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.offset = IV_OFFSET;
 493                 op->sym->cipher.iv.length = cparams->iv.length;
 494
 495                 /* For wireless algorithms, offset/length must be in bits */
 496                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 497                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 498                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 499                         op->sym->cipher.data.offset = ipdata_offset << 3;
 500                         op->sym->cipher.data.length = data_len << 3;
 501                 } else {
 502                         op->sym->cipher.data.offset = ipdata_offset;
 503                         op->sym->cipher.data.length = data_len;
 504                 }
 505         }
 506
 507         op->sym->m_src = m;
 508
 509         return l2fwd_crypto_enqueue(op, cparams);
 510 }
 511
 512
 513 /* Send the burst of packets on an output interface */
 514 static int
 515 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 516                 uint8_t port)
 517 {
 518         struct rte_mbuf **pkt_buffer;
 519         unsigned ret;
 520
 521         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 522
 523         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 524         port_statistics[port].tx += ret;
 525         if (unlikely(ret < n)) {
 526                 port_statistics[port].dropped += (n - ret);
 527                 do {
 528                         rte_pktmbuf_free(pkt_buffer[ret]);
 529                 } while (++ret < n);
 530         }
 531
 532         return 0;
 533 }
 534
 535 /* Enqueue packets for TX and prepare them to be sent */
 536 static int
 537 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 538 {
 539         unsigned lcore_id, len;
 540         struct lcore_queue_conf *qconf;
 541
 542         lcore_id = rte_lcore_id();
 543
 544         qconf = &lcore_queue_conf[lcore_id];
 545         len = qconf->pkt_buf[port].len;
 546         qconf->pkt_buf[port].buffer[len] = m;
 547         len++;
 548
 549         /* enough pkts to be sent */
 550         if (unlikely(len == MAX_PKT_BURST)) {
 551                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 552                 len = 0;
 553         }
 554
 555         qconf->pkt_buf[port].len = len;
 556         return 0;
 557 }
 558
 559 static void
 560 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 561 {
 562         struct ether_hdr *eth;
 563         void *tmp;
 564         unsigned dst_port;
 565
 566         dst_port = l2fwd_dst_ports[portid];
 567         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 568
 569         /* 02:00:00:00:00:xx */
 570         tmp = &eth->d_addr.addr_bytes[0];
 571         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 572
 573         /* src addr */
 574         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 575
 576         l2fwd_send_packet(m, (uint8_t) dst_port);
 577 }
 578
 579 /** Generate random key */
 580 static void
 581 generate_random_key(uint8_t *key, unsigned length)
 582 {
 583         int fd;
 584         int ret;
 585
 586         fd = open("/dev/urandom", O_RDONLY);
 587         if (fd < 0)
 588                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 589
 590         ret = read(fd, key, length);
 591         close(fd);
 592
 593         if (ret != (signed)length)
 594                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 595 }
 596
 597 static struct rte_cryptodev_sym_session *
 598 initialize_crypto_session(struct l2fwd_crypto_options *options,
 599                 uint8_t cdev_id)
 600 {
 601         struct rte_crypto_sym_xform *first_xform;
 602
 603         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 604                 first_xform = &options->cipher_xform;
 605                 first_xform->next = &options->auth_xform;
 606         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 607                 first_xform = &options->auth_xform;
 608                 first_xform->next = &options->cipher_xform;
 609         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 610                 first_xform = &options->cipher_xform;
 611         } else {
 612                 first_xform = &options->auth_xform;
 613         }
 614
 615         /* Setup Cipher Parameters */
 616         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 617 }
 618
 619 static void
 620 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 621
 622 /* main processing loop */
 623 static void
 624 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 625 {
 626         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 627         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 628
 629         unsigned lcore_id = rte_lcore_id();
 630         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 631         unsigned i, j, portid, nb_rx, len;
 632         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 633         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 634                         US_PER_S * BURST_TX_DRAIN_US;
 635         struct l2fwd_crypto_params *cparams;
 636         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 637
 638         if (qconf->nb_rx_ports == 0) {
 639                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 640                 return;
 641         }
 642
 643         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 644
 645         for (i = 0; i < qconf->nb_rx_ports; i++) {
 646
 647                 portid = qconf->rx_port_list[i];
 648                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 649                         portid);
 650         }
 651
 652         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 653                 port_cparams[i].do_cipher = 0;
 654                 port_cparams[i].do_hash = 0;
 655
 656                 switch (options->xform_chain) {
 657                 case L2FWD_CRYPTO_CIPHER_HASH:
 658                 case L2FWD_CRYPTO_HASH_CIPHER:
 659                         port_cparams[i].do_cipher = 1;
 660                         port_cparams[i].do_hash = 1;
 661                         break;
 662                 case L2FWD_CRYPTO_HASH_ONLY:
 663                         port_cparams[i].do_hash = 1;
 664                         break;
 665                 case L2FWD_CRYPTO_CIPHER_ONLY:
 666                         port_cparams[i].do_cipher = 1;
 667                         break;
 668                 }
 669
 670                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 671                 port_cparams[i].qp_id = 0;
 672
 673                 port_cparams[i].block_size = options->block_size;
 674
 675                 if (port_cparams[i].do_hash) {
 676                         port_cparams[i].digest_length =
 677                                         options->auth_xform.auth.digest_length;
 678                         if (options->auth_xform.auth.add_auth_data_length) {
 679                                 port_cparams[i].aad.data = options->aad.data;
 680                                 port_cparams[i].aad.length =
 681                                         options->auth_xform.auth.add_auth_data_length;
 682                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 683                                 if (!options->aad_param)
 684                                         generate_random_key(port_cparams[i].aad.data,
 685                                                 port_cparams[i].aad.length);
 686
 687                         } else
 688                                 port_cparams[i].aad.length = 0;
 689
 690                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 691                                 port_cparams[i].hash_verify = 1;
 692                         else
 693                                 port_cparams[i].hash_verify = 0;
 694
 695                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 696                 }
 697
 698                 if (port_cparams[i].do_cipher) {
 699                         port_cparams[i].iv.data = options->iv.data;
 700                         port_cparams[i].iv.length = options->iv.length;
 701                         if (!options->iv_param)
 702                                 generate_random_key(port_cparams[i].iv.data,
 703                                                 port_cparams[i].iv.length);
 704
 705                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 706                 }
 707
 708                 port_cparams[i].session = initialize_crypto_session(options,
 709                                 port_cparams[i].dev_id);
 710
 711                 if (port_cparams[i].session == NULL)
 712                         return;
 713                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 714                                 port_cparams[i].dev_id);
 715         }
 716
 717         l2fwd_crypto_options_print(options);
 718
 719         /*
 720          * Initialize previous tsc timestamp before the loop,
 721          * to avoid showing the port statistics immediately,
 722          * so user can see the crypto information.
