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_per_lcore.h>
  71 #include <rte_prefetch.h>
  72 #include <rte_random.h>
  73 #include <rte_hexdump.h>
  74
  75 enum cdev_type {
  76         CDEV_TYPE_ANY,
  77         CDEV_TYPE_HW,
  78         CDEV_TYPE_SW
  79 };
  80
  81 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  82
  83 #define NB_MBUF   8192
  84
  85 #define MAX_STR_LEN 32
  86 #define MAX_KEY_SIZE 128
  87 #define MAX_IV_SIZE 16
  88 #define MAX_AAD_SIZE 65535
  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 uint16_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         rte_iova_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         unsigned int mac_updating;
 198 };
 199
 200 /** l2fwd crypto lcore params */
 201 struct l2fwd_crypto_params {
 202         uint8_t dev_id;
 203         uint8_t qp_id;
 204
 205         unsigned digest_length;
 206         unsigned block_size;
 207
 208         struct l2fwd_iv cipher_iv;
 209         struct l2fwd_iv auth_iv;
 210         struct l2fwd_iv aead_iv;
 211         struct l2fwd_key aad;
 212         struct rte_cryptodev_sym_session *session;
 213
 214         uint8_t do_cipher;
 215         uint8_t do_hash;
 216         uint8_t do_aead;
 217         uint8_t hash_verify;
 218
 219         enum rte_crypto_cipher_algorithm cipher_algo;
 220         enum rte_crypto_auth_algorithm auth_algo;
 221         enum rte_crypto_aead_algorithm aead_algo;
 222 };
 223
 224 /** lcore configuration */
 225 struct lcore_queue_conf {
 226         unsigned nb_rx_ports;
 227         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 228
 229         unsigned nb_crypto_devs;
 230         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 231
 232         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 233         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 234 } __rte_cache_aligned;
 235
 236 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 237
 238 static const struct rte_eth_conf port_conf = {
 239         .rxmode = {
 240                 .mq_mode = ETH_MQ_RX_NONE,
 241                 .max_rx_pkt_len = ETHER_MAX_LEN,
 242                 .split_hdr_size = 0,
 243                 .header_split   = 0, /**< Header Split disabled */
 244                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 245                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 246                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 247                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 248         },
 249         .txmode = {
 250                 .mq_mode = ETH_MQ_TX_NONE,
 251         },
 252 };
 253
 254 struct rte_mempool *l2fwd_pktmbuf_pool;
 255 struct rte_mempool *l2fwd_crypto_op_pool;
 256 struct rte_mempool *session_pool_socket[RTE_MAX_NUMA_NODES] = { 0 };
 257
 258 /* Per-port statistics struct */
 259 struct l2fwd_port_statistics {
 260         uint64_t tx;
 261         uint64_t rx;
 262
 263         uint64_t crypto_enqueued;
 264         uint64_t crypto_dequeued;
 265
 266         uint64_t dropped;
 267 } __rte_cache_aligned;
 268
 269 struct l2fwd_crypto_statistics {
 270         uint64_t enqueued;
 271         uint64_t dequeued;
 272
 273         uint64_t errors;
 274 } __rte_cache_aligned;
 275
 276 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 277 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 278
 279 /* A tsc-based timer responsible for triggering statistics printout */
 280 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 281 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 282
 283 /* default period is 10 seconds */
 284 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 285
 286 /* Print out statistics on packets dropped */
 287 static void
 288 print_stats(void)
 289 {
 290         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 291         uint64_t total_packets_enqueued, total_packets_dequeued,
 292                 total_packets_errors;
 293         uint16_t portid;
 294         uint64_t cdevid;
 295
 296         total_packets_dropped = 0;
 297         total_packets_tx = 0;
 298         total_packets_rx = 0;
 299         total_packets_enqueued = 0;
 300         total_packets_dequeued = 0;
 301         total_packets_errors = 0;
 302
 303         const char clr[] = { 27, '[', '2', 'J', '\0' };
 304         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 305
 306                 /* Clear screen and move to top left */
 307         printf("%s%s", clr, topLeft);
 308
 309         printf("\nPort statistics ====================================");
 310
 311         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 312                 /* skip disabled ports */
 313                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 314                         continue;
 315                 printf("\nStatistics for port %u ------------------------------"
 316                            "\nPackets sent: %32"PRIu64
 317                            "\nPackets received: %28"PRIu64
 318                            "\nPackets dropped: %29"PRIu64,
 319                            portid,
 320                            port_statistics[portid].tx,
 321                            port_statistics[portid].rx,
 322                            port_statistics[portid].dropped);
 323
 324                 total_packets_dropped += port_statistics[portid].dropped;
 325                 total_packets_tx += port_statistics[portid].tx;
 326                 total_packets_rx += port_statistics[portid].rx;
 327         }
 328         printf("\nCrypto statistics ==================================");
 329
 330         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 331                 /* skip disabled ports */
 332                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 333                         continue;
 334                 printf("\nStatistics for cryptodev %"PRIu64
 335                                 " -------------------------"
 336                            "\nPackets enqueued: %28"PRIu64
 337                            "\nPackets dequeued: %28"PRIu64
 338                            "\nPackets errors: %30"PRIu64,
 339                            cdevid,
 340                            crypto_statistics[cdevid].enqueued,
 341                            crypto_statistics[cdevid].dequeued,
 342                            crypto_statistics[cdevid].errors);
 343
 344                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 345                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 346                 total_packets_errors += crypto_statistics[cdevid].errors;
 347         }
 348         printf("\nAggregate statistics ==============================="
 349                    "\nTotal packets received: %22"PRIu64
 350                    "\nTotal packets enqueued: %22"PRIu64
 351                    "\nTotal packets dequeued: %22"PRIu64
 352                    "\nTotal packets sent: %26"PRIu64
 353                    "\nTotal packets dropped: %23"PRIu64
 354                    "\nTotal packets crypto errors: %17"PRIu64,
 355                    total_packets_rx,
 356                    total_packets_enqueued,
 357                    total_packets_dequeued,
 358                    total_packets_tx,
 359                    total_packets_dropped,
 360                    total_packets_errors);
 361         printf("\n====================================================\n");
 362 }
 363
 364 static int
 365 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 366                 struct l2fwd_crypto_params *cparams)
 367 {
 368         struct rte_crypto_op **op_buffer;
 369         unsigned ret;
 370
 371         op_buffer = (struct rte_crypto_op **)
 372                         qconf->op_buf[cparams->dev_id].buffer;
 373
 374         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 375                         cparams->qp_id, op_buffer, (uint16_t) n);
 376
 377         crypto_statistics[cparams->dev_id].enqueued += ret;
 378         if (unlikely(ret < n)) {
 379                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 380                 do {
 381                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 382                         rte_crypto_op_free(op_buffer[ret]);
 383                 } while (++ret < n);
 384         }
 385
 386         return 0;
 387 }
 388
 389 static int
 390 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 391                 struct l2fwd_crypto_params *cparams)
 392 {
 393         unsigned lcore_id, len;
 394         struct lcore_queue_conf *qconf;
 395
 396         lcore_id = rte_lcore_id();
 397
 398         qconf = &lcore_queue_conf[lcore_id];
 399         len = qconf->op_buf[cparams->dev_id].len;
 400         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 401         len++;
 402
 403         /* enough ops to be sent */
 404         if (len == MAX_PKT_BURST) {
 405                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 406                 len = 0;
 407         }
 408
 409         qconf->op_buf[cparams->dev_id].len = len;
 410         return 0;
 411 }
 412
 413 static int
 414 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 415                 struct rte_crypto_op *op,
 416                 struct l2fwd_crypto_params *cparams)
 417 {
 418         struct ether_hdr *eth_hdr;
 419         struct ipv4_hdr *ip_hdr;
 420
 421         uint32_t ipdata_offset, data_len;
 422         uint32_t pad_len = 0;
 423         char *padding;
 424
 425         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 426
