                         }
 797
 798                         /* Dequeue packets from Crypto device */
 799                         do {
 800                                 nb_rx = rte_cryptodev_dequeue_burst(
 801                                                 cparams->dev_id, cparams->qp_id,
 802                                                 ops_burst, MAX_PKT_BURST);
 803
 804                                 crypto_statistics[cparams->dev_id].dequeued +=
 805                                                 nb_rx;
 806
 807                                 /* Forward crypto'd packets */
 808                                 for (j = 0; j < nb_rx; j++) {
 809                                         m = ops_burst[j]->sym->m_src;
 810
 811                                         rte_crypto_op_free(ops_burst[j]);
 812                                         l2fwd_simple_forward(m, portid);
 813                                 }
 814                         } while (nb_rx == MAX_PKT_BURST);
 815                 }
 816         }
 817 }
 818
 819 static int
 820 l2fwd_launch_one_lcore(void *arg)
 821 {
 822         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 823         return 0;
 824 }
 825
 826 /* Display command line arguments usage */
 827 static void
 828 l2fwd_crypto_usage(const char *prgname)
 829 {
 830         printf("%s [EAL options] --\n"
 831                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 832                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 833                 "  -s manage all ports from single lcore\n"
 834                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 835                 " (0 to disable, 10 default, 86400 maximum)\n"
 836
 837                 "  --cdev_type HW / SW / ANY\n"
 838                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 839
 840                 "  --cipher_algo ALGO\n"
 841                 "  --cipher_op ENCRYPT / DECRYPT\n"
 842                 "  --cipher_key KEY (bytes separated with \":\")\n"
 843                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 844                 "  --iv IV (bytes separated with \":\")\n"
 845                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 846
 847                 "  --auth_algo ALGO\n"
 848                 "  --auth_op GENERATE / VERIFY\n"
 849                 "  --auth_key KEY (bytes separated with \":\")\n"
 850                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 851                 "  --aad AAD (bytes separated with \":\")\n"
 852                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 853                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 854
 855                 "  --sessionless\n",
 856                prgname);
 857 }
 858
 859 /** Parse crypto device type command line argument */
 860 static int
 861 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 862 {
 863         if (strcmp("HW", optarg) == 0) {
 864                 *type = CDEV_TYPE_HW;
 865                 return 0;
 866         } else if (strcmp("SW", optarg) == 0) {
 867                 *type = CDEV_TYPE_SW;
 868                 return 0;
 869         } else if (strcmp("ANY", optarg) == 0) {
 870                 *type = CDEV_TYPE_ANY;
 871                 return 0;
 872         }
 873
 874         return -1;
 875 }
 876
 877 /** Parse crypto chain xform command line argument */
 878 static int
 879 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 880 {
 881         if (strcmp("CIPHER_HASH", optarg) == 0) {
 882                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 883                 return 0;
 884         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 885                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 886                 return 0;
 887         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 888                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 889                 return 0;
 890         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 891                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 892                 return 0;
 893         }
 894
 895         return -1;
 896 }
 897
 898 /** Parse crypto cipher algo option command line argument */
 899 static int
 900 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 901 {
 902
 903         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 904                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 905                                 "not supported!\n");
 906                 return -1;
 907         }
 908
 909         return 0;
 910 }
 911
 912 /** Parse crypto cipher operation command line argument */
 913 static int
 914 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 915 {
 916         if (strcmp("ENCRYPT", optarg) == 0) {
 917                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 918                 return 0;
 919         } else if (strcmp("DECRYPT", optarg) == 0) {
 920                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 921                 return 0;
 922         }
 923
 924         printf("Cipher operation not supported!\n");
 925         return -1;
 926 }
 927
 928 /** Parse crypto key command line argument */
 929 static int
 930 parse_key(uint8_t *data, char *input_arg)
 931 {
 932         unsigned byte_count;
 933         char *token;
 934
 935         for (byte_count = 0, token = strtok(input_arg, ":");
 936                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 937                         token = strtok(NULL, ":")) {
 938
 939                 int number = (int)strtol(token, NULL, 16);
 940
 941                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 942                         return -1;
 943
 944                 data[byte_count++] = (uint8_t)number;
 945         }
 946
 947         return byte_count;
 948 }
 949
 950 /** Parse size param*/
 951 static int
 952 parse_size(int *size, const char *q_arg)
 953 {
 954         char *end = NULL;
 955         unsigned long n;
 956
 957         /* parse hexadecimal string */
 958         n = strtoul(q_arg, &end, 10);
 959         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 960                 n = 0;
 961
 962         if (n == 0) {
 963                 printf("invalid size\n");
 964                 return -1;
 965         }
 966
 967         *size = n;
 968         return 0;
 969 }
 970
 971 /** Parse crypto cipher operation command line argument */
 972 static int
 973 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 974 {