 723          */
 724         prev_tsc = rte_rdtsc();
 725         while (1) {
 726
 727                 cur_tsc = rte_rdtsc();
 728
 729                 /*
 730                  * Crypto device/TX burst queue drain
 731                  */
 732                 diff_tsc = cur_tsc - prev_tsc;
 733                 if (unlikely(diff_tsc > drain_tsc)) {
 734                         /* Enqueue all crypto ops remaining in buffers */
 735                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 736                                 cparams = &port_cparams[i];
 737                                 len = qconf->op_buf[cparams->dev_id].len;
 738                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 739                                 qconf->op_buf[cparams->dev_id].len = 0;
 740                         }
 741                         /* Transmit all packets remaining in buffers */
 742                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 743                                 if (qconf->pkt_buf[portid].len == 0)
 744                                         continue;
 745                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 746                                                  qconf->pkt_buf[portid].len,
 747                                                  (uint8_t) portid);
 748                                 qconf->pkt_buf[portid].len = 0;
 749                         }
 750
 751                         /* if timer is enabled */
 752                         if (timer_period > 0) {
 753
 754                                 /* advance the timer */
 755                                 timer_tsc += diff_tsc;
 756
 757                                 /* if timer has reached its timeout */
 758                                 if (unlikely(timer_tsc >=
 759                                                 (uint64_t)timer_period)) {
 760
 761                                         /* do this only on master core */
 762                                         if (lcore_id == rte_get_master_lcore()
 763                                                 && options->refresh_period) {
 764                                                 print_stats();
 765                                                 timer_tsc = 0;
 766                                         }
 767                                 }
 768                         }
 769
 770                         prev_tsc = cur_tsc;
 771                 }
 772
 773                 /*
 774                  * Read packet from RX queues
 775                  */
 776                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 777                         portid = qconf->rx_port_list[i];
 778
 779                         cparams = &port_cparams[i];
 780
 781                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 782                                                  pkts_burst, MAX_PKT_BURST);
 783
 784                         port_statistics[portid].rx += nb_rx;
 785
 786                         if (nb_rx) {
 787                                 /*
 788                                  * If we can't allocate a crypto_ops, then drop
 789                                  * the rest of the burst and dequeue and
 790                                  * process the packets to free offload structs
 791                                  */
 792                                 if (rte_crypto_op_bulk_alloc(
 793                                                 l2fwd_crypto_op_pool,
 794                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 795                                                 ops_burst, nb_rx) !=
 796                                                                 nb_rx) {
 797                                         for (j = 0; j < nb_rx; j++)
 798                                                 rte_pktmbuf_free(pkts_burst[j]);
 799
 800                                         nb_rx = 0;
 801                                 }
 802
 803                                 /* Enqueue packets from Crypto device*/
 804                                 for (j = 0; j < nb_rx; j++) {
 805                                         m = pkts_burst[j];
 806
 807                                         l2fwd_simple_crypto_enqueue(m,
 808                                                         ops_burst[j], cparams);
 809                                 }
 810                         }
 811
 812                         /* Dequeue packets from Crypto device */
 813                         do {
 814                                 nb_rx = rte_cryptodev_dequeue_burst(
 815                                                 cparams->dev_id, cparams->qp_id,
 816                                                 ops_burst, MAX_PKT_BURST);
 817
 818                                 crypto_statistics[cparams->dev_id].dequeued +=
 819                                                 nb_rx;
 820
 821                                 /* Forward crypto'd packets */
 822                                 for (j = 0; j < nb_rx; j++) {
 823                                         m = ops_burst[j]->sym->m_src;
 824
 825                                         rte_crypto_op_free(ops_burst[j]);
 826                                         l2fwd_simple_forward(m, portid);
 827                                 }
 828                         } while (nb_rx == MAX_PKT_BURST);
 829                 }
 830         }
 831 }
 832
 833 static int
 834 l2fwd_launch_one_lcore(void *arg)
 835 {
 836         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 837         return 0;
 838 }
 839
 840 /* Display command line arguments usage */
 841 static void
 842 l2fwd_crypto_usage(const char *prgname)
 843 {
 844         printf("%s [EAL options] --\n"
 845                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 846                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 847                 "  -s manage all ports from single lcore\n"
 848                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 849                 " (0 to disable, 10 default, 86400 maximum)\n"
 850
 851                 "  --cdev_type HW / SW / ANY\n"
 852                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 853                 " HASH_ONLY\n"
 854
 855                 "  --cipher_algo ALGO\n"
 856                 "  --cipher_op ENCRYPT / DECRYPT\n"
 857                 "  --cipher_key KEY (bytes separated with \":\")\n"
 858                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 859                 "  --iv IV (bytes separated with \":\")\n"
 860                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 861
 862                 "  --auth_algo ALGO\n"
 863                 "  --auth_op GENERATE / VERIFY\n"
 864                 "  --auth_key KEY (bytes separated with \":\")\n"
 865                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 866                 "  --aad AAD (bytes separated with \":\")\n"
 867                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 868                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 869
 870                 "  --sessionless\n"
 871                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 872                prgname);
 873 }
 874
 875 /** Parse crypto device type command line argument */
 876 static int
 877 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 878 {
 879         if (strcmp("HW", optarg) == 0) {
 880                 *type = CDEV_TYPE_HW;
 881                 return 0;
 882         } else if (strcmp("SW", optarg) == 0) {
 883                 *type = CDEV_TYPE_SW;
 884                 return 0;
 885         } else if (strcmp("ANY", optarg) == 0) {
 886                 *type = CDEV_TYPE_ANY;
 887                 return 0;
 888         }
 889
 890         return -1;
 891 }
 892
 893 /** Parse crypto chain xform command line argument */
 894 static int
 895 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 896 {
 897         if (strcmp("CIPHER_HASH", optarg) == 0) {
 898                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 899                 return 0;
 900         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 901                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 902                 return 0;
 903         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 904                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 905                 return 0;