 427         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 428                 return -1;
 429
 430         ipdata_offset = sizeof(struct ether_hdr);
 431
 432         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 433                         ipdata_offset);
 434
 435         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 436                         * IPV4_IHL_MULTIPLIER;
 437
 438
 439         /* Zero pad data to be crypto'd so it is block aligned */
 440         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 441
 442         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 443                 data_len -= cparams->digest_length;
 444
 445         if (cparams->do_cipher) {
 446                 /*
 447                  * Following algorithms are block cipher algorithms,
 448                  * and might need padding
 449                  */
 450                 switch (cparams->cipher_algo) {
 451                 case RTE_CRYPTO_CIPHER_AES_CBC:
 452                 case RTE_CRYPTO_CIPHER_AES_ECB:
 453                 case RTE_CRYPTO_CIPHER_DES_CBC:
 454                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 455                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 456                         if (data_len % cparams->block_size)
 457                                 pad_len = cparams->block_size -
 458                                         (data_len % cparams->block_size);
 459                         break;
 460                 default:
 461                         pad_len = 0;
 462                 }
 463
 464                 if (pad_len) {
 465                         padding = rte_pktmbuf_append(m, pad_len);
 466                         if (unlikely(!padding))
 467                                 return -1;
 468
 469                         data_len += pad_len;
 470                         memset(padding, 0, pad_len);
 471                 }
 472         }
 473
 474         /* Set crypto operation data parameters */
 475         rte_crypto_op_attach_sym_session(op, cparams->session);
 476
 477         if (cparams->do_hash) {
 478                 if (cparams->auth_iv.length) {
 479                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 480                                                 uint8_t *,
 481                                                 IV_OFFSET +
 482                                                 cparams->cipher_iv.length);
 483                         /*
 484                          * Copy IV at the end of the crypto operation,
 485                          * after the cipher IV, if added
 486                          */
 487                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 488                                         cparams->auth_iv.length);
 489                 }
 490                 if (!cparams->hash_verify) {
 491                         /* Append space for digest to end of packet */
 492                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 493                                 cparams->digest_length);
 494                 } else {
 495                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 496                                 uint8_t *) + ipdata_offset + data_len;
 497                 }
 498
 499                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 500                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 501
 502                 /* For wireless algorithms, offset/length must be in bits */
 503                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 504                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 505                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 506                         op->sym->auth.data.offset = ipdata_offset << 3;
 507                         op->sym->auth.data.length = data_len << 3;
 508                 } else {
 509                         op->sym->auth.data.offset = ipdata_offset;
 510                         op->sym->auth.data.length = data_len;
 511                 }
 512         }
 513
 514         if (cparams->do_cipher) {
 515                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 516                                                         IV_OFFSET);
 517                 /* Copy IV at the end of the crypto operation */
 518                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 519                                 cparams->cipher_iv.length);
 520
 521                 /* For wireless algorithms, offset/length must be in bits */
 522                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 523                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 524                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 525                         op->sym->cipher.data.offset = ipdata_offset << 3;
 526                         op->sym->cipher.data.length = data_len << 3;
 527                 } else {
 528                         op->sym->cipher.data.offset = ipdata_offset;
 529                         op->sym->cipher.data.length = data_len;
 530                 }
 531         }
 532
 533         if (cparams->do_aead) {
 534                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 535                                                         IV_OFFSET);
 536                 /* Copy IV at the end of the crypto operation */
 537                 /*
 538                  * If doing AES-CCM, nonce is copied one byte
 539                  * after the start of IV field
 540                  */
 541                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 542                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 543                                         cparams->aead_iv.length);
 544                 else
 545                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 546                                         cparams->aead_iv.length);
 547
 548                 op->sym->aead.data.offset = ipdata_offset;
 549                 op->sym->aead.data.length = data_len;
 550
 551                 if (!cparams->hash_verify) {
 552                         /* Append space for digest to end of packet */
 553                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 554                                 cparams->digest_length);
 555                 } else {
 556                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 557                                 uint8_t *) + ipdata_offset + data_len;
 558                 }
 559
 560                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 561                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 562
 563                 if (cparams->aad.length) {
 564                         op->sym->aead.aad.data = cparams->aad.data;
 565                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 566                 }
 567         }
 568
 569         op->sym->m_src = m;
 570
 571         return l2fwd_crypto_enqueue(op, cparams);
 572 }
 573
 574
 575 /* Send the burst of packets on an output interface */
 576 static int
 577 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 578                 uint16_t port)
 579 {
 580         struct rte_mbuf **pkt_buffer;
 581         unsigned ret;
 582
 583         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 584
 585         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 586         port_statistics[port].tx += ret;
 587         if (unlikely(ret < n)) {
 588                 port_statistics[port].dropped += (n - ret);
 589                 do {
 590                         rte_pktmbuf_free(pkt_buffer[ret]);
 591                 } while (++ret < n);
 592         }
 593
 594         return 0;
 595 }
 596
 597 /* Enqueue packets for TX and prepare them to be sent */
 598 static int
 599 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 600 {
 601         unsigned lcore_id, len;
 602         struct lcore_queue_conf *qconf;
 603
 604         lcore_id = rte_lcore_id();
 605
 606         qconf = &lcore_queue_conf[lcore_id];
 607         len = qconf->pkt_buf[port].len;
 608         qconf->pkt_buf[port].buffer[len] = m;
 609         len++;
 610
 611         /* enough pkts to be sent */
 612         if (unlikely(len == MAX_PKT_BURST)) {
 613                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 614                 len = 0;
 615         }
 616
 617         qconf->pkt_buf[port].len = len;
 618         return 0;
 619 }
 620
 621 static void
 622 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 623 {
 624         struct ether_hdr *eth;
 625         void *tmp;
 626
 627         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 628
 629         /* 02:00:00:00:00:xx */
 630         tmp = &eth->d_addr.addr_bytes[0];
 631         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 632
 633         /* src addr */
 634         ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 635 }
 636
 637 static void
 638 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 639                 struct l2fwd_crypto_options *options)
 640 {
 641         uint16_t dst_port;
 642
 643         dst_port = l2fwd_dst_ports[portid];
 644
 645         if (options->mac_updating)
 646                 l2fwd_mac_updating(m, dst_port);
 647
 648         l2fwd_send_packet(m, dst_port);
 649 }
 650
 651 /** Generate random key */
 652 static void
 653 generate_random_key(uint8_t *key, unsigned length)
 654 {
 655         int fd;
 656         int ret;
 657
 658         fd = open("/dev/urandom", O_RDONLY);
 659         if (fd < 0)
