examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2017 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91
  92 #define MAXIMUM_IV_LENGTH       16
  93 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  94                                 sizeof(struct rte_crypto_sym_op))
  95
  96 /*
  97  * Configurable number of RX/TX ring descriptors
  98  */
  99 #define RTE_TEST_RX_DESC_DEFAULT 128
 100 #define RTE_TEST_TX_DESC_DEFAULT 512
 101
 102 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 103 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 104
 105 /* ethernet addresses of ports */
 106 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 107
 108 /* mask of enabled ports */
 109 static uint64_t l2fwd_enabled_port_mask;
 110 static uint64_t l2fwd_enabled_crypto_mask;
 111
 112 /* list of enabled ports */
 113 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 114
 115
 116 struct pkt_buffer {
 117         unsigned len;
 118         struct rte_mbuf *buffer[MAX_PKT_BURST];
 119 };
 120
 121 struct op_buffer {
 122         unsigned len;
 123         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 124 };
 125
 126 #define MAX_RX_QUEUE_PER_LCORE 16
 127 #define MAX_TX_QUEUE_PER_PORT 16
 128
 129 enum l2fwd_crypto_xform_chain {
 130         L2FWD_CRYPTO_CIPHER_HASH,
 131         L2FWD_CRYPTO_HASH_CIPHER,
 132         L2FWD_CRYPTO_CIPHER_ONLY,
 133         L2FWD_CRYPTO_HASH_ONLY
 134 };
 135
 136 struct l2fwd_key {
 137         uint8_t *data;
 138         uint32_t length;
 139         phys_addr_t phys_addr;
 140 };
 141
 142 /** l2fwd crypto application command line options */
 143 struct l2fwd_crypto_options {
 144         unsigned portmask;
 145         unsigned nb_ports_per_lcore;
 146         unsigned refresh_period;
 147         unsigned single_lcore:1;
 148
 149         enum cdev_type type;
 150         unsigned sessionless:1;
 151
 152         enum l2fwd_crypto_xform_chain xform_chain;
 153
 154         struct rte_crypto_sym_xform cipher_xform;
 155         unsigned ckey_param;
 156         int ckey_random_size;
 157
 158         struct l2fwd_key iv;
 159         unsigned iv_param;
 160         int iv_random_size;
 161
 162         struct rte_crypto_sym_xform auth_xform;
 163         uint8_t akey_param;
 164         int akey_random_size;
 165
 166         struct l2fwd_key aad;
 167         unsigned aad_param;
 168         int aad_random_size;
 169
 170         int digest_size;
 171
 172         uint16_t block_size;
 173         char string_type[MAX_STR_LEN];
 174
 175         uint64_t cryptodev_mask;
 176 };
 177
 178 /** l2fwd crypto lcore params */
 179 struct l2fwd_crypto_params {
 180         uint8_t dev_id;
 181         uint8_t qp_id;
 182
 183         unsigned digest_length;
 184         unsigned block_size;
 185
 186         struct l2fwd_key iv;
 187         struct l2fwd_key aad;
 188         struct rte_cryptodev_sym_session *session;
 189
 190         uint8_t do_cipher;
 191         uint8_t do_hash;
 192         uint8_t hash_verify;
 193
 194         enum rte_crypto_cipher_algorithm cipher_algo;
 195         enum rte_crypto_auth_algorithm auth_algo;
 196 };
 197
 198 /** lcore configuration */
 199 struct lcore_queue_conf {
 200         unsigned nb_rx_ports;
 201         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 202
 203         unsigned nb_crypto_devs;
 204         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 205
 206         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 207         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 208 } __rte_cache_aligned;
 209
 210 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 211
 212 static const struct rte_eth_conf port_conf = {
 213         .rxmode = {
 214                 .mq_mode = ETH_MQ_RX_NONE,
 215                 .max_rx_pkt_len = ETHER_MAX_LEN,
 216                 .split_hdr_size = 0,
 217                 .header_split   = 0, /**< Header Split disabled */
 218                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 219                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 220                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 221                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 222         },
 223         .txmode = {
 224                 .mq_mode = ETH_MQ_TX_NONE,
 225         },
 226 };
 227
 228 struct rte_mempool *l2fwd_pktmbuf_pool;
 229 struct rte_mempool *l2fwd_crypto_op_pool;
 230
 231 /* Per-port statistics struct */
 232 struct l2fwd_port_statistics {
 233         uint64_t tx;
 234         uint64_t rx;
 235
 236         uint64_t crypto_enqueued;
 237         uint64_t crypto_dequeued;
 238
 239         uint64_t dropped;
 240 } __rte_cache_aligned;
 241
 242 struct l2fwd_crypto_statistics {
 243         uint64_t enqueued;
 244         uint64_t dequeued;
 245
 246         uint64_t errors;
 247 } __rte_cache_aligned;
 248
 249 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 250 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 251
 252 /* A tsc-based timer responsible for triggering statistics printout */
 253 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 254 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 255
 256 /* default period is 10 seconds */
 257 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 258
 259 /* Print out statistics on packets dropped */
 260 static void
 261 print_stats(void)
 262 {
 263         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 264         uint64_t total_packets_enqueued, total_packets_dequeued,
 265                 total_packets_errors;
 266         unsigned portid;
 267         uint64_t cdevid;
 268
 269         total_packets_dropped = 0;
 270         total_packets_tx = 0;
 271         total_packets_rx = 0;
 272         total_packets_enqueued = 0;
 273         total_packets_dequeued = 0;
 274         total_packets_errors = 0;
 275
 276         const char clr[] = { 27, '[', '2', 'J', '\0' };
 277         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 278
 279                 /* Clear screen and move to top left */
 280         printf("%s%s", clr, topLeft);
 281
 282         printf("\nPort statistics ====================================");
 283
 284         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 285                 /* skip disabled ports */
 286                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 287                         continue;
 288                 printf("\nStatistics for port %u ------------------------------"
 289                            "\nPackets sent: %32"PRIu64
 290                            "\nPackets received: %28"PRIu64
 291                            "\nPackets dropped: %29"PRIu64,
 292                            portid,
 293                            port_statistics[portid].tx,
 294                            port_statistics[portid].rx,
 295                            port_statistics[portid].dropped);
 296
 297                 total_packets_dropped += port_statistics[portid].dropped;
 298                 total_packets_tx += port_statistics[portid].tx;
 299                 total_packets_rx += port_statistics[portid].rx;
 300         }
 301         printf("\nCrypto statistics ==================================");
 302
 303         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 304                 /* skip disabled ports */
 305                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 306                         continue;
 307                 printf("\nStatistics for cryptodev %"PRIu64
 308                                 " -------------------------"
 309                            "\nPackets enqueued: %28"PRIu64
 310                            "\nPackets dequeued: %28"PRIu64
 311                            "\nPackets errors: %30"PRIu64,
 312                            cdevid,
 313                            crypto_statistics[cdevid].enqueued,
 314                            crypto_statistics[cdevid].dequeued,
 315                            crypto_statistics[cdevid].errors);
 316
 317                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 318                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 319                 total_packets_errors += crypto_statistics[cdevid].errors;
 320         }
 321         printf("\nAggregate statistics ==============================="
 322                    "\nTotal packets received: %22"PRIu64
 323                    "\nTotal packets enqueued: %22"PRIu64
 324                    "\nTotal packets dequeued: %22"PRIu64
 325                    "\nTotal packets sent: %26"PRIu64
 326                    "\nTotal packets dropped: %23"PRIu64
 327                    "\nTotal packets crypto errors: %17"PRIu64,
 328                    total_packets_rx,
 329                    total_packets_enqueued,
 330                    total_packets_dequeued,
 331                    total_packets_tx,
 332                    total_packets_dropped,
 333                    total_packets_errors);
 334         printf("\n====================================================\n");
 335 }
 336
 337 static int
 338 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 339                 struct l2fwd_crypto_params *cparams)
 340 {
 341         struct rte_crypto_op **op_buffer;
 342         unsigned ret;
 343
 344         op_buffer = (struct rte_crypto_op **)
 345                         qconf->op_buf[cparams->dev_id].buffer;
 346
 347         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 348                         cparams->qp_id, op_buffer, (uint16_t) n);
 349
 350         crypto_statistics[cparams->dev_id].enqueued += ret;
 351         if (unlikely(ret < n)) {
 352                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 353                 do {
 354                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 355                         rte_crypto_op_free(op_buffer[ret]);
 356                 } while (++ret < n);
 357         }
 358
 359         return 0;
 360 }
 361
 362 static int
 363 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 364                 struct l2fwd_crypto_params *cparams)
 365 {
 366         unsigned lcore_id, len;
 367         struct lcore_queue_conf *qconf;
 368
 369         lcore_id = rte_lcore_id();
 370
 371         qconf = &lcore_queue_conf[lcore_id];
 372         len = qconf->op_buf[cparams->dev_id].len;