 906         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 907                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 908                 return 0;
 909         }
 910
 911         return -1;
 912 }
 913
 914 /** Parse crypto cipher algo option command line argument */
 915 static int
 916 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 917 {
 918
 919         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 920                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 921                                 "not supported!\n");
 922                 return -1;
 923         }
 924
 925         return 0;
 926 }
 927
 928 /** Parse crypto cipher operation command line argument */
 929 static int
 930 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 931 {
 932         if (strcmp("ENCRYPT", optarg) == 0) {
 933                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 934                 return 0;
 935         } else if (strcmp("DECRYPT", optarg) == 0) {
 936                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 937                 return 0;
 938         }
 939
 940         printf("Cipher operation not supported!\n");
 941         return -1;
 942 }
 943
 944 /** Parse crypto key command line argument */
 945 static int
 946 parse_key(uint8_t *data, char *input_arg)
 947 {
 948         unsigned byte_count;
 949         char *token;
 950
 951         for (byte_count = 0, token = strtok(input_arg, ":");
 952                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 953                         token = strtok(NULL, ":")) {
 954
 955                 int number = (int)strtol(token, NULL, 16);
 956
 957                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 958                         return -1;
 959
 960                 data[byte_count++] = (uint8_t)number;
 961         }
 962
 963         return byte_count;
 964 }
 965
 966 /** Parse size param*/
 967 static int
 968 parse_size(int *size, const char *q_arg)
 969 {
 970         char *end = NULL;
 971         unsigned long n;
 972
 973         /* parse hexadecimal string */
 974         n = strtoul(q_arg, &end, 10);
 975         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 976                 n = 0;
 977
 978         if (n == 0) {
 979                 printf("invalid size\n");
 980                 return -1;
 981         }
 982
 983         *size = n;
 984         return 0;
 985 }
 986
 987 /** Parse crypto cipher operation command line argument */
 988 static int
 989 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 990 {
 991         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 992                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 993                                 "not supported!\n");
 994                 return -1;
 995         }
 996
 997         return 0;
 998 }
 999
1000 static int
1001 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1002 {
1003         if (strcmp("VERIFY", optarg) == 0) {
1004                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1005                 return 0;
1006         } else if (strcmp("GENERATE", optarg) == 0) {
1007                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1008                 return 0;
1009         }
1010
1011         printf("Authentication operation specified not supported!\n");
1012         return -1;
1013 }
1014
1015 static int
1016 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1017                 const char *q_arg)
1018 {
1019         char *end = NULL;
1020         uint64_t pm;
1021
1022         /* parse hexadecimal string */
1023         pm = strtoul(q_arg, &end, 16);
1024         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1025                 pm = 0;
1026
1027         options->cryptodev_mask = pm;
1028         if (options->cryptodev_mask == 0) {
1029                 printf("invalid cryptodev_mask specified\n");
1030                 return -1;
1031         }
1032
1033         return 0;
1034 }
1035
1036 /** Parse long options */
1037 static int
1038 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1039                 struct option *lgopts, int option_index)
1040 {
1041         int retval;
1042
1043         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1044                 retval = parse_cryptodev_type(&options->type, optarg);
1045                 if (retval == 0)
1046                         snprintf(options->string_type, MAX_STR_LEN,
1047                                 "%s", optarg);
1048                 return retval;
1049         }
1050
1051         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1052                 return parse_crypto_opt_chain(options, optarg);
1053
1054         /* Cipher options */
1055         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1056                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1057                                 optarg);
1058
1059         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1060                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1061                                 optarg);
1062
1063         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1064                 options->ckey_param = 1;
1065                 options->cipher_xform.cipher.key.length =
1066                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1067                 if (options->cipher_xform.cipher.key.length > 0)
1068                         return 0;
1069                 else
1070                         return -1;
1071         }
1072
1073         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1074                 return parse_size(&options->ckey_random_size, optarg);
1075
1076         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1077                 options->iv_param = 1;
1078                 options->iv.length =
1079                         parse_key(options->iv.data, optarg);
1080                 if (options->iv.length > 0)
1081                         return 0;
1082                 else
1083                         return -1;
1084         }
1085
1086         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1087                 return parse_size(&options->iv_random_size, optarg);
1088
1089         /* Authentication options */
1090         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1091                 return parse_auth_algo(&options->auth_xform.auth.algo,
1092                                 optarg);
1093         }
1094
1095         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1096                 return parse_auth_op(&options->auth_xform.auth.op,
1097                                 optarg);
1098
1099         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1100                 options->akey_param = 1;
1101                 options->auth_xform.auth.key.length =
1102                         parse_key(options->auth_xform.auth.key.data, optarg);
1103                 if (options->auth_xform.auth.key.length > 0)
1104                         return 0;
1105                 else
1106                         return -1;
1107         }
1108
1109         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1110                 return parse_size(&options->akey_random_size, optarg);
1111         }
1112
1113         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1114                 options->aad_param = 1;
1115                 options->aad.length =
1116                         parse_key(options->aad.data, optarg);
1117                 if (options->aad.length > 0)
1118                         return 0;
1119                 else
1120                         return -1;
1121         }
1122
1123         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1124                 return parse_size(&options->aad_random_size, optarg);
1125         }
1126
1127         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1128                 return parse_size(&options->digest_size, optarg);
1129         }
1130
1131         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1132                 options->sessionless = 1;
1133                 return 0;
1134         }
1135
1136         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1137                 return parse_cryptodev_mask(options, optarg);
1138
1139         return -1;
1140 }
1141
1142 /** Parse port mask */
1143 static int
1144 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1145                 const char *q_arg)
1146 {
1147         char *end = NULL;
1148         unsigned long pm;
1149