 975         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 976                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 977                                 "not supported!\n");
 978                 return -1;
 979         }
 980
 981         return 0;
 982 }
 983
 984 static int
 985 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 986 {
 987         if (strcmp("VERIFY", optarg) == 0) {
 988                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 989                 return 0;
 990         } else if (strcmp("GENERATE", optarg) == 0) {
 991                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 992                 return 0;
 993         }
 994
 995         printf("Authentication operation specified not supported!\n");
 996         return -1;
 997 }
 998
 999 /** Parse long options */
1000 static int
1001 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1002                 struct option *lgopts, int option_index)
1003 {
1004         int retval;
1005
1006         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1007                 retval = parse_cryptodev_type(&options->type, optarg);
1008                 if (retval == 0)
1009                         snprintf(options->string_type, MAX_STR_LEN,
1010                                 "%s", optarg);
1011                 return retval;
1012         }
1013
1014         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1015                 return parse_crypto_opt_chain(options, optarg);
1016
1017         /* Cipher options */
1018         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1019                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1020                                 optarg);
1021
1022         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1023                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1024                                 optarg);
1025
1026         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1027                 options->ckey_param = 1;
1028                 options->cipher_xform.cipher.key.length =
1029                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1030                 if (options->cipher_xform.cipher.key.length > 0)
1031                         return 0;
1032                 else
1033                         return -1;
1034         }
1035
1036         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1037                 return parse_size(&options->ckey_random_size, optarg);
1038
1039         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1040                 options->iv_param = 1;
1041                 options->iv.length =
1042                         parse_key(options->iv.data, optarg);
1043                 if (options->iv.length > 0)
1044                         return 0;
1045                 else
1046                         return -1;
1047         }
1048
1049         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1050                 return parse_size(&options->iv_random_size, optarg);
1051
1052         /* Authentication options */
1053         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1054                 return parse_auth_algo(&options->auth_xform.auth.algo,
1055                                 optarg);
1056         }
1057
1058         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1059                 return parse_auth_op(&options->auth_xform.auth.op,
1060                                 optarg);
1061
1062         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1063                 options->akey_param = 1;
1064                 options->auth_xform.auth.key.length =
1065                         parse_key(options->auth_xform.auth.key.data, optarg);
1066                 if (options->auth_xform.auth.key.length > 0)
1067                         return 0;
1068                 else
1069                         return -1;
1070         }
1071
1072         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1073                 return parse_size(&options->akey_random_size, optarg);
1074         }
1075
1076         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1077                 options->aad_param = 1;
1078                 options->aad.length =
1079                         parse_key(options->aad.data, optarg);
1080                 if (options->aad.length > 0)
1081                         return 0;
1082                 else
1083                         return -1;
1084         }
1085
1086         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1087                 return parse_size(&options->aad_random_size, optarg);
1088         }
1089
1090         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1091                 return parse_size(&options->digest_size, optarg);
1092         }
1093
1094         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1095                 options->sessionless = 1;
1096                 return 0;
1097         }
1098
1099         return -1;
1100 }
1101
1102 /** Parse port mask */
1103 static int
1104 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1105                 const char *q_arg)
1106 {
1107         char *end = NULL;
1108         unsigned long pm;
1109
1110         /* parse hexadecimal string */
1111         pm = strtoul(q_arg, &end, 16);
1112         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1113                 pm = 0;
1114
1115         options->portmask = pm;
1116         if (options->portmask == 0) {
1117                 printf("invalid portmask specified\n");
1118                 return -1;
1119         }
1120
1121         return pm;
1122 }
1123
1124 /** Parse number of queues */
1125 static int
1126 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1127                 const char *q_arg)
1128 {
1129         char *end = NULL;
1130         unsigned long n;
1131
1132         /* parse hexadecimal string */
1133         n = strtoul(q_arg, &end, 10);
1134         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1135                 n = 0;
1136         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1137                 n = 0;
1138
1139         options->nb_ports_per_lcore = n;
1140         if (options->nb_ports_per_lcore == 0) {
1141                 printf("invalid number of ports selected\n");
1142                 return -1;
1143         }
1144
1145         return 0;
1146 }
1147
1148 /** Parse timer period */
1149 static int
1150 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1151                 const char *q_arg)
1152 {
1153         char *end = NULL;
1154         unsigned long n;
1155
1156         /* parse number string */
1157         n = (unsigned)strtol(q_arg, &end, 10);