 660                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 661
 662         ret = read(fd, key, length);
 663         close(fd);
 664
 665         if (ret != (signed)length)
 666                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 667 }
 668
 669 static struct rte_cryptodev_sym_session *
 670 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 671 {
 672         struct rte_crypto_sym_xform *first_xform;
 673         struct rte_cryptodev_sym_session *session;
 674         int retval = rte_cryptodev_socket_id(cdev_id);
 675
 676         if (retval < 0)
 677                 return NULL;
 678
 679         uint8_t socket_id = (uint8_t) retval;
 680         struct rte_mempool *sess_mp = session_pool_socket[socket_id];
 681
 682         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 683                 first_xform = &options->aead_xform;
 684         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 685                 first_xform = &options->cipher_xform;
 686                 first_xform->next = &options->auth_xform;
 687         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 688                 first_xform = &options->auth_xform;
 689                 first_xform->next = &options->cipher_xform;
 690         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 691                 first_xform = &options->cipher_xform;
 692         } else {
 693                 first_xform = &options->auth_xform;
 694         }
 695
 696         session = rte_cryptodev_sym_session_create(sess_mp);
 697
 698         if (session == NULL)
 699                 return NULL;
 700
 701         if (rte_cryptodev_sym_session_init(cdev_id, session,
 702                                 first_xform, sess_mp) < 0)
 703                 return NULL;
 704
 705         return session;
 706 }
 707
 708 static void
 709 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 710
 711 /* main processing loop */
 712 static void
 713 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 714 {
 715         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 716         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 717
 718         unsigned lcore_id = rte_lcore_id();
 719         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 720         unsigned int i, j, nb_rx, len;
 721         uint16_t portid;
 722         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 723         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 724                         US_PER_S * BURST_TX_DRAIN_US;
 725         struct l2fwd_crypto_params *cparams;
 726         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 727         struct rte_cryptodev_sym_session *session;
 728
 729         if (qconf->nb_rx_ports == 0) {
 730                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 731                 return;
 732         }
 733
 734         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 735
 736         for (i = 0; i < qconf->nb_rx_ports; i++) {
 737
 738                 portid = qconf->rx_port_list[i];
 739                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 740                         portid);
 741         }
 742
 743         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 744                 port_cparams[i].do_cipher = 0;
 745                 port_cparams[i].do_hash = 0;
 746                 port_cparams[i].do_aead = 0;
 747
 748                 switch (options->xform_chain) {
 749                 case L2FWD_CRYPTO_AEAD:
 750                         port_cparams[i].do_aead = 1;
 751                         break;
 752                 case L2FWD_CRYPTO_CIPHER_HASH:
 753                 case L2FWD_CRYPTO_HASH_CIPHER:
 754                         port_cparams[i].do_cipher = 1;
 755                         port_cparams[i].do_hash = 1;
 756                         break;
 757                 case L2FWD_CRYPTO_HASH_ONLY:
 758                         port_cparams[i].do_hash = 1;
 759                         break;
 760                 case L2FWD_CRYPTO_CIPHER_ONLY:
 761                         port_cparams[i].do_cipher = 1;
 762                         break;
 763                 }
 764
 765                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 766                 port_cparams[i].qp_id = 0;
 767
 768                 port_cparams[i].block_size = options->block_size;
 769
 770                 if (port_cparams[i].do_hash) {
 771                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 772                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 773                         if (!options->auth_iv_param)
 774                                 generate_random_key(port_cparams[i].auth_iv.data,
 775                                                 port_cparams[i].auth_iv.length);
 776                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 777                                 port_cparams[i].hash_verify = 1;
 778                         else
 779                                 port_cparams[i].hash_verify = 0;
 780
 781                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 782                         port_cparams[i].digest_length =
 783                                         options->auth_xform.auth.digest_length;
 784                         /* Set IV parameters */
 785                         if (options->auth_iv.length) {
 786                                 options->auth_xform.auth.iv.offset =
 787                                         IV_OFFSET + options->cipher_iv.length;
 788                                 options->auth_xform.auth.iv.length =
 789                                         options->auth_iv.length;
 790                         }
 791                 }
 792
 793                 if (port_cparams[i].do_aead) {
 794                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 795                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 796                         if (!options->aead_iv_param)
 797                                 generate_random_key(port_cparams[i].aead_iv.data,
 798                                                 port_cparams[i].aead_iv.length);
 799                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 800                         port_cparams[i].digest_length =
 801                                         options->aead_xform.aead.digest_length;
 802                         if (options->aead_xform.aead.aad_length) {
 803                                 port_cparams[i].aad.data = options->aad.data;
 804                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 805                                 port_cparams[i].aad.length = options->aad.length;
 806                                 if (!options->aad_param)
 807                                         generate_random_key(port_cparams[i].aad.data,
 808                                                 port_cparams[i].aad.length);
 809                                 /*
 810                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 811                                  * and actual AAD should start from byte 18
 812                                  */
 813                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 814                                         memmove(port_cparams[i].aad.data + 18,
 815                                                         port_cparams[i].aad.data,
 816                                                         port_cparams[i].aad.length);
 817
 818                         } else
 819                                 port_cparams[i].aad.length = 0;
 820
 821                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 822                                 port_cparams[i].hash_verify = 1;
 823                         else
 824                                 port_cparams[i].hash_verify = 0;
 825
 826                         /* Set IV parameters */
 827                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 828                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 829                 }
 830
 831                 if (port_cparams[i].do_cipher) {
 832                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 833                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 834                         if (!options->cipher_iv_param)
 835                                 generate_random_key(port_cparams[i].cipher_iv.data,
 836                                                 port_cparams[i].cipher_iv.length);
 837
 838                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 839                         /* Set IV parameters */
 840                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 841                         options->cipher_xform.cipher.iv.length =
 842                                                 options->cipher_iv.length;
 843                 }
 844
 845                 session = initialize_crypto_session(options,
 846                                 port_cparams[i].dev_id);
 847                 if (session == NULL)
 848                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 849
 850                 port_cparams[i].session = session;
 851
 852                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 853                                 port_cparams[i].dev_id);
 854         }
 855
 856         l2fwd_crypto_options_print(options);
 857
 858         /*
 859          * Initialize previous tsc timestamp before the loop,
 860          * to avoid showing the port statistics immediately,
 861          * so user can see the crypto information.