1150         /* parse hexadecimal string */
1151         pm = strtoul(q_arg, &end, 16);
1152         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1153                 pm = 0;
1154
1155         options->portmask = pm;
1156         if (options->portmask == 0) {
1157                 printf("invalid portmask specified\n");
1158                 return -1;
1159         }
1160
1161         return pm;
1162 }
1163
1164 /** Parse number of queues */
1165 static int
1166 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1167                 const char *q_arg)
1168 {
1169         char *end = NULL;
1170         unsigned long n;
1171
1172         /* parse hexadecimal string */
1173         n = strtoul(q_arg, &end, 10);
1174         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1175                 n = 0;
1176         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1177                 n = 0;
1178
1179         options->nb_ports_per_lcore = n;
1180         if (options->nb_ports_per_lcore == 0) {
1181                 printf("invalid number of ports selected\n");
1182                 return -1;
1183         }
1184
1185         return 0;
1186 }
1187
1188 /** Parse timer period */
1189 static int
1190 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1191                 const char *q_arg)
1192 {
1193         char *end = NULL;
1194         unsigned long n;
1195
1196         /* parse number string */
1197         n = (unsigned)strtol(q_arg, &end, 10);
1198         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1199                 n = 0;
1200
1201         if (n >= MAX_TIMER_PERIOD) {
1202                 printf("Warning refresh period specified %lu is greater than "
1203                                 "max value %lu! using max value",
1204                                 n, MAX_TIMER_PERIOD);
1205                 n = MAX_TIMER_PERIOD;
1206         }
1207
1208         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1209
1210         return 0;
1211 }
1212
1213 /** Generate default options for application */
1214 static void
1215 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1216 {
1217         options->portmask = 0xffffffff;
1218         options->nb_ports_per_lcore = 1;
1219         options->refresh_period = 10000;
1220         options->single_lcore = 0;
1221         options->sessionless = 0;
1222
1223         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1224
1225         /* Cipher Data */
1226         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1227         options->cipher_xform.next = NULL;
1228         options->ckey_param = 0;
1229         options->ckey_random_size = -1;
1230         options->cipher_xform.cipher.key.length = 0;
1231         options->iv_param = 0;
1232         options->iv_random_size = -1;
1233         options->iv.length = 0;
1234
1235         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1236         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1237
1238         /* Authentication Data */
1239         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1240         options->auth_xform.next = NULL;
1241         options->akey_param = 0;
1242         options->akey_random_size = -1;
1243         options->auth_xform.auth.key.length = 0;
1244         options->aad_param = 0;
1245         options->aad_random_size = -1;
1246         options->aad.length = 0;
1247         options->digest_size = -1;
1248
1249         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1250         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1251
1252         options->type = CDEV_TYPE_ANY;
1253         options->cryptodev_mask = UINT64_MAX;
1254 }
1255
1256 static void
1257 display_cipher_info(struct l2fwd_crypto_options *options)
1258 {
1259         printf("\n---- Cipher information ---\n");
1260         printf("Algorithm: %s\n",
1261                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1262         rte_hexdump(stdout, "Cipher key:",
1263                         options->cipher_xform.cipher.key.data,
1264                         options->cipher_xform.cipher.key.length);
1265         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1266 }
1267
1268 static void
1269 display_auth_info(struct l2fwd_crypto_options *options)
1270 {
1271         printf("\n---- Authentication information ---\n");
1272         printf("Algorithm: %s\n",
1273                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1274         rte_hexdump(stdout, "Auth key:",
1275                         options->auth_xform.auth.key.data,
1276                         options->auth_xform.auth.key.length);
1277         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1278 }
1279
1280 static void
1281 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1282 {
1283         char string_cipher_op[MAX_STR_LEN];
1284         char string_auth_op[MAX_STR_LEN];
1285
1286         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1287                 strcpy(string_cipher_op, "Encrypt");
1288         else
1289                 strcpy(string_cipher_op, "Decrypt");
1290
1291         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1292                 strcpy(string_auth_op, "Auth generate");
1293         else
1294                 strcpy(string_auth_op, "Auth verify");
1295
1296         printf("Options:-\nn");
1297         printf("portmask: %x\n", options->portmask);
1298         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1299         printf("refresh period : %u\n", options->refresh_period);
1300         printf("single lcore mode: %s\n",
1301                         options->single_lcore ? "enabled" : "disabled");
1302         printf("stats_printing: %s\n",
1303                         options->refresh_period == 0 ? "disabled" : "enabled");
1304
1305         printf("sessionless crypto: %s\n",
1306                         options->sessionless ? "enabled" : "disabled");
1307
1308         if (options->ckey_param && (options->ckey_random_size != -1))
1309                 printf("Cipher key already parsed, ignoring size of random key\n");
1310
1311         if (options->akey_param && (options->akey_random_size != -1))
1312                 printf("Auth key already parsed, ignoring size of random key\n");
1313
1314         if (options->iv_param && (options->iv_random_size != -1))
1315                 printf("IV already parsed, ignoring size of random IV\n");
1316
1317         if (options->aad_param && (options->aad_random_size != -1))
1318                 printf("AAD already parsed, ignoring size of random AAD\n");
1319
1320         printf("\nCrypto chain: ");
1321         switch (options->xform_chain) {
1322         case L2FWD_CRYPTO_CIPHER_HASH:
1323                 printf("Input --> %s --> %s --> Output\n",
1324                         string_cipher_op, string_auth_op);
1325                 display_cipher_info(options);
1326                 display_auth_info(options);
1327                 break;
1328         case L2FWD_CRYPTO_HASH_CIPHER:
1329                 printf("Input --> %s --> %s --> Output\n",
1330                         string_auth_op, string_cipher_op);
1331                 display_cipher_info(options);
1332                 display_auth_info(options);
1333                 break;
1334         case L2FWD_CRYPTO_HASH_ONLY:
1335                 printf("Input --> %s --> Output\n", string_auth_op);
1336                 display_auth_info(options);
1337                 break;
1338         case L2FWD_CRYPTO_CIPHER_ONLY:
1339                 printf("Input --> %s --> Output\n", string_cipher_op);
1340                 display_cipher_info(options);
1341                 break;
1342         }
1343 }
1344
1345 /* Parse the argument given in the command line of the application */
1346 static int
1347 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1348                 int argc, char **argv)
1349 {
1350         int opt, retval, option_index;
1351         char **argvopt = argv, *prgname = argv[0];
1352
1353         static struct option lgopts[] = {
1354                         { "sessionless", no_argument, 0, 0 },
1355
1356                         { "cdev_type", required_argument, 0, 0 },
1357                         { "chain", required_argument, 0, 0 },
1358
1359                         { "cipher_algo", required_argument, 0, 0 },
1360                         { "cipher_op", required_argument, 0, 0 },
1361                         { "cipher_key", required_argument, 0, 0 },
1362                         { "cipher_key_random_size", required_argument, 0, 0 },
1363
1364                         { "auth_algo", required_argument, 0, 0 },
