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   = 1, /**< 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                 } else {
 474                         op->sym->auth.aad.data = NULL;
 475                         op->sym->auth.aad.phys_addr = 0;
 476                         op->sym->auth.aad.length = 0;
 477                 }
 478         }
 479
 480         if (cparams->do_cipher) {
 481                 op->sym->cipher.iv.data = cparams->iv.data;
 482                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 483                 op->sym->cipher.iv.length = cparams->iv.length;
 484
 485                 /* For wireless algorithms, offset/length must be in bits */
 486                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 487                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 488                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 489                         op->sym->cipher.data.offset = ipdata_offset << 3;
 490                         op->sym->cipher.data.length = data_len << 3;
 491                 } else {
 492                         op->sym->cipher.data.offset = ipdata_offset;
 493                         op->sym->cipher.data.length = data_len;
 494                 }
 495         }
 496
 497         op->sym->m_src = m;
 498
 499         return l2fwd_crypto_enqueue(op, cparams);
 500 }
 501
 502
 503 /* Send the burst of packets on an output interface */
 504 static int
 505 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 506                 uint8_t port)
 507 {
 508         struct rte_mbuf **pkt_buffer;
 509         unsigned ret;
 510
 511         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 512
 513         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 514         port_statistics[port].tx += ret;
 515         if (unlikely(ret < n)) {
 516                 port_statistics[port].dropped += (n - ret);
 517                 do {
 518                         rte_pktmbuf_free(pkt_buffer[ret]);
 519                 } while (++ret < n);
 520         }
 521
 522         return 0;
 523 }
 524
 525 /* Enqueue packets for TX and prepare them to be sent */
 526 static int
 527 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 528 {
 529         unsigned lcore_id, len;
 530         struct lcore_queue_conf *qconf;
 531
 532         lcore_id = rte_lcore_id();
 533
 534         qconf = &lcore_queue_conf[lcore_id];
 535         len = qconf->pkt_buf[port].len;
 536         qconf->pkt_buf[port].buffer[len] = m;
 537         len++;
 538
 539         /* enough pkts to be sent */
 540         if (unlikely(len == MAX_PKT_BURST)) {
 541                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 542                 len = 0;
 543         }
 544
 545         qconf->pkt_buf[port].len = len;
 546         return 0;
 547 }
 548
 549 static void
 550 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 551 {
 552         struct ether_hdr *eth;
 553         void *tmp;
 554         unsigned dst_port;
 555
 556         dst_port = l2fwd_dst_ports[portid];
 557         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 558
 559         /* 02:00:00:00:00:xx */
 560         tmp = &eth->d_addr.addr_bytes[0];
 561         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 562
 563         /* src addr */
 564         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 565
 566         l2fwd_send_packet(m, (uint8_t) dst_port);
 567 }
 568
 569 /** Generate random key */
 570 static void
 571 generate_random_key(uint8_t *key, unsigned length)
 572 {
 573         int fd;
 574         int ret;
 575
 576         fd = open("/dev/urandom", O_RDONLY);
 577         if (fd < 0)
 578                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 579
 580         ret = read(fd, key, length);
 581         close(fd);
 582
 583         if (ret != (signed)length)
 584                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 585 }
 586
 587 static struct rte_cryptodev_sym_session *
 588 initialize_crypto_session(struct l2fwd_crypto_options *options,
 589                 uint8_t cdev_id)
 590 {
 591         struct rte_crypto_sym_xform *first_xform;
 592
 593         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 594                 first_xform = &options->cipher_xform;
 595                 first_xform->next = &options->auth_xform;
 596         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 597                 first_xform = &options->auth_xform;
 598                 first_xform->next = &options->cipher_xform;
 599         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 600                 first_xform = &options->cipher_xform;
 601         } else {
 602                 first_xform = &options->auth_xform;
 603         }
 604
 605         /* Setup Cipher Parameters */
 606         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 607 }
 608
 609 static void
 610 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 611
 612 /* main processing loop */
 613 static void
 614 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 615 {
 616         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 617         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 618
 619         unsigned lcore_id = rte_lcore_id();
 620         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 621         unsigned i, j, portid, nb_rx, len;
 622         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 623         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 624                         US_PER_S * BURST_TX_DRAIN_US;
 625         struct l2fwd_crypto_params *cparams;
 626         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 627
 628         if (qconf->nb_rx_ports == 0) {
 629                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 630                 return;
 631         }
 632
 633         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 634
 635         for (i = 0; i < qconf->nb_rx_ports; i++) {
 636
 637                 portid = qconf->rx_port_list[i];
 638                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 639                         portid);
 640         }
 641
 642         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 643                 port_cparams[i].do_cipher = 0;
 644                 port_cparams[i].do_hash = 0;
 645
 646                 switch (options->xform_chain) {
 647                 case L2FWD_CRYPTO_CIPHER_HASH:
 648                 case L2FWD_CRYPTO_HASH_CIPHER:
 649                         port_cparams[i].do_cipher = 1;
 650                         port_cparams[i].do_hash = 1;
 651                         break;
 652                 case L2FWD_CRYPTO_HASH_ONLY:
 653                         port_cparams[i].do_hash = 1;
 654                         break;
 655                 case L2FWD_CRYPTO_CIPHER_ONLY:
 656                         port_cparams[i].do_cipher = 1;
 657                         break;
 658                 }
 659
 660                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 661                 port_cparams[i].qp_id = 0;
 662
 663                 port_cparams[i].block_size = options->block_size;
 664
 665                 if (port_cparams[i].do_hash) {
 666                         port_cparams[i].digest_length =
 667                                         options->auth_xform.auth.digest_length;
 668                         if (options->auth_xform.auth.add_auth_data_length) {
 669                                 port_cparams[i].aad.data = options->aad.data;
 670                                 port_cparams[i].aad.length =
 671                                         options->auth_xform.auth.add_auth_data_length;
 672                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 673                                 if (!options->aad_param)
 674                                         generate_random_key(port_cparams[i].aad.data,
 675                                                 port_cparams[i].aad.length);
 676
 677                         } else
 678                                 port_cparams[i].aad.length = 0;
 679
 680                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 681                                 port_cparams[i].hash_verify = 1;
 682                         else
 683                                 port_cparams[i].hash_verify = 0;
 684
 685                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 686                 }
 687
 688                 if (port_cparams[i].do_cipher) {
 689                         port_cparams[i].iv.data = options->iv.data;
 690                         port_cparams[i].iv.length = options->iv.length;
 691                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 692                         if (!options->iv_param)
 693                                 generate_random_key(port_cparams[i].iv.data,
 694                                                 port_cparams[i].iv.length);
 695
 696                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 697                 }
 698
 699                 port_cparams[i].session = initialize_crypto_session(options,
 700                                 port_cparams[i].dev_id);
 701
 702                 if (port_cparams[i].session == NULL)
 703                         return;
 704                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 705                                 port_cparams[i].dev_id);
 706         }
 707
 708         l2fwd_crypto_options_print(options);
 709
 710         /*
 711          * Initialize previous tsc timestamp before the loop,
 712          * to avoid showing the port statistics immediately,
 713          * so user can see the crypto information.