1158         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1159                 n = 0;
1160
1161         if (n >= MAX_TIMER_PERIOD) {
1162                 printf("Warning refresh period specified %lu is greater than "
1163                                 "max value %lu! using max value",
1164                                 n, MAX_TIMER_PERIOD);
1165                 n = MAX_TIMER_PERIOD;
1166         }
1167
1168         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1169
1170         return 0;
1171 }
1172
1173 /** Generate default options for application */
1174 static void
1175 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1176 {
1177         options->portmask = 0xffffffff;
1178         options->nb_ports_per_lcore = 1;
1179         options->refresh_period = 10000;
1180         options->single_lcore = 0;
1181         options->sessionless = 0;
1182
1183         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1184
1185         /* Cipher Data */
1186         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1187         options->cipher_xform.next = NULL;
1188         options->ckey_param = 0;
1189         options->ckey_random_size = -1;
1190         options->cipher_xform.cipher.key.length = 0;
1191         options->iv_param = 0;
1192         options->iv_random_size = -1;
1193         options->iv.length = 0;
1194
1195         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1196         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1197
1198         /* Authentication Data */
1199         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1200         options->auth_xform.next = NULL;
1201         options->akey_param = 0;
1202         options->akey_random_size = -1;
1203         options->auth_xform.auth.key.length = 0;
1204         options->aad_param = 0;
1205         options->aad_random_size = -1;
1206         options->aad.length = 0;
1207         options->digest_size = -1;
1208
1209         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1210         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1211
1212         options->type = CDEV_TYPE_ANY;
1213 }
1214
1215 static void
1216 display_cipher_info(struct l2fwd_crypto_options *options)
1217 {
1218         printf("\n---- Cipher information ---\n");
1219         printf("Algorithm: %s\n",
1220                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1221         rte_hexdump(stdout, "Cipher key:",
1222                         options->cipher_xform.cipher.key.data,
1223                         options->cipher_xform.cipher.key.length);
1224         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1225 }
1226
1227 static void
1228 display_auth_info(struct l2fwd_crypto_options *options)
1229 {
1230         printf("\n---- Authentication information ---\n");
1231         printf("Algorithm: %s\n",
1232                 rte_crypto_auth_algorithm_strings[options->auth_xform.cipher.algo]);
1233         rte_hexdump(stdout, "Auth key:",
1234                         options->auth_xform.auth.key.data,
1235                         options->auth_xform.auth.key.length);
1236         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1237 }
1238
1239 static void
1240 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1241 {
1242         char string_cipher_op[MAX_STR_LEN];
1243         char string_auth_op[MAX_STR_LEN];
1244
1245         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1246                 strcpy(string_cipher_op, "Encrypt");
1247         else
1248                 strcpy(string_cipher_op, "Decrypt");
1249
1250         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1251                 strcpy(string_auth_op, "Auth generate");
1252         else
1253                 strcpy(string_auth_op, "Auth verify");
1254
1255         printf("Options:-\nn");
1256         printf("portmask: %x\n", options->portmask);
1257         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1258         printf("refresh period : %u\n", options->refresh_period);
1259         printf("single lcore mode: %s\n",
1260                         options->single_lcore ? "enabled" : "disabled");
1261         printf("stats_printing: %s\n",
1262                         options->refresh_period == 0 ? "disabled" : "enabled");
1263
1264         printf("sessionless crypto: %s\n",
1265                         options->sessionless ? "enabled" : "disabled");
1266
1267         if (options->ckey_param && (options->ckey_random_size != -1))
1268                 printf("Cipher key already parsed, ignoring size of random key\n");
1269
1270         if (options->akey_param && (options->akey_random_size != -1))
1271                 printf("Auth key already parsed, ignoring size of random key\n");
1272
1273         if (options->iv_param && (options->iv_random_size != -1))
1274                 printf("IV already parsed, ignoring size of random IV\n");
1275
1276         if (options->aad_param && (options->aad_random_size != -1))
1277                 printf("AAD already parsed, ignoring size of random AAD\n");
1278
1279         printf("\nCrypto chain: ");
1280         switch (options->xform_chain) {
1281         case L2FWD_CRYPTO_CIPHER_HASH:
1282                 printf("Input --> %s --> %s --> Output\n",
1283                         string_cipher_op, string_auth_op);
1284                 display_cipher_info(options);
1285                 display_auth_info(options);
1286                 break;
1287         case L2FWD_CRYPTO_HASH_CIPHER:
1288                 printf("Input --> %s --> %s --> Output\n",
1289                         string_auth_op, string_cipher_op);
1290                 display_cipher_info(options);
1291                 display_auth_info(options);
1292                 break;
1293         case L2FWD_CRYPTO_HASH_ONLY:
1294                 printf("Input --> %s --> Output\n", string_auth_op);
1295                 display_auth_info(options);
1296                 break;
1297         case L2FWD_CRYPTO_CIPHER_ONLY:
1298                 printf("Input --> %s --> Output\n", string_cipher_op);
1299                 display_cipher_info(options);
1300                 break;
1301         }
1302 }
1303
1304 /* Parse the argument given in the command line of the application */
1305 static int
1306 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1307                 int argc, char **argv)
1308 {
1309         int opt, retval, option_index;
1310         char **argvopt = argv, *prgname = argv[0];
1311
1312         static struct option lgopts[] = {
1313                         { "sessionless", no_argument, 0, 0 },
1314
1315                         { "cdev_type", required_argument, 0, 0 },