 862          */
 863         prev_tsc = rte_rdtsc();
 864         while (1) {
 865
 866                 cur_tsc = rte_rdtsc();
 867
 868                 /*
 869                  * Crypto device/TX burst queue drain
 870                  */
 871                 diff_tsc = cur_tsc - prev_tsc;
 872                 if (unlikely(diff_tsc > drain_tsc)) {
 873                         /* Enqueue all crypto ops remaining in buffers */
 874                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 875                                 cparams = &port_cparams[i];
 876                                 len = qconf->op_buf[cparams->dev_id].len;
 877                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 878                                 qconf->op_buf[cparams->dev_id].len = 0;
 879                         }
 880                         /* Transmit all packets remaining in buffers */
 881                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 882                                 if (qconf->pkt_buf[portid].len == 0)
 883                                         continue;
 884                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 885                                                  qconf->pkt_buf[portid].len,
 886                                                  portid);
 887                                 qconf->pkt_buf[portid].len = 0;
 888                         }
 889
 890                         /* if timer is enabled */
 891                         if (timer_period > 0) {
 892
 893                                 /* advance the timer */
 894                                 timer_tsc += diff_tsc;
 895
 896                                 /* if timer has reached its timeout */
 897                                 if (unlikely(timer_tsc >=
 898                                                 (uint64_t)timer_period)) {
 899
 900                                         /* do this only on master core */
 901                                         if (lcore_id == rte_get_master_lcore()
 902                                                 && options->refresh_period) {
 903                                                 print_stats();
 904                                                 timer_tsc = 0;
 905                                         }
 906                                 }
 907                         }
 908
 909                         prev_tsc = cur_tsc;
 910                 }
 911
 912                 /*
 913                  * Read packet from RX queues
 914                  */
 915                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 916                         portid = qconf->rx_port_list[i];
 917
 918                         cparams = &port_cparams[i];
 919
 920                         nb_rx = rte_eth_rx_burst(portid, 0,
 921                                                  pkts_burst, MAX_PKT_BURST);
 922
 923                         port_statistics[portid].rx += nb_rx;
 924
 925                         if (nb_rx) {
 926                                 /*
 927                                  * If we can't allocate a crypto_ops, then drop
 928                                  * the rest of the burst and dequeue and
 929                                  * process the packets to free offload structs
 930                                  */
 931                                 if (rte_crypto_op_bulk_alloc(
 932                                                 l2fwd_crypto_op_pool,
 933                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 934                                                 ops_burst, nb_rx) !=
 935                                                                 nb_rx) {
 936                                         for (j = 0; j < nb_rx; j++)
 937                                                 rte_pktmbuf_free(pkts_burst[j]);
 938
 939                                         nb_rx = 0;
 940                                 }
 941
 942                                 /* Enqueue packets from Crypto device*/
 943                                 for (j = 0; j < nb_rx; j++) {
 944                                         m = pkts_burst[j];
 945
 946                                         l2fwd_simple_crypto_enqueue(m,
 947                                                         ops_burst[j], cparams);
 948                                 }
 949                         }
 950
 951                         /* Dequeue packets from Crypto device */
 952                         do {
 953                                 nb_rx = rte_cryptodev_dequeue_burst(
 954                                                 cparams->dev_id, cparams->qp_id,
 955                                                 ops_burst, MAX_PKT_BURST);
 956
 957                                 crypto_statistics[cparams->dev_id].dequeued +=
 958                                                 nb_rx;
 959
 960                                 /* Forward crypto'd packets */
 961                                 for (j = 0; j < nb_rx; j++) {
 962                                         m = ops_burst[j]->sym->m_src;
 963
 964                                         rte_crypto_op_free(ops_burst[j]);
 965                                         l2fwd_simple_forward(m, portid,
 966                                                         options);
 967                                 }
 968                         } while (nb_rx == MAX_PKT_BURST);
 969                 }
 970         }
 971 }
 972
 973 static int
 974 l2fwd_launch_one_lcore(void *arg)
 975 {
 976         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 977         return 0;
 978 }
 979
 980 /* Display command line arguments usage */
 981 static void
 982 l2fwd_crypto_usage(const char *prgname)
 983 {
 984         printf("%s [EAL options] --\n"
 985                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 986                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 987                 "  -s manage all ports from single lcore\n"
 988                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 989                 " (0 to disable, 10 default, 86400 maximum)\n"
 990
 991                 "  --cdev_type HW / SW / ANY\n"
 992                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 993                 " HASH_ONLY / AEAD\n"
 994
 995                 "  --cipher_algo ALGO\n"
 996                 "  --cipher_op ENCRYPT / DECRYPT\n"
 997                 "  --cipher_key KEY (bytes separated with \":\")\n"
 998                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 999                 "  --cipher_iv IV (bytes separated with \":\")\n"
1000                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
1001
1002                 "  --auth_algo ALGO\n"
1003                 "  --auth_op GENERATE / VERIFY\n"
1004                 "  --auth_key KEY (bytes separated with \":\")\n"
1005                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
1006                 "  --auth_iv IV (bytes separated with \":\")\n"
1007                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
1008
1009                 "  --aead_algo ALGO\n"
1010                 "  --aead_op ENCRYPT / DECRYPT\n"
1011                 "  --aead_key KEY (bytes separated with \":\")\n"
1012                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
1013                 "  --aead_iv IV (bytes separated with \":\")\n"
1014                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
1015                 "  --aad AAD (bytes separated with \":\")\n"
1016                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
1017
1018                 "  --digest_size SIZE: size of digest to be generated/verified\n"
1019
1020                 "  --sessionless\n"
1021                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1022
1023                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1024                 "      When enabled:\n"
1025                 "       - The source MAC address is replaced by the TX port MAC address\n"
1026                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1027                prgname);
1028 }
1029
1030 /** Parse crypto device type command line argument */
1031 static int
1032 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1033 {
1034         if (strcmp("HW", optarg) == 0) {
1035                 *type = CDEV_TYPE_HW;
1036                 return 0;
1037         } else if (strcmp("SW", optarg) == 0) {
1038                 *type = CDEV_TYPE_SW;
1039                 return 0;
1040         } else if (strcmp("ANY", optarg) == 0) {
1041                 *type = CDEV_TYPE_ANY;
1042                 return 0;
1043         }
1044
1045         return -1;
1046 }
1047
1048 /** Parse crypto chain xform command line argument */
1049 static int
1050 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1051 {
1052         if (strcmp("CIPHER_HASH", optarg) == 0) {
1053                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1054                 return 0;
1055         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1056                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1057                 return 0;