 373         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 374         len++;
 375
 376         /* enough ops to be sent */
 377         if (len == MAX_PKT_BURST) {
 378                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 379                 len = 0;
 380         }
 381
 382         qconf->op_buf[cparams->dev_id].len = len;
 383         return 0;
 384 }
 385
 386 static int
 387 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 388                 struct rte_crypto_op *op,
 389                 struct l2fwd_crypto_params *cparams)
 390 {
 391         struct ether_hdr *eth_hdr;
 392         struct ipv4_hdr *ip_hdr;
 393
 394         uint32_t ipdata_offset, data_len;
 395         uint32_t pad_len = 0;
 396         char *padding;
 397
 398         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 399
 400         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 401                 return -1;
 402
 403         ipdata_offset = sizeof(struct ether_hdr);
 404
 405         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 406                         ipdata_offset);
 407
 408         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 409                         * IPV4_IHL_MULTIPLIER;
 410
 411
 412         /* Zero pad data to be crypto'd so it is block aligned */
 413         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 414
 415         if (cparams->do_hash && cparams->hash_verify)
 416                 data_len -= cparams->digest_length;
 417
 418         if (cparams->do_cipher) {
 419                 /*
 420                  * Following algorithms are block cipher algorithms,
 421                  * and might need padding
 422                  */
 423                 switch (cparams->cipher_algo) {
 424                 case RTE_CRYPTO_CIPHER_AES_CBC:
 425                 case RTE_CRYPTO_CIPHER_AES_ECB:
 426                 case RTE_CRYPTO_CIPHER_DES_CBC:
 427                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 428                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 429                         if (data_len % cparams->block_size)
 430                                 pad_len = cparams->block_size -
 431                                         (data_len % cparams->block_size);
 432                         break;
 433                 default:
 434                         pad_len = 0;
 435                 }
 436
 437                 if (pad_len) {
 438                         padding = rte_pktmbuf_append(m, pad_len);
 439                         if (unlikely(!padding))
 440                                 return -1;
 441
 442                         data_len += pad_len;
 443                         memset(padding, 0, pad_len);
 444                 }
 445         }
 446
 447         /* Set crypto operation data parameters */
 448         rte_crypto_op_attach_sym_session(op, cparams->session);
 449
 450         if (cparams->do_hash) {
 451                 if (!cparams->hash_verify) {
 452                         /* Append space for digest to end of packet */
 453                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 454                                 cparams->digest_length);
 455                 } else {
 456                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 457                                 uint8_t *) + ipdata_offset + data_len;
 458                 }
 459
 460                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 461                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 462                 op->sym->auth.digest.length = cparams->digest_length;
 463
 464                 /* For wireless algorithms, offset/length must be in bits */
 465                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 466                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 467                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 468                         op->sym->auth.data.offset = ipdata_offset << 3;
 469                         op->sym->auth.data.length = data_len << 3;
 470                 } else {
 471                         op->sym->auth.data.offset = ipdata_offset;
 472                         op->sym->auth.data.length = data_len;
 473                 }
 474
 475                 if (cparams->aad.length) {
 476                         op->sym->auth.aad.data = cparams->aad.data;
 477                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 478                         op->sym->auth.aad.length = cparams->aad.length;
 479                 } else {
 480                         op->sym->auth.aad.data = NULL;
 481                         op->sym->auth.aad.phys_addr = 0;
 482                         op->sym->auth.aad.length = 0;
 483                 }
 484         }
 485
 486         if (cparams->do_cipher) {
 487                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 488                                                         IV_OFFSET);
 489                 /* Copy IV at the end of the crypto operation */
 490                 rte_memcpy(iv_ptr, cparams->iv.data, cparams->iv.length);
 491
 492                 op->sym->cipher.iv.data = iv_ptr;
 493                 op->sym->cipher.iv.phys_addr =
 494                                 rte_crypto_op_ctophys_offset(op, IV_OFFSET);
 495                 op->sym->cipher.iv.length = cparams->iv.length;
 496
 497                 /* For wireless algorithms, offset/length must be in bits */
 498                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 499                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 500                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 501                         op->sym->cipher.data.offset = ipdata_offset << 3;
 502                         op->sym->cipher.data.length = data_len << 3;
 503                 } else {
 504                         op->sym->cipher.data.offset = ipdata_offset;
 505                         op->sym->cipher.data.length = data_len;
 506                 }
 507         }
 508
 509         op->sym->m_src = m;
 510
 511         return l2fwd_crypto_enqueue(op, cparams);
 512 }
 513
 514
 515 /* Send the burst of packets on an output interface */
 516 static int
 517 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 518                 uint8_t port)
 519 {
 520         struct rte_mbuf **pkt_buffer;
 521         unsigned ret;
 522
 523         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 524
 525         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 526         port_statistics[port].tx += ret;
 527         if (unlikely(ret < n)) {
 528                 port_statistics[port].dropped += (n - ret);
 529                 do {
 530                         rte_pktmbuf_free(pkt_buffer[ret]);
 531                 } while (++ret < n);
 532         }
 533
 534         return 0;
 535 }
 536
 537 /* Enqueue packets for TX and prepare them to be sent */
 538 static int
 539 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 540 {
 541         unsigned lcore_id, len;
 542         struct lcore_queue_conf *qconf;
 543
 544         lcore_id = rte_lcore_id();
 545
 546         qconf = &lcore_queue_conf[lcore_id];
 547         len = qconf->pkt_buf[port].len;
 548         qconf->pkt_buf[port].buffer[len] = m;
 549         len++;
 550
 551         /* enough pkts to be sent */
 552         if (unlikely(len == MAX_PKT_BURST)) {
 553                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 554                 len = 0;
 555         }
 556
 557         qconf->pkt_buf[port].len = len;
 558         return 0;
 559 }
 560
 561 static void
 562 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 563 {
 564         struct ether_hdr *eth;
 565         void *tmp;
 566         unsigned dst_port;
 567
 568         dst_port = l2fwd_dst_ports[portid];
 569         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 570
 571         /* 02:00:00:00:00:xx */
 572         tmp = &eth->d_addr.addr_bytes[0];
 573         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 574
 575         /* src addr */
 576         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 577
 578         l2fwd_send_packet(m, (uint8_t) dst_port);
 579 }
 580
 581 /** Generate random key */
 582 static void
 583 generate_random_key(uint8_t *key, unsigned length)
 584 {
 585         int fd;
 586         int ret;
 587
 588         fd = open("/dev/urandom", O_RDONLY);
 589         if (fd < 0)
 590                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 591
 592         ret = read(fd, key, length);
 593         close(fd);
 594
 595         if (ret != (signed)length)
 596                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 597 }
 598
 599 static struct rte_cryptodev_sym_session *
 600 initialize_crypto_session(struct l2fwd_crypto_options *options,
 601                 uint8_t cdev_id)
 602 {
 603         struct rte_crypto_sym_xform *first_xform;
 604
 605         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 606                 first_xform = &options->cipher_xform;
 607                 first_xform->next = &options->auth_xform;
 608         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 609                 first_xform = &options->auth_xform;
 610                 first_xform->next = &options->cipher_xform;
 611         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 612                 first_xform = &options->cipher_xform;
 613         } else {
 614                 first_xform = &options->auth_xform;
 615         }
 616
 617         /* Setup Cipher Parameters */
 618         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 619 }
 620
 621 static void
 622 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 623
 624 /* main processing loop */
 625 static void
 626 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 627 {
 628         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 629         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 630
 631         unsigned lcore_id = rte_lcore_id();
 632         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 633         unsigned i, j, portid, nb_rx, len;
 634         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 635         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 636                         US_PER_S * BURST_TX_DRAIN_US;