1316                         { "chain", required_argument, 0, 0 },
1317
1318                         { "cipher_algo", required_argument, 0, 0 },
1319                         { "cipher_op", required_argument, 0, 0 },
1320                         { "cipher_key", required_argument, 0, 0 },
1321                         { "cipher_key_random_size", required_argument, 0, 0 },
1322
1323                         { "auth_algo", required_argument, 0, 0 },
1324                         { "auth_op", required_argument, 0, 0 },
1325                         { "auth_key", required_argument, 0, 0 },
1326                         { "auth_key_random_size", required_argument, 0, 0 },
1327
1328                         { "iv", required_argument, 0, 0 },
1329                         { "iv_random_size", required_argument, 0, 0 },
1330                         { "aad", required_argument, 0, 0 },
1331                         { "aad_random_size", required_argument, 0, 0 },
1332                         { "digest_size", required_argument, 0, 0 },
1333
1334                         { "sessionless", no_argument, 0, 0 },
1335
1336                         { NULL, 0, 0, 0 }
1337         };
1338
1339         l2fwd_crypto_default_options(options);
1340
1341         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1342                         &option_index)) != EOF) {
1343                 switch (opt) {
1344                 /* long options */
1345                 case 0:
1346                         retval = l2fwd_crypto_parse_args_long_options(options,
1347                                         lgopts, option_index);
1348                         if (retval < 0) {
1349                                 l2fwd_crypto_usage(prgname);
1350                                 return -1;
1351                         }
1352                         break;
1353
1354                 /* portmask */
1355                 case 'p':
1356                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1357                         if (retval < 0) {
1358                                 l2fwd_crypto_usage(prgname);
1359                                 return -1;
1360                         }
1361                         break;
1362
1363                 /* nqueue */
1364                 case 'q':
1365                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1366                         if (retval < 0) {
1367                                 l2fwd_crypto_usage(prgname);
1368                                 return -1;
1369                         }
1370                         break;
1371
1372                 /* single  */
1373                 case 's':
1374                         options->single_lcore = 1;
1375
1376                         break;
1377
1378                 /* timer period */
1379                 case 'T':
1380                         retval = l2fwd_crypto_parse_timer_period(options,
1381                                         optarg);
1382                         if (retval < 0) {
1383                                 l2fwd_crypto_usage(prgname);
1384                                 return -1;
1385                         }
1386                         break;
1387
1388                 default:
1389                         l2fwd_crypto_usage(prgname);
1390                         return -1;
1391                 }
1392         }
1393
1394
1395         if (optind >= 0)
1396                 argv[optind-1] = prgname;
1397
1398         retval = optind-1;
1399         optind = 1; /* reset getopt lib */
1400
1401         return retval;
1402 }
1403
1404 /* Check the link status of all ports in up to 9s, and print them finally */
1405 static void
1406 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1407 {
1408 #define CHECK_INTERVAL 100 /* 100ms */
1409 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1410         uint8_t portid, count, all_ports_up, print_flag = 0;
1411         struct rte_eth_link link;
1412
1413         printf("\nChecking link status");
1414         fflush(stdout);
1415         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1416                 all_ports_up = 1;
1417                 for (portid = 0; portid < port_num; portid++) {
1418                         if ((port_mask & (1 << portid)) == 0)
1419                                 continue;
1420                         memset(&link, 0, sizeof(link));
1421                         rte_eth_link_get_nowait(portid, &link);
1422                         /* print link status if flag set */
1423                         if (print_flag == 1) {
1424                                 if (link.link_status)
1425                                         printf("Port %d Link Up - speed %u "
1426                                                 "Mbps - %s\n", (uint8_t)portid,
1427                                                 (unsigned)link.link_speed,
1428                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1429                                         ("full-duplex") : ("half-duplex\n"));
1430                                 else
1431                                         printf("Port %d Link Down\n",
1432                                                 (uint8_t)portid);
1433                                 continue;
1434                         }
1435                         /* clear all_ports_up flag if any link down */
1436                         if (link.link_status == ETH_LINK_DOWN) {
1437                                 all_ports_up = 0;
1438                                 break;
1439                         }
1440                 }
1441                 /* after finally printing all link status, get out */
1442                 if (print_flag == 1)
1443                         break;
1444
1445                 if (all_ports_up == 0) {
1446                         printf(".");
1447                         fflush(stdout);
1448                         rte_delay_ms(CHECK_INTERVAL);
1449                 }
1450
1451                 /* set the print_flag if all ports up or timeout */
1452                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1453                         print_flag = 1;
1454                         printf("done\n");
1455                 }
1456         }
1457 }
1458
1459 /* Check if device has to be HW/SW or any */
1460 static int
1461 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1462 {
1463         if (options->type == CDEV_TYPE_HW &&
1464                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1465                 return 0;
1466         if (options->type == CDEV_TYPE_SW &&
1467                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1468                 return 0;