 714          */
 715         prev_tsc = rte_rdtsc();
 716         while (1) {
 717
 718                 cur_tsc = rte_rdtsc();
 719
 720                 /*
 721                  * Crypto device/TX burst queue drain
 722                  */
 723                 diff_tsc = cur_tsc - prev_tsc;
 724                 if (unlikely(diff_tsc > drain_tsc)) {
 725                         /* Enqueue all crypto ops remaining in buffers */
 726                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 727                                 cparams = &port_cparams[i];
 728                                 len = qconf->op_buf[cparams->dev_id].len;
 729                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 730                                 qconf->op_buf[cparams->dev_id].len = 0;
 731                         }
 732                         /* Transmit all packets remaining in buffers */
 733                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 734                                 if (qconf->pkt_buf[portid].len == 0)
 735                                         continue;
 736                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 737                                                  qconf->pkt_buf[portid].len,
 738                                                  (uint8_t) portid);
 739                                 qconf->pkt_buf[portid].len = 0;
 740                         }
 741
 742                         /* if timer is enabled */
 743                         if (timer_period > 0) {
 744
 745                                 /* advance the timer */
 746                                 timer_tsc += diff_tsc;
 747
 748                                 /* if timer has reached its timeout */
 749                                 if (unlikely(timer_tsc >=
 750                                                 (uint64_t)timer_period)) {
 751
 752                                         /* do this only on master core */
 753                                         if (lcore_id == rte_get_master_lcore()
 754                                                 && options->refresh_period) {
 755                                                 print_stats();
 756                                                 timer_tsc = 0;
 757                                         }
 758                                 }
 759                         }
 760
 761                         prev_tsc = cur_tsc;
 762                 }
 763
 764                 /*
 765                  * Read packet from RX queues
 766                  */
 767                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 768                         portid = qconf->rx_port_list[i];
 769
 770                         cparams = &port_cparams[i];
 771
 772                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 773                                                  pkts_burst, MAX_PKT_BURST);
 774
 775                         port_statistics[portid].rx += nb_rx;
 776
 777                         if (nb_rx) {
 778                                 /*
 779                                  * If we can't allocate a crypto_ops, then drop
 780                                  * the rest of the burst and dequeue and
 781                                  * process the packets to free offload structs
 782                                  */
 783                                 if (rte_crypto_op_bulk_alloc(
 784                                                 l2fwd_crypto_op_pool,
 785                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 786                                                 ops_burst, nb_rx) !=
 787                                                                 nb_rx) {
 788                                         for (j = 0; j < nb_rx; j++)
 789                                                 rte_pktmbuf_free(pkts_burst[i]);
 790
 791                                         nb_rx = 0;
 792                                 }
 793
 794                                 /* Enqueue packets from Crypto device*/
 795                                 for (j = 0; j < nb_rx; j++) {
 796                                         m = pkts_burst[j];
 797
 798                                         l2fwd_simple_crypto_enqueue(m,
 799                                                         ops_burst[j], cparams);
 800                                 }
 801                         }
 802
 803                         /* Dequeue packets from Crypto device */
 804                         do {
 805                                 nb_rx = rte_cryptodev_dequeue_burst(
 806                                                 cparams->dev_id, cparams->qp_id,
 807                                                 ops_burst, MAX_PKT_BURST);
 808
 809                                 crypto_statistics[cparams->dev_id].dequeued +=
 810                                                 nb_rx;
 811
 812                                 /* Forward crypto'd packets */
 813                                 for (j = 0; j < nb_rx; j++) {
 814                                         m = ops_burst[j]->sym->m_src;
 815
 816                                         rte_crypto_op_free(ops_burst[j]);
 817                                         l2fwd_simple_forward(m, portid);
 818                                 }
 819                         } while (nb_rx == MAX_PKT_BURST);
 820                 }
 821         }
 822 }
 823
 824 static int
 825 l2fwd_launch_one_lcore(void *arg)
 826 {
 827         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 828         return 0;
 829 }
 830
 831 /* Display command line arguments usage */
 832 static void
 833 l2fwd_crypto_usage(const char *prgname)
 834 {
 835         printf("%s [EAL options] --\n"
 836                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 837                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 838                 "  -s manage all ports from single lcore\n"
 839                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 840                 " (0 to disable, 10 default, 86400 maximum)\n"
 841
 842                 "  --cdev_type HW / SW / ANY\n"
 843                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 844
 845                 "  --cipher_algo ALGO\n"
 846                 "  --cipher_op ENCRYPT / DECRYPT\n"
 847                 "  --cipher_key KEY (bytes separated with \":\")\n"
 848                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 849                 "  --iv IV (bytes separated with \":\")\n"
 850                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 851
 852                 "  --auth_algo ALGO\n"
 853                 "  --auth_op GENERATE / VERIFY\n"
 854                 "  --auth_key KEY (bytes separated with \":\")\n"
 855                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 856                 "  --aad AAD (bytes separated with \":\")\n"
 857                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 858                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 859
 860                 "  --sessionless\n",
 861                prgname);
 862 }
 863
 864 /** Parse crypto device type command line argument */
 865 static int
 866 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 867 {
 868         if (strcmp("HW", optarg) == 0) {
 869                 *type = CDEV_TYPE_HW;
 870                 return 0;
 871         } else if (strcmp("SW", optarg) == 0) {
 872                 *type = CDEV_TYPE_SW;
 873                 return 0;
 874         } else if (strcmp("ANY", optarg) == 0) {
 875                 *type = CDEV_TYPE_ANY;
 876                 return 0;
 877         }
 878
 879         return -1;
 880 }
 881
 882 /** Parse crypto chain xform command line argument */
 883 static int
 884 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 885 {
 886         if (strcmp("CIPHER_HASH", optarg) == 0) {
 887                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 888                 return 0;
 889         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 890                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 891                 return 0;
