examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91 #define MAX_SESSIONS 32
  92 #define SESSION_POOL_CACHE_SIZE 0
  93
  94 #define MAXIMUM_IV_LENGTH       16
  95 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  96                                 sizeof(struct rte_crypto_sym_op))
  97
  98 /*
  99  * Configurable number of RX/TX ring descriptors
 100  */
 101 #define RTE_TEST_RX_DESC_DEFAULT 128
 102 #define RTE_TEST_TX_DESC_DEFAULT 512
 103
 104 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 105 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 106
 107 /* ethernet addresses of ports */
 108 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 109
 110 /* mask of enabled ports */
 111 static uint64_t l2fwd_enabled_port_mask;
 112 static uint64_t l2fwd_enabled_crypto_mask;
 113
 114 /* list of enabled ports */
 115 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 116
 117
 118 struct pkt_buffer {
 119         unsigned len;
 120         struct rte_mbuf *buffer[MAX_PKT_BURST];
 121 };
 122
 123 struct op_buffer {
 124         unsigned len;
 125         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 126 };
 127
 128 #define MAX_RX_QUEUE_PER_LCORE 16
 129 #define MAX_TX_QUEUE_PER_PORT 16
 130
 131 enum l2fwd_crypto_xform_chain {
 132         L2FWD_CRYPTO_CIPHER_HASH,
 133         L2FWD_CRYPTO_HASH_CIPHER,
 134         L2FWD_CRYPTO_CIPHER_ONLY,
 135         L2FWD_CRYPTO_HASH_ONLY,
 136         L2FWD_CRYPTO_AEAD
 137 };
 138
 139 struct l2fwd_key {
 140         uint8_t *data;
 141         uint32_t length;
 142         phys_addr_t phys_addr;
 143 };
 144
 145 struct l2fwd_iv {
 146         uint8_t *data;
 147         uint16_t length;
 148 };
 149
 150 /** l2fwd crypto application command line options */
 151 struct l2fwd_crypto_options {
 152         unsigned portmask;
 153         unsigned nb_ports_per_lcore;
 154         unsigned refresh_period;
 155         unsigned single_lcore:1;
 156
 157         enum cdev_type type;
 158         unsigned sessionless:1;
 159
 160         enum l2fwd_crypto_xform_chain xform_chain;
 161
 162         struct rte_crypto_sym_xform cipher_xform;
 163         unsigned ckey_param;
 164         int ckey_random_size;
 165
 166         struct l2fwd_iv cipher_iv;
 167         unsigned int cipher_iv_param;
 168         int cipher_iv_random_size;
 169
 170         struct rte_crypto_sym_xform auth_xform;
 171         uint8_t akey_param;
 172         int akey_random_size;
 173
 174         struct l2fwd_iv auth_iv;
 175         unsigned int auth_iv_param;
 176         int auth_iv_random_size;
 177
 178         struct rte_crypto_sym_xform aead_xform;
 179         unsigned int aead_key_param;
 180         int aead_key_random_size;
 181
 182         struct l2fwd_iv aead_iv;
 183         unsigned int aead_iv_param;
 184         int aead_iv_random_size;
 185
 186         struct l2fwd_key aad;
 187         unsigned aad_param;
 188         int aad_random_size;
 189
 190         int digest_size;
 191
 192         uint16_t block_size;
 193         char string_type[MAX_STR_LEN];
 194
 195         uint64_t cryptodev_mask;
 196 };
 197
 198 /** l2fwd crypto lcore params */
 199 struct l2fwd_crypto_params {
 200         uint8_t dev_id;
 201         uint8_t qp_id;
 202
 203         unsigned digest_length;
 204         unsigned block_size;
 205
 206         struct l2fwd_iv cipher_iv;
 207         struct l2fwd_iv auth_iv;
 208         struct l2fwd_iv aead_iv;
 209         struct l2fwd_key aad;
 210         struct rte_cryptodev_sym_session *session;
 211
 212         uint8_t do_cipher;
 213         uint8_t do_hash;
 214         uint8_t do_aead;
 215         uint8_t hash_verify;
 216
 217         enum rte_crypto_cipher_algorithm cipher_algo;
 218         enum rte_crypto_auth_algorithm auth_algo;
 219         enum rte_crypto_aead_algorithm aead_algo;
 220 };
 221
 222 /** lcore configuration */
 223 struct lcore_queue_conf {
 224         unsigned nb_rx_ports;
 225         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 226
 227         unsigned nb_crypto_devs;
 228         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 229
 230         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 231         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 232 } __rte_cache_aligned;
 233
 234 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 235
 236 static const struct rte_eth_conf port_conf = {
 237         .rxmode = {
 238                 .mq_mode = ETH_MQ_RX_NONE,
 239                 .max_rx_pkt_len = ETHER_MAX_LEN,
 240                 .split_hdr_size = 0,
 241                 .header_split   = 0, /**< Header Split disabled */
 242                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 243                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 244                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 245                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 246         },
 247         .txmode = {
 248                 .mq_mode = ETH_MQ_TX_NONE,
 249         },
 250 };
 251
 252 struct rte_mempool *l2fwd_pktmbuf_pool;
 253 struct rte_mempool *l2fwd_crypto_op_pool;
 254 struct rte_mempool *session_pool_socket[RTE_MAX_NUMA_NODES] = { 0 };
 255
 256 /* Per-port statistics struct */
 257 struct l2fwd_port_statistics {
 258         uint64_t tx;
 259         uint64_t rx;
 260
 261         uint64_t crypto_enqueued;
 262         uint64_t crypto_dequeued;
 263
 264         uint64_t dropped;
 265 } __rte_cache_aligned;
 266
 267 struct l2fwd_crypto_statistics {
 268         uint64_t enqueued;
 269         uint64_t dequeued;
 270
 271         uint64_t errors;
 272 } __rte_cache_aligned;
 273
 274 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 275 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 276
 277 /* A tsc-based timer responsible for triggering statistics printout */
 278 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 279 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 280
 281 /* default period is 10 seconds */
 282 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 283
 284 /* Print out statistics on packets dropped */
 285 static void
 286 print_stats(void)
 287 {
 288         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 289         uint64_t total_packets_enqueued, total_packets_dequeued,
 290                 total_packets_errors;
 291         unsigned portid;
 292         uint64_t cdevid;
 293
 294         total_packets_dropped = 0;
 295         total_packets_tx = 0;
 296         total_packets_rx = 0;
 297         total_packets_enqueued = 0;
 298         total_packets_dequeued = 0;
 299         total_packets_errors = 0;
 300
 301         const char clr[] = { 27, '[', '2', 'J', '\0' };
 302         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 303
 304                 /* Clear screen and move to top left */
 305         printf("%s%s", clr, topLeft);
 306
 307         printf("\nPort statistics ====================================");
 308
 309         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 310                 /* skip disabled ports */
 311                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 312                         continue;
 313                 printf("\nStatistics for port %u ------------------------------"
 314                            "\nPackets sent: %32"PRIu64
 315                            "\nPackets received: %28"PRIu64
 316                            "\nPackets dropped: %29"PRIu64,
 317                            portid,
 318                            port_statistics[portid].tx,
 319                            port_statistics[portid].rx,
 320                            port_statistics[portid].dropped);
 321
 322                 total_packets_dropped += port_statistics[portid].dropped;
 323                 total_packets_tx += port_statistics[portid].tx;
 324                 total_packets_rx += port_statistics[portid].rx;
 325         }
 326         printf("\nCrypto statistics ==================================");
 327
 328         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 329                 /* skip disabled ports */
 330                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 331                         continue;
 332                 printf("\nStatistics for cryptodev %"PRIu64
 333                                 " -------------------------"
 334                            "\nPackets enqueued: %28"PRIu64
 335                            "\nPackets dequeued: %28"PRIu64
 336                            "\nPackets errors: %30"PRIu64,
 337                            cdevid,
 338                            crypto_statistics[cdevid].enqueued,
 339                            crypto_statistics[cdevid].dequeued,
 340                            crypto_statistics[cdevid].errors);
 341
 342                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 343                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 344                 total_packets_errors += crypto_statistics[cdevid].errors;
 345         }
 346         printf("\nAggregate statistics ==============================="
 347                    "\nTotal packets received: %22"PRIu64
 348                    "\nTotal packets enqueued: %22"PRIu64
 349                    "\nTotal packets dequeued: %22"PRIu64
 350                    "\nTotal packets sent: %26"PRIu64
 351                    "\nTotal packets dropped: %23"PRIu64
 352                    "\nTotal packets crypto errors: %17"PRIu64,
 353                    total_packets_rx,
 354                    total_packets_enqueued,
 355                    total_packets_dequeued,
 356                    total_packets_tx,
 357                    total_packets_dropped,
 358                    total_packets_errors);
 359         printf("\n====================================================\n");
 360 }
 361
 362 static int
 363 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 364                 struct l2fwd_crypto_params *cparams)
 365 {
 366         struct rte_crypto_op **op_buffer;
 367         unsigned ret;
 368
 369         op_buffer = (struct rte_crypto_op **)
 370                         qconf->op_buf[cparams->dev_id].buffer;
 371
 372         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 373                         cparams->qp_id, op_buffer, (uint16_t) n);
 374
 375         crypto_statistics[cparams->dev_id].enqueued += ret;
 376         if (unlikely(ret < n)) {
 377                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 378                 do {
 379                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 380                         rte_crypto_op_free(op_buffer[ret]);
 381                 } while (++ret < n);
 382         }
 383
 384         return 0;
 385 }
 386
 387 static int
 388 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 389                 struct l2fwd_crypto_params *cparams)
 390 {
 391         unsigned lcore_id, len;
 392         struct lcore_queue_conf *qconf;
 393
 394         lcore_id = rte_lcore_id();
 395
 396         qconf = &lcore_queue_conf[lcore_id];
 397         len = qconf->op_buf[cparams->dev_id].len;
 398         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 399         len++;
 400
 401         /* enough ops to be sent */
 402         if (len == MAX_PKT_BURST) {
 403                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 404                 len = 0;
 405         }
 406
 407         qconf->op_buf[cparams->dev_id].len = len;
 408         return 0;
 409 }
 410
 411 static int
 412 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 413                 struct rte_crypto_op *op,
 414                 struct l2fwd_crypto_params *cparams)
 415 {
 416         struct ether_hdr *eth_hdr;
 417         struct ipv4_hdr *ip_hdr;
 418
 419         uint32_t ipdata_offset, data_len;
 420         uint32_t pad_len = 0;
 421         char *padding;
 422
 423         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 424
 425         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 426                 return -1;
 427
 428         ipdata_offset = sizeof(struct ether_hdr);
 429
 430         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 431                         ipdata_offset);
 432
 433         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 434                         * IPV4_IHL_MULTIPLIER;
 435
 436
 437         /* Zero pad data to be crypto'd so it is block aligned */
 438         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 439
 440         if (cparams->do_hash && cparams->hash_verify)
 441                 data_len -= cparams->digest_length;
 442
 443         if (cparams->do_cipher) {
 444                 /*
 445                  * Following algorithms are block cipher algorithms,
 446                  * and might need padding
 447                  */
 448                 switch (cparams->cipher_algo) {
 449                 case RTE_CRYPTO_CIPHER_AES_CBC:
 450                 case RTE_CRYPTO_CIPHER_AES_ECB:
 451                 case RTE_CRYPTO_CIPHER_DES_CBC:
 452                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 453                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 454                         if (data_len % cparams->block_size)
 455                                 pad_len = cparams->block_size -
 456                                         (data_len % cparams->block_size);
 457                         break;
 458                 default:
 459                         pad_len = 0;
 460                 }
 461
 462                 if (pad_len) {
 463                         padding = rte_pktmbuf_append(m, pad_len);
 464                         if (unlikely(!padding))
 465                                 return -1;
 466
 467                         data_len += pad_len;
 468                         memset(padding, 0, pad_len);
 469                 }
 470         }
 471
 472         /* Set crypto operation data parameters */
 473         rte_crypto_op_attach_sym_session(op, cparams->session);
 474
 475         if (cparams->do_hash) {
 476                 if (cparams->auth_iv.length) {
 477                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 478                                                 uint8_t *,
 479                                                 IV_OFFSET +
 480                                                 cparams->cipher_iv.length);
 481                         /*
 482                          * Copy IV at the end of the crypto operation,
 483                          * after the cipher IV, if added
 484                          */
 485                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 486                                         cparams->auth_iv.length);
 487                 }
 488                 if (!cparams->hash_verify) {
 489                         /* Append space for digest to end of packet */
 490                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 491                                 cparams->digest_length);
 492                 } else {
 493                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 494                                 uint8_t *) + ipdata_offset + data_len;
 495                 }
 496
 497                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 498                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 499
 500                 /* For wireless algorithms, offset/length must be in bits */
 501                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 502                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 503                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 504                         op->sym->auth.data.offset = ipdata_offset << 3;
 505                         op->sym->auth.data.length = data_len << 3;
 506                 } else {
 507                         op->sym->auth.data.offset = ipdata_offset;
 508                         op->sym->auth.data.length = data_len;
 509                 }
 510         }
 511
 512         if (cparams->do_cipher) {
 513                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 514                                                         IV_OFFSET);
 515                 /* Copy IV at the end of the crypto operation */
 516                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 517                                 cparams->cipher_iv.length);
 518
 519                 /* For wireless algorithms, offset/length must be in bits */
 520                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 521                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 522                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 523                         op->sym->cipher.data.offset = ipdata_offset << 3;
 524                         op->sym->cipher.data.length = data_len << 3;
 525                 } else {
 526                         op->sym->cipher.data.offset = ipdata_offset;
 527                         op->sym->cipher.data.length = data_len;
 528                 }
 529         }
 530
 531         if (cparams->do_aead) {
 532                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 533                                                         IV_OFFSET);
 534                 /* Copy IV at the end of the crypto operation */
 535                 rte_memcpy(iv_ptr, cparams->aead_iv.data, cparams->aead_iv.length);
 536
 537                 op->sym->aead.data.offset = ipdata_offset;
 538                 op->sym->aead.data.length = data_len;
 539
 540                 if (!cparams->hash_verify) {
 541                         /* Append space for digest to end of packet */
 542                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 543                                 cparams->digest_length);
 544                 } else {
 545                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 546                                 uint8_t *) + ipdata_offset + data_len;
 547                 }
 548
 549                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 550                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 551
 552                 if (cparams->aad.length) {
 553                         op->sym->aead.aad.data = cparams->aad.data;
 554                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 555                 }
 556         }
 557
 558         op->sym->m_src = m;
 559
 560         return l2fwd_crypto_enqueue(op, cparams);
 561 }
 562
 563
 564 /* Send the burst of packets on an output interface */
 565 static int
 566 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 567                 uint8_t port)
 568 {
 569         struct rte_mbuf **pkt_buffer;
 570         unsigned ret;
 571
 572         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 573
 574         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 575         port_statistics[port].tx += ret;
 576         if (unlikely(ret < n)) {
 577                 port_statistics[port].dropped += (n - ret);
 578                 do {
 579                         rte_pktmbuf_free(pkt_buffer[ret]);
 580                 } while (++ret < n);
 581         }
 582
 583         return 0;
 584 }
 585
 586 /* Enqueue packets for TX and prepare them to be sent */
 587 static int
 588 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 589 {
 590         unsigned lcore_id, len;
 591         struct lcore_queue_conf *qconf;
 592
 593         lcore_id = rte_lcore_id();
 594
 595         qconf = &lcore_queue_conf[lcore_id];
 596         len = qconf->pkt_buf[port].len;
 597         qconf->pkt_buf[port].buffer[len] = m;
 598         len++;
 599
 600         /* enough pkts to be sent */
 601         if (unlikely(len == MAX_PKT_BURST)) {
 602                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 603                 len = 0;
 604         }
 605
 606         qconf->pkt_buf[port].len = len;
 607         return 0;
 608 }
 609
 610 static void
 611 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 612 {
 613         struct ether_hdr *eth;
 614         void *tmp;
 615         unsigned dst_port;
 616
 617         dst_port = l2fwd_dst_ports[portid];
 618         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 619
 620         /* 02:00:00:00:00:xx */
 621         tmp = &eth->d_addr.addr_bytes[0];
 622         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 623
 624         /* src addr */
 625         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 626
 627         l2fwd_send_packet(m, (uint8_t) dst_port);
 628 }
 629
 630 /** Generate random key */
 631 static void
 632 generate_random_key(uint8_t *key, unsigned length)
 633 {
 634         int fd;
 635         int ret;
 636
 637         fd = open("/dev/urandom", O_RDONLY);
 638         if (fd < 0)
 639                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 640
 641         ret = read(fd, key, length);
 642         close(fd);
 643
 644         if (ret != (signed)length)
 645                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 646 }
 647
 648 static struct rte_cryptodev_sym_session *
 649 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 650 {
 651         struct rte_crypto_sym_xform *first_xform;
 652
 653         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 654                 first_xform = &options->aead_xform;
 655         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 656                 first_xform = &options->cipher_xform;
 657                 first_xform->next = &options->auth_xform;
 658         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 659                 first_xform = &options->auth_xform;
 660                 first_xform->next = &options->cipher_xform;
 661         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 662                 first_xform = &options->cipher_xform;
 663         } else {
 664                 first_xform = &options->auth_xform;
 665         }
 666
 667         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 668 }
 669
 670 static void
 671 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 672
 673 /* main processing loop */
 674 static void
 675 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 676 {
 677         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 678         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 679
 680         unsigned lcore_id = rte_lcore_id();
 681         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 682         unsigned i, j, portid, nb_rx, len;
 683         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 684         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 685                         US_PER_S * BURST_TX_DRAIN_US;
 686         struct l2fwd_crypto_params *cparams;
 687         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 688         struct rte_cryptodev_sym_session *session;
 689
 690         if (qconf->nb_rx_ports == 0) {
 691                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 692                 return;
 693         }
 694
 695         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 696
 697         for (i = 0; i < qconf->nb_rx_ports; i++) {
 698
 699                 portid = qconf->rx_port_list[i];
 700                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 701                         portid);
 702         }
 703
 704         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 705                 port_cparams[i].do_cipher = 0;
 706                 port_cparams[i].do_hash = 0;
 707                 port_cparams[i].do_aead = 0;
 708
 709                 switch (options->xform_chain) {
 710                 case L2FWD_CRYPTO_AEAD:
 711                         port_cparams[i].do_aead = 1;
 712                         break;
 713                 case L2FWD_CRYPTO_CIPHER_HASH:
 714                 case L2FWD_CRYPTO_HASH_CIPHER:
 715                         port_cparams[i].do_cipher = 1;
 716                         port_cparams[i].do_hash = 1;
 717                         break;
 718                 case L2FWD_CRYPTO_HASH_ONLY:
 719                         port_cparams[i].do_hash = 1;
 720                         break;
 721                 case L2FWD_CRYPTO_CIPHER_ONLY:
 722                         port_cparams[i].do_cipher = 1;
 723                         break;
 724                 }
 725
 726                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 727                 port_cparams[i].qp_id = 0;
 728
 729                 port_cparams[i].block_size = options->block_size;
 730
 731                 if (port_cparams[i].do_hash) {
 732                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 733                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 734                         if (!options->auth_iv_param)
 735                                 generate_random_key(port_cparams[i].auth_iv.data,
 736                                                 port_cparams[i].auth_iv.length);
 737                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 738                                 port_cparams[i].hash_verify = 1;
 739                         else
 740                                 port_cparams[i].hash_verify = 0;
 741
 742                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 743                         /* Set IV parameters */
 744                         if (options->auth_iv.length) {
 745                                 options->auth_xform.auth.iv.offset =
 746                                         IV_OFFSET + options->cipher_iv.length;
 747                                 options->auth_xform.auth.iv.length =
 748                                         options->auth_iv.length;
 749                         }
 750                 }
 751
 752                 if (port_cparams[i].do_aead) {
 753                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 754                         port_cparams[i].digest_length =
 755                                         options->aead_xform.aead.digest_length;