 637         struct l2fwd_crypto_params *cparams;
 638         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 639
 640         if (qconf->nb_rx_ports == 0) {
 641                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 642                 return;
 643         }
 644
 645         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 646
 647         for (i = 0; i < qconf->nb_rx_ports; i++) {
 648
 649                 portid = qconf->rx_port_list[i];
 650                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 651                         portid);
 652         }
 653
 654         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 655                 port_cparams[i].do_cipher = 0;
 656                 port_cparams[i].do_hash = 0;
 657
 658                 switch (options->xform_chain) {
 659                 case L2FWD_CRYPTO_CIPHER_HASH:
 660                 case L2FWD_CRYPTO_HASH_CIPHER:
 661                         port_cparams[i].do_cipher = 1;
 662                         port_cparams[i].do_hash = 1;
 663                         break;
 664                 case L2FWD_CRYPTO_HASH_ONLY:
 665                         port_cparams[i].do_hash = 1;
 666                         break;
 667                 case L2FWD_CRYPTO_CIPHER_ONLY:
 668                         port_cparams[i].do_cipher = 1;
 669                         break;
 670                 }
 671
 672                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 673                 port_cparams[i].qp_id = 0;
 674
 675                 port_cparams[i].block_size = options->block_size;
 676
 677                 if (port_cparams[i].do_hash) {
 678                         port_cparams[i].digest_length =
 679                                         options->auth_xform.auth.digest_length;
 680                         if (options->auth_xform.auth.add_auth_data_length) {
 681                                 port_cparams[i].aad.data = options->aad.data;
 682                                 port_cparams[i].aad.length =
 683                                         options->auth_xform.auth.add_auth_data_length;
 684                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 685                                 if (!options->aad_param)
 686                                         generate_random_key(port_cparams[i].aad.data,
 687                                                 port_cparams[i].aad.length);
 688
 689                         } else
 690                                 port_cparams[i].aad.length = 0;
 691
 692                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 693                                 port_cparams[i].hash_verify = 1;
 694                         else
 695                                 port_cparams[i].hash_verify = 0;
 696
 697                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 698                 }
 699
 700                 if (port_cparams[i].do_cipher) {
 701                         port_cparams[i].iv.data = options->iv.data;
 702                         port_cparams[i].iv.length = options->iv.length;
 703                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 704                         if (!options->iv_param)
 705                                 generate_random_key(port_cparams[i].iv.data,
 706                                                 port_cparams[i].iv.length);
 707
 708                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 709                 }
 710
 711                 port_cparams[i].session = initialize_crypto_session(options,
 712                                 port_cparams[i].dev_id);
 713
 714                 if (port_cparams[i].session == NULL)
 715                         return;
 716                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 717                                 port_cparams[i].dev_id);
 718         }
 719
 720         l2fwd_crypto_options_print(options);
 721
 722         /*
 723          * Initialize previous tsc timestamp before the loop,
 724          * to avoid showing the port statistics immediately,
 725          * so user can see the crypto information.
 726          */
 727         prev_tsc = rte_rdtsc();
 728         while (1) {
 729
 730                 cur_tsc = rte_rdtsc();
 731
 732                 /*
 733                  * Crypto device/TX burst queue drain
 734                  */
 735                 diff_tsc = cur_tsc - prev_tsc;
 736                 if (unlikely(diff_tsc > drain_tsc)) {
 737                         /* Enqueue all crypto ops remaining in buffers */
 738                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 739                                 cparams = &port_cparams[i];
 740                                 len = qconf->op_buf[cparams->dev_id].len;
 741                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 742                                 qconf->op_buf[cparams->dev_id].len = 0;
 743                         }
 744                         /* Transmit all packets remaining in buffers */
 745                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 746                                 if (qconf->pkt_buf[portid].len == 0)
 747                                         continue;
 748                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 749                                                  qconf->pkt_buf[portid].len,
 750                                                  (uint8_t) portid);
 751                                 qconf->pkt_buf[portid].len = 0;
 752                         }
 753
 754                         /* if timer is enabled */
 755                         if (timer_period > 0) {
 756
 757                                 /* advance the timer */
 758                                 timer_tsc += diff_tsc;
 759
 760                                 /* if timer has reached its timeout */
 761                                 if (unlikely(timer_tsc >=
 762                                                 (uint64_t)timer_period)) {
 763
 764                                         /* do this only on master core */
 765                                         if (lcore_id == rte_get_master_lcore()
 766                                                 && options->refresh_period) {
 767                                                 print_stats();
 768                                                 timer_tsc = 0;
 769                                         }
 770                                 }
 771                         }
 772
 773                         prev_tsc = cur_tsc;
 774                 }
 775
 776                 /*
 777                  * Read packet from RX queues
 778                  */
 779                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 780                         portid = qconf->rx_port_list[i];
 781
 782                         cparams = &port_cparams[i];
 783
 784                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 785                                                  pkts_burst, MAX_PKT_BURST);
 786
 787                         port_statistics[portid].rx += nb_rx;
 788
 789                         if (nb_rx) {
 790                                 /*
 791                                  * If we can't allocate a crypto_ops, then drop
 792                                  * the rest of the burst and dequeue and
 793                                  * process the packets to free offload structs
 794                                  */
 795                                 if (rte_crypto_op_bulk_alloc(
 796                                                 l2fwd_crypto_op_pool,
 797                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 798                                                 ops_burst, nb_rx) !=
 799                                                                 nb_rx) {
 800                                         for (j = 0; j < nb_rx; j++)
 801                                                 rte_pktmbuf_free(pkts_burst[j]);
 802
 803                                         nb_rx = 0;
 804                                 }
 805
 806                                 /* Enqueue packets from Crypto device*/
 807                                 for (j = 0; j < nb_rx; j++) {
 808                                         m = pkts_burst[j];
 809
 810                                         l2fwd_simple_crypto_enqueue(m,
 811                                                         ops_burst[j], cparams);
 812                                 }
 813                         }
 814
 815                         /* Dequeue packets from Crypto device */
 816                         do {
 817                                 nb_rx = rte_cryptodev_dequeue_burst(
 818                                                 cparams->dev_id, cparams->qp_id,
 819                                                 ops_burst, MAX_PKT_BURST);
 820
 821                                 crypto_statistics[cparams->dev_id].dequeued +=
 822                                                 nb_rx;
 823
 824                                 /* Forward crypto'd packets */
 825                                 for (j = 0; j < nb_rx; j++) {
 826                                         m = ops_burst[j]->sym->m_src;
 827
 828                                         rte_crypto_op_free(ops_burst[j]);
 829                                         l2fwd_simple_forward(m, portid);
 830                                 }
 831                         } while (nb_rx == MAX_PKT_BURST);
 832                 }
 833         }
 834 }
 835
 836 static int
 837 l2fwd_launch_one_lcore(void *arg)
 838 {
 839         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 840         return 0;
 841 }
 842
 843 /* Display command line arguments usage */
 844 static void
 845 l2fwd_crypto_usage(const char *prgname)
 846 {
 847         printf("%s [EAL options] --\n"
 848                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 849                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 850                 "  -s manage all ports from single lcore\n"
 851                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 852                 " (0 to disable, 10 default, 86400 maximum)\n"
 853
 854                 "  --cdev_type HW / SW / ANY\n"