 892         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 893                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 894                 return 0;
 895         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 896                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 897                 return 0;
 898         }
 899
 900         return -1;
 901 }
 902
 903 /** Parse crypto cipher algo option command line argument */
 904 static int
 905 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 906 {
 907
 908         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 909                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 910                                 "not supported!\n");
 911                 return -1;
 912         }
 913
 914         return 0;
 915 }
 916
 917 /** Parse crypto cipher operation command line argument */
 918 static int
 919 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 920 {
 921         if (strcmp("ENCRYPT", optarg) == 0) {
 922                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 923                 return 0;
 924         } else if (strcmp("DECRYPT", optarg) == 0) {
 925                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 926                 return 0;
 927         }
 928
 929         printf("Cipher operation not supported!\n");
 930         return -1;
 931 }
 932
 933 /** Parse crypto key command line argument */
 934 static int
 935 parse_key(uint8_t *data, char *input_arg)
 936 {
 937         unsigned byte_count;
 938         char *token;
 939
 940         for (byte_count = 0, token = strtok(input_arg, ":");
 941                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 942                         token = strtok(NULL, ":")) {
 943
 944                 int number = (int)strtol(token, NULL, 16);
 945
 946                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 947                         return -1;
 948
 949                 data[byte_count++] = (uint8_t)number;
 950         }
 951
 952         return byte_count;
 953 }
 954
 955 /** Parse size param*/
 956 static int
 957 parse_size(int *size, const char *q_arg)
 958 {
 959         char *end = NULL;
 960         unsigned long n;
 961
 962         /* parse hexadecimal string */
 963         n = strtoul(q_arg, &end, 10);
 964         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 965                 n = 0;
 966
 967         if (n == 0) {
 968                 printf("invalid size\n");
 969                 return -1;
 970         }
 971
 972         *size = n;
 973         return 0;
 974 }
 975
 976 /** Parse crypto cipher operation command line argument */
 977 static int
 978 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 979 {
 980         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 981                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 982                                 "not supported!\n");
 983                 return -1;
 984         }
 985
 986         return 0;
 987 }
 988
 989 static int
 990 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 991 {
 992         if (strcmp("VERIFY", optarg) == 0) {
 993                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 994                 return 0;
 995         } else if (strcmp("GENERATE", optarg) == 0) {
 996                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 997                 return 0;
 998         }
 999
1000         printf("Authentication operation specified not supported!\n");
1001         return -1;
1002 }
1003
1004 /** Parse long options */
1005 static int
1006 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1007                 struct option *lgopts, int option_index)
1008 {
1009         int retval;
1010
1011         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1012                 retval = parse_cryptodev_type(&options->type, optarg);
1013                 if (retval == 0)
1014                         snprintf(options->string_type, MAX_STR_LEN,
1015                                 "%s", optarg);
1016                 return retval;
1017         }
1018
1019         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1020                 return parse_crypto_opt_chain(options, optarg);
1021
1022         /* Cipher options */
1023         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1024                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1025                                 optarg);
1026
1027         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1028                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1029                                 optarg);
1030
1031         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1032                 options->ckey_param = 1;
1033                 options->cipher_xform.cipher.key.length =
1034                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1035                 if (options->cipher_xform.cipher.key.length > 0)
1036                         return 0;
1037                 else
1038                         return -1;
1039         }
1040
1041         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1042                 return parse_size(&options->ckey_random_size, optarg);
1043
1044         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1045                 options->iv_param = 1;
1046                 options->iv.length =
1047                         parse_key(options->iv.data, optarg);
1048                 if (options->iv.length > 0)
1049                         return 0;
1050                 else
1051                         return -1;
1052         }
1053
1054         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1055                 return parse_size(&options->iv_random_size, optarg);
1056
1057         /* Authentication options */
1058         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1059                 return parse_auth_algo(&options->auth_xform.auth.algo,
1060                                 optarg);
1061         }
1062
1063         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1064                 return parse_auth_op(&options->auth_xform.auth.op,
1065                                 optarg);
1066
1067         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1068                 options->akey_param = 1;
1069                 options->auth_xform.auth.key.length =
1070                         parse_key(options->auth_xform.auth.key.data, optarg);
1071                 if (options->auth_xform.auth.key.length > 0)
1072                         return 0;
1073                 else
1074                         return -1;
1075         }
1076
1077         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1078                 return parse_size(&options->akey_random_size, optarg);
1079         }
1080
1081         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1082                 options->aad_param = 1;
1083                 options->aad.length =
1084                         parse_key(options->aad.data, optarg);
1085                 if (options->aad.length > 0)
1086                         return 0;
1087                 else
1088                         return -1;
1089         }
1090
1091         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1092                 return parse_size(&options->aad_random_size, optarg);
1093         }
1094
1095         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1096                 return parse_size(&options->digest_size, optarg);
1097         }
1098
1099         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1100                 options->sessionless = 1;
1101                 return 0;
1102         }
1103
1104         return -1;
1105 }
1106
1107 /** Parse port mask */
1108 static int
1109 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1110                 const char *q_arg)
1111 {
1112         char *end = NULL;
1113         unsigned long pm;
1114
1115         /* parse hexadecimal string */
1116         pm = strtoul(q_arg, &end, 16);
1117         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1118                 pm = 0;
1119
1120         options->portmask = pm;
1121         if (options->portmask == 0) {
1122                 printf("invalid portmask specified\n");