 756                         if (options->aead_xform.aead.add_auth_data_length) {
 757                                 port_cparams[i].aad.data = options->aad.data;
 758                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 759                                 port_cparams[i].aad.length = options->aad.length;
 760                                 if (!options->aad_param)
 761                                         generate_random_key(port_cparams[i].aad.data,
 762                                                 port_cparams[i].aad.length);
 763
 764                         } else
 765                                 port_cparams[i].aad.length = 0;
 766
 767                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 768                                 port_cparams[i].hash_verify = 1;
 769                         else
 770                                 port_cparams[i].hash_verify = 0;
 771
 772                         /* Set IV parameters */
 773                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 774                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 775                 }
 776
 777                 if (port_cparams[i].do_cipher) {
 778                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 779                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 780                         if (!options->cipher_iv_param)
 781                                 generate_random_key(port_cparams[i].cipher_iv.data,
 782                                                 port_cparams[i].cipher_iv.length);
 783
 784                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 785                         /* Set IV parameters */
 786                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 787                         options->cipher_xform.cipher.iv.length =
 788                                                 options->cipher_iv.length;
 789                 }
 790
 791                 session = initialize_crypto_session(options,
 792                                 port_cparams[i].dev_id);
 793                 if (session == NULL)
 794                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 795
 796                 port_cparams[i].session = session;
 797
 798                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 799                                 port_cparams[i].dev_id);
 800         }
 801
 802         l2fwd_crypto_options_print(options);
 803
 804         /*
 805          * Initialize previous tsc timestamp before the loop,
 806          * to avoid showing the port statistics immediately,
 807          * so user can see the crypto information.
 808          */
 809         prev_tsc = rte_rdtsc();
 810         while (1) {
 811
 812                 cur_tsc = rte_rdtsc();
 813
 814                 /*
 815                  * Crypto device/TX burst queue drain
 816                  */
 817                 diff_tsc = cur_tsc - prev_tsc;
 818                 if (unlikely(diff_tsc > drain_tsc)) {
 819                         /* Enqueue all crypto ops remaining in buffers */
 820                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 821                                 cparams = &port_cparams[i];
 822                                 len = qconf->op_buf[cparams->dev_id].len;
 823                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 824                                 qconf->op_buf[cparams->dev_id].len = 0;
 825                         }
 826                         /* Transmit all packets remaining in buffers */
 827                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 828                                 if (qconf->pkt_buf[portid].len == 0)
 829                                         continue;
 830                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 831                                                  qconf->pkt_buf[portid].len,
 832                                                  (uint8_t) portid);
 833                                 qconf->pkt_buf[portid].len = 0;
 834                         }
 835
 836                         /* if timer is enabled */
 837                         if (timer_period > 0) {
 838
 839                                 /* advance the timer */
 840                                 timer_tsc += diff_tsc;
 841
 842                                 /* if timer has reached its timeout */
 843                                 if (unlikely(timer_tsc >=
 844                                                 (uint64_t)timer_period)) {
 845
 846                                         /* do this only on master core */
 847                                         if (lcore_id == rte_get_master_lcore()
 848                                                 && options->refresh_period) {
 849                                                 print_stats();
 850                                                 timer_tsc = 0;
 851                                         }
 852                                 }
 853                         }
 854
 855                         prev_tsc = cur_tsc;
 856                 }
 857
 858                 /*
 859                  * Read packet from RX queues
 860                  */
 861                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 862                         portid = qconf->rx_port_list[i];
 863
 864                         cparams = &port_cparams[i];
 865
 866                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 867                                                  pkts_burst, MAX_PKT_BURST);
 868
 869                         port_statistics[portid].rx += nb_rx;
 870
 871                         if (nb_rx) {
 872                                 /*
 873                                  * If we can't allocate a crypto_ops, then drop
 874                                  * the rest of the burst and dequeue and
 875                                  * process the packets to free offload structs
 876                                  */
 877                                 if (rte_crypto_op_bulk_alloc(
 878                                                 l2fwd_crypto_op_pool,
 879                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 880                                                 ops_burst, nb_rx) !=
 881                                                                 nb_rx) {
 882                                         for (j = 0; j < nb_rx; j++)
 883                                                 rte_pktmbuf_free(pkts_burst[j]);
 884
 885                                         nb_rx = 0;
 886                                 }
 887
 888                                 /* Enqueue packets from Crypto device*/
 889                                 for (j = 0; j < nb_rx; j++) {
 890                                         m = pkts_burst[j];
 891
 892                                         l2fwd_simple_crypto_enqueue(m,
 893                                                         ops_burst[j], cparams);
 894                                 }
 895                         }
 896
 897                         /* Dequeue packets from Crypto device */
 898                         do {
 899                                 nb_rx = rte_cryptodev_dequeue_burst(
 900                                                 cparams->dev_id, cparams->qp_id,
 901                                                 ops_burst, MAX_PKT_BURST);
 902
 903                                 crypto_statistics[cparams->dev_id].dequeued +=
 904                                                 nb_rx;
 905
 906                                 /* Forward crypto'd packets */
 907                                 for (j = 0; j < nb_rx; j++) {
 908                                         m = ops_burst[j]->sym->m_src;
 909
 910                                         rte_crypto_op_free(ops_burst[j]);
 911                                         l2fwd_simple_forward(m, portid);
 912                                 }
 913                         } while (nb_rx == MAX_PKT_BURST);
 914                 }
 915         }
 916 }
 917
 918 static int
 919 l2fwd_launch_one_lcore(void *arg)
 920 {
 921         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 922         return 0;
 923 }
 924
 925 /* Display command line arguments usage */
 926 static void
 927 l2fwd_crypto_usage(const char *prgname)
 928 {
 929         printf("%s [EAL options] --\n"
 930                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 931                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 932                 "  -s manage all ports from single lcore\n"
 933                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 934                 " (0 to disable, 10 default, 86400 maximum)\n"
 935
 936                 "  --cdev_type HW / SW / ANY\n"
 937                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 938                 " HASH_ONLY / AEAD\n"
 939
 940                 "  --cipher_algo ALGO\n"
 941                 "  --cipher_op ENCRYPT / DECRYPT\n"
 942                 "  --cipher_key KEY (bytes separated with \":\")\n"
 943                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 944                 "  --cipher_iv IV (bytes separated with \":\")\n"
 945                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 946
 947                 "  --auth_algo ALGO\n"
 948                 "  --auth_op GENERATE / VERIFY\n"
 949                 "  --auth_key KEY (bytes separated with \":\")\n"
 950                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 951                 "  --auth_iv IV (bytes separated with \":\")\n"
 952                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 953
 954                 "  --aead_algo ALGO\n"
 955                 "  --aead_op ENCRYPT / DECRYPT\n"
 956                 "  --aead_key KEY (bytes separated with \":\")\n"
 957                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 958                 "  --aead_iv IV (bytes separated with \":\")\n"
 959                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 960                 "  --aad AAD (bytes separated with \":\")\n"
 961                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 962
 963                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 964
 965                 "  --sessionless\n"
 966                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 967                prgname);
 968 }
 969
 970 /** Parse crypto device type command line argument */
 971 static int
 972 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 973 {
 974         if (strcmp("HW", optarg) == 0) {
 975                 *type = CDEV_TYPE_HW;
 976                 return 0;
 977         } else if (strcmp("SW", optarg) == 0) {
 978                 *type = CDEV_TYPE_SW;
 979                 return 0;
 980         } else if (strcmp("ANY", optarg) == 0) {
 981                 *type = CDEV_TYPE_ANY;
 982                 return 0;
 983         }
 984
 985         return -1;
 986 }
 987
 988 /** Parse crypto chain xform command line argument */
 989 static int
 990 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 991 {
 992         if (strcmp("CIPHER_HASH", optarg) == 0) {
 993                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 994                 return 0;
 995         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 996                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 997                 return 0;
 998         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 999                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1000                 return 0;
1001         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1002                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1003                 return 0;
1004         } else if (strcmp("AEAD", optarg) == 0) {
1005                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1006                 return 0;
1007         }
1008
1009         return -1;
1010 }
1011
1012 /** Parse crypto cipher algo option command line argument */
1013 static int
1014 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1015 {
1016
1017         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1018                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1019                                 "not supported!\n");
1020                 return -1;
1021         }
1022
1023         return 0;
1024 }
1025
1026 /** Parse crypto cipher operation command line argument */
1027 static int
1028 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1029 {
1030         if (strcmp("ENCRYPT", optarg) == 0) {
1031                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1032                 return 0;
1033         } else if (strcmp("DECRYPT", optarg) == 0) {
1034                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1035                 return 0;
1036         }
1037