 855                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 856                 " HASH_ONLY\n"
 857
 858                 "  --cipher_algo ALGO\n"
 859                 "  --cipher_op ENCRYPT / DECRYPT\n"
 860                 "  --cipher_key KEY (bytes separated with \":\")\n"
 861                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 862                 "  --iv IV (bytes separated with \":\")\n"
 863                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 864
 865                 "  --auth_algo ALGO\n"
 866                 "  --auth_op GENERATE / VERIFY\n"
 867                 "  --auth_key KEY (bytes separated with \":\")\n"
 868                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 869                 "  --aad AAD (bytes separated with \":\")\n"
 870                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 871                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 872
 873                 "  --sessionless\n"
 874                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 875                prgname);
 876 }
 877
 878 /** Parse crypto device type command line argument */
 879 static int
 880 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 881 {
 882         if (strcmp("HW", optarg) == 0) {
 883                 *type = CDEV_TYPE_HW;
 884                 return 0;
 885         } else if (strcmp("SW", optarg) == 0) {
 886                 *type = CDEV_TYPE_SW;
 887                 return 0;
 888         } else if (strcmp("ANY", optarg) == 0) {
 889                 *type = CDEV_TYPE_ANY;
 890                 return 0;
 891         }
 892
 893         return -1;
 894 }
 895
 896 /** Parse crypto chain xform command line argument */
 897 static int
 898 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 899 {
 900         if (strcmp("CIPHER_HASH", optarg) == 0) {
 901                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 902                 return 0;
 903         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 904                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 905                 return 0;
 906         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 907                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 908                 return 0;
 909         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 910                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 911                 return 0;
 912         }
 913
 914         return -1;
 915 }
 916
 917 /** Parse crypto cipher algo option command line argument */
 918 static int
 919 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 920 {
 921
 922         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 923                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 924                                 "not supported!\n");
 925                 return -1;
 926         }
 927
 928         return 0;
 929 }
 930
 931 /** Parse crypto cipher operation command line argument */
 932 static int
 933 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 934 {
 935         if (strcmp("ENCRYPT", optarg) == 0) {
 936                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 937                 return 0;
 938         } else if (strcmp("DECRYPT", optarg) == 0) {
 939                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 940                 return 0;
 941         }
 942
 943         printf("Cipher operation not supported!\n");
 944         return -1;
 945 }
 946
 947 /** Parse crypto key command line argument */
 948 static int
 949 parse_key(uint8_t *data, char *input_arg)
 950 {
 951         unsigned byte_count;
 952         char *token;
 953
 954         for (byte_count = 0, token = strtok(input_arg, ":");
 955                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 956                         token = strtok(NULL, ":")) {
 957
 958                 int number = (int)strtol(token, NULL, 16);
 959
 960                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 961                         return -1;
 962
 963                 data[byte_count++] = (uint8_t)number;
 964         }
 965
 966         return byte_count;
 967 }
 968
 969 /** Parse size param*/
 970 static int
 971 parse_size(int *size, const char *q_arg)
 972 {
 973         char *end = NULL;
 974         unsigned long n;
 975
 976         /* parse hexadecimal string */
 977         n = strtoul(q_arg, &end, 10);
 978         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 979                 n = 0;
 980
 981         if (n == 0) {
 982                 printf("invalid size\n");
 983                 return -1;
 984         }
 985
 986         *size = n;
 987         return 0;
 988 }
 989
 990 /** Parse crypto cipher operation command line argument */
 991 static int
 992 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 993 {
 994         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 995                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 996                                 "not supported!\n");
 997                 return -1;
 998         }
 999
1000         return 0;
1001 }
1002
1003 static int
1004 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1005 {
1006         if (strcmp("VERIFY", optarg) == 0) {
1007                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1008                 return 0;
1009         } else if (strcmp("GENERATE", optarg) == 0) {
1010                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1011                 return 0;
1012         }
1013
1014         printf("Authentication operation specified not supported!\n");
1015         return -1;
1016 }
1017
1018 static int
1019 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1020                 const char *q_arg)
1021 {
1022         char *end = NULL;
1023         uint64_t pm;
1024
1025         /* parse hexadecimal string */
1026         pm = strtoul(q_arg, &end, 16);
1027         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1028                 pm = 0;
1029
1030         options->cryptodev_mask = pm;
1031         if (options->cryptodev_mask == 0) {
1032                 printf("invalid cryptodev_mask specified\n");
1033                 return -1;
1034         }
1035
1036         return 0;
1037 }
1038
1039 /** Parse long options */
1040 static int
1041 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1042                 struct option *lgopts, int option_index)
1043 {
1044         int retval;
1045
1046         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1047                 retval = parse_cryptodev_type(&options->type, optarg);
1048                 if (retval == 0)
1049                         snprintf(options->string_type, MAX_STR_LEN,
1050                                 "%s", optarg);
1051                 return retval;
1052         }
1053
1054         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1055                 return parse_crypto_opt_chain(options, optarg);
1056
1057         /* Cipher options */
1058         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1059                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1060                                 optarg);
1061
1062         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1063                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1064                                 optarg);
1065
1066         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1067                 options->ckey_param = 1;
1068                 options->cipher_xform.cipher.key.length =
1069                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1070                 if (options->cipher_xform.cipher.key.length > 0)
1071                         return 0;
1072                 else
1073                         return -1;
1074         }
1075
1076         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1077                 return parse_size(&options->ckey_random_size, optarg);
1078
1079         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1080                 options->iv_param = 1;
1081                 options->iv.length =
1082                         parse_key(options->iv.data, optarg);
1083                 if (options->iv.length > 0)
1084                         return 0;
1085                 else
1086                         return -1;
1087         }
1088
1089         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1090                 return parse_size(&options->iv_random_size, optarg);
1091
1092         /* Authentication options */
1093         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1094                 return parse_auth_algo(&options->auth_xform.auth.algo,
1095                                 optarg);
1096         }
1097
1098         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1099                 return parse_auth_op(&options->auth_xform.auth.op,
1100                                 optarg);
1101
1102         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1103                 options->akey_param = 1;
1104                 options->auth_xform.auth.key.length =
1105                         parse_key(options->auth_xform.auth.key.data, optarg);
1106                 if (options->auth_xform.auth.key.length > 0)
1107                         return 0;
1108                 else
1109                         return -1;
1110         }
1111
1112         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1113                 return parse_size(&options->akey_random_size, optarg);
1114         }
1115
1116         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1117                 options->aad_param = 1;
1118                 options->aad.length =
1119                         parse_key(options->aad.data, optarg);
1120                 if (options->aad.length > 0)
1121                         return 0;
1122                 else
1123                         return -1;
1124         }
1125
1126         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1127                 return parse_size(&options->aad_random_size, optarg);
1128         }
1129
1130         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1131                 return parse_size(&options->digest_size, optarg);
1132         }
1133
1134         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1135                 options->sessionless = 1;