1123                 return -1;
1124         }
1125
1126         return pm;
1127 }
1128
1129 /** Parse number of queues */
1130 static int
1131 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1132                 const char *q_arg)
1133 {
1134         char *end = NULL;
1135         unsigned long n;
1136
1137         /* parse hexadecimal string */
1138         n = strtoul(q_arg, &end, 10);
1139         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1140                 n = 0;
1141         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1142                 n = 0;
1143
1144         options->nb_ports_per_lcore = n;
1145         if (options->nb_ports_per_lcore == 0) {
1146                 printf("invalid number of ports selected\n");
1147                 return -1;
1148         }
1149
1150         return 0;
1151 }
1152
1153 /** Parse timer period */
1154 static int
1155 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1156                 const char *q_arg)
1157 {
1158         char *end = NULL;
1159         unsigned long n;
1160
1161         /* parse number string */
1162         n = (unsigned)strtol(q_arg, &end, 10);
1163         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1164                 n = 0;
1165
1166         if (n >= MAX_TIMER_PERIOD) {
1167                 printf("Warning refresh period specified %lu is greater than "
1168                                 "max value %lu! using max value",
1169                                 n, MAX_TIMER_PERIOD);
1170                 n = MAX_TIMER_PERIOD;
1171         }
1172
1173         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1174
1175         return 0;
1176 }
1177
1178 /** Generate default options for application */
1179 static void
1180 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1181 {
1182         options->portmask = 0xffffffff;
1183         options->nb_ports_per_lcore = 1;
1184         options->refresh_period = 10000;
1185         options->single_lcore = 0;
1186         options->sessionless = 0;
1187
1188         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1189
1190         /* Cipher Data */
1191         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1192         options->cipher_xform.next = NULL;
1193         options->ckey_param = 0;
1194         options->ckey_random_size = -1;
1195         options->cipher_xform.cipher.key.length = 0;
1196         options->iv_param = 0;
1197         options->iv_random_size = -1;
1198         options->iv.length = 0;
1199
1200         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1201         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1202
1203         /* Authentication Data */
1204         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1205         options->auth_xform.next = NULL;
1206         options->akey_param = 0;
1207         options->akey_random_size = -1;
1208         options->auth_xform.auth.key.length = 0;
1209         options->aad_param = 0;
1210         options->aad_random_size = -1;
1211         options->aad.length = 0;
1212         options->digest_size = -1;
1213
1214         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1215         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1216
1217         options->type = CDEV_TYPE_ANY;
1218 }
1219
1220 static void
1221 display_cipher_info(struct l2fwd_crypto_options *options)
1222 {
1223         printf("\n---- Cipher information ---\n");
1224         printf("Algorithm: %s\n",
1225                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1226         rte_hexdump(stdout, "Cipher key:",
1227                         options->cipher_xform.cipher.key.data,
1228                         options->cipher_xform.cipher.key.length);
1229         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1230 }
1231
1232 static void
1233 display_auth_info(struct l2fwd_crypto_options *options)
1234 {
1235         printf("\n---- Authentication information ---\n");
1236         printf("Algorithm: %s\n",
1237                 rte_crypto_auth_algorithm_strings[options->auth_xform.cipher.algo]);
1238         rte_hexdump(stdout, "Auth key:",
1239                         options->auth_xform.auth.key.data,
1240                         options->auth_xform.auth.key.length);
1241         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1242 }
1243
1244 static void
1245 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1246 {
1247         char string_cipher_op[MAX_STR_LEN];
1248         char string_auth_op[MAX_STR_LEN];
1249
1250         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1251                 strcpy(string_cipher_op, "Encrypt");
1252         else
1253                 strcpy(string_cipher_op, "Decrypt");
1254
1255         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1256                 strcpy(string_auth_op, "Auth generate");
1257         else
1258                 strcpy(string_auth_op, "Auth verify");
1259
1260         printf("Options:-\nn");
1261         printf("portmask: %x\n", options->portmask);
1262         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1263         printf("refresh period : %u\n", options->refresh_period);
1264         printf("single lcore mode: %s\n",
1265                         options->single_lcore ? "enabled" : "disabled");
1266         printf("stats_printing: %s\n",
1267                         options->refresh_period == 0 ? "disabled" : "enabled");
1268
1269         printf("sessionless crypto: %s\n",
1270                         options->sessionless ? "enabled" : "disabled");
1271
1272         if (options->ckey_param && (options->ckey_random_size != -1))
1273                 printf("Cipher key already parsed, ignoring size of random key\n");
1274
1275         if (options->akey_param && (options->akey_random_size != -1))
1276                 printf("Auth key already parsed, ignoring size of random key\n");
1277
1278         if (options->iv_param && (options->iv_random_size != -1))
1279                 printf("IV already parsed, ignoring size of random IV\n");
1280
1281         if (options->aad_param && (options->aad_random_size != -1))
1282                 printf("AAD already parsed, ignoring size of random AAD\n");
1283
1284         printf("\nCrypto chain: ");
1285         switch (options->xform_chain) {
1286         case L2FWD_CRYPTO_CIPHER_HASH:
1287                 printf("Input --> %s --> %s --> Output\n",
1288                         string_cipher_op, string_auth_op);
1289                 display_cipher_info(options);
1290                 display_auth_info(options);
1291                 break;
1292         case L2FWD_CRYPTO_HASH_CIPHER:
1293                 printf("Input --> %s --> %s --> Output\n",
1294                         string_auth_op, string_cipher_op);
1295                 display_cipher_info(options);
1296                 display_auth_info(options);
1297                 break;
1298         case L2FWD_CRYPTO_HASH_ONLY:
1299                 printf("Input --> %s --> Output\n", string_auth_op);
1300                 display_auth_info(options);
1301                 break;
1302         case L2FWD_CRYPTO_CIPHER_ONLY:
1303                 printf("Input --> %s --> Output\n", string_cipher_op);
1304                 display_cipher_info(options);
1305                 break;
1306         }
1307 }
1308
1309 /* Parse the argument given in the command line of the application */
1310 static int
1311 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1312                 int argc, char **argv)
1313 {
1314         int opt, retval, option_index;
1315         char **argvopt = argv, *prgname = argv[0];
1316
1317         static struct option lgopts[] = {
1318                         { "sessionless", no_argument, 0, 0 },
1319
1320                         { "cdev_type", required_argument, 0, 0 },
1321                         { "chain", required_argument, 0, 0 },
1322
1323                         { "cipher_algo", required_argument, 0, 0 },
1324                         { "cipher_op", required_argument, 0, 0 },
1325                         { "cipher_key", required_argument, 0, 0 },
1326                         { "cipher_key_random_size", required_argument, 0, 0 },
1327
1328                         { "auth_algo", required_argument, 0, 0 },
1329                         { "auth_op", required_argument, 0, 0 },