1469         if (options->type == CDEV_TYPE_ANY)
1470                 return 0;
1471
1472         return -1;
1473 }
1474
1475 static inline int
1476 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1477                 uint16_t increment)
1478 {
1479         uint16_t supp_size;
1480
1481         /* Single value */
1482         if (increment == 0) {
1483                 if (length == min)
1484                         return 0;
1485                 else
1486                         return -1;
1487         }
1488
1489         /* Range of values */
1490         for (supp_size = min; supp_size <= max; supp_size += increment) {
1491                 if (length == supp_size)
1492                         return 0;
1493         }
1494
1495         return -1;
1496 }
1497 static int
1498 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1499                 uint8_t *enabled_cdevs)
1500 {
1501         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1502         const struct rte_cryptodev_capabilities *cap;
1503         enum rte_crypto_auth_algorithm cap_auth_algo;
1504         enum rte_crypto_auth_algorithm opt_auth_algo;
1505         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1506         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1507         int retval;
1508
1509         cdev_count = rte_cryptodev_count();
1510         if (cdev_count == 0) {
1511                 printf("No crypto devices available\n");
1512                 return -1;
1513         }
1514
1515         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1516                         cdev_id++) {
1517                 struct rte_cryptodev_qp_conf qp_conf;
1518                 struct rte_cryptodev_info dev_info;
1519
1520                 struct rte_cryptodev_config conf = {
1521                         .nb_queue_pairs = 1,
1522                         .socket_id = SOCKET_ID_ANY,
1523                         .session_mp = {
1524                                 .nb_objs = 2048,
1525                                 .cache_size = 64
1526                         }
1527                 };
1528
1529                 rte_cryptodev_info_get(cdev_id, &dev_info);
1530
1531                 /* Set cipher parameters */
1532                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1533                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1534                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1535                         /* Check if device supports cipher algo */
1536                         i = 0;
1537                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1538                         cap = &dev_info.capabilities[i];
1539                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1540                                 cap_cipher_algo = cap->sym.cipher.algo;
1541                                 if (cap->sym.xform_type ==
1542                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1543                                         if (cap_cipher_algo == opt_cipher_algo) {
1544                                                 if (check_type(options, &dev_info) == 0)
1545                                                         break;
1546                                         }
1547                                 }
1548                                 cap = &dev_info.capabilities[++i];
1549                         }
1550
1551                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1552                                 printf("Algorithm %s not supported by cryptodev %u"
1553                                         " or device not of preferred type (%s)\n",
1554                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1555                                         cdev_id,
1556                                         options->string_type);
1557                                 continue;
1558                         }
1559
1560                         options->block_size = cap->sym.cipher.block_size;
1561                         /*
1562                          * Check if length of provided IV is supported
1563                          * by the algorithm chosen.
1564                          */
1565                         if (options->iv_param) {
1566                                 if (check_supported_size(options->iv.length,
1567                                                 cap->sym.cipher.iv_size.min,
1568                                                 cap->sym.cipher.iv_size.max,
1569                                                 cap->sym.cipher.iv_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 (options->iv_random_size != -1) {
1579                                 if (check_supported_size(options->iv_random_size,
1580                                                 cap->sym.cipher.iv_size.min,
1581                                                 cap->sym.cipher.iv_size.max,
1582                                                 cap->sym.cipher.iv_size.increment)
1583                                                         != 0) {
1584                                         printf("Unsupported IV length\n");
1585                                         return -1;
1586                                 }
1587                                 options->iv.length = options->iv_random_size;
1588                         /* No size provided, use minimum size. */
1589                         } else
1590                                 options->iv.length = cap->sym.cipher.iv_size.min;
1591
1592                         /*
1593                          * Check if length of provided cipher key is supported
1594                          * by the algorithm chosen.
1595                          */
1596                         if (options->ckey_param) {
1597                                 if (check_supported_size(
1598                                                 options->cipher_xform.cipher.key.length,
1599                                                 cap->sym.cipher.key_size.min,
1600                                                 cap->sym.cipher.key_size.max,
1601                                                 cap->sym.cipher.key_size.increment)
1602                                                         != 0) {
1603                                         printf("Unsupported cipher key length\n");
1604                                         return -1;
1605                                 }
1606                         /*
1607                          * Check if length of the cipher key to be randomly generated
1608                          * is supported by the algorithm chosen.