1136                 return 0;
1137         }
1138
1139         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1140                 return parse_cryptodev_mask(options, optarg);
1141
1142         return -1;
1143 }
1144
1145 /** Parse port mask */
1146 static int
1147 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1148                 const char *q_arg)
1149 {
1150         char *end = NULL;
1151         unsigned long pm;
1152
1153         /* parse hexadecimal string */
1154         pm = strtoul(q_arg, &end, 16);
1155         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1156                 pm = 0;
1157
1158         options->portmask = pm;
1159         if (options->portmask == 0) {
1160                 printf("invalid portmask specified\n");
1161                 return -1;
1162         }
1163
1164         return pm;
1165 }
1166
1167 /** Parse number of queues */
1168 static int
1169 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1170                 const char *q_arg)
1171 {
1172         char *end = NULL;
1173         unsigned long n;
1174
1175         /* parse hexadecimal string */
1176         n = strtoul(q_arg, &end, 10);
1177         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1178                 n = 0;
1179         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1180                 n = 0;
1181
1182         options->nb_ports_per_lcore = n;
1183         if (options->nb_ports_per_lcore == 0) {
1184                 printf("invalid number of ports selected\n");
1185                 return -1;
1186         }
1187
1188         return 0;
1189 }
1190
1191 /** Parse timer period */
1192 static int
1193 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1194                 const char *q_arg)
1195 {
1196         char *end = NULL;
1197         unsigned long n;
1198
1199         /* parse number string */
1200         n = (unsigned)strtol(q_arg, &end, 10);
1201         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1202                 n = 0;
1203
1204         if (n >= MAX_TIMER_PERIOD) {
1205                 printf("Warning refresh period specified %lu is greater than "
1206                                 "max value %lu! using max value",
1207                                 n, MAX_TIMER_PERIOD);
1208                 n = MAX_TIMER_PERIOD;
1209         }
1210
1211         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1212
1213         return 0;
1214 }
1215
1216 /** Generate default options for application */
1217 static void
1218 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1219 {
1220         options->portmask = 0xffffffff;
1221         options->nb_ports_per_lcore = 1;
1222         options->refresh_period = 10000;
1223         options->single_lcore = 0;
1224         options->sessionless = 0;
1225
1226         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1227
1228         /* Cipher Data */
1229         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1230         options->cipher_xform.next = NULL;
1231         options->ckey_param = 0;
1232         options->ckey_random_size = -1;
1233         options->cipher_xform.cipher.key.length = 0;
1234         options->iv_param = 0;
1235         options->iv_random_size = -1;
1236         options->iv.length = 0;
1237
1238         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1239         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1240
1241         /* Authentication Data */
1242         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1243         options->auth_xform.next = NULL;
1244         options->akey_param = 0;
1245         options->akey_random_size = -1;
1246         options->auth_xform.auth.key.length = 0;
1247         options->aad_param = 0;
1248         options->aad_random_size = -1;
1249         options->aad.length = 0;
1250         options->digest_size = -1;
1251
1252         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1253         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1254
1255         options->type = CDEV_TYPE_ANY;
1256         options->cryptodev_mask = UINT64_MAX;
1257 }
1258
1259 static void
1260 display_cipher_info(struct l2fwd_crypto_options *options)
1261 {
1262         printf("\n---- Cipher information ---\n");
1263         printf("Algorithm: %s\n",
1264                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1265         rte_hexdump(stdout, "Cipher key:",
1266                         options->cipher_xform.cipher.key.data,
1267                         options->cipher_xform.cipher.key.length);
1268         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1269 }
1270
1271 static void
1272 display_auth_info(struct l2fwd_crypto_options *options)
1273 {
1274         printf("\n---- Authentication information ---\n");
1275         printf("Algorithm: %s\n",
1276                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1277         rte_hexdump(stdout, "Auth key:",
1278                         options->auth_xform.auth.key.data,
1279                         options->auth_xform.auth.key.length);
1280         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1281 }
1282
1283 static void
1284 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1285 {
1286         char string_cipher_op[MAX_STR_LEN];
1287         char string_auth_op[MAX_STR_LEN];
1288
1289         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1290                 strcpy(string_cipher_op, "Encrypt");
1291         else
1292                 strcpy(string_cipher_op, "Decrypt");
1293
1294         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1295                 strcpy(string_auth_op, "Auth generate");
1296         else
1297                 strcpy(string_auth_op, "Auth verify");
1298
1299         printf("Options:-\nn");
1300         printf("portmask: %x\n", options->portmask);
1301         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1302         printf("refresh period : %u\n", options->refresh_period);
1303         printf("single lcore mode: %s\n",
1304                         options->single_lcore ? "enabled" : "disabled");
1305         printf("stats_printing: %s\n",
1306                         options->refresh_period == 0 ? "disabled" : "enabled");
1307
1308         printf("sessionless crypto: %s\n",
1309                         options->sessionless ? "enabled" : "disabled");
1310
1311         if (options->ckey_param && (options->ckey_random_size != -1))
1312                 printf("Cipher key already parsed, ignoring size of random key\n");
1313
1314         if (options->akey_param && (options->akey_random_size != -1))
1315                 printf("Auth key already parsed, ignoring size of random key\n");
1316
1317         if (options->iv_param && (options->iv_random_size != -1))
1318                 printf("IV already parsed, ignoring size of random IV\n");
1319
1320         if (options->aad_param && (options->aad_random_size != -1))
1321                 printf("AAD already parsed, ignoring size of random AAD\n");
1322
1323         printf("\nCrypto chain: ");
1324         switch (options->xform_chain) {
1325         case L2FWD_CRYPTO_CIPHER_HASH:
1326                 printf("Input --> %s --> %s --> Output\n",
1327                         string_cipher_op, string_auth_op);
1328                 display_cipher_info(options);
1329                 display_auth_info(options);
1330                 break;
1331         case L2FWD_CRYPTO_HASH_CIPHER:
1332                 printf("Input --> %s --> %s --> Output\n",
1333                         string_auth_op, string_cipher_op);
1334                 display_cipher_info(options);
1335                 display_auth_info(options);
1336                 break;
1337         case L2FWD_CRYPTO_HASH_ONLY:
1338                 printf("Input --> %s --> Output\n", string_auth_op);
1339                 display_auth_info(options);
1340                 break;
1341         case L2FWD_CRYPTO_CIPHER_ONLY:
1342                 printf("Input --> %s --> Output\n", string_cipher_op);
1343                 display_cipher_info(options);
1344                 break;
1345         }
1346 }
1347
1348 /* Parse the argument given in the command line of the application */
1349 static int
1350 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1351                 int argc, char **argv)
1352 {
1353         int opt, retval, option_index;
1354         char **argvopt = argv, *prgname = argv[0];
1355
1356         static struct option lgopts[] = {
1357                         { "sessionless", no_argument, 0, 0 },
1358
1359                         { "cdev_type", required_argument, 0, 0 },
1360                         { "chain", required_argument, 0, 0 },
1361
1362                         { "cipher_algo", required_argument, 0, 0 },
1363                         { "cipher_op", required_argument, 0, 0 },
1364                         { "cipher_key", required_argument, 0, 0 },
1365                         { "cipher_key_random_size", required_argument, 0, 0 },
1366
1367                         { "auth_algo", required_argument, 0, 0 },
1368                         { "auth_op", required_argument, 0, 0 },
1369                         { "auth_key", required_argument, 0, 0 },
1370                         { "auth_key_random_size", required_argument, 0, 0 },
1371
1372                         { "iv", required_argument, 0, 0 },
1373                         { "iv_random_size", required_argument, 0, 0 },
1374                         { "aad", required_argument, 0, 0 },
1375                         { "aad_random_size", required_argument, 0, 0 },
1376                         { "digest_size", required_argument, 0, 0 },
1377
1378                         { "sessionless", no_argument, 0, 0 },
1379                         { "cryptodev_mask", required_argument, 0, 0},
1380
1381                         { NULL, 0, 0, 0 }
1382         };
1383
1384         l2fwd_crypto_default_options(options);
1385
1386         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1387                         &option_index)) != EOF) {
1388                 switch (opt) {
1389                 /* long options */
1390                 case 0:
1391                         retval = l2fwd_crypto_parse_args_long_options(options,
1392                                         lgopts, option_index);
1393                         if (retval < 0) {
1394                                 l2fwd_crypto_usage(prgname);