1058         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1059                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1060                 return 0;
1061         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1062                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1063                 return 0;
1064         } else if (strcmp("AEAD", optarg) == 0) {
1065                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1066                 return 0;
1067         }
1068
1069         return -1;
1070 }
1071
1072 /** Parse crypto cipher algo option command line argument */
1073 static int
1074 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1075 {
1076
1077         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1078                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1079                                 "not supported!\n");
1080                 return -1;
1081         }
1082
1083         return 0;
1084 }
1085
1086 /** Parse crypto cipher operation command line argument */
1087 static int
1088 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1089 {
1090         if (strcmp("ENCRYPT", optarg) == 0) {
1091                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1092                 return 0;
1093         } else if (strcmp("DECRYPT", optarg) == 0) {
1094                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1095                 return 0;
1096         }
1097
1098         printf("Cipher operation not supported!\n");
1099         return -1;
1100 }
1101
1102 /** Parse bytes from command line argument */
1103 static int
1104 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1105 {
1106         unsigned byte_count;
1107         char *token;
1108
1109         errno = 0;
1110         for (byte_count = 0, token = strtok(input_arg, ":");
1111                         (byte_count < max_size) && (token != NULL);
1112                         token = strtok(NULL, ":")) {
1113
1114                 int number = (int)strtol(token, NULL, 16);
1115
1116                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1117                         return -1;
1118
1119                 data[byte_count++] = (uint8_t)number;
1120         }
1121
1122         return byte_count;
1123 }
1124
1125 /** Parse size param*/
1126 static int
1127 parse_size(int *size, const char *q_arg)
1128 {
1129         char *end = NULL;
1130         unsigned long n;
1131
1132         /* parse hexadecimal string */
1133         n = strtoul(q_arg, &end, 10);
1134         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1135                 n = 0;
1136
1137         if (n == 0) {
1138                 printf("invalid size\n");
1139                 return -1;
1140         }
1141
1142         *size = n;
1143         return 0;
1144 }
1145
1146 /** Parse crypto cipher operation command line argument */
1147 static int
1148 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1149 {
1150         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1151                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1152                                 "not supported!\n");
1153                 return -1;
1154         }
1155
1156         return 0;
1157 }
1158
1159 static int
1160 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1161 {
1162         if (strcmp("VERIFY", optarg) == 0) {
1163                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1164                 return 0;
1165         } else if (strcmp("GENERATE", optarg) == 0) {
1166                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1167                 return 0;
1168         }
1169
1170         printf("Authentication operation specified not supported!\n");
1171         return -1;
1172 }
1173
1174 static int
1175 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1176 {
1177         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1178                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1179                                 "not supported!\n");
1180                 return -1;
1181         }
1182
1183         return 0;
1184 }
1185
1186 static int
1187 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1188 {
1189         if (strcmp("ENCRYPT", optarg) == 0) {
1190                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1191                 return 0;
1192         } else if (strcmp("DECRYPT", optarg) == 0) {
1193                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1194                 return 0;
1195         }
1196
1197         printf("AEAD operation specified not supported!\n");
1198         return -1;
1199 }
1200 static int
1201 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1202                 const char *q_arg)
1203 {
1204         char *end = NULL;
1205         uint64_t pm;
1206
1207         /* parse hexadecimal string */
1208         pm = strtoul(q_arg, &end, 16);
1209         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1210                 pm = 0;
1211
1212         options->cryptodev_mask = pm;
1213         if (options->cryptodev_mask == 0) {
1214                 printf("invalid cryptodev_mask specified\n");
1215                 return -1;
1216         }
1217
1218         return 0;
1219 }
1220
1221 /** Parse long options */
1222 static int
1223 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1224                 struct option *lgopts, int option_index)
1225 {
1226         int retval;
1227
1228         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1229                 retval = parse_cryptodev_type(&options->type, optarg);
1230                 if (retval == 0)
1231                         snprintf(options->string_type, MAX_STR_LEN,
1232                                 "%s", optarg);
1233                 return retval;
1234         }
1235
1236         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1237                 return parse_crypto_opt_chain(options, optarg);
1238
1239         /* Cipher options */
1240         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1241                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1242                                 optarg);
1243
1244         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1245                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1246                                 optarg);
1247
1248         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1249                 options->ckey_param = 1;
1250                 options->cipher_xform.cipher.key.length =
1251                         parse_bytes(options->cipher_xform.cipher.key.data, optarg,
1252                                         MAX_KEY_SIZE);
1253                 if (options->cipher_xform.cipher.key.length > 0)
1254                         return 0;
1255                 else
1256                         return -1;
1257         }
1258
1259         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1260                 return parse_size(&options->ckey_random_size, optarg);
1261
1262         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1263                 options->cipher_iv_param = 1;
1264                 options->cipher_iv.length =
1265                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1266                 if (options->cipher_iv.length > 0)
1267                         return 0;
1268                 else
1269                         return -1;
1270         }
1271
1272         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1273                 return parse_size(&options->cipher_iv_random_size, optarg);
1274
1275         /* Authentication options */
1276         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1277                 return parse_auth_algo(&options->auth_xform.auth.algo,
1278                                 optarg);
1279         }
1280
1281         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1282                 return parse_auth_op(&options->auth_xform.auth.op,
1283                                 optarg);
1284
1285         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1286                 options->akey_param = 1;
1287                 options->auth_xform.auth.key.length =
1288                         parse_bytes(options->auth_xform.auth.key.data, optarg,
1289                                         MAX_KEY_SIZE);
1290                 if (options->auth_xform.auth.key.length > 0)
1291                         return 0;
1292                 else
1293                         return -1;
1294         }
1295
1296         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1297                 return parse_size(&options->akey_random_size, optarg);
1298         }
1299
1300         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1301                 options->auth_iv_param = 1;
1302                 options->auth_iv.length =
1303                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1304                 if (options->auth_iv.length > 0)
1305                         return 0;
1306                 else
1307                         return -1;
1308         }
1309
1310         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1311                 return parse_size(&options->auth_iv_random_size, optarg);