1330                         { "auth_key", required_argument, 0, 0 },
1331                         { "auth_key_random_size", required_argument, 0, 0 },
1332
1333                         { "iv", required_argument, 0, 0 },
1334                         { "iv_random_size", required_argument, 0, 0 },
1335                         { "aad", required_argument, 0, 0 },
1336                         { "aad_random_size", required_argument, 0, 0 },
1337                         { "digest_size", required_argument, 0, 0 },
1338
1339                         { "sessionless", no_argument, 0, 0 },
1340
1341                         { NULL, 0, 0, 0 }
1342         };
1343
1344         l2fwd_crypto_default_options(options);
1345
1346         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1347                         &option_index)) != EOF) {
1348                 switch (opt) {
1349                 /* long options */
1350                 case 0:
1351                         retval = l2fwd_crypto_parse_args_long_options(options,
1352                                         lgopts, option_index);
1353                         if (retval < 0) {
1354                                 l2fwd_crypto_usage(prgname);
1355                                 return -1;
1356                         }
1357                         break;
1358
1359                 /* portmask */
1360                 case 'p':
1361                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1362                         if (retval < 0) {
1363                                 l2fwd_crypto_usage(prgname);
1364                                 return -1;
1365                         }
1366                         break;
1367
1368                 /* nqueue */
1369                 case 'q':
1370                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1371                         if (retval < 0) {
1372                                 l2fwd_crypto_usage(prgname);
1373                                 return -1;
1374                         }
1375                         break;
1376
1377                 /* single  */
1378                 case 's':
1379                         options->single_lcore = 1;
1380
1381                         break;
1382
1383                 /* timer period */
1384                 case 'T':
1385                         retval = l2fwd_crypto_parse_timer_period(options,
1386                                         optarg);
1387                         if (retval < 0) {
1388                                 l2fwd_crypto_usage(prgname);
1389                                 return -1;
1390                         }
1391                         break;
1392
1393                 default:
1394                         l2fwd_crypto_usage(prgname);
1395                         return -1;
1396                 }
1397         }
1398
1399
1400         if (optind >= 0)
1401                 argv[optind-1] = prgname;
1402
1403         retval = optind-1;
1404         optind = 1; /* reset getopt lib */
1405
1406         return retval;
1407 }
1408
1409 /* Check the link status of all ports in up to 9s, and print them finally */
1410 static void
1411 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1412 {
1413 #define CHECK_INTERVAL 100 /* 100ms */
1414 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1415         uint8_t portid, count, all_ports_up, print_flag = 0;
1416         struct rte_eth_link link;
1417
1418         printf("\nChecking link status");
1419         fflush(stdout);
1420         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1421                 all_ports_up = 1;
1422                 for (portid = 0; portid < port_num; portid++) {
1423                         if ((port_mask & (1 << portid)) == 0)
1424                                 continue;
1425                         memset(&link, 0, sizeof(link));
1426                         rte_eth_link_get_nowait(portid, &link);
1427                         /* print link status if flag set */
1428                         if (print_flag == 1) {
1429                                 if (link.link_status)
1430                                         printf("Port %d Link Up - speed %u "
1431                                                 "Mbps - %s\n", (uint8_t)portid,
1432                                                 (unsigned)link.link_speed,
1433                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1434                                         ("full-duplex") : ("half-duplex\n"));
1435                                 else
1436                                         printf("Port %d Link Down\n",
1437                                                 (uint8_t)portid);
1438                                 continue;
1439                         }
1440                         /* clear all_ports_up flag if any link down */
1441                         if (link.link_status == ETH_LINK_DOWN) {
1442                                 all_ports_up = 0;
1443                                 break;
1444                         }
1445                 }
1446                 /* after finally printing all link status, get out */
1447                 if (print_flag == 1)
1448                         break;
1449
1450                 if (all_ports_up == 0) {
1451                         printf(".");
1452                         fflush(stdout);
1453                         rte_delay_ms(CHECK_INTERVAL);
1454                 }
1455
1456                 /* set the print_flag if all ports up or timeout */
1457                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1458                         print_flag = 1;
1459                         printf("done\n");
1460                 }
1461         }
1462 }
1463
1464 /* Check if device has to be HW/SW or any */
1465 static int
1466 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1467 {
1468         if (options->type == CDEV_TYPE_HW &&
1469                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1470                 return 0;
1471         if (options->type == CDEV_TYPE_SW &&
1472                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1473                 return 0;
1474         if (options->type == CDEV_TYPE_ANY)
1475                 return 0;
1476
1477         return -1;
1478 }
1479
1480 static inline int
1481 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1482                 uint16_t increment)
1483 {
1484         uint16_t supp_size;
1485
1486         /* Single value */
1487         if (increment == 0) {
1488                 if (length == min)
1489                         return 0;
1490                 else
1491                         return -1;
1492         }
1493
1494         /* Range of values */
1495         for (supp_size = min; supp_size <= max; supp_size += increment) {
1496                 if (length == supp_size)
1497                         return 0;
1498         }
1499
1500         return -1;
1501 }
1502 static int
1503 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1504                 uint8_t *enabled_cdevs)
1505 {
1506         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1507         const struct rte_cryptodev_capabilities *cap;
1508         enum rte_crypto_auth_algorithm cap_auth_algo;
1509         enum rte_crypto_auth_algorithm opt_auth_algo;
1510         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1511         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1512         int retval;
1513
1514         cdev_count = rte_cryptodev_count();
1515         if (cdev_count == 0) {
1516                 printf("No crypto devices available\n");
1517                 return -1;
1518         }
1519
1520         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1521                         cdev_id++) {
1522                 struct rte_cryptodev_qp_conf qp_conf;
1523                 struct rte_cryptodev_info dev_info;
1524
1525                 struct rte_cryptodev_config conf = {
1526                         .nb_queue_pairs = 1,
1527                         .socket_id = SOCKET_ID_ANY,
1528                         .session_mp = {
1529                                 .nb_objs = 2048,
1530                                 .cache_size = 64
1531                         }
1532                 };
1533
1534                 rte_cryptodev_info_get(cdev_id, &dev_info);