1395                                 return -1;
1396                         }
1397                         break;
1398
1399                 /* portmask */
1400                 case 'p':
1401                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1402                         if (retval < 0) {
1403                                 l2fwd_crypto_usage(prgname);
1404                                 return -1;
1405                         }
1406                         break;
1407
1408                 /* nqueue */
1409                 case 'q':
1410                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1411                         if (retval < 0) {
1412                                 l2fwd_crypto_usage(prgname);
1413                                 return -1;
1414                         }
1415                         break;
1416
1417                 /* single  */
1418                 case 's':
1419                         options->single_lcore = 1;
1420
1421                         break;
1422
1423                 /* timer period */
1424                 case 'T':
1425                         retval = l2fwd_crypto_parse_timer_period(options,
1426                                         optarg);
1427                         if (retval < 0) {
1428                                 l2fwd_crypto_usage(prgname);
1429                                 return -1;
1430                         }
1431                         break;
1432
1433                 default:
1434                         l2fwd_crypto_usage(prgname);
1435                         return -1;
1436                 }
1437         }
1438
1439
1440         if (optind >= 0)
1441                 argv[optind-1] = prgname;
1442
1443         retval = optind-1;
1444         optind = 1; /* reset getopt lib */
1445
1446         return retval;
1447 }
1448
1449 /* Check the link status of all ports in up to 9s, and print them finally */
1450 static void
1451 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1452 {
1453 #define CHECK_INTERVAL 100 /* 100ms */
1454 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1455         uint8_t portid, count, all_ports_up, print_flag = 0;
1456         struct rte_eth_link link;
1457
1458         printf("\nChecking link status");
1459         fflush(stdout);
1460         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1461                 all_ports_up = 1;
1462                 for (portid = 0; portid < port_num; portid++) {
1463                         if ((port_mask & (1 << portid)) == 0)
1464                                 continue;
1465                         memset(&link, 0, sizeof(link));
1466                         rte_eth_link_get_nowait(portid, &link);
1467                         /* print link status if flag set */
1468                         if (print_flag == 1) {
1469                                 if (link.link_status)
1470                                         printf("Port %d Link Up - speed %u "
1471                                                 "Mbps - %s\n", (uint8_t)portid,
1472                                                 (unsigned)link.link_speed,
1473                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1474                                         ("full-duplex") : ("half-duplex\n"));
1475                                 else
1476                                         printf("Port %d Link Down\n",
1477                                                 (uint8_t)portid);
1478                                 continue;
1479                         }
1480                         /* clear all_ports_up flag if any link down */
1481                         if (link.link_status == ETH_LINK_DOWN) {
1482                                 all_ports_up = 0;
1483                                 break;
1484                         }
1485                 }
1486                 /* after finally printing all link status, get out */
1487                 if (print_flag == 1)
1488                         break;
1489
1490                 if (all_ports_up == 0) {
1491                         printf(".");
1492                         fflush(stdout);
1493                         rte_delay_ms(CHECK_INTERVAL);
1494                 }
1495
1496                 /* set the print_flag if all ports up or timeout */
1497                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1498                         print_flag = 1;
1499                         printf("done\n");
1500                 }
1501         }
1502 }
1503
1504 /* Check if device has to be HW/SW or any */
1505 static int
1506 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1507 {
1508         if (options->type == CDEV_TYPE_HW &&
1509                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1510                 return 0;
1511         if (options->type == CDEV_TYPE_SW &&
1512                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1513                 return 0;
1514         if (options->type == CDEV_TYPE_ANY)
1515                 return 0;
1516
1517         return -1;
1518 }
1519
1520 /* Check if the device is enabled by cryptodev_mask */
1521 static int
1522 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1523                 uint8_t cdev_id)
1524 {
1525         if (options->cryptodev_mask & (1 << cdev_id))
1526                 return 0;
1527
1528         return -1;
1529 }
1530
1531 static inline int
1532 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1533                 uint16_t increment)
1534 {
1535         uint16_t supp_size;
1536
1537         /* Single value */
1538         if (increment == 0) {
1539                 if (length == min)
1540                         return 0;
1541                 else
1542                         return -1;
1543         }
1544
1545         /* Range of values */
1546         for (supp_size = min; supp_size <= max; supp_size += increment) {
1547                 if (length == supp_size)
1548                         return 0;
1549         }
1550
1551         return -1;
1552 }
1553 static int
1554 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1555                 uint8_t *enabled_cdevs)
1556 {
1557         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1558         const struct rte_cryptodev_capabilities *cap;
1559         enum rte_crypto_auth_algorithm cap_auth_algo;
1560         enum rte_crypto_auth_algorithm opt_auth_algo;
1561         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1562         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1563         int retval;
1564
1565         cdev_count = rte_cryptodev_count();
1566         if (cdev_count == 0) {
1567                 printf("No crypto devices available\n");
1568                 return -1;
1569         }
1570
1571         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1572                         cdev_id++) {
1573                 struct rte_cryptodev_qp_conf qp_conf;
1574                 struct rte_cryptodev_info dev_info;
1575
1576                 struct rte_cryptodev_config conf = {
1577                         .nb_queue_pairs = 1,
1578                         .socket_id = SOCKET_ID_ANY,
1579                         .session_mp = {
1580                                 .nb_objs = 2048,
1581                                 .cache_size = 64
1582                         }
1583                 };
1584
1585                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1586                         continue;
1587
1588                 rte_cryptodev_info_get(cdev_id, &dev_info);
1589
1590                 /* Set cipher parameters */
1591                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1592                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1593                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1594                         /* Check if device supports cipher algo */
1595                         i = 0;
1596                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1597                         cap = &dev_info.capabilities[i];
1598                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1599                                 cap_cipher_algo = cap->sym.cipher.algo;
1600                                 if (cap->sym.xform_type ==
1601                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1602                                         if (cap_cipher_algo == opt_cipher_algo) {
1603                                                 if (check_type(options, &dev_info) == 0)
1604                                                         break;
1605                                         }
1606                                 }
1607                                 cap = &dev_info.capabilities[++i];
1608                         }
1609
1610                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1611                                 printf("Algorithm %s not supported by cryptodev %u"
1612                                         " or device not of preferred type (%s)\n",
1613                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1614                                         cdev_id,
1615                                         options->string_type);
1616                                 continue;
1617                         }
1618
1619                         options->block_size = cap->sym.cipher.block_size;
1620                         /*
1621                          * Check if length of provided IV is supported
1622                          * by the algorithm chosen.
1623                          */
1624                         if (options->iv_param) {
1625                                 if (check_supported_size(options->iv.length,
1626                                                 cap->sym.cipher.iv_size.min,
1627                                                 cap->sym.cipher.iv_size.max,
1628                                                 cap->sym.cipher.iv_size.increment)
1629                                                         != 0) {
1630                                         printf("Unsupported IV length\n");
1631                                         return -1;
1632                                 }
1633                         /*
1634                          * Check if length of IV to be randomly generated
1635                          * is supported by the algorithm chosen.