1312
1313         /* AEAD options */
1314         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1315                 return parse_aead_algo(&options->aead_xform.aead.algo,
1316                                 optarg);
1317         }
1318
1319         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1320                 return parse_aead_op(&options->aead_xform.aead.op,
1321                                 optarg);
1322
1323         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1324                 options->aead_key_param = 1;
1325                 options->aead_xform.aead.key.length =
1326                         parse_bytes(options->aead_xform.aead.key.data, optarg,
1327                                         MAX_KEY_SIZE);
1328                 if (options->aead_xform.aead.key.length > 0)
1329                         return 0;
1330                 else
1331                         return -1;
1332         }
1333
1334         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1335                 return parse_size(&options->aead_key_random_size, optarg);
1336
1337
1338         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1339                 options->aead_iv_param = 1;
1340                 options->aead_iv.length =
1341                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1342                 if (options->aead_iv.length > 0)
1343                         return 0;
1344                 else
1345                         return -1;
1346         }
1347
1348         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1349                 return parse_size(&options->aead_iv_random_size, optarg);
1350
1351         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1352                 options->aad_param = 1;
1353                 options->aad.length =
1354                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1355                 if (options->aad.length > 0)
1356                         return 0;
1357                 else
1358                         return -1;
1359         }
1360
1361         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1362                 return parse_size(&options->aad_random_size, optarg);
1363         }
1364
1365         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1366                 return parse_size(&options->digest_size, optarg);
1367         }
1368
1369         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1370                 options->sessionless = 1;
1371                 return 0;
1372         }
1373
1374         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1375                 return parse_cryptodev_mask(options, optarg);
1376
1377         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1378                 options->mac_updating = 1;
1379                 return 0;
1380         }
1381
1382         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1383                 options->mac_updating = 0;
1384                 return 0;
1385         }
1386
1387         return -1;
1388 }
1389
1390 /** Parse port mask */
1391 static int
1392 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1393                 const char *q_arg)
1394 {
1395         char *end = NULL;
1396         unsigned long pm;
1397
1398         /* parse hexadecimal string */
1399         pm = strtoul(q_arg, &end, 16);
1400         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1401                 pm = 0;
1402
1403         options->portmask = pm;
1404         if (options->portmask == 0) {
1405                 printf("invalid portmask specified\n");
1406                 return -1;
1407         }
1408
1409         return pm;
1410 }
1411
1412 /** Parse number of queues */
1413 static int
1414 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1415                 const char *q_arg)
1416 {
1417         char *end = NULL;
1418         unsigned long n;
1419
1420         /* parse hexadecimal string */
1421         n = strtoul(q_arg, &end, 10);
1422         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1423                 n = 0;
1424         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1425                 n = 0;
1426
1427         options->nb_ports_per_lcore = n;
1428         if (options->nb_ports_per_lcore == 0) {
1429                 printf("invalid number of ports selected\n");
1430                 return -1;
1431         }
1432
1433         return 0;
1434 }
1435
1436 /** Parse timer period */
1437 static int
1438 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1439                 const char *q_arg)
1440 {
1441         char *end = NULL;
1442         unsigned long n;
1443
1444         /* parse number string */
1445         n = (unsigned)strtol(q_arg, &end, 10);
1446         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1447                 n = 0;
1448
1449         if (n >= MAX_TIMER_PERIOD) {
1450                 printf("Warning refresh period specified %lu is greater than "
1451                                 "max value %lu! using max value",
1452                                 n, MAX_TIMER_PERIOD);
1453                 n = MAX_TIMER_PERIOD;
1454         }
1455
1456         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1457
1458         return 0;
1459 }
1460
1461 /** Generate default options for application */
1462 static void
1463 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1464 {
1465         options->portmask = 0xffffffff;
1466         options->nb_ports_per_lcore = 1;
1467         options->refresh_period = 10000;
1468         options->single_lcore = 0;
1469         options->sessionless = 0;
1470
1471         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1472
1473         /* Cipher Data */
1474         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1475         options->cipher_xform.next = NULL;
1476         options->ckey_param = 0;
1477         options->ckey_random_size = -1;
1478         options->cipher_xform.cipher.key.length = 0;
1479         options->cipher_iv_param = 0;
1480         options->cipher_iv_random_size = -1;
1481         options->cipher_iv.length = 0;
1482
1483         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1484         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1485
1486         /* Authentication Data */
1487         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1488         options->auth_xform.next = NULL;
1489         options->akey_param = 0;
1490         options->akey_random_size = -1;
1491         options->auth_xform.auth.key.length = 0;
1492         options->auth_iv_param = 0;
1493         options->auth_iv_random_size = -1;
1494         options->auth_iv.length = 0;
1495
1496         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1497         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1498
1499         /* AEAD Data */
1500         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1501         options->aead_xform.next = NULL;
1502         options->aead_key_param = 0;
1503         options->aead_key_random_size = -1;
1504         options->aead_xform.aead.key.length = 0;
1505         options->aead_iv_param = 0;
1506         options->aead_iv_random_size = -1;
1507         options->aead_iv.length = 0;
1508
1509         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1510         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1511
1512         options->aad_param = 0;
1513         options->aad_random_size = -1;
1514         options->aad.length = 0;
1515
1516         options->digest_size = -1;
1517
1518         options->type = CDEV_TYPE_ANY;
1519         options->cryptodev_mask = UINT64_MAX;
1520
1521         options->mac_updating = 1;
1522 }
1523
1524 static void
1525 display_cipher_info(struct l2fwd_crypto_options *options)
1526 {
1527         printf("\n---- Cipher information ---\n");
1528         printf("Algorithm: %s\n",
1529                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1530         rte_hexdump(stdout, "Cipher key:",
1531                         options->cipher_xform.cipher.key.data,
1532                         options->cipher_xform.cipher.key.length);
1533         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1534 }
1535
1536 static void
1537 display_auth_info(struct l2fwd_crypto_options *options)
1538 {
1539         printf("\n---- Authentication information ---\n");
1540         printf("Algorithm: %s\n",
1541                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1542         rte_hexdump(stdout, "Auth key:",
1543                         options->auth_xform.auth.key.data,
1544                         options->auth_xform.auth.key.length);
1545         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1546 }
1547
1548 static void
1549 display_aead_info(struct l2fwd_crypto_options *options)
1550 {
1551         printf("\n---- AEAD information ---\n");
1552         printf("Algorithm: %s\n",
1553                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1554         rte_hexdump(stdout, "AEAD key:",
1555                         options->aead_xform.aead.key.data,
1556                         options->aead_xform.aead.key.length);
1557         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1558         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1559 }