1535
1536                 /* Set cipher parameters */
1537                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1538                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1539                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1540                         /* Check if device supports cipher algo */
1541                         i = 0;
1542                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1543                         cap = &dev_info.capabilities[i];
1544                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1545                                 cap_cipher_algo = cap->sym.cipher.algo;
1546                                 if (cap->sym.xform_type ==
1547                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1548                                         if (cap_cipher_algo == opt_cipher_algo) {
1549                                                 if (check_type(options, &dev_info) == 0)
1550                                                         break;
1551                                         }
1552                                 }
1553                                 cap = &dev_info.capabilities[++i];
1554                         }
1555
1556                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1557                                 printf("Algorithm %s not supported by cryptodev %u"
1558                                         " or device not of preferred type (%s)\n",
1559                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1560                                         cdev_id,
1561                                         options->string_type);
1562                                 continue;
1563                         }
1564
1565                         options->block_size = cap->sym.cipher.block_size;
1566                         /*
1567                          * Check if length of provided IV is supported
1568                          * by the algorithm chosen.
1569                          */
1570                         if (options->iv_param) {
1571                                 if (check_supported_size(options->iv.length,
1572                                                 cap->sym.cipher.iv_size.min,
1573                                                 cap->sym.cipher.iv_size.max,
1574                                                 cap->sym.cipher.iv_size.increment)
1575                                                         != 0) {
1576                                         printf("Unsupported IV length\n");
1577                                         return -1;
1578                                 }
1579                         /*
1580                          * Check if length of IV to be randomly generated
1581                          * is supported by the algorithm chosen.
1582                          */
1583                         } else if (options->iv_random_size != -1) {
1584                                 if (check_supported_size(options->iv_random_size,
1585                                                 cap->sym.cipher.iv_size.min,
1586                                                 cap->sym.cipher.iv_size.max,
1587                                                 cap->sym.cipher.iv_size.increment)
1588                                                         != 0) {
1589                                         printf("Unsupported IV length\n");
1590                                         return -1;
1591                                 }
1592                                 options->iv.length = options->iv_random_size;
1593                         /* No size provided, use minimum size. */
1594                         } else
1595                                 options->iv.length = cap->sym.cipher.iv_size.min;
1596
1597                         /*
1598                          * Check if length of provided cipher key is supported
1599                          * by the algorithm chosen.
1600                          */
1601                         if (options->ckey_param) {
1602                                 if (check_supported_size(
1603                                                 options->cipher_xform.cipher.key.length,
1604                                                 cap->sym.cipher.key_size.min,
1605                                                 cap->sym.cipher.key_size.max,
1606                                                 cap->sym.cipher.key_size.increment)
1607                                                         != 0) {
1608                                         printf("Unsupported cipher key length\n");
1609                                         return -1;
1610                                 }
1611                         /*
1612                          * Check if length of the cipher key to be randomly generated
1613                          * is supported by the algorithm chosen.
1614                          */
1615                         } else if (options->ckey_random_size != -1) {
1616                                 if (check_supported_size(options->ckey_random_size,
1617                                                 cap->sym.cipher.key_size.min,
1618                                                 cap->sym.cipher.key_size.max,
1619                                                 cap->sym.cipher.key_size.increment)
1620                                                         != 0) {
1621                                         printf("Unsupported cipher key length\n");
1622                                         return -1;
1623                                 }
1624                                 options->cipher_xform.cipher.key.length =
1625                                                         options->ckey_random_size;
1626                         /* No size provided, use minimum size. */
1627                         } else
1628                                 options->cipher_xform.cipher.key.length =
1629                                                 cap->sym.cipher.key_size.min;
1630
1631                         if (!options->ckey_param)
1632                                 generate_random_key(
1633                                         options->cipher_xform.cipher.key.data,
1634                                         options->cipher_xform.cipher.key.length);
1635
1636                 }
1637
1638                 /* Set auth parameters */
1639                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1640                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1641                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1642                         /* Check if device supports auth algo */
1643                         i = 0;
1644                         opt_auth_algo = options->auth_xform.auth.algo;
1645                         cap = &dev_info.capabilities[i];
1646                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1647                                 cap_auth_algo = cap->sym.auth.algo;
1648                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1649                                                 (cap_auth_algo == opt_auth_algo) &&
1650                                                 (check_type(options, &dev_info) == 0)) {
1651                                         break;
1652                                 }
1653                                 cap = &dev_info.capabilities[++i];
1654                         }
1655
1656                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1657                                 printf("Algorithm %s not supported by cryptodev %u"
1658                                         " or device not of preferred type (%s)\n",
1659                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1660                                         cdev_id,
1661                                         options->string_type);
1662                                 continue;
1663                         }
1664
1665                         options->block_size = cap->sym.auth.block_size;
1666                         /*
1667                          * Check if length of provided AAD is supported
1668                          * by the algorithm chosen.