1609                          */
1610                         } else if (options->ckey_random_size != -1) {
1611                                 if (check_supported_size(options->ckey_random_size,
1612                                                 cap->sym.cipher.key_size.min,
1613                                                 cap->sym.cipher.key_size.max,
1614                                                 cap->sym.cipher.key_size.increment)
1615                                                         != 0) {
1616                                         printf("Unsupported cipher key length\n");
1617                                         return -1;
1618                                 }
1619                                 options->cipher_xform.cipher.key.length =
1620                                                         options->ckey_random_size;
1621                         /* No size provided, use minimum size. */
1622                         } else
1623                                 options->cipher_xform.cipher.key.length =
1624                                                 cap->sym.cipher.key_size.min;
1625
1626                         if (!options->ckey_param)
1627                                 generate_random_key(
1628                                         options->cipher_xform.cipher.key.data,
1629                                         options->cipher_xform.cipher.key.length);
1630
1631                 }
1632
1633                 /* Set auth parameters */
1634                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1635                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1636                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1637                         /* Check if device supports auth algo */
1638                         i = 0;
1639                         opt_auth_algo = options->auth_xform.auth.algo;
1640                         cap = &dev_info.capabilities[i];
1641                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1642                                 cap_auth_algo = cap->sym.auth.algo;
1643                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1644                                                 (cap_auth_algo == opt_auth_algo) &&
1645                                                 (check_type(options, &dev_info) == 0)) {
1646                                         break;
1647                                 }
1648                                 cap = &dev_info.capabilities[++i];
1649                         }
1650
1651                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1652                                 printf("Algorithm %s not supported by cryptodev %u"
1653                                         " or device not of preferred type (%s)\n",
1654                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1655                                         cdev_id,
1656                                         options->string_type);
1657                                 continue;
1658                         }
1659
1660                         options->block_size = cap->sym.auth.block_size;
1661                         /*
1662                          * Check if length of provided AAD is supported
1663                          * by the algorithm chosen.
1664                          */
1665                         if (options->aad_param) {
1666                                 if (check_supported_size(options->aad.length,
1667                                                 cap->sym.auth.aad_size.min,
1668                                                 cap->sym.auth.aad_size.max,
1669                                                 cap->sym.auth.aad_size.increment)
1670                                                         != 0) {
1671                                         printf("Unsupported AAD length\n");
1672                                         return -1;
1673                                 }
1674                         /*
1675                          * Check if length of AAD to be randomly generated
1676                          * is supported by the algorithm chosen.
1677                          */
1678                         } else if (options->aad_random_size != -1) {
1679                                 if (check_supported_size(options->aad_random_size,
1680                                                 cap->sym.auth.aad_size.min,
1681                                                 cap->sym.auth.aad_size.max,
1682                                                 cap->sym.auth.aad_size.increment)
1683                                                         != 0) {
1684                                         printf("Unsupported AAD length\n");
1685                                         return -1;
1686                                 }
1687                                 options->aad.length = options->aad_random_size;
1688                         /* No size provided, use minimum size. */
1689                         } else
1690                                 options->aad.length = cap->sym.auth.aad_size.min;
1691
1692                         options->auth_xform.auth.add_auth_data_length =
1693                                                 options->aad.length;
1694
1695                         /*
1696                          * Check if length of provided auth key is supported
1697                          * by the algorithm chosen.
1698                          */
1699                         if (options->akey_param) {
1700                                 if (check_supported_size(
1701                                                 options->auth_xform.auth.key.length,
1702                                                 cap->sym.auth.key_size.min,
1703                                                 cap->sym.auth.key_size.max,
1704                                                 cap->sym.auth.key_size.increment)
1705                                                         != 0) {
1706                                         printf("Unsupported auth key length\n");
1707                                         return -1;
1708                                 }
1709                         /*
1710                          * Check if length of the auth key to be randomly generated
1711                          * is supported by the algorithm chosen.