1636                          */
1637                         } else if (options->iv_random_size != -1) {
1638                                 if (check_supported_size(options->iv_random_size,
1639                                                 cap->sym.cipher.iv_size.min,
1640                                                 cap->sym.cipher.iv_size.max,
1641                                                 cap->sym.cipher.iv_size.increment)
1642                                                         != 0) {
1643                                         printf("Unsupported IV length\n");
1644                                         return -1;
1645                                 }
1646                                 options->iv.length = options->iv_random_size;
1647                         /* No size provided, use minimum size. */
1648                         } else
1649                                 options->iv.length = cap->sym.cipher.iv_size.min;
1650
1651                         /*
1652                          * Check if length of provided cipher key is supported
1653                          * by the algorithm chosen.
1654                          */
1655                         if (options->ckey_param) {
1656                                 if (check_supported_size(
1657                                                 options->cipher_xform.cipher.key.length,
1658                                                 cap->sym.cipher.key_size.min,
1659                                                 cap->sym.cipher.key_size.max,
1660                                                 cap->sym.cipher.key_size.increment)
1661                                                         != 0) {
1662                                         printf("Unsupported cipher key length\n");
1663                                         return -1;
1664                                 }
1665                         /*
1666                          * Check if length of the cipher key to be randomly generated
1667                          * is supported by the algorithm chosen.
1668                          */
1669                         } else if (options->ckey_random_size != -1) {
1670                                 if (check_supported_size(options->ckey_random_size,
1671                                                 cap->sym.cipher.key_size.min,
1672                                                 cap->sym.cipher.key_size.max,
1673                                                 cap->sym.cipher.key_size.increment)
1674                                                         != 0) {
1675                                         printf("Unsupported cipher key length\n");
1676                                         return -1;
1677                                 }
1678                                 options->cipher_xform.cipher.key.length =
1679                                                         options->ckey_random_size;
1680                         /* No size provided, use minimum size. */
1681                         } else
1682                                 options->cipher_xform.cipher.key.length =
1683                                                 cap->sym.cipher.key_size.min;
1684
1685                         if (!options->ckey_param)
1686                                 generate_random_key(
1687                                         options->cipher_xform.cipher.key.data,
1688                                         options->cipher_xform.cipher.key.length);
1689
1690                 }
1691
1692                 /* Set auth parameters */
1693                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1694                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1695                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1696                         /* Check if device supports auth algo */
1697                         i = 0;
1698                         opt_auth_algo = options->auth_xform.auth.algo;
1699                         cap = &dev_info.capabilities[i];
1700                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1701                                 cap_auth_algo = cap->sym.auth.algo;
1702                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1703                                                 (cap_auth_algo == opt_auth_algo) &&
1704                                                 (check_type(options, &dev_info) == 0)) {
1705                                         break;
1706                                 }
1707                                 cap = &dev_info.capabilities[++i];
1708                         }
1709
1710                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1711                                 printf("Algorithm %s not supported by cryptodev %u"
1712                                         " or device not of preferred type (%s)\n",
1713                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1714                                         cdev_id,
1715                                         options->string_type);
1716                                 continue;
1717                         }
1718
1719                         /*
1720                          * Check if length of provided AAD is supported
1721                          * by the algorithm chosen.
1722                          */
1723                         if (options->aad_param) {
1724                                 if (check_supported_size(options->aad.length,
1725                                                 cap->sym.auth.aad_size.min,
1726                                                 cap->sym.auth.aad_size.max,
1727                                                 cap->sym.auth.aad_size.increment)
1728                                                         != 0) {
1729                                         printf("Unsupported AAD length\n");
1730                                         return -1;
1731                                 }
1732                         /*
1733                          * Check if length of AAD to be randomly generated
1734                          * is supported by the algorithm chosen.
1735                          */
1736                         } else if (options->aad_random_size != -1) {
1737                                 if (check_supported_size(options->aad_random_size,
1738                                                 cap->sym.auth.aad_size.min,
1739                                                 cap->sym.auth.aad_size.max,
1740                                                 cap->sym.auth.aad_size.increment)
1741                                                         != 0) {
1742                                         printf("Unsupported AAD length\n");
1743                                         return -1;
1744                                 }
1745                                 options->aad.length = options->aad_random_size;
1746                         /* No size provided, use minimum size. */
1747                         } else
1748                                 options->aad.length = cap->sym.auth.aad_size.min;
1749
1750                         options->auth_xform.auth.add_auth_data_length =
1751                                                 options->aad.length;
1752
1753                         /*
1754                          * Check if length of provided auth key is supported
1755                          * by the algorithm chosen.
1756                          */
1757                         if (options->akey_param) {
1758                                 if (check_supported_size(
1759                                                 options->auth_xform.auth.key.length,
1760                                                 cap->sym.auth.key_size.min,
1761                                                 cap->sym.auth.key_size.max,
1762                                                 cap->sym.auth.key_size.increment)
1763                                                         != 0) {
1764                                         printf("Unsupported auth key length\n");
1765                                         return -1;
1766                                 }
1767                         /*
1768                          * Check if length of the auth key to be randomly generated
1769                          * is supported by the algorithm chosen.
1770                          */
1771                         } else if (options->akey_random_size != -1) {
1772                                 if (check_supported_size(options->akey_random_size,
1773                                                 cap->sym.auth.key_size.min,
1774                                                 cap->sym.auth.key_size.max,
1775                                                 cap->sym.auth.key_size.increment)
1776                                                         != 0) {
1777                                         printf("Unsupported auth key length\n");
1778                                         return -1;
1779                                 }
1780                                 options->auth_xform.auth.key.length =
1781                                                         options->akey_random_size;
1782                         /* No size provided, use minimum size. */
1783                         } else
1784                                 options->auth_xform.auth.key.length =
1785                                                 cap->sym.auth.key_size.min;
1786
1787                         if (!options->akey_param)
1788                                 generate_random_key(
1789                                         options->auth_xform.auth.key.data,
1790                                         options->auth_xform.auth.key.length);
1791
1792                         /* Check if digest size is supported by the algorithm. */
1793                         if (options->digest_size != -1) {
1794                                 if (check_supported_size(options->digest_size,
1795                                                 cap->sym.auth.digest_size.min,
1796                                                 cap->sym.auth.digest_size.max,
1797                                                 cap->sym.auth.digest_size.increment)
1798                                                         != 0) {
1799                                         printf("Unsupported digest length\n");
1800                                         return -1;
1801                                 }
1802                                 options->auth_xform.auth.digest_length =
1803                                                         options->digest_size;
1804                         /* No size provided, use minimum size. */
1805                         } else
1806                                 options->auth_xform.auth.digest_length =
1807                                                 cap->sym.auth.digest_size.min;
1808                 }
1809
1810                 retval = rte_cryptodev_configure(cdev_id, &conf);
1811                 if (retval < 0) {
1812                         printf("Failed to configure cryptodev %u", cdev_id);
1813                         return -1;
1814                 }
1815
1816                 qp_conf.nb_descriptors = 2048;
1817
1818                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1819                                 SOCKET_ID_ANY);
1820                 if (retval < 0) {
1821                         printf("Failed to setup queue pair %u on cryptodev %u",
1822                                         0, cdev_id);
1823                         return -1;
1824                 }
1825
1826                 retval = rte_cryptodev_start(cdev_id);
1827                 if (retval < 0) {
1828                         printf("Failed to start device %u: error %d\n",
1829                                         cdev_id, retval);
1830                         return -1;
1831                 }
1832
1833                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1834
1835                 enabled_cdevs[cdev_id] = 1;
1836                 enabled_cdev_count++;
1837         }
1838
1839         return enabled_cdev_count;
1840 }
1841
1842 static int
1843 initialize_ports(struct l2fwd_crypto_options *options)
1844 {
1845         uint8_t last_portid, portid;