1365                         { "auth_op", required_argument, 0, 0 },
1366                         { "auth_key", required_argument, 0, 0 },
1367                         { "auth_key_random_size", required_argument, 0, 0 },
1368
1369                         { "iv", required_argument, 0, 0 },
1370                         { "iv_random_size", required_argument, 0, 0 },
1371                         { "aad", required_argument, 0, 0 },
1372                         { "aad_random_size", required_argument, 0, 0 },
1373                         { "digest_size", required_argument, 0, 0 },
1374
1375                         { "sessionless", no_argument, 0, 0 },
1376                         { "cryptodev_mask", required_argument, 0, 0},
1377
1378                         { NULL, 0, 0, 0 }
1379         };
1380
1381         l2fwd_crypto_default_options(options);
1382
1383         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1384                         &option_index)) != EOF) {
1385                 switch (opt) {
1386                 /* long options */
1387                 case 0:
1388                         retval = l2fwd_crypto_parse_args_long_options(options,
1389                                         lgopts, option_index);
1390                         if (retval < 0) {
1391                                 l2fwd_crypto_usage(prgname);
1392                                 return -1;
1393                         }
1394                         break;
1395
1396                 /* portmask */
1397                 case 'p':
1398                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1399                         if (retval < 0) {
1400                                 l2fwd_crypto_usage(prgname);
1401                                 return -1;
1402                         }
1403                         break;
1404
1405                 /* nqueue */
1406                 case 'q':
1407                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1408                         if (retval < 0) {
1409                                 l2fwd_crypto_usage(prgname);
1410                                 return -1;
1411                         }
1412                         break;
1413
1414                 /* single  */
1415                 case 's':
1416                         options->single_lcore = 1;
1417
1418                         break;
1419
1420                 /* timer period */
1421                 case 'T':
1422                         retval = l2fwd_crypto_parse_timer_period(options,
1423                                         optarg);
1424                         if (retval < 0) {
1425                                 l2fwd_crypto_usage(prgname);
1426                                 return -1;
1427                         }
1428                         break;
1429
1430                 default:
1431                         l2fwd_crypto_usage(prgname);
1432                         return -1;
1433                 }
1434         }
1435
1436
1437         if (optind >= 0)
1438                 argv[optind-1] = prgname;
1439
1440         retval = optind-1;
1441         optind = 1; /* reset getopt lib */
1442
1443         return retval;
1444 }
1445
1446 /* Check the link status of all ports in up to 9s, and print them finally */
1447 static void
1448 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1449 {
1450 #define CHECK_INTERVAL 100 /* 100ms */
1451 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1452         uint8_t portid, count, all_ports_up, print_flag = 0;
1453         struct rte_eth_link link;
1454
1455         printf("\nChecking link status");
1456         fflush(stdout);
1457         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1458                 all_ports_up = 1;
1459                 for (portid = 0; portid < port_num; portid++) {
1460                         if ((port_mask & (1 << portid)) == 0)
1461                                 continue;
1462                         memset(&link, 0, sizeof(link));
1463                         rte_eth_link_get_nowait(portid, &link);
1464                         /* print link status if flag set */
1465                         if (print_flag == 1) {
1466                                 if (link.link_status)
1467                                         printf("Port %d Link Up - speed %u "
1468                                                 "Mbps - %s\n", (uint8_t)portid,
1469                                                 (unsigned)link.link_speed,
1470                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1471                                         ("full-duplex") : ("half-duplex\n"));
1472                                 else
1473                                         printf("Port %d Link Down\n",
1474                                                 (uint8_t)portid);
1475                                 continue;
1476                         }
1477                         /* clear all_ports_up flag if any link down */
1478                         if (link.link_status == ETH_LINK_DOWN) {
1479                                 all_ports_up = 0;
1480                                 break;
1481                         }
1482                 }
1483                 /* after finally printing all link status, get out */
1484                 if (print_flag == 1)
1485                         break;
1486
1487                 if (all_ports_up == 0) {
1488                         printf(".");
1489                         fflush(stdout);
1490                         rte_delay_ms(CHECK_INTERVAL);
1491                 }
1492
1493                 /* set the print_flag if all ports up or timeout */
1494                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1495                         print_flag = 1;
1496                         printf("done\n");
1497                 }
1498         }
1499 }
1500
1501 /* Check if device has to be HW/SW or any */
1502 static int
1503 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1504 {
1505         if (options->type == CDEV_TYPE_HW &&
1506                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1507                 return 0;
1508         if (options->type == CDEV_TYPE_SW &&
1509                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1510                 return 0;
1511         if (options->type == CDEV_TYPE_ANY)
1512                 return 0;
1513
1514         return -1;
1515 }
1516
1517 /* Check if the device is enabled by cryptodev_mask */
1518 static int
1519 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1520                 uint8_t cdev_id)
1521 {
1522         if (options->cryptodev_mask & (1 << cdev_id))
1523                 return 0;
1524
1525         return -1;
1526 }
1527
1528 static inline int
1529 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1530                 uint16_t increment)
1531 {
1532         uint16_t supp_size;
1533
1534         /* Single value */
1535         if (increment == 0) {
1536                 if (length == min)
1537                         return 0;
1538                 else
1539                         return -1;
1540         }
1541
1542         /* Range of values */
1543         for (supp_size = min; supp_size <= max; supp_size += increment) {
1544                 if (length == supp_size)
1545                         return 0;
1546         }
1547
1548         return -1;
1549 }
1550 static int
1551 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1552                 uint8_t *enabled_cdevs)
1553 {
1554         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1555         const struct rte_cryptodev_capabilities *cap;
1556         enum rte_crypto_auth_algorithm cap_auth_algo;
1557         enum rte_crypto_auth_algorithm opt_auth_algo;
1558         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1559         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1560         int retval;
1561
1562         cdev_count = rte_cryptodev_count();
1563         if (cdev_count == 0) {
1564                 printf("No crypto devices available\n");
1565                 return -1;
1566         }
1567
1568         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1569                         cdev_id++) {
1570                 struct rte_cryptodev_qp_conf qp_conf;
1571                 struct rte_cryptodev_info dev_info;
1572
1573                 struct rte_cryptodev_config conf = {
1574                         .nb_queue_pairs = 1,
1575                         .socket_id = SOCKET_ID_ANY,
1576                         .session_mp = {