1038         printf("Cipher operation not supported!\n");
1039         return -1;
1040 }
1041
1042 /** Parse crypto key command line argument */
1043 static int
1044 parse_key(uint8_t *data, char *input_arg)
1045 {
1046         unsigned byte_count;
1047         char *token;
1048
1049         for (byte_count = 0, token = strtok(input_arg, ":");
1050                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
1051                         token = strtok(NULL, ":")) {
1052
1053                 int number = (int)strtol(token, NULL, 16);
1054
1055                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1056                         return -1;
1057
1058                 data[byte_count++] = (uint8_t)number;
1059         }
1060
1061         return byte_count;
1062 }
1063
1064 /** Parse size param*/
1065 static int
1066 parse_size(int *size, const char *q_arg)
1067 {
1068         char *end = NULL;
1069         unsigned long n;
1070
1071         /* parse hexadecimal string */
1072         n = strtoul(q_arg, &end, 10);
1073         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1074                 n = 0;
1075
1076         if (n == 0) {
1077                 printf("invalid size\n");
1078                 return -1;
1079         }
1080
1081         *size = n;
1082         return 0;
1083 }
1084
1085 /** Parse crypto cipher operation command line argument */
1086 static int
1087 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1088 {
1089         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1090                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1091                                 "not supported!\n");
1092                 return -1;
1093         }
1094
1095         return 0;
1096 }
1097
1098 static int
1099 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1100 {
1101         if (strcmp("VERIFY", optarg) == 0) {
1102                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1103                 return 0;
1104         } else if (strcmp("GENERATE", optarg) == 0) {
1105                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1106                 return 0;
1107         }
1108
1109         printf("Authentication operation specified not supported!\n");
1110         return -1;
1111 }
1112
1113 static int
1114 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1115 {
1116         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1117                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1118                                 "not supported!\n");
1119                 return -1;
1120         }
1121
1122         return 0;
1123 }
1124
1125 static int
1126 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1127 {
1128         if (strcmp("ENCRYPT", optarg) == 0) {
1129                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1130                 return 0;
1131         } else if (strcmp("DECRYPT", optarg) == 0) {
1132                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1133                 return 0;
1134         }
1135
1136         printf("AEAD operation specified not supported!\n");
1137         return -1;
1138 }
1139 static int
1140 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1141                 const char *q_arg)
1142 {
1143         char *end = NULL;
1144         uint64_t pm;
1145
1146         /* parse hexadecimal string */
1147         pm = strtoul(q_arg, &end, 16);
1148         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1149                 pm = 0;
1150
1151         options->cryptodev_mask = pm;
1152         if (options->cryptodev_mask == 0) {
1153                 printf("invalid cryptodev_mask specified\n");
1154                 return -1;
1155         }
1156
1157         return 0;
1158 }
1159
1160 /** Parse long options */
1161 static int
1162 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1163                 struct option *lgopts, int option_index)
1164 {
1165         int retval;
1166
1167         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1168                 retval = parse_cryptodev_type(&options->type, optarg);
1169                 if (retval == 0)
1170                         snprintf(options->string_type, MAX_STR_LEN,
1171                                 "%s", optarg);
1172                 return retval;
1173         }
1174
1175         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1176                 return parse_crypto_opt_chain(options, optarg);
1177
1178         /* Cipher options */
1179         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1180                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1181                                 optarg);
1182
1183         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1184                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1185                                 optarg);
1186
1187         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1188                 options->ckey_param = 1;
1189                 options->cipher_xform.cipher.key.length =
1190                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1191                 if (options->cipher_xform.cipher.key.length > 0)
1192                         return 0;
1193                 else
1194                         return -1;
1195         }
1196
1197         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1198                 return parse_size(&options->ckey_random_size, optarg);
1199
1200         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1201                 options->cipher_iv_param = 1;
1202                 options->cipher_iv.length =
1203                         parse_key(options->cipher_iv.data, optarg);
1204                 if (options->cipher_iv.length > 0)
1205                         return 0;
1206                 else
1207                         return -1;
1208         }
1209
1210         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1211                 return parse_size(&options->cipher_iv_random_size, optarg);
1212
1213         /* Authentication options */
1214         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1215                 return parse_auth_algo(&options->auth_xform.auth.algo,
1216                                 optarg);
1217         }
1218
1219         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1220                 return parse_auth_op(&options->auth_xform.auth.op,
1221                                 optarg);
1222
1223         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1224                 options->akey_param = 1;
1225                 options->auth_xform.auth.key.length =
1226                         parse_key(options->auth_xform.auth.key.data, optarg);
1227                 if (options->auth_xform.auth.key.length > 0)
1228                         return 0;
1229                 else
1230                         return -1;
1231         }
1232
1233         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1234                 return parse_size(&options->akey_random_size, optarg);
1235         }
1236
1237         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1238                 options->auth_iv_param = 1;
1239                 options->auth_iv.length =
1240                         parse_key(options->auth_iv.data, optarg);
1241                 if (options->auth_iv.length > 0)
1242                         return 0;
1243                 else
1244                         return -1;
1245         }
1246
1247         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1248                 return parse_size(&options->auth_iv_random_size, optarg);
1249
1250         /* AEAD options */
1251         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1252                 return parse_aead_algo(&options->aead_xform.aead.algo,
1253                                 optarg);
1254         }
1255
1256         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1257                 return parse_aead_op(&options->aead_xform.aead.op,
1258                                 optarg);
1259
1260         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1261                 options->aead_key_param = 1;
1262                 options->aead_xform.aead.key.length =
1263                         parse_key(options->aead_xform.aead.key.data, optarg);
1264                 if (options->aead_xform.aead.key.length > 0)
1265                         return 0;
1266                 else
1267                         return -1;
1268         }
1269
1270         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1271                 return parse_size(&options->aead_key_random_size, optarg);
1272
1273
1274         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1275                 options->aead_iv_param = 1;
1276                 options->aead_iv.length =
1277                         parse_key(options->aead_iv.data, optarg);
1278                 if (options->aead_iv.length > 0)
1279                         return 0;
1280                 else
1281                         return -1;
1282         }
1283
1284         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1285                 return parse_size(&options->aead_iv_random_size, optarg);
1286
1287         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1288                 options->aad_param = 1;
1289                 options->aad.length =
1290                         parse_key(options->aad.data, optarg);
1291                 if (options->aad.length > 0)
1292                         return 0;
1293                 else
1294                         return -1;
1295         }
1296
1297         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1298                 return parse_size(&options->aad_random_size, optarg);
1299         }
1300
1301         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1302                 return parse_size(&options->digest_size, optarg);
1303         }
1304
1305         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1306                 options->sessionless = 1;
1307                 return 0;
1308         }
1309
1310         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1311                 return parse_cryptodev_mask(options, optarg);
1312
1313         return -1;
1314 }
1315
1316 /** Parse port mask */
1317 static int
1318 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1319                 const char *q_arg)
1320 {
1321         char *end = NULL;
1322         unsigned long pm;
1323
1324         /* parse hexadecimal string */
1325         pm = strtoul(q_arg, &end, 16);
1326         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1327                 pm = 0;
1328
1329         options->portmask = pm;
1330         if (options->portmask == 0) {
1331                 printf("invalid portmask specified\n");
1332                 return -1;
1333         }
1334
1335         return pm;
1336 }
1337
1338 /** Parse number of queues */
1339 static int
1340 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1341                 const char *q_arg)
1342 {
1343         char *end = NULL;
1344         unsigned long n;
1345
1346         /* parse hexadecimal string */
1347         n = strtoul(q_arg, &end, 10);
1348         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1349                 n = 0;
1350         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1351                 n = 0;
1352
1353         options->nb_ports_per_lcore = n;
1354         if (options->nb_ports_per_lcore == 0) {
1355                 printf("invalid number of ports selected\n");
1356                 return -1;
1357         }
1358
1359         return 0;
1360 }
1361
1362 /** Parse timer period */
1363 static int
1364 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1365                 const char *q_arg)
1366 {
1367         char *end = NULL;
1368         unsigned long n;
1369
1370         /* parse number string */
1371         n = (unsigned)strtol(q_arg, &end, 10);
1372         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1373                 n = 0;
1374
1375         if (n >= MAX_TIMER_PERIOD) {
1376                 printf("Warning refresh period specified %lu is greater than "
1377                                 "max value %lu! using max value",
1378                                 n, MAX_TIMER_PERIOD);
1379                 n = MAX_TIMER_PERIOD;
1380         }
1381
1382         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1383
1384         return 0;
1385 }
1386
1387 /** Generate default options for application */
1388 static void
1389 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1390 {
1391         options->portmask = 0xffffffff;
1392         options->nb_ports_per_lcore = 1;
1393         options->refresh_period = 10000;
1394         options->single_lcore = 0;
1395         options->sessionless = 0;
1396
1397         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1398
1399         /* Cipher Data */
1400         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1401         options->cipher_xform.next = NULL;