1846         unsigned enabled_portcount = 0;
1847         unsigned nb_ports = rte_eth_dev_count();
1848
1849         if (nb_ports == 0) {
1850                 printf("No Ethernet ports - bye\n");
1851                 return -1;
1852         }
1853
1854         /* Reset l2fwd_dst_ports */
1855         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1856                 l2fwd_dst_ports[portid] = 0;
1857
1858         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1859                 int retval;
1860
1861                 /* Skip ports that are not enabled */
1862                 if ((options->portmask & (1 << portid)) == 0)
1863                         continue;
1864
1865                 /* init port */
1866                 printf("Initializing port %u... ", (unsigned) portid);
1867                 fflush(stdout);
1868                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1869                 if (retval < 0) {
1870                         printf("Cannot configure device: err=%d, port=%u\n",
1871                                   retval, (unsigned) portid);
1872                         return -1;
1873                 }
1874
1875                 /* init one RX queue */
1876                 fflush(stdout);
1877                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1878                                              rte_eth_dev_socket_id(portid),
1879                                              NULL, l2fwd_pktmbuf_pool);
1880                 if (retval < 0) {
1881                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1882                                         retval, (unsigned) portid);
1883                         return -1;
1884                 }
1885
1886                 /* init one TX queue on each port */
1887                 fflush(stdout);
1888                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1889                                 rte_eth_dev_socket_id(portid),
1890                                 NULL);
1891                 if (retval < 0) {
1892                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1893                                 retval, (unsigned) portid);
1894
1895                         return -1;
1896                 }
1897
1898                 /* Start device */
1899                 retval = rte_eth_dev_start(portid);
1900                 if (retval < 0) {
1901                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1902                                         retval, (unsigned) portid);
1903                         return -1;
1904                 }
1905
1906                 rte_eth_promiscuous_enable(portid);
1907
1908                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1909
1910                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1911                                 (unsigned) portid,
1912                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1913                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1914                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1915                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1916                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1917                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1918
1919                 /* initialize port stats */
1920                 memset(&port_statistics, 0, sizeof(port_statistics));
1921
1922                 /* Setup port forwarding table */
1923                 if (enabled_portcount % 2) {
1924                         l2fwd_dst_ports[portid] = last_portid;
1925                         l2fwd_dst_ports[last_portid] = portid;
1926                 } else {
1927                         last_portid = portid;
1928                 }
1929
1930                 l2fwd_enabled_port_mask |= (1 << portid);
1931                 enabled_portcount++;
1932         }
1933
1934         if (enabled_portcount == 1) {
1935                 l2fwd_dst_ports[last_portid] = last_portid;
1936         } else if (enabled_portcount % 2) {
1937                 printf("odd number of ports in portmask- bye\n");
1938                 return -1;
1939         }
1940
1941         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1942
1943         return enabled_portcount;
1944 }
1945
1946 static void
1947 reserve_key_memory(struct l2fwd_crypto_options *options)
1948 {
1949         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1950                                                 MAX_KEY_SIZE, 0);
1951         if (options->cipher_xform.cipher.key.data == NULL)
1952                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1953
1954
1955         options->auth_xform.auth.key.data = rte_malloc("auth key",
1956                                                 MAX_KEY_SIZE, 0);
1957         if (options->auth_xform.auth.key.data == NULL)
1958                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1959
1960         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1961         if (options->iv.data == NULL)
1962                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1963
1964         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1965         if (options->aad.data == NULL)
1966                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1967         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1968 }
1969
1970 int
1971 main(int argc, char **argv)
1972 {
1973         struct lcore_queue_conf *qconf;
1974         struct l2fwd_crypto_options options;
1975
1976         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1977         unsigned lcore_id, rx_lcore_id;
1978         int ret, enabled_cdevcount, enabled_portcount;
1979         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1980
1981         /* init EAL */
1982         ret = rte_eal_init(argc, argv);
1983         if (ret < 0)
1984                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1985         argc -= ret;
1986         argv += ret;
1987
1988         /* reserve memory for Cipher/Auth key and IV */
1989         reserve_key_memory(&options);
1990
1991         /* parse application arguments (after the EAL ones) */
1992         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1993         if (ret < 0)
1994                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1995
1996         /* create the mbuf pool */
1997         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1998                         sizeof(struct rte_crypto_op),
1999                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2000         if (l2fwd_pktmbuf_pool == NULL)
2001                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2002
2003         /* create crypto op pool */
2004         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2005                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2006                         rte_socket_id());
2007         if (l2fwd_crypto_op_pool == NULL)
2008                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2009
2010         /* Enable Ethernet ports */
2011         enabled_portcount = initialize_ports(&options);
2012         if (enabled_portcount < 1)
2013                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2014
2015         nb_ports = rte_eth_dev_count();
2016         /* Initialize the port/queue configuration of each logical core */
2017         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2018                         portid < nb_ports; portid++) {
2019
2020                 /* skip ports that are not enabled */
2021                 if ((options.portmask & (1 << portid)) == 0)
2022                         continue;
2023
2024                 if (options.single_lcore && qconf == NULL) {
2025                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2026                                 rx_lcore_id++;
2027                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2028                                         rte_exit(EXIT_FAILURE,
2029                                                         "Not enough cores\n");
2030                         }
2031                 } else if (!options.single_lcore) {
2032                         /* get the lcore_id for this port */
2033                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2034                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2035                                options.nb_ports_per_lcore) {
2036                                 rx_lcore_id++;
2037                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2038                                         rte_exit(EXIT_FAILURE,
2039                                                         "Not enough cores\n");
2040                         }
2041                 }
2042
2043                 /* Assigned a new logical core in the loop above. */
2044                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2045                         qconf = &lcore_queue_conf[rx_lcore_id];
2046
2047                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2048                 qconf->nb_rx_ports++;
2049
2050                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2051         }
2052
2053         /* Enable Crypto devices */
2054         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2055                         enabled_cdevs);
2056         if (enabled_cdevcount < 0)
2057                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2058
2059         if (enabled_cdevcount < enabled_portcount)
2060                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2061                                 "has to be more or equal to number of ports (%d)\n",
2062                                 enabled_cdevcount, enabled_portcount);
2063
2064         nb_cryptodevs = rte_cryptodev_count();
2065
2066         /* Initialize the port/cryptodev configuration of each logical core */
2067         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2068                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2069                         cdev_id++) {
2070                 /* Crypto op not supported by crypto device */
2071                 if (!enabled_cdevs[cdev_id])
2072                         continue;
2073
2074                 if (options.single_lcore && qconf == NULL) {
2075                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2076                                 rx_lcore_id++;
2077                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2078                                         rte_exit(EXIT_FAILURE,
2079                                                         "Not enough cores\n");
2080                         }
2081                 } else if (!options.single_lcore) {
2082                         /* get the lcore_id for this port */
2083                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2084                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2085                                options.nb_ports_per_lcore) {
2086                                 rx_lcore_id++;
2087                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2088                                         rte_exit(EXIT_FAILURE,
2089                                                         "Not enough cores\n");
2090                         }
2091                 }
2092
2093                 /* Assigned a new logical core in the loop above. */
2094                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2095                         qconf = &lcore_queue_conf[rx_lcore_id];
2096
2097                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2098                 qconf->nb_crypto_devs++;
2099
2100                 enabled_cdevcount--;
2101
2102                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2103                                 (unsigned)cdev_id);
2104         }
2105
2106         /* launch per-lcore init on every lcore */
2107         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2108                         CALL_MASTER);
2109         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2110                 if (rte_eal_wait_lcore(lcore_id) < 0)
2111                         return -1;
2112         }
2113
2114         return 0;
2115 }