1577                                 .nb_objs = 2048,
1578                                 .cache_size = 64
1579                         }
1580                 };
1581
1582                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1583                         continue;
1584
1585                 rte_cryptodev_info_get(cdev_id, &dev_info);
1586
1587                 /* Set cipher parameters */
1588                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1589                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1590                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1591                         /* Check if device supports cipher algo */
1592                         i = 0;
1593                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1594                         cap = &dev_info.capabilities[i];
1595                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1596                                 cap_cipher_algo = cap->sym.cipher.algo;
1597                                 if (cap->sym.xform_type ==
1598                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1599                                         if (cap_cipher_algo == opt_cipher_algo) {
1600                                                 if (check_type(options, &dev_info) == 0)
1601                                                         break;
1602                                         }
1603                                 }
1604                                 cap = &dev_info.capabilities[++i];
1605                         }
1606
1607                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1608                                 printf("Algorithm %s not supported by cryptodev %u"
1609                                         " or device not of preferred type (%s)\n",
1610                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1611                                         cdev_id,
1612                                         options->string_type);
1613                                 continue;
1614                         }
1615
1616                         options->block_size = cap->sym.cipher.block_size;
1617                         /*
1618                          * Check if length of provided IV is supported
1619                          * by the algorithm chosen.
1620                          */
1621                         if (options->iv_param) {
1622                                 if (check_supported_size(options->iv.length,
1623                                                 cap->sym.cipher.iv_size.min,
1624                                                 cap->sym.cipher.iv_size.max,
1625                                                 cap->sym.cipher.iv_size.increment)
1626                                                         != 0) {
1627                                         printf("Unsupported IV length\n");
1628                                         return -1;
1629                                 }
1630                         /*
1631                          * Check if length of IV to be randomly generated
1632                          * is supported by the algorithm chosen.
1633                          */
1634                         } else if (options->iv_random_size != -1) {
1635                                 if (check_supported_size(options->iv_random_size,
1636                                                 cap->sym.cipher.iv_size.min,
1637                                                 cap->sym.cipher.iv_size.max,
1638                                                 cap->sym.cipher.iv_size.increment)
1639                                                         != 0) {
1640                                         printf("Unsupported IV length\n");
1641                                         return -1;
1642                                 }
1643                                 options->iv.length = options->iv_random_size;
1644                         /* No size provided, use minimum size. */
1645                         } else
1646                                 options->iv.length = cap->sym.cipher.iv_size.min;
1647
1648                         /*
1649                          * Check if length of provided cipher key is supported
1650                          * by the algorithm chosen.
1651                          */
1652                         if (options->ckey_param) {
1653                                 if (check_supported_size(
1654                                                 options->cipher_xform.cipher.key.length,
1655                                                 cap->sym.cipher.key_size.min,
1656                                                 cap->sym.cipher.key_size.max,
1657                                                 cap->sym.cipher.key_size.increment)
1658                                                         != 0) {
1659                                         printf("Unsupported cipher key length\n");
1660                                         return -1;
1661                                 }
1662                         /*
1663                          * Check if length of the cipher key to be randomly generated
1664                          * is supported by the algorithm chosen.
1665                          */
1666                         } else if (options->ckey_random_size != -1) {
1667                                 if (check_supported_size(options->ckey_random_size,
1668                                                 cap->sym.cipher.key_size.min,
1669                                                 cap->sym.cipher.key_size.max,
1670                                                 cap->sym.cipher.key_size.increment)
1671                                                         != 0) {
1672                                         printf("Unsupported cipher key length\n");
1673                                         return -1;
1674                                 }
1675                                 options->cipher_xform.cipher.key.length =
1676                                                         options->ckey_random_size;
1677                         /* No size provided, use minimum size. */
1678                         } else
1679                                 options->cipher_xform.cipher.key.length =
1680                                                 cap->sym.cipher.key_size.min;
1681
1682                         if (!options->ckey_param)
1683                                 generate_random_key(
1684                                         options->cipher_xform.cipher.key.data,
1685                                         options->cipher_xform.cipher.key.length);
1686
1687                 }
1688
1689                 /* Set auth parameters */
1690                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1691                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1692                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1693                         /* Check if device supports auth algo */
1694                         i = 0;
1695                         opt_auth_algo = options->auth_xform.auth.algo;
1696                         cap = &dev_info.capabilities[i];
1697                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1698                                 cap_auth_algo = cap->sym.auth.algo;
1699                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1700                                                 (cap_auth_algo == opt_auth_algo) &&
1701                                                 (check_type(options, &dev_info) == 0)) {
1702                                         break;
1703                                 }
1704                                 cap = &dev_info.capabilities[++i];
1705                         }
1706
1707                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1708                                 printf("Algorithm %s not supported by cryptodev %u"
1709                                         " or device not of preferred type (%s)\n",
1710                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1711                                         cdev_id,
1712                                         options->string_type);
1713                                 continue;
1714                         }
1715
1716                         /*
1717                          * Check if length of provided AAD is supported
1718                          * by the algorithm chosen.