1712                          */
1713                         } else if (options->akey_random_size != -1) {
1714                                 if (check_supported_size(options->akey_random_size,
1715                                                 cap->sym.auth.key_size.min,
1716                                                 cap->sym.auth.key_size.max,
1717                                                 cap->sym.auth.key_size.increment)
1718                                                         != 0) {
1719                                         printf("Unsupported auth key length\n");
1720                                         return -1;
1721                                 }
1722                                 options->auth_xform.auth.key.length =
1723                                                         options->akey_random_size;
1724                         /* No size provided, use minimum size. */
1725                         } else
1726                                 options->auth_xform.auth.key.length =
1727                                                 cap->sym.auth.key_size.min;
1728
1729                         if (!options->akey_param)
1730                                 generate_random_key(
1731                                         options->auth_xform.auth.key.data,
1732                                         options->auth_xform.auth.key.length);
1733
1734                         /* Check if digest size is supported by the algorithm. */
1735                         if (options->digest_size != -1) {
1736                                 if (check_supported_size(options->digest_size,
1737                                                 cap->sym.auth.digest_size.min,
1738                                                 cap->sym.auth.digest_size.max,
1739                                                 cap->sym.auth.digest_size.increment)
1740                                                         != 0) {
1741                                         printf("Unsupported digest length\n");
1742                                         return -1;
1743                                 }
1744                                 options->auth_xform.auth.digest_length =
1745                                                         options->digest_size;
1746                         /* No size provided, use minimum size. */
1747                         } else
1748                                 options->auth_xform.auth.digest_length =
1749                                                 cap->sym.auth.digest_size.min;
1750                 }
1751
1752                 retval = rte_cryptodev_configure(cdev_id, &conf);
1753                 if (retval < 0) {
1754                         printf("Failed to configure cryptodev %u", cdev_id);
1755                         return -1;
1756                 }
1757
1758                 qp_conf.nb_descriptors = 2048;
1759
1760                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1761                                 SOCKET_ID_ANY);
1762                 if (retval < 0) {
1763                         printf("Failed to setup queue pair %u on cryptodev %u",
1764                                         0, cdev_id);
1765                         return -1;
1766                 }
1767
1768                 retval = rte_cryptodev_start(cdev_id);
1769                 if (retval < 0) {
1770                         printf("Failed to start device %u: error %d\n",
1771                                         cdev_id, retval);
1772                         return -1;
1773                 }
1774
1775                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1776
1777                 enabled_cdevs[cdev_id] = 1;
1778                 enabled_cdev_count++;
1779         }
1780
1781         return enabled_cdev_count;
1782 }
1783
1784 static int
1785 initialize_ports(struct l2fwd_crypto_options *options)
1786 {
1787         uint8_t last_portid, portid;
1788         unsigned enabled_portcount = 0;
1789         unsigned nb_ports = rte_eth_dev_count();
1790
1791         if (nb_ports == 0) {
1792                 printf("No Ethernet ports - bye\n");
1793                 return -1;
1794         }
1795
1796         /* Reset l2fwd_dst_ports */
1797         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1798                 l2fwd_dst_ports[portid] = 0;
1799
1800         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1801                 int retval;
1802
1803                 /* Skip ports that are not enabled */
1804                 if ((options->portmask & (1 << portid)) == 0)
1805                         continue;
1806
1807                 /* init port */
1808                 printf("Initializing port %u... ", (unsigned) portid);
1809                 fflush(stdout);
1810                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1811                 if (retval < 0) {
1812                         printf("Cannot configure device: err=%d, port=%u\n",
1813                                   retval, (unsigned) portid);
1814                         return -1;
1815                 }
1816
1817                 /* init one RX queue */
1818                 fflush(stdout);
1819                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1820                                              rte_eth_dev_socket_id(portid),
1821                                              NULL, l2fwd_pktmbuf_pool);
1822                 if (retval < 0) {
1823                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1824                                         retval, (unsigned) portid);
1825                         return -1;
1826                 }
1827
1828                 /* init one TX queue on each port */
1829                 fflush(stdout);
1830                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1831                                 rte_eth_dev_socket_id(portid),
1832                                 NULL);
1833                 if (retval < 0) {
1834                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1835                                 retval, (unsigned) portid);
1836
1837                         return -1;
1838                 }
1839
1840                 /* Start device */
1841                 retval = rte_eth_dev_start(portid);
1842                 if (retval < 0) {
1843                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1844                                         retval, (unsigned) portid);
1845                         return -1;
1846                 }
1847
1848                 rte_eth_promiscuous_enable(portid);
1849
1850                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1851
1852                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1853                                 (unsigned) portid,
1854                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1855                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1856                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1857                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1858                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1859                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1860
1861                 /* initialize port stats */
1862                 memset(&port_statistics, 0, sizeof(port_statistics));
1863
1864                 /* Setup port forwarding table */
1865                 if (enabled_portcount % 2) {
1866                         l2fwd_dst_ports[portid] = last_portid;
1867                         l2fwd_dst_ports[last_portid] = portid;
1868                 } else {
1869                         last_portid = portid;
1870                 }
1871
1872                 l2fwd_enabled_port_mask |= (1 << portid);
1873                 enabled_portcount++;
1874         }
1875
1876         if (enabled_portcount == 1) {
1877                 l2fwd_dst_ports[last_portid] = last_portid;
1878         } else if (enabled_portcount % 2) {
1879                 printf("odd number of ports in portmask- bye\n");
1880                 return -1;
1881         }
1882
1883         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1884