1669                          */
1670                         if (options->aad_param) {
1671                                 if (check_supported_size(options->aad.length,
1672                                                 cap->sym.auth.aad_size.min,
1673                                                 cap->sym.auth.aad_size.max,
1674                                                 cap->sym.auth.aad_size.increment)
1675                                                         != 0) {
1676                                         printf("Unsupported AAD length\n");
1677                                         return -1;
1678                                 }
1679                         /*
1680                          * Check if length of AAD to be randomly generated
1681                          * is supported by the algorithm chosen.
1682                          */
1683                         } else if (options->aad_random_size != -1) {
1684                                 if (check_supported_size(options->aad_random_size,
1685                                                 cap->sym.auth.aad_size.min,
1686                                                 cap->sym.auth.aad_size.max,
1687                                                 cap->sym.auth.aad_size.increment)
1688                                                         != 0) {
1689                                         printf("Unsupported AAD length\n");
1690                                         return -1;
1691                                 }
1692                                 options->aad.length = options->aad_random_size;
1693                         /* No size provided, use minimum size. */
1694                         } else
1695                                 options->aad.length = cap->sym.auth.aad_size.min;
1696
1697                         options->auth_xform.auth.add_auth_data_length =
1698                                                 options->aad.length;
1699
1700                         /*
1701                          * Check if length of provided auth key is supported
1702                          * by the algorithm chosen.
1703                          */
1704                         if (options->akey_param) {
1705                                 if (check_supported_size(
1706                                                 options->auth_xform.auth.key.length,
1707                                                 cap->sym.auth.key_size.min,
1708                                                 cap->sym.auth.key_size.max,
1709                                                 cap->sym.auth.key_size.increment)
1710                                                         != 0) {
1711                                         printf("Unsupported auth key length\n");
1712                                         return -1;
1713                                 }
1714                         /*
1715                          * Check if length of the auth key to be randomly generated
1716                          * is supported by the algorithm chosen.
1717                          */
1718                         } else if (options->akey_random_size != -1) {
1719                                 if (check_supported_size(options->akey_random_size,
1720                                                 cap->sym.auth.key_size.min,
1721                                                 cap->sym.auth.key_size.max,
1722                                                 cap->sym.auth.key_size.increment)
1723                                                         != 0) {
1724                                         printf("Unsupported auth key length\n");
1725                                         return -1;
1726                                 }
1727                                 options->auth_xform.auth.key.length =
1728                                                         options->akey_random_size;
1729                         /* No size provided, use minimum size. */
1730                         } else
1731                                 options->auth_xform.auth.key.length =
1732                                                 cap->sym.auth.key_size.min;
1733
1734                         if (!options->akey_param)
1735                                 generate_random_key(
1736                                         options->auth_xform.auth.key.data,
1737                                         options->auth_xform.auth.key.length);
1738
1739                         /* Check if digest size is supported by the algorithm. */
1740                         if (options->digest_size != -1) {
1741                                 if (check_supported_size(options->digest_size,
1742                                                 cap->sym.auth.digest_size.min,
1743                                                 cap->sym.auth.digest_size.max,
1744                                                 cap->sym.auth.digest_size.increment)
1745                                                         != 0) {
1746                                         printf("Unsupported digest length\n");
1747                                         return -1;
1748                                 }
1749                                 options->auth_xform.auth.digest_length =
1750                                                         options->digest_size;
1751                         /* No size provided, use minimum size. */
1752                         } else
1753                                 options->auth_xform.auth.digest_length =
1754                                                 cap->sym.auth.digest_size.min;
1755                 }
1756
1757                 retval = rte_cryptodev_configure(cdev_id, &conf);
1758                 if (retval < 0) {
1759                         printf("Failed to configure cryptodev %u", cdev_id);
1760                         return -1;
1761                 }
1762
1763                 qp_conf.nb_descriptors = 2048;
1764
1765                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1766                                 SOCKET_ID_ANY);
1767                 if (retval < 0) {
1768                         printf("Failed to setup queue pair %u on cryptodev %u",
1769                                         0, cdev_id);
1770                         return -1;
1771                 }
1772
1773                 retval = rte_cryptodev_start(cdev_id);
1774                 if (retval < 0) {
1775                         printf("Failed to start device %u: error %d\n",
1776                                         cdev_id, retval);
1777                         return -1;
1778                 }
1779
1780                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1781
1782                 enabled_cdevs[cdev_id] = 1;
1783                 enabled_cdev_count++;
1784         }
1785
1786         return enabled_cdev_count;
1787 }
1788
1789 static int
1790 initialize_ports(struct l2fwd_crypto_options *options)
1791 {
1792         uint8_t last_portid, portid;
1793         unsigned enabled_portcount = 0;
1794         unsigned nb_ports = rte_eth_dev_count();
1795
1796         if (nb_ports == 0) {
1797                 printf("No Ethernet ports - bye\n");
1798                 return -1;
1799         }
1800
1801         /* Reset l2fwd_dst_ports */
1802         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1803                 l2fwd_dst_ports[portid] = 0;
1804
1805         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1806                 int retval;
1807
1808                 /* Skip ports that are not enabled */
1809                 if ((options->portmask & (1 << portid)) == 0)
1810                         continue;
1811
1812                 /* init port */
1813                 printf("Initializing port %u... ", (unsigned) portid);
1814                 fflush(stdout);
1815                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1816                 if (retval < 0) {
1817                         printf("Cannot configure device: err=%d, port=%u\n",
1818                                   retval, (unsigned) portid);
1819                         return -1;
1820                 }
1821
1822                 /* init one RX queue */
1823                 fflush(stdout);
1824                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1825                                              rte_eth_dev_socket_id(portid),
1826                                              NULL, l2fwd_pktmbuf_pool);
1827                 if (retval < 0) {
1828                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1829                                         retval, (unsigned) portid);
1830                         return -1;
1831                 }
1832
1833                 /* init one TX queue on each port */
1834                 fflush(stdout);
1835                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1836                                 rte_eth_dev_socket_id(portid),
1837                                 NULL);
1838                 if (retval < 0) {
1839                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1840                                 retval, (unsigned) portid);
1841
1842                         return -1;
1843                 }
1844
1845                 /* Start device */
1846                 retval = rte_eth_dev_start(portid);
1847                 if (retval < 0) {
1848                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1849                                         retval, (unsigned) portid);
1850                         return -1;
1851                 }
1852
1853                 rte_eth_promiscuous_enable(portid);
1854