1719                          */
1720                         if (options->aad_param) {
1721                                 if (check_supported_size(options->aad.length,
1722                                                 cap->sym.auth.aad_size.min,
1723                                                 cap->sym.auth.aad_size.max,
1724                                                 cap->sym.auth.aad_size.increment)
1725                                                         != 0) {
1726                                         printf("Unsupported AAD length\n");
1727                                         return -1;
1728                                 }
1729                         /*
1730                          * Check if length of AAD to be randomly generated
1731                          * is supported by the algorithm chosen.
1732                          */
1733                         } else if (options->aad_random_size != -1) {
1734                                 if (check_supported_size(options->aad_random_size,
1735                                                 cap->sym.auth.aad_size.min,
1736                                                 cap->sym.auth.aad_size.max,
1737                                                 cap->sym.auth.aad_size.increment)
1738                                                         != 0) {
1739                                         printf("Unsupported AAD length\n");
1740                                         return -1;
1741                                 }
1742                                 options->aad.length = options->aad_random_size;
1743                         /* No size provided, use minimum size. */
1744                         } else
1745                                 options->aad.length = cap->sym.auth.aad_size.min;
1746
1747                         options->auth_xform.auth.add_auth_data_length =
1748                                                 options->aad.length;
1749
1750                         /*
1751                          * Check if length of provided auth key is supported
1752                          * by the algorithm chosen.
1753                          */
1754                         if (options->akey_param) {
1755                                 if (check_supported_size(
1756                                                 options->auth_xform.auth.key.length,
1757                                                 cap->sym.auth.key_size.min,
1758                                                 cap->sym.auth.key_size.max,
1759                                                 cap->sym.auth.key_size.increment)
1760                                                         != 0) {
1761                                         printf("Unsupported auth key length\n");
1762                                         return -1;
1763                                 }
1764                         /*
1765                          * Check if length of the auth key to be randomly generated
1766                          * is supported by the algorithm chosen.
1767                          */
1768                         } else if (options->akey_random_size != -1) {
1769                                 if (check_supported_size(options->akey_random_size,
1770                                                 cap->sym.auth.key_size.min,
1771                                                 cap->sym.auth.key_size.max,
1772                                                 cap->sym.auth.key_size.increment)
1773                                                         != 0) {
1774                                         printf("Unsupported auth key length\n");
1775                                         return -1;
1776                                 }
1777                                 options->auth_xform.auth.key.length =
1778                                                         options->akey_random_size;
1779                         /* No size provided, use minimum size. */
1780                         } else
1781                                 options->auth_xform.auth.key.length =
1782                                                 cap->sym.auth.key_size.min;
1783
1784                         if (!options->akey_param)
1785                                 generate_random_key(
1786                                         options->auth_xform.auth.key.data,
1787                                         options->auth_xform.auth.key.length);
1788
1789                         /* Check if digest size is supported by the algorithm. */
1790                         if (options->digest_size != -1) {
1791                                 if (check_supported_size(options->digest_size,
1792                                                 cap->sym.auth.digest_size.min,
1793                                                 cap->sym.auth.digest_size.max,
1794                                                 cap->sym.auth.digest_size.increment)
1795                                                         != 0) {
1796                                         printf("Unsupported digest length\n");
1797                                         return -1;
1798                                 }
1799                                 options->auth_xform.auth.digest_length =
1800                                                         options->digest_size;
1801                         /* No size provided, use minimum size. */
1802                         } else
1803                                 options->auth_xform.auth.digest_length =
1804                                                 cap->sym.auth.digest_size.min;
1805                 }
1806
1807                 retval = rte_cryptodev_configure(cdev_id, &conf);
1808                 if (retval < 0) {
1809                         printf("Failed to configure cryptodev %u", cdev_id);
1810                         return -1;
1811                 }
1812
1813                 qp_conf.nb_descriptors = 2048;
1814
1815                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1816                                 SOCKET_ID_ANY);
1817                 if (retval < 0) {
1818                         printf("Failed to setup queue pair %u on cryptodev %u",
1819                                         0, cdev_id);
1820                         return -1;
1821                 }
1822
1823                 retval = rte_cryptodev_start(cdev_id);
1824                 if (retval < 0) {
1825                         printf("Failed to start device %u: error %d\n",
1826                                         cdev_id, retval);
1827                         return -1;
1828                 }
1829
1830                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1831
1832                 enabled_cdevs[cdev_id] = 1;
1833                 enabled_cdev_count++;
1834         }
1835
1836         return enabled_cdev_count;
1837 }
1838
1839 static int
1840 initialize_ports(struct l2fwd_crypto_options *options)
1841 {
1842         uint8_t last_portid, portid;
1843         unsigned enabled_portcount = 0;
1844         unsigned nb_ports = rte_eth_dev_count();
1845
1846         if (nb_ports == 0) {
1847                 printf("No Ethernet ports - bye\n");
1848                 return -1;
1849         }
1850
1851         /* Reset l2fwd_dst_ports */
1852         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1853                 l2fwd_dst_ports[portid] = 0;
1854
1855         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1856                 int retval;
1857
1858                 /* Skip ports that are not enabled */
1859                 if ((options->portmask & (1 << portid)) == 0)
1860                         continue;
1861
1862                 /* init port */
1863                 printf("Initializing port %u... ", (unsigned) portid);
1864                 fflush(stdout);
1865                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1866                 if (retval < 0) {
1867                         printf("Cannot configure device: err=%d, port=%u\n",
1868                                   retval, (unsigned) portid);
1869                         return -1;
1870                 }
1871
1872                 /* init one RX queue */
1873                 fflush(stdout);
1874                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1875                                              rte_eth_dev_socket_id(portid),
1876                                              NULL, l2fwd_pktmbuf_pool);
1877                 if (retval < 0) {
1878                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1879                                         retval, (unsigned) portid);
1880                         return -1;
1881                 }
1882
1883                 /* init one TX queue on each port */
1884                 fflush(stdout);
1885                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1886                                 rte_eth_dev_socket_id(portid),
1887                                 NULL);
1888                 if (retval < 0) {
1889                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1890                                 retval, (unsigned) portid);
1891
1892                         return -1;
1893                 }
1894
1895                 /* Start device */
1896                 retval = rte_eth_dev_start(portid);
1897                 if (retval < 0) {
1898                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1899                                         retval, (unsigned) portid);
1900                         return -1;
1901                 }
1902
1903                 rte_eth_promiscuous_enable(portid);
1904