1402         options->ckey_param = 0;
1403         options->ckey_random_size = -1;
1404         options->cipher_xform.cipher.key.length = 0;
1405         options->cipher_iv_param = 0;
1406         options->cipher_iv_random_size = -1;
1407         options->cipher_iv.length = 0;
1408
1409         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1410         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1411
1412         /* Authentication Data */
1413         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1414         options->auth_xform.next = NULL;
1415         options->akey_param = 0;
1416         options->akey_random_size = -1;
1417         options->auth_xform.auth.key.length = 0;
1418         options->auth_iv_param = 0;
1419         options->auth_iv_random_size = -1;
1420         options->auth_iv.length = 0;
1421
1422         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1423         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1424
1425         /* AEAD Data */
1426         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1427         options->aead_xform.next = NULL;
1428         options->aead_key_param = 0;
1429         options->aead_key_random_size = -1;
1430         options->aead_xform.aead.key.length = 0;
1431         options->aead_iv_param = 0;
1432         options->aead_iv_random_size = -1;
1433         options->aead_iv.length = 0;
1434
1435         options->auth_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1436         options->auth_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1437
1438         options->aad_param = 0;
1439         options->aad_random_size = -1;
1440         options->aad.length = 0;
1441
1442         options->digest_size = -1;
1443
1444         options->type = CDEV_TYPE_ANY;
1445         options->cryptodev_mask = UINT64_MAX;
1446 }
1447
1448 static void
1449 display_cipher_info(struct l2fwd_crypto_options *options)
1450 {
1451         printf("\n---- Cipher information ---\n");
1452         printf("Algorithm: %s\n",
1453                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1454         rte_hexdump(stdout, "Cipher key:",
1455                         options->cipher_xform.cipher.key.data,
1456                         options->cipher_xform.cipher.key.length);
1457         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1458 }
1459
1460 static void
1461 display_auth_info(struct l2fwd_crypto_options *options)
1462 {
1463         printf("\n---- Authentication information ---\n");
1464         printf("Algorithm: %s\n",
1465                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1466         rte_hexdump(stdout, "Auth key:",
1467                         options->auth_xform.auth.key.data,
1468                         options->auth_xform.auth.key.length);
1469         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1470 }
1471
1472 static void
1473 display_aead_info(struct l2fwd_crypto_options *options)
1474 {
1475         printf("\n---- AEAD information ---\n");
1476         printf("Algorithm: %s\n",
1477                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1478         rte_hexdump(stdout, "AEAD key:",
1479                         options->aead_xform.aead.key.data,
1480                         options->aead_xform.aead.key.length);
1481         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1482         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1483 }
1484
1485 static void
1486 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1487 {
1488         char string_cipher_op[MAX_STR_LEN];
1489         char string_auth_op[MAX_STR_LEN];
1490         char string_aead_op[MAX_STR_LEN];
1491
1492         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1493                 strcpy(string_cipher_op, "Encrypt");
1494         else
1495                 strcpy(string_cipher_op, "Decrypt");
1496
1497         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1498                 strcpy(string_auth_op, "Auth generate");
1499         else
1500                 strcpy(string_auth_op, "Auth verify");
1501
1502         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1503                 strcpy(string_aead_op, "Authenticated encryption");
1504         else
1505                 strcpy(string_aead_op, "Authenticated decryption");
1506
1507
1508         printf("Options:-\nn");
1509         printf("portmask: %x\n", options->portmask);
1510         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1511         printf("refresh period : %u\n", options->refresh_period);
1512         printf("single lcore mode: %s\n",
1513                         options->single_lcore ? "enabled" : "disabled");
1514         printf("stats_printing: %s\n",
1515                         options->refresh_period == 0 ? "disabled" : "enabled");
1516
1517         printf("sessionless crypto: %s\n",
1518                         options->sessionless ? "enabled" : "disabled");
1519
1520         if (options->ckey_param && (options->ckey_random_size != -1))
1521                 printf("Cipher key already parsed, ignoring size of random key\n");
1522
1523         if (options->akey_param && (options->akey_random_size != -1))
1524                 printf("Auth key already parsed, ignoring size of random key\n");
1525
1526         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1527                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1528
1529         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1530                 printf("Auth IV already parsed, ignoring size of random IV\n");
1531
1532         if (options->aad_param && (options->aad_random_size != -1))
1533                 printf("AAD already parsed, ignoring size of random AAD\n");
1534
1535         printf("\nCrypto chain: ");
1536         switch (options->xform_chain) {
1537         case L2FWD_CRYPTO_AEAD:
1538                 printf("Input --> %s --> Output\n", string_aead_op);
1539                 display_aead_info(options);
1540                 break;
1541         case L2FWD_CRYPTO_CIPHER_HASH:
1542                 printf("Input --> %s --> %s --> Output\n",
1543                         string_cipher_op, string_auth_op);
1544                 display_cipher_info(options);
1545                 display_auth_info(options);
1546                 break;
1547         case L2FWD_CRYPTO_HASH_CIPHER:
1548                 printf("Input --> %s --> %s --> Output\n",
1549                         string_auth_op, string_cipher_op);
1550                 display_cipher_info(options);
1551                 display_auth_info(options);
1552                 break;
1553         case L2FWD_CRYPTO_HASH_ONLY:
1554                 printf("Input --> %s --> Output\n", string_auth_op);
1555                 display_auth_info(options);
1556                 break;
1557         case L2FWD_CRYPTO_CIPHER_ONLY:
1558                 printf("Input --> %s --> Output\n", string_cipher_op);
1559                 display_cipher_info(options);
1560                 break;
1561         }
1562 }
1563
1564 /* Parse the argument given in the command line of the application */
1565 static int
1566 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1567                 int argc, char **argv)
1568 {
1569         int opt, retval, option_index;
1570         char **argvopt = argv, *prgname = argv[0];
1571
1572         static struct option lgopts[] = {
1573                         { "sessionless", no_argument, 0, 0 },
1574
1575                         { "cdev_type", required_argument, 0, 0 },
1576                         { "chain", required_argument, 0, 0 },
1577
1578                         { "cipher_algo", required_argument, 0, 0 },
1579                         { "cipher_op", required_argument, 0, 0 },
1580                         { "cipher_key", required_argument, 0, 0 },
1581                         { "cipher_key_random_size", required_argument, 0, 0 },
1582                         { "cipher_iv", required_argument, 0, 0 },
1583                         { "cipher_iv_random_size", required_argument, 0, 0 },
1584
1585                         { "auth_algo", required_argument, 0, 0 },
1586                         { "auth_op", required_argument, 0, 0 },
1587                         { "auth_key", required_argument, 0, 0 },
1588                         { "auth_key_random_size", required_argument, 0, 0 },
1589                         { "auth_iv", required_argument, 0, 0 },
1590                         { "auth_iv_random_size", required_argument, 0, 0 },
1591
1592                         { "aead_algo", required_argument, 0, 0 },
1593                         { "aead_op", required_argument, 0, 0 },
1594                         { "aead_key", required_argument, 0, 0 },
1595                         { "aead_key_random_size", required_argument, 0, 0 },
1596                         { "aead_iv", required_argument, 0, 0 },
1597                         { "aead_iv_random_size", required_argument, 0, 0 },
1598
1599                         { "aad", required_argument, 0, 0 },
1600                         { "aad_random_size", required_argument, 0, 0 },
1601
1602                         { "digest_size", required_argument, 0, 0 },
1603
1604                         { "sessionless", no_argument, 0, 0 },
1605                         { "cryptodev_mask", required_argument, 0, 0},
1606
1607                         { NULL, 0, 0, 0 }
1608         };
1609
1610         l2fwd_crypto_default_options(options);
1611
1612         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1613                         &option_index)) != EOF) {
1614                 switch (opt) {
1615                 /* long options */
1616                 case 0:
1617                         retval = l2fwd_crypto_parse_args_long_options(options,
1618                                         lgopts, option_index);
1619                         if (retval < 0) {
1620                                 l2fwd_crypto_usage(prgname);
1621                                 return -1;
1622                         }
1623                         break;
1624
1625                 /* portmask */
1626                 case 'p':
1627                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1628                         if (retval < 0) {
1629                                 l2fwd_crypto_usage(prgname);
1630                                 return -1;
1631                         }
1632                         break;
1633
1634                 /* nqueue */
1635                 case 'q':
1636                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1637                         if (retval < 0) {
1638                                 l2fwd_crypto_usage(prgname);
1639                                 return -1;
1640                         }
1641                         break;
1642
1643                 /* single  */
1644                 case 's':
1645                         options->single_lcore = 1;
1646
1647                         break;
1648
1649                 /* timer period */
1650                 case 'T':
1651                         retval = l2fwd_crypto_parse_timer_period(options,
1652                                         optarg);
1653                         if (retval < 0) {
1654                                 l2fwd_crypto_usage(prgname);
1655                                 return -1;
1656                         }
1657                         break;
1658
1659                 default:
1660                         l2fwd_crypto_usage(prgname);
1661                         return -1;
1662                 }
1663         }
1664
1665
1666         if (optind >= 0)
1667                 argv[optind-1] = prgname;
1668
1669         retval = optind-1;
1670         optind = 1; /* reset getopt lib */
1671
1672         return retval;
1673 }
1674
1675 /* Check the link status of all ports in up to 9s, and print them finally */
1676 static void
1677 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1678 {
1679 #define CHECK_INTERVAL 100 /* 100ms */
1680 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1681         uint8_t portid, count, all_ports_up, print_flag = 0;
1682         struct rte_eth_link link;
1683
1684         printf("\nChecking link status");
1685         fflush(stdout);
1686         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1687                 all_ports_up = 1;
1688                 for (portid = 0; portid < port_num; portid++) {
1689                         if ((port_mask & (1 << portid)) == 0)
1690                                 continue;
1691                         memset(&link, 0, sizeof(link));
1692                         rte_eth_link_get_nowait(portid, &link);
1693                         /* print link status if flag set */
1694                         if (print_flag == 1) {
1695                                 if (link.link_status)
1696                                         printf("Port %d Link Up - speed %u "
1697                                                 "Mbps - %s\n", (uint8_t)portid,
1698                                                 (unsigned)link.link_speed,