1560
1561 static void
1562 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1563 {
1564         char string_cipher_op[MAX_STR_LEN];
1565         char string_auth_op[MAX_STR_LEN];
1566         char string_aead_op[MAX_STR_LEN];
1567
1568         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1569                 strcpy(string_cipher_op, "Encrypt");
1570         else
1571                 strcpy(string_cipher_op, "Decrypt");
1572
1573         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1574                 strcpy(string_auth_op, "Auth generate");
1575         else
1576                 strcpy(string_auth_op, "Auth verify");
1577
1578         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1579                 strcpy(string_aead_op, "Authenticated encryption");
1580         else
1581                 strcpy(string_aead_op, "Authenticated decryption");
1582
1583
1584         printf("Options:-\nn");
1585         printf("portmask: %x\n", options->portmask);
1586         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1587         printf("refresh period : %u\n", options->refresh_period);
1588         printf("single lcore mode: %s\n",
1589                         options->single_lcore ? "enabled" : "disabled");
1590         printf("stats_printing: %s\n",
1591                         options->refresh_period == 0 ? "disabled" : "enabled");
1592
1593         printf("sessionless crypto: %s\n",
1594                         options->sessionless ? "enabled" : "disabled");
1595
1596         if (options->ckey_param && (options->ckey_random_size != -1))
1597                 printf("Cipher key already parsed, ignoring size of random key\n");
1598
1599         if (options->akey_param && (options->akey_random_size != -1))
1600                 printf("Auth key already parsed, ignoring size of random key\n");
1601
1602         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1603                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1604
1605         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1606                 printf("Auth IV already parsed, ignoring size of random IV\n");
1607
1608         if (options->aad_param && (options->aad_random_size != -1))
1609                 printf("AAD already parsed, ignoring size of random AAD\n");
1610
1611         printf("\nCrypto chain: ");
1612         switch (options->xform_chain) {
1613         case L2FWD_CRYPTO_AEAD:
1614                 printf("Input --> %s --> Output\n", string_aead_op);
1615                 display_aead_info(options);
1616                 break;
1617         case L2FWD_CRYPTO_CIPHER_HASH:
1618                 printf("Input --> %s --> %s --> Output\n",
1619                         string_cipher_op, string_auth_op);
1620                 display_cipher_info(options);
1621                 display_auth_info(options);
1622                 break;
1623         case L2FWD_CRYPTO_HASH_CIPHER:
1624                 printf("Input --> %s --> %s --> Output\n",
1625                         string_auth_op, string_cipher_op);
1626                 display_cipher_info(options);
1627                 display_auth_info(options);
1628                 break;
1629         case L2FWD_CRYPTO_HASH_ONLY:
1630                 printf("Input --> %s --> Output\n", string_auth_op);
1631                 display_auth_info(options);
1632                 break;
1633         case L2FWD_CRYPTO_CIPHER_ONLY:
1634                 printf("Input --> %s --> Output\n", string_cipher_op);
1635                 display_cipher_info(options);
1636                 break;
1637         }
1638 }
1639
1640 /* Parse the argument given in the command line of the application */
1641 static int
1642 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1643                 int argc, char **argv)
1644 {
1645         int opt, retval, option_index;
1646         char **argvopt = argv, *prgname = argv[0];
1647
1648         static struct option lgopts[] = {
1649                         { "sessionless", no_argument, 0, 0 },
1650
1651                         { "cdev_type", required_argument, 0, 0 },
1652                         { "chain", required_argument, 0, 0 },
1653
1654                         { "cipher_algo", required_argument, 0, 0 },
1655                         { "cipher_op", required_argument, 0, 0 },
1656                         { "cipher_key", required_argument, 0, 0 },
1657                         { "cipher_key_random_size", required_argument, 0, 0 },
1658                         { "cipher_iv", required_argument, 0, 0 },
1659                         { "cipher_iv_random_size", required_argument, 0, 0 },
1660
1661                         { "auth_algo", required_argument, 0, 0 },
1662                         { "auth_op", required_argument, 0, 0 },
1663                         { "auth_key", required_argument, 0, 0 },
1664                         { "auth_key_random_size", required_argument, 0, 0 },
1665                         { "auth_iv", required_argument, 0, 0 },
1666                         { "auth_iv_random_size", required_argument, 0, 0 },
1667
1668                         { "aead_algo", required_argument, 0, 0 },
1669                         { "aead_op", required_argument, 0, 0 },
1670                         { "aead_key", required_argument, 0, 0 },
1671                         { "aead_key_random_size", required_argument, 0, 0 },
1672                         { "aead_iv", required_argument, 0, 0 },
1673                         { "aead_iv_random_size", required_argument, 0, 0 },
1674
1675                         { "aad", required_argument, 0, 0 },
1676                         { "aad_random_size", required_argument, 0, 0 },
1677
1678                         { "digest_size", required_argument, 0, 0 },
1679
1680                         { "sessionless", no_argument, 0, 0 },
1681                         { "cryptodev_mask", required_argument, 0, 0},
1682
1683                         { "mac-updating", no_argument, 0, 0},
1684                         { "no-mac-updating", no_argument, 0, 0},
1685
1686                         { NULL, 0, 0, 0 }
1687         };
1688
1689         l2fwd_crypto_default_options(options);
1690
1691         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1692                         &option_index)) != EOF) {
1693                 switch (opt) {
1694                 /* long options */
1695                 case 0:
1696                         retval = l2fwd_crypto_parse_args_long_options(options,
1697                                         lgopts, option_index);
1698                         if (retval < 0) {
1699                                 l2fwd_crypto_usage(prgname);
1700                                 return -1;
1701                         }
1702                         break;
1703
1704                 /* portmask */
1705                 case 'p':
1706                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1707                         if (retval < 0) {
1708                                 l2fwd_crypto_usage(prgname);
1709                                 return -1;
1710                         }
1711                         break;
1712
1713                 /* nqueue */
1714                 case 'q':
1715                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1716                         if (retval < 0) {
1717                                 l2fwd_crypto_usage(prgname);
1718                                 return -1;
1719                         }
1720                         break;
1721
1722                 /* single  */
1723                 case 's':
1724                         options->single_lcore = 1;
1725
1726                         break;
1727
1728                 /* timer period */
1729                 case 'T':
1730                         retval = l2fwd_crypto_parse_timer_period(options,
1731                                         optarg);
1732                         if (retval < 0) {
1733                                 l2fwd_crypto_usage(prgname);
1734                                 return -1;
1735                         }
1736                         break;
1737
1738                 default:
1739                         l2fwd_crypto_usage(prgname);
1740                         return -1;
1741                 }
1742         }
1743
1744
1745         if (optind >= 0)
1746                 argv[optind-1] = prgname;
1747
1748         retval = optind-1;
1749         optind = 1; /* reset getopt lib */
1750
1751         return retval;
1752 }
1753
1754 /* Check the link status of all ports in up to 9s, and print them finally */
1755 static void
1756 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1757 {
1758 #define CHECK_INTERVAL 100 /* 100ms */
1759 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1760         uint16_t portid;
1761         uint8_t count, all_ports_up, print_flag = 0;
1762         struct rte_eth_link link;
1763
1764         printf("\nChecking link status");
1765         fflush(stdout);
1766         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1767                 all_ports_up = 1;
1768                 for (portid = 0; portid < port_num; portid++) {
1769                         if ((port_mask & (1 << portid)) == 0)
1770                                 continue;
1771                         memset(&link, 0, sizeof(link));