1905                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1906
1907                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1908                                 (unsigned) portid,
1909                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1910                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1911                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1912                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1913                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1914                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1915
1916                 /* initialize port stats */
1917                 memset(&port_statistics, 0, sizeof(port_statistics));
1918
1919                 /* Setup port forwarding table */
1920                 if (enabled_portcount % 2) {
1921                         l2fwd_dst_ports[portid] = last_portid;
1922                         l2fwd_dst_ports[last_portid] = portid;
1923                 } else {
1924                         last_portid = portid;
1925                 }
1926
1927                 l2fwd_enabled_port_mask |= (1 << portid);
1928                 enabled_portcount++;
1929         }
1930
1931         if (enabled_portcount == 1) {
1932                 l2fwd_dst_ports[last_portid] = last_portid;
1933         } else if (enabled_portcount % 2) {
1934                 printf("odd number of ports in portmask- bye\n");
1935                 return -1;
1936         }
1937
1938         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1939
1940         return enabled_portcount;
1941 }
1942
1943 static void
1944 reserve_key_memory(struct l2fwd_crypto_options *options)
1945 {
1946         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1947                                                 MAX_KEY_SIZE, 0);
1948         if (options->cipher_xform.cipher.key.data == NULL)
1949                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1950
1951
1952         options->auth_xform.auth.key.data = rte_malloc("auth key",
1953                                                 MAX_KEY_SIZE, 0);
1954         if (options->auth_xform.auth.key.data == NULL)
1955                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1956
1957         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1958         if (options->iv.data == NULL)
1959                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1960
1961         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1962         if (options->aad.data == NULL)
1963                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1964         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1965 }
1966
1967 int
1968 main(int argc, char **argv)
1969 {
1970         struct lcore_queue_conf *qconf;
1971         struct l2fwd_crypto_options options;
1972
1973         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1974         unsigned lcore_id, rx_lcore_id;
1975         int ret, enabled_cdevcount, enabled_portcount;
1976         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1977
1978         /* init EAL */
1979         ret = rte_eal_init(argc, argv);
1980         if (ret < 0)
1981                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1982         argc -= ret;
1983         argv += ret;
1984
1985         /* reserve memory for Cipher/Auth key and IV */
1986         reserve_key_memory(&options);
1987
1988         /* parse application arguments (after the EAL ones) */
1989         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1990         if (ret < 0)
1991                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1992
1993         /* create the mbuf pool */
1994         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1995                         sizeof(struct rte_crypto_op),
1996                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1997         if (l2fwd_pktmbuf_pool == NULL)
1998                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1999
2000         /* create crypto op pool */
2001         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2002                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2003                         rte_socket_id());
2004         if (l2fwd_crypto_op_pool == NULL)
2005                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2006
2007         /* Enable Ethernet ports */
2008         enabled_portcount = initialize_ports(&options);
2009         if (enabled_portcount < 1)
2010                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2011
2012         nb_ports = rte_eth_dev_count();
2013         /* Initialize the port/queue configuration of each logical core */
2014         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2015                         portid < nb_ports; portid++) {
2016
2017                 /* skip ports that are not enabled */
2018                 if ((options.portmask & (1 << portid)) == 0)
2019                         continue;
2020
2021                 if (options.single_lcore && qconf == NULL) {
2022                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2023                                 rx_lcore_id++;
2024                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2025                                         rte_exit(EXIT_FAILURE,
2026                                                         "Not enough cores\n");
2027                         }
2028                 } else if (!options.single_lcore) {
2029                         /* get the lcore_id for this port */
2030                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2031                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2032                                options.nb_ports_per_lcore) {
2033                                 rx_lcore_id++;
2034                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2035                                         rte_exit(EXIT_FAILURE,
2036                                                         "Not enough cores\n");
2037                         }
2038                 }
2039
2040                 /* Assigned a new logical core in the loop above. */
2041                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2042                         qconf = &lcore_queue_conf[rx_lcore_id];
2043
2044                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2045                 qconf->nb_rx_ports++;
2046
2047                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2048         }
2049
2050         /* Enable Crypto devices */
2051         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2052                         enabled_cdevs);
2053         if (enabled_cdevcount < 0)
2054                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2055
2056         if (enabled_cdevcount < enabled_portcount)
2057                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2058                                 "has to be more or equal to number of ports (%d)\n",
2059                                 enabled_cdevcount, enabled_portcount);
2060
2061         nb_cryptodevs = rte_cryptodev_count();
2062
2063         /* Initialize the port/cryptodev configuration of each logical core */
2064         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2065                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2066                         cdev_id++) {
2067                 /* Crypto op not supported by crypto device */
2068                 if (!enabled_cdevs[cdev_id])
2069                         continue;
2070
2071                 if (options.single_lcore && qconf == NULL) {
2072                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2073                                 rx_lcore_id++;
2074                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2075                                         rte_exit(EXIT_FAILURE,
2076                                                         "Not enough cores\n");
2077                         }
2078                 } else if (!options.single_lcore) {
2079                         /* get the lcore_id for this port */
2080                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2081                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2082                                options.nb_ports_per_lcore) {
2083                                 rx_lcore_id++;
2084                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2085                                         rte_exit(EXIT_FAILURE,
2086                                                         "Not enough cores\n");
2087                         }
2088                 }
2089
2090                 /* Assigned a new logical core in the loop above. */
2091                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2092                         qconf = &lcore_queue_conf[rx_lcore_id];
2093
2094                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2095                 qconf->nb_crypto_devs++;
2096
2097                 enabled_cdevcount--;
2098
2099                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2100                                 (unsigned)cdev_id);
2101         }
2102
2103         /* launch per-lcore init on every lcore */
2104         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2105                         CALL_MASTER);
2106         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2107                 if (rte_eal_wait_lcore(lcore_id) < 0)
2108                         return -1;
2109         }
2110
2111         return 0;
2112 }