1699                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1700                                         ("full-duplex") : ("half-duplex\n"));
1701                                 else
1702                                         printf("Port %d Link Down\n",
1703                                                 (uint8_t)portid);
1704                                 continue;
1705                         }
1706                         /* clear all_ports_up flag if any link down */
1707                         if (link.link_status == ETH_LINK_DOWN) {
1708                                 all_ports_up = 0;
1709                                 break;
1710                         }
1711                 }
1712                 /* after finally printing all link status, get out */
1713                 if (print_flag == 1)
1714                         break;
1715
1716                 if (all_ports_up == 0) {
1717                         printf(".");
1718                         fflush(stdout);
1719                         rte_delay_ms(CHECK_INTERVAL);
1720                 }
1721
1722                 /* set the print_flag if all ports up or timeout */
1723                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1724                         print_flag = 1;
1725                         printf("done\n");
1726                 }
1727         }
1728 }
1729
1730 /* Check if device has to be HW/SW or any */
1731 static int
1732 check_type(const struct l2fwd_crypto_options *options,
1733                 const struct rte_cryptodev_info *dev_info)
1734 {
1735         if (options->type == CDEV_TYPE_HW &&
1736                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1737                 return 0;
1738         if (options->type == CDEV_TYPE_SW &&
1739                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1740                 return 0;
1741         if (options->type == CDEV_TYPE_ANY)
1742                 return 0;
1743
1744         return -1;
1745 }
1746
1747 static const struct rte_cryptodev_capabilities *
1748 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1749                 const struct rte_cryptodev_info *dev_info,
1750                 uint8_t cdev_id)
1751 {
1752         unsigned int i = 0;
1753         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1754         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1755         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1756                                         options->cipher_xform.cipher.algo;
1757
1758         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1759                 cap_cipher_algo = cap->sym.cipher.algo;
1760                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1761                         if (cap_cipher_algo == opt_cipher_algo) {
1762                                 if (check_type(options, dev_info) == 0)
1763                                         break;
1764                         }
1765                 }
1766                 cap = &dev_info->capabilities[++i];
1767         }
1768
1769         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1770                 printf("Algorithm %s not supported by cryptodev %u"
1771                         " or device not of preferred type (%s)\n",
1772                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1773                         cdev_id,
1774                         options->string_type);
1775                 return NULL;
1776         }
1777
1778         return cap;
1779 }
1780
1781 static const struct rte_cryptodev_capabilities *
1782 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1783                 const struct rte_cryptodev_info *dev_info,
1784                 uint8_t cdev_id)
1785 {
1786         unsigned int i = 0;
1787         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1788         enum rte_crypto_auth_algorithm cap_auth_algo;
1789         enum rte_crypto_auth_algorithm opt_auth_algo =
1790                                         options->auth_xform.auth.algo;
1791
1792         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1793                 cap_auth_algo = cap->sym.auth.algo;
1794                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1795                         if (cap_auth_algo == opt_auth_algo) {
1796                                 if (check_type(options, dev_info) == 0)
1797                                         break;
1798                         }
1799                 }
1800                 cap = &dev_info->capabilities[++i];
1801         }
1802
1803         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1804                 printf("Algorithm %s not supported by cryptodev %u"
1805                         " or device not of preferred type (%s)\n",
1806                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1807                         cdev_id,
1808                         options->string_type);
1809                 return NULL;
1810         }
1811
1812         return cap;
1813 }
1814
1815 static const struct rte_cryptodev_capabilities *
1816 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1817                 const struct rte_cryptodev_info *dev_info,
1818                 uint8_t cdev_id)
1819 {
1820         unsigned int i = 0;
1821         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1822         enum rte_crypto_aead_algorithm cap_aead_algo;
1823         enum rte_crypto_aead_algorithm opt_aead_algo =
1824                                         options->aead_xform.aead.algo;
1825
1826         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1827                 cap_aead_algo = cap->sym.aead.algo;
1828                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1829                         if (cap_aead_algo == opt_aead_algo) {
1830                                 if (check_type(options, dev_info) == 0)
1831                                         break;
1832                         }
1833                 }
1834                 cap = &dev_info->capabilities[++i];
1835         }
1836
1837         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1838                 printf("Algorithm %s not supported by cryptodev %u"
1839                         " or device not of preferred type (%s)\n",
1840                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1841                         cdev_id,
1842                         options->string_type);
1843                 return NULL;
1844         }
1845
1846         return cap;
1847 }
1848
1849 /* Check if the device is enabled by cryptodev_mask */
1850 static int
1851 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1852                 uint8_t cdev_id)
1853 {
1854         if (options->cryptodev_mask & (1 << cdev_id))
1855                 return 0;
1856
1857         return -1;
1858 }
1859
1860 static inline int
1861 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1862                 uint16_t increment)
1863 {
1864         uint16_t supp_size;
1865
1866         /* Single value */
1867         if (increment == 0) {
1868                 if (length == min)
1869                         return 0;
1870                 else
1871                         return -1;
1872         }
1873
1874         /* Range of values */
1875         for (supp_size = min; supp_size <= max; supp_size += increment) {
1876                 if (length == supp_size)
1877                         return 0;
1878         }
1879
1880         return -1;
1881 }
1882
1883 static int
1884 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1885                 unsigned int iv_param, int iv_random_size,
1886                 uint16_t *iv_length)
1887 {
1888         /*
1889          * Check if length of provided IV is supported
1890          * by the algorithm chosen.
1891          */
1892         if (iv_param) {
1893                 if (check_supported_size(*iv_length,
1894                                 iv_range_size->min,
1895                                 iv_range_size->max,
1896                                 iv_range_size->increment)
1897                                         != 0) {
1898                         printf("Unsupported IV length\n");
1899                         return -1;
1900                 }
1901         /*
1902          * Check if length of IV to be randomly generated
1903          * is supported by the algorithm chosen.
1904          */
1905         } else if (iv_random_size != -1) {
1906                 if (check_supported_size(iv_random_size,
1907                                 iv_range_size->min,
1908                                 iv_range_size->max,
1909                                 iv_range_size->increment)
1910                                         != 0) {
1911                         printf("Unsupported IV length\n");
1912                         return -1;
1913                 }
1914                 *iv_length = iv_random_size;
1915         /* No size provided, use minimum size. */
1916         } else
1917                 *iv_length = iv_range_size->min;
1918
1919         return 0;
1920 }
1921
1922 static int
1923 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1924                 uint8_t *enabled_cdevs)
1925 {
1926         unsigned int cdev_id, cdev_count, enabled_cdev_count = 0;
1927         const struct rte_cryptodev_capabilities *cap;
1928         unsigned int sess_sz, max_sess_sz = 0;
1929         int retval;
1930
1931         cdev_count = rte_cryptodev_count();
1932         if (cdev_count == 0) {
1933                 printf("No crypto devices available\n");
1934                 return -1;
1935         }
1936
1937         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
1938                 sess_sz = sizeof(struct rte_cryptodev_sym_session) +
1939                         rte_cryptodev_get_private_session_size(cdev_id);
1940                 if (sess_sz > max_sess_sz)
1941                         max_sess_sz = sess_sz;
1942         }
1943
1944         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1945                         cdev_id++) {
1946                 struct rte_cryptodev_qp_conf qp_conf;
1947                 struct rte_cryptodev_info dev_info;
1948                 uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
1949
1950                 struct rte_cryptodev_config conf = {
1951                         .nb_queue_pairs = 1,
1952                         .socket_id = socket_id,
1953                 };
1954
1955                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1956                         continue;
1957
1958                 rte_cryptodev_info_get(cdev_id, &dev_info);
1959
1960                 if (session_pool_socket[socket_id] == NULL) {
1961                         char mp_name[RTE_MEMPOOL_NAMESIZE];
1962                         struct rte_mempool *sess_mp;
1963
1964                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
1965                                 "sess_mp_%u", socket_id);
1966
1967                         /*
1968                          * Create enough objects for session headers and
1969                          * device private data
1970                          */
1971                         sess_mp = rte_mempool_create(mp_name,
1972                                                 MAX_SESSIONS * 2,
1973                                                 max_sess_sz,
1974                                                 SESSION_POOL_CACHE_SIZE,
1975                                                 0, NULL, NULL, NULL,
1976                                                 NULL, socket_id,
1977                                                 0);
1978
1979                         if (sess_mp == NULL) {
1980                                 printf("Cannot create session pool on socket %d\n",
1981                                         socket_id);
1982                                 return -ENOMEM;
1983                         }
1984
1985                         printf("Allocated session pool on socket %d\n", socket_id);
1986                         session_pool_socket[socket_id] = sess_mp;
1987                 }
1988
1989                 /* Set AEAD parameters */
1990                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1991                         /* Check if device supports AEAD algo */
1992                         cap = check_device_support_aead_algo(options, &dev_info,
1993                                                         cdev_id);
1994                         if (cap == NULL)
1995                                 continue;
1996
1997                         options->block_size = cap->sym.aead.block_size;
1998
1999                         check_iv_param(&cap->sym.aead.iv_size,
2000                                         options->aead_iv_param,
2001                                         options->aead_iv_random_size,
2002                                         &options->aead_iv.length);
2003
2004                         /*
2005                          * Check if length of provided AEAD key is supported
2006                          * by the algorithm chosen.