1855                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1856
1857                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1858                                 (unsigned) portid,
1859                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1860                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1861                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1862                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1863                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1864                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1865
1866                 /* initialize port stats */
1867                 memset(&port_statistics, 0, sizeof(port_statistics));
1868
1869                 /* Setup port forwarding table */
1870                 if (enabled_portcount % 2) {
1871                         l2fwd_dst_ports[portid] = last_portid;
1872                         l2fwd_dst_ports[last_portid] = portid;
1873                 } else {
1874                         last_portid = portid;
1875                 }
1876
1877                 l2fwd_enabled_port_mask |= (1 << portid);
1878                 enabled_portcount++;
1879         }
1880
1881         if (enabled_portcount == 1) {
1882                 l2fwd_dst_ports[last_portid] = last_portid;
1883         } else if (enabled_portcount % 2) {
1884                 printf("odd number of ports in portmask- bye\n");
1885                 return -1;
1886         }
1887
1888         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1889
1890         return enabled_portcount;
1891 }
1892
1893 static void
1894 reserve_key_memory(struct l2fwd_crypto_options *options)
1895 {
1896         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1897                                                 MAX_KEY_SIZE, 0);
1898         if (options->cipher_xform.cipher.key.data == NULL)
1899                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1900
1901
1902         options->auth_xform.auth.key.data = rte_malloc("auth key",
1903                                                 MAX_KEY_SIZE, 0);
1904         if (options->auth_xform.auth.key.data == NULL)
1905                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1906
1907         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1908         if (options->iv.data == NULL)
1909                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1910         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1911
1912         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1913         if (options->aad.data == NULL)
1914                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1915         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1916 }
1917
1918 int
1919 main(int argc, char **argv)
1920 {
1921         struct lcore_queue_conf *qconf;
1922         struct l2fwd_crypto_options options;
1923
1924         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1925         unsigned lcore_id, rx_lcore_id;
1926         int ret, enabled_cdevcount, enabled_portcount;
1927         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1928
1929         /* init EAL */
1930         ret = rte_eal_init(argc, argv);
1931         if (ret < 0)
1932                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1933         argc -= ret;
1934         argv += ret;
1935
1936         /* reserve memory for Cipher/Auth key and IV */
1937         reserve_key_memory(&options);
1938
1939         /* parse application arguments (after the EAL ones) */
1940         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1941         if (ret < 0)
1942                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1943
1944         /* create the mbuf pool */
1945         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1946                         sizeof(struct rte_crypto_op),
1947                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1948         if (l2fwd_pktmbuf_pool == NULL)
1949                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1950
1951         /* create crypto op pool */
1952         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1953                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1954                         rte_socket_id());
1955         if (l2fwd_crypto_op_pool == NULL)
1956                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1957
1958         /* Enable Ethernet ports */
1959         enabled_portcount = initialize_ports(&options);
1960         if (enabled_portcount < 1)
1961                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1962
1963         nb_ports = rte_eth_dev_count();
1964         /* Initialize the port/queue configuration of each logical core */
1965         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1966                         portid < nb_ports; portid++) {
1967
1968                 /* skip ports that are not enabled */
1969                 if ((options.portmask & (1 << portid)) == 0)
1970                         continue;
1971
1972                 if (options.single_lcore && qconf == NULL) {
1973                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1974                                 rx_lcore_id++;
1975                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1976                                         rte_exit(EXIT_FAILURE,
1977                                                         "Not enough cores\n");
1978                         }
1979                 } else if (!options.single_lcore) {
1980                         /* get the lcore_id for this port */
1981                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1982                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1983                                options.nb_ports_per_lcore) {
1984                                 rx_lcore_id++;
1985                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1986                                         rte_exit(EXIT_FAILURE,
1987                                                         "Not enough cores\n");
1988                         }
1989                 }
1990
1991                 /* Assigned a new logical core in the loop above. */
1992                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1993                         qconf = &lcore_queue_conf[rx_lcore_id];
1994
1995                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1996                 qconf->nb_rx_ports++;
1997
1998                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1999         }
2000
2001         /* Enable Crypto devices */
2002         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2003                         enabled_cdevs);
2004         if (enabled_cdevcount < 0)
2005                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2006
2007         if (enabled_cdevcount < enabled_portcount)
2008                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2009                                 "has to be more or equal to number of ports (%d)\n",
2010                                 enabled_cdevcount, enabled_portcount);
2011
2012         nb_cryptodevs = rte_cryptodev_count();
2013
2014         /* Initialize the port/cryptodev configuration of each logical core */
2015         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2016                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2017                         cdev_id++) {
2018                 /* Crypto op not supported by crypto device */
2019                 if (!enabled_cdevs[cdev_id])
2020                         continue;
2021
2022                 if (options.single_lcore && qconf == NULL) {
2023                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2024                                 rx_lcore_id++;
2025                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2026                                         rte_exit(EXIT_FAILURE,
2027                                                         "Not enough cores\n");
2028                         }
2029                 } else if (!options.single_lcore) {
2030                         /* get the lcore_id for this port */
2031                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2032                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2033                                options.nb_ports_per_lcore) {
2034                                 rx_lcore_id++;
2035                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2036                                         rte_exit(EXIT_FAILURE,
2037                                                         "Not enough cores\n");
2038                         }
2039                 }
2040
2041                 /* Assigned a new logical core in the loop above. */
2042                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2043                         qconf = &lcore_queue_conf[rx_lcore_id];
2044
2045                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2046                 qconf->nb_crypto_devs++;
2047
2048                 enabled_cdevcount--;
2049
2050                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2051                                 (unsigned)cdev_id);
2052         }
2053
2054         /* launch per-lcore init on every lcore */
2055         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2056                         CALL_MASTER);
2057         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2058                 if (rte_eal_wait_lcore(lcore_id) < 0)
2059                         return -1;
2060         }
2061
2062         return 0;
2063 }