1885         return enabled_portcount;
1886 }
1887
1888 static void
1889 reserve_key_memory(struct l2fwd_crypto_options *options)
1890 {
1891         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1892                                                 MAX_KEY_SIZE, 0);
1893         if (options->cipher_xform.cipher.key.data == NULL)
1894                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1895
1896
1897         options->auth_xform.auth.key.data = rte_malloc("auth key",
1898                                                 MAX_KEY_SIZE, 0);
1899         if (options->auth_xform.auth.key.data == NULL)
1900                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1901
1902         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1903         if (options->iv.data == NULL)
1904                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1905         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1906
1907         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1908         if (options->aad.data == NULL)
1909                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1910         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1911 }
1912
1913 int
1914 main(int argc, char **argv)
1915 {
1916         struct lcore_queue_conf *qconf;
1917         struct l2fwd_crypto_options options;
1918
1919         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1920         unsigned lcore_id, rx_lcore_id;
1921         int ret, enabled_cdevcount, enabled_portcount;
1922         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1923
1924         /* init EAL */
1925         ret = rte_eal_init(argc, argv);
1926         if (ret < 0)
1927                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1928         argc -= ret;
1929         argv += ret;
1930
1931         /* reserve memory for Cipher/Auth key and IV */
1932         reserve_key_memory(&options);
1933
1934         /* parse application arguments (after the EAL ones) */
1935         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1936         if (ret < 0)
1937                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1938
1939         /* create the mbuf pool */
1940         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1941                         sizeof(struct rte_crypto_op),
1942                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1943         if (l2fwd_pktmbuf_pool == NULL)
1944                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1945
1946         /* create crypto op pool */
1947         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1948                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1949                         rte_socket_id());
1950         if (l2fwd_crypto_op_pool == NULL)
1951                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1952
1953         /* Enable Ethernet ports */
1954         enabled_portcount = initialize_ports(&options);
1955         if (enabled_portcount < 1)
1956                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1957
1958         nb_ports = rte_eth_dev_count();
1959         /* Initialize the port/queue configuration of each logical core */
1960         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1961                         portid < nb_ports; portid++) {
1962
1963                 /* skip ports that are not enabled */
1964                 if ((options.portmask & (1 << portid)) == 0)
1965                         continue;
1966
1967                 if (options.single_lcore && qconf == NULL) {
1968                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1969                                 rx_lcore_id++;
1970                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1971                                         rte_exit(EXIT_FAILURE,
1972                                                         "Not enough cores\n");
1973                         }
1974                 } else if (!options.single_lcore) {
1975                         /* get the lcore_id for this port */
1976                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1977                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1978                                options.nb_ports_per_lcore) {
1979                                 rx_lcore_id++;
1980                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1981                                         rte_exit(EXIT_FAILURE,
1982                                                         "Not enough cores\n");
1983                         }
1984                 }
1985
1986                 /* Assigned a new logical core in the loop above. */
1987                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1988                         qconf = &lcore_queue_conf[rx_lcore_id];
1989
1990                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1991                 qconf->nb_rx_ports++;
1992
1993                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1994         }
1995
1996         /* Enable Crypto devices */
1997         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
1998                         enabled_cdevs);
1999         if (enabled_cdevcount < 0)
2000                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2001
2002         if (enabled_cdevcount < enabled_portcount)
2003                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2004                                 "has to be more or equal to number of ports (%d)\n",
2005                                 enabled_cdevcount, enabled_portcount);
2006
2007         nb_cryptodevs = rte_cryptodev_count();
2008
2009         /* Initialize the port/cryptodev configuration of each logical core */
2010         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2011                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2012                         cdev_id++) {
2013                 /* Crypto op not supported by crypto device */
2014                 if (!enabled_cdevs[cdev_id])
2015                         continue;
2016
2017                 if (options.single_lcore && qconf == NULL) {
2018                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2019                                 rx_lcore_id++;
2020                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2021                                         rte_exit(EXIT_FAILURE,
2022                                                         "Not enough cores\n");
2023                         }
2024                 } else if (!options.single_lcore) {
2025                         /* get the lcore_id for this port */
2026                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2027                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2028                                options.nb_ports_per_lcore) {
2029                                 rx_lcore_id++;
2030                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2031                                         rte_exit(EXIT_FAILURE,
2032                                                         "Not enough cores\n");
2033                         }
2034                 }
2035
2036                 /* Assigned a new logical core in the loop above. */
2037                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2038                         qconf = &lcore_queue_conf[rx_lcore_id];
2039
2040                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2041                 qconf->nb_crypto_devs++;
2042
2043                 enabled_cdevcount--;
2044
2045                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2046                                 (unsigned)cdev_id);
2047         }
2048
2049         /* launch per-lcore init on every lcore */
2050         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2051                         CALL_MASTER);
2052         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2053                 if (rte_eal_wait_lcore(lcore_id) < 0)
2054                         return -1;
2055         }
2056
2057         return 0;
2058 }