2007                          */
2008                         if (options->aead_key_param) {
2009                                 if (check_supported_size(
2010                                                 options->aead_xform.aead.key.length,
2011                                                 cap->sym.aead.key_size.min,
2012                                                 cap->sym.aead.key_size.max,
2013                                                 cap->sym.aead.key_size.increment)
2014                                                         != 0) {
2015                                         printf("Unsupported aead key length\n");
2016                                         return -1;
2017                                 }
2018                         /*
2019                          * Check if length of the aead key to be randomly generated
2020                          * is supported by the algorithm chosen.
2021                          */
2022                         } else if (options->aead_key_random_size != -1) {
2023                                 if (check_supported_size(options->ckey_random_size,
2024                                                 cap->sym.aead.key_size.min,
2025                                                 cap->sym.aead.key_size.max,
2026                                                 cap->sym.aead.key_size.increment)
2027                                                         != 0) {
2028                                         printf("Unsupported aead key length\n");
2029                                         return -1;
2030                                 }
2031                                 options->aead_xform.aead.key.length =
2032                                                         options->ckey_random_size;
2033                         /* No size provided, use minimum size. */
2034                         } else
2035                                 options->aead_xform.aead.key.length =
2036                                                 cap->sym.aead.key_size.min;
2037
2038                         if (!options->aead_key_param)
2039                                 generate_random_key(
2040                                         options->aead_xform.aead.key.data,
2041                                         options->aead_xform.aead.key.length);
2042
2043                         /*
2044                          * Check if length of provided AAD is supported
2045                          * by the algorithm chosen.
2046                          */
2047                         if (options->aad_param) {
2048                                 if (check_supported_size(options->aad.length,
2049                                                 cap->sym.aead.aad_size.min,
2050                                                 cap->sym.aead.aad_size.max,
2051                                                 cap->sym.aead.aad_size.increment)
2052                                                         != 0) {
2053                                         printf("Unsupported AAD length\n");
2054                                         return -1;
2055                                 }
2056                         /*
2057                          * Check if length of AAD to be randomly generated
2058                          * is supported by the algorithm chosen.
2059                          */
2060                         } else if (options->aad_random_size != -1) {
2061                                 if (check_supported_size(options->aad_random_size,
2062                                                 cap->sym.aead.aad_size.min,
2063                                                 cap->sym.aead.aad_size.max,
2064                                                 cap->sym.aead.aad_size.increment)
2065                                                         != 0) {
2066                                         printf("Unsupported AAD length\n");
2067                                         return -1;
2068                                 }
2069                                 options->aad.length = options->aad_random_size;
2070                         /* No size provided, use minimum size. */
2071                         } else
2072                                 options->aad.length = cap->sym.auth.aad_size.min;
2073
2074                         options->aead_xform.aead.add_auth_data_length =
2075                                                 options->aad.length;
2076
2077                         /* Check if digest size is supported by the algorithm. */
2078                         if (options->digest_size != -1) {
2079                                 if (check_supported_size(options->digest_size,
2080                                                 cap->sym.aead.digest_size.min,
2081                                                 cap->sym.aead.digest_size.max,
2082                                                 cap->sym.aead.digest_size.increment)
2083                                                         != 0) {
2084                                         printf("Unsupported digest length\n");
2085                                         return -1;
2086                                 }
2087                                 options->aead_xform.aead.digest_length =
2088                                                         options->digest_size;
2089                         /* No size provided, use minimum size. */
2090                         } else
2091                                 options->aead_xform.aead.digest_length =
2092                                                 cap->sym.aead.digest_size.min;
2093                 }
2094
2095                 /* Set cipher parameters */
2096                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2097                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2098                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2099                         /* Check if device supports cipher algo */
2100                         cap = check_device_support_cipher_algo(options, &dev_info,
2101                                                         cdev_id);
2102                         if (cap == NULL)
2103                                 continue;
2104
2105                         options->block_size = cap->sym.cipher.block_size;
2106
2107                         check_iv_param(&cap->sym.cipher.iv_size,
2108                                         options->cipher_iv_param,
2109                                         options->cipher_iv_random_size,
2110                                         &options->cipher_iv.length);
2111
2112                         /*
2113                          * Check if length of provided cipher key is supported
2114                          * by the algorithm chosen.
2115                          */
2116                         if (options->ckey_param) {
2117                                 if (check_supported_size(
2118                                                 options->cipher_xform.cipher.key.length,
2119                                                 cap->sym.cipher.key_size.min,
2120                                                 cap->sym.cipher.key_size.max,
2121                                                 cap->sym.cipher.key_size.increment)
2122                                                         != 0) {
2123                                         printf("Unsupported cipher key length\n");
2124                                         return -1;
2125                                 }
2126                         /*
2127                          * Check if length of the cipher key to be randomly generated
2128                          * is supported by the algorithm chosen.
2129                          */
2130                         } else if (options->ckey_random_size != -1) {
2131                                 if (check_supported_size(options->ckey_random_size,
2132                                                 cap->sym.cipher.key_size.min,
2133                                                 cap->sym.cipher.key_size.max,
2134                                                 cap->sym.cipher.key_size.increment)
2135                                                         != 0) {
2136                                         printf("Unsupported cipher key length\n");
2137                                         return -1;
2138                                 }
2139                                 options->cipher_xform.cipher.key.length =
2140                                                         options->ckey_random_size;
2141                         /* No size provided, use minimum size. */
2142                         } else
2143                                 options->cipher_xform.cipher.key.length =
2144                                                 cap->sym.cipher.key_size.min;
2145
2146                         if (!options->ckey_param)
2147                                 generate_random_key(
2148                                         options->cipher_xform.cipher.key.data,
2149                                         options->cipher_xform.cipher.key.length);
2150
2151                 }
2152
2153                 /* Set auth parameters */
2154                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2155                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2156                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2157                         /* Check if device supports auth algo */
2158                         cap = check_device_support_auth_algo(options, &dev_info,
2159                                                         cdev_id);
2160                         if (cap == NULL)
2161                                 continue;
2162
2163                         check_iv_param(&cap->sym.auth.iv_size,
2164                                         options->auth_iv_param,
2165                                         options->auth_iv_random_size,
2166                                         &options->auth_iv.length);
2167                         /*
2168                          * Check if length of provided auth key is supported
2169                          * by the algorithm chosen.
2170                          */
2171                         if (options->akey_param) {
2172                                 if (check_supported_size(
2173                                                 options->auth_xform.auth.key.length,
2174                                                 cap->sym.auth.key_size.min,
2175                                                 cap->sym.auth.key_size.max,
2176                                                 cap->sym.auth.key_size.increment)
2177                                                         != 0) {
2178                                         printf("Unsupported auth key length\n");
2179                                         return -1;
2180                                 }
2181                         /*
2182                          * Check if length of the auth key to be randomly generated
2183                          * is supported by the algorithm chosen.
2184                          */
2185                         } else if (options->akey_random_size != -1) {
2186                                 if (check_supported_size(options->akey_random_size,
2187                                                 cap->sym.auth.key_size.min,
2188                                                 cap->sym.auth.key_size.max,
2189                                                 cap->sym.auth.key_size.increment)
2190                                                         != 0) {
2191                                         printf("Unsupported auth key length\n");
2192                                         return -1;
2193                                 }
2194                                 options->auth_xform.auth.key.length =
2195                                                         options->akey_random_size;
2196                         /* No size provided, use minimum size. */
2197                         } else
2198                                 options->auth_xform.auth.key.length =
2199                                                 cap->sym.auth.key_size.min;
2200
2201                         if (!options->akey_param)
2202                                 generate_random_key(
2203                                         options->auth_xform.auth.key.data,
2204                                         options->auth_xform.auth.key.length);
2205
2206                         /* Check if digest size is supported by the algorithm. */
2207                         if (options->digest_size != -1) {
2208                                 if (check_supported_size(options->digest_size,
2209                                                 cap->sym.auth.digest_size.min,
2210                                                 cap->sym.auth.digest_size.max,
2211                                                 cap->sym.auth.digest_size.increment)
2212                                                         != 0) {
2213                                         printf("Unsupported digest length\n");
2214                                         return -1;
2215                                 }
2216                                 options->auth_xform.auth.digest_length =
2217                                                         options->digest_size;
2218                         /* No size provided, use minimum size. */
2219                         } else
2220                                 options->auth_xform.auth.digest_length =
2221                                                 cap->sym.auth.digest_size.min;
2222                 }
2223
2224                 retval = rte_cryptodev_configure(cdev_id, &conf,
2225                                 session_pool_socket[socket_id]);
2226                 if (retval < 0) {
2227                         printf("Failed to configure cryptodev %u", cdev_id);
2228                         return -1;
2229                 }
2230
2231                 qp_conf.nb_descriptors = 2048;
2232
2233                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2234                                 socket_id);
2235                 if (retval < 0) {
2236                         printf("Failed to setup queue pair %u on cryptodev %u",
2237                                         0, cdev_id);
2238                         return -1;
2239                 }
2240
2241                 retval = rte_cryptodev_start(cdev_id);
2242                 if (retval < 0) {
2243                         printf("Failed to start device %u: error %d\n",
2244                                         cdev_id, retval);
2245                         return -1;
2246                 }
2247
2248                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2249
2250                 enabled_cdevs[cdev_id] = 1;
2251                 enabled_cdev_count++;
2252         }
2253
2254         return enabled_cdev_count;
2255 }
2256
2257 static int
2258 initialize_ports(struct l2fwd_crypto_options *options)
2259 {
2260         uint8_t last_portid, portid;
2261         unsigned enabled_portcount = 0;
2262         unsigned nb_ports = rte_eth_dev_count();
2263
2264         if (nb_ports == 0) {
2265                 printf("No Ethernet ports - bye\n");
2266                 return -1;
2267         }
2268
2269         /* Reset l2fwd_dst_ports */
2270         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2271                 l2fwd_dst_ports[portid] = 0;
2272
2273         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
2274                 int retval;
2275
2276                 /* Skip ports that are not enabled */
2277                 if ((options->portmask & (1 << portid)) == 0)
2278                         continue;
2279
2280                 /* init port */
2281                 printf("Initializing port %u... ", (unsigned) portid);
2282                 fflush(stdout);
2283                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
2284                 if (retval < 0) {
2285                         printf("Cannot configure device: err=%d, port=%u\n",
2286                                   retval, (unsigned) portid);
2287                         return -1;
2288                 }
2289
2290                 /* init one RX queue */
2291                 fflush(stdout);
2292                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2293                                              rte_eth_dev_socket_id(portid),
2294                                              NULL, l2fwd_pktmbuf_pool);
2295                 if (retval < 0) {
2296                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2297                                         retval, (unsigned) portid);
2298                         return -1;
2299                 }
2300
2301                 /* init one TX queue on each port */
2302                 fflush(stdout);
2303                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2304                                 rte_eth_dev_socket_id(portid),
2305                                 NULL);
2306                 if (retval < 0) {
2307                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2308                                 retval, (unsigned) portid);
2309
2310                         return -1;
2311                 }
2312
2313                 /* Start device */
2314                 retval = rte_eth_dev_start(portid);
2315                 if (retval < 0) {
2316                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2317                                         retval, (unsigned) portid);
2318                         return -1;
2319                 }
2320
2321                 rte_eth_promiscuous_enable(portid);
2322
2323                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2324
2325                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2326                                 (unsigned) portid,
2327                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2328                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2329                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2330                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2331                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2332                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2333
2334                 /* initialize port stats */
2335                 memset(&port_statistics, 0, sizeof(port_statistics));
2336
2337                 /* Setup port forwarding table */
2338                 if (enabled_portcount % 2) {
2339                         l2fwd_dst_ports[portid] = last_portid;
2340                         l2fwd_dst_ports[last_portid] = portid;
2341                 } else {
2342                         last_portid = portid;
2343                 }
2344
2345                 l2fwd_enabled_port_mask |= (1 << portid);
2346                 enabled_portcount++;
2347         }
2348
2349         if (enabled_portcount == 1) {
2350                 l2fwd_dst_ports[last_portid] = last_portid;
2351         } else if (enabled_portcount % 2) {
2352                 printf("odd number of ports in portmask- bye\n");
2353                 return -1;
2354         }
2355
2356         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
2357
2358         return enabled_portcount;
2359 }
2360
2361 static void
2362 reserve_key_memory(struct l2fwd_crypto_options *options)
2363 {
2364         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2365                                                 MAX_KEY_SIZE, 0);
2366         if (options->cipher_xform.cipher.key.data == NULL)
2367                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2368
2369         options->auth_xform.auth.key.data = rte_malloc("auth key",
2370                                                 MAX_KEY_SIZE, 0);
2371         if (options->auth_xform.auth.key.data == NULL)
2372                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2373
2374         options->aead_xform.aead.key.data = rte_malloc("aead key",
2375                                                 MAX_KEY_SIZE, 0);
2376         if (options->aead_xform.aead.key.data == NULL)
2377                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2378
2379         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2380         if (options->cipher_iv.data == NULL)
2381                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2382
2383         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2384         if (options->auth_iv.data == NULL)
2385                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2386
2387         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2388         if (options->aead_iv.data == NULL)
2389                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2390
2391         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2392         if (options->aad.data == NULL)
2393                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2394         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
2395 }
2396
2397 int
2398 main(int argc, char **argv)
2399 {
2400         struct lcore_queue_conf *qconf;
2401         struct l2fwd_crypto_options options;
2402
2403         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
2404         unsigned lcore_id, rx_lcore_id;
2405         int ret, enabled_cdevcount, enabled_portcount;
2406         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2407
2408         /* init EAL */
2409         ret = rte_eal_init(argc, argv);
2410         if (ret < 0)
2411                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2412         argc -= ret;
2413         argv += ret;
2414
2415         /* reserve memory for Cipher/Auth key and IV */
2416         reserve_key_memory(&options);
2417
2418         /* parse application arguments (after the EAL ones) */
2419         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2420         if (ret < 0)
2421                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2422
2423         /* create the mbuf pool */
2424         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2425                         sizeof(struct rte_crypto_op),
2426                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2427         if (l2fwd_pktmbuf_pool == NULL)
2428                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2429
2430         /* create crypto op pool */
2431         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2432                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2433                         rte_socket_id());
2434         if (l2fwd_crypto_op_pool == NULL)
2435                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2436
2437         /* Enable Ethernet ports */
2438         enabled_portcount = initialize_ports(&options);
2439         if (enabled_portcount < 1)
2440                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2441
2442         nb_ports = rte_eth_dev_count();
2443         /* Initialize the port/queue configuration of each logical core */
2444         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2445                         portid < nb_ports; portid++) {
2446
2447                 /* skip ports that are not enabled */
2448                 if ((options.portmask & (1 << portid)) == 0)
2449                         continue;
2450
2451                 if (options.single_lcore && qconf == NULL) {
2452                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2453                                 rx_lcore_id++;
2454                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2455                                         rte_exit(EXIT_FAILURE,
2456                                                         "Not enough cores\n");
2457                         }
2458                 } else if (!options.single_lcore) {
2459                         /* get the lcore_id for this port */
2460                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2461                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2462                                options.nb_ports_per_lcore) {
2463                                 rx_lcore_id++;
2464                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2465                                         rte_exit(EXIT_FAILURE,
2466                                                         "Not enough cores\n");
2467                         }
2468                 }
2469
2470                 /* Assigned a new logical core in the loop above. */
2471                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2472                         qconf = &lcore_queue_conf[rx_lcore_id];
2473
2474                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2475                 qconf->nb_rx_ports++;
2476
2477                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2478         }
2479
2480         /* Enable Crypto devices */
2481         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2482                         enabled_cdevs);
2483         if (enabled_cdevcount < 0)
2484                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2485
2486         if (enabled_cdevcount < enabled_portcount)
2487                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2488                                 "has to be more or equal to number of ports (%d)\n",
2489                                 enabled_cdevcount, enabled_portcount);
2490
2491         nb_cryptodevs = rte_cryptodev_count();
2492
2493         /* Initialize the port/cryptodev configuration of each logical core */
2494         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2495                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2496                         cdev_id++) {
2497                 /* Crypto op not supported by crypto device */
2498                 if (!enabled_cdevs[cdev_id])
2499                         continue;
2500
2501                 if (options.single_lcore && qconf == NULL) {
2502                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2503                                 rx_lcore_id++;
2504                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2505                                         rte_exit(EXIT_FAILURE,
2506                                                         "Not enough cores\n");
2507                         }
2508                 } else if (!options.single_lcore) {
2509                         /* get the lcore_id for this port */
2510                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2511                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2512                                options.nb_ports_per_lcore) {
2513                                 rx_lcore_id++;
2514                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2515                                         rte_exit(EXIT_FAILURE,
2516                                                         "Not enough cores\n");
2517                         }
2518                 }
2519
2520                 /* Assigned a new logical core in the loop above. */
2521                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2522                         qconf = &lcore_queue_conf[rx_lcore_id];
2523
2524                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2525                 qconf->nb_crypto_devs++;
2526
2527                 enabled_cdevcount--;
2528
2529                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2530                                 (unsigned)cdev_id);
2531         }
2532
2533         /* launch per-lcore init on every lcore */
2534         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2535                         CALL_MASTER);
2536         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2537                 if (rte_eal_wait_lcore(lcore_id) < 0)
2538                         return -1;
2539         }
2540
2541         return 0;
2542 }