1772                         rte_eth_link_get_nowait(portid, &link);
1773                         /* print link status if flag set */
1774                         if (print_flag == 1) {
1775                                 if (link.link_status)
1776                                         printf(
1777                                         "Port%d Link Up. Speed %u Mbps - %s\n",
1778                                                 portid, link.link_speed,
1779                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1780                                         ("full-duplex") : ("half-duplex\n"));
1781                                 else
1782                                         printf("Port %d Link Down\n", portid);
1783                                 continue;
1784                         }
1785                         /* clear all_ports_up flag if any link down */
1786                         if (link.link_status == ETH_LINK_DOWN) {
1787                                 all_ports_up = 0;
1788                                 break;
1789                         }
1790                 }
1791                 /* after finally printing all link status, get out */
1792                 if (print_flag == 1)
1793                         break;
1794
1795                 if (all_ports_up == 0) {
1796                         printf(".");
1797                         fflush(stdout);
1798                         rte_delay_ms(CHECK_INTERVAL);
1799                 }
1800
1801                 /* set the print_flag if all ports up or timeout */
1802                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1803                         print_flag = 1;
1804                         printf("done\n");
1805                 }
1806         }
1807 }
1808
1809 /* Check if device has to be HW/SW or any */
1810 static int
1811 check_type(const struct l2fwd_crypto_options *options,
1812                 const struct rte_cryptodev_info *dev_info)
1813 {
1814         if (options->type == CDEV_TYPE_HW &&
1815                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1816                 return 0;
1817         if (options->type == CDEV_TYPE_SW &&
1818                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1819                 return 0;
1820         if (options->type == CDEV_TYPE_ANY)
1821                 return 0;
1822
1823         return -1;
1824 }
1825
1826 static const struct rte_cryptodev_capabilities *
1827 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1828                 const struct rte_cryptodev_info *dev_info,
1829                 uint8_t cdev_id)
1830 {
1831         unsigned int i = 0;
1832         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1833         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1834         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1835                                         options->cipher_xform.cipher.algo;
1836
1837         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1838                 cap_cipher_algo = cap->sym.cipher.algo;
1839                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1840                         if (cap_cipher_algo == opt_cipher_algo) {
1841                                 if (check_type(options, dev_info) == 0)
1842                                         break;
1843                         }
1844                 }
1845                 cap = &dev_info->capabilities[++i];
1846         }
1847
1848         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1849                 printf("Algorithm %s not supported by cryptodev %u"
1850                         " or device not of preferred type (%s)\n",
1851                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1852                         cdev_id,
1853                         options->string_type);
1854                 return NULL;
1855         }
1856
1857         return cap;
1858 }
1859
1860 static const struct rte_cryptodev_capabilities *
1861 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1862                 const struct rte_cryptodev_info *dev_info,
1863                 uint8_t cdev_id)
1864 {
1865         unsigned int i = 0;
1866         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1867         enum rte_crypto_auth_algorithm cap_auth_algo;
1868         enum rte_crypto_auth_algorithm opt_auth_algo =
1869                                         options->auth_xform.auth.algo;
1870
1871         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1872                 cap_auth_algo = cap->sym.auth.algo;
1873                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1874                         if (cap_auth_algo == opt_auth_algo) {
1875                                 if (check_type(options, dev_info) == 0)
1876                                         break;
1877                         }
1878                 }
1879                 cap = &dev_info->capabilities[++i];
1880         }
1881
1882         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1883                 printf("Algorithm %s not supported by cryptodev %u"
1884                         " or device not of preferred type (%s)\n",
1885                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1886                         cdev_id,
1887                         options->string_type);
1888                 return NULL;
1889         }
1890
1891         return cap;
1892 }
1893
1894 static const struct rte_cryptodev_capabilities *
1895 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1896                 const struct rte_cryptodev_info *dev_info,
1897                 uint8_t cdev_id)
1898 {
1899         unsigned int i = 0;
1900         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1901         enum rte_crypto_aead_algorithm cap_aead_algo;
1902         enum rte_crypto_aead_algorithm opt_aead_algo =
1903                                         options->aead_xform.aead.algo;
1904
1905         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1906                 cap_aead_algo = cap->sym.aead.algo;
1907                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1908                         if (cap_aead_algo == opt_aead_algo) {
1909                                 if (check_type(options, dev_info) == 0)
1910                                         break;
1911                         }
1912                 }
1913                 cap = &dev_info->capabilities[++i];
1914         }
1915
1916         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1917                 printf("Algorithm %s not supported by cryptodev %u"
1918                         " or device not of preferred type (%s)\n",
1919                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1920                         cdev_id,
1921                         options->string_type);
1922                 return NULL;
1923         }
1924
1925         return cap;
1926 }
1927
1928 /* Check if the device is enabled by cryptodev_mask */
1929 static int
1930 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1931                 uint8_t cdev_id)
1932 {
1933         if (options->cryptodev_mask & (1 << cdev_id))
1934                 return 0;
1935
1936         return -1;
1937 }
1938
1939 static inline int
1940 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1941                 uint16_t increment)
1942 {
1943         uint16_t supp_size;
1944
1945         /* Single value */
1946         if (increment == 0) {
1947                 if (length == min)
1948                         return 0;
1949                 else
1950                         return -1;
1951         }
1952
1953         /* Range of values */
1954         for (supp_size = min; supp_size <= max; supp_size += increment) {
1955                 if (length == supp_size)
1956                         return 0;
1957         }
1958
1959         return -1;
1960 }
1961
1962 static int
1963 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1964                 unsigned int iv_param, int iv_random_size,
1965                 uint16_t *iv_length)
1966 {
1967         /*
1968          * Check if length of provided IV is supported
1969          * by the algorithm chosen.
1970          */
1971         if (iv_param) {
1972                 if (check_supported_size(*iv_length,
1973                                 iv_range_size->min,
1974                                 iv_range_size->max,
1975                                 iv_range_size->increment)
1976                                         != 0) {
1977                         printf("Unsupported IV length\n");
1978                         return -1;
1979                 }
1980         /*
1981          * Check if length of IV to be randomly generated
1982          * is supported by the algorithm chosen.
1983          */
1984         } else if (iv_random_size != -1) {
1985                 if (check_supported_size(iv_random_size,
1986                                 iv_range_size->min,
1987                                 iv_range_size->max,
1988                                 iv_range_size->increment)
1989                                         != 0) {
1990                         printf("Unsupported IV length\n");
1991                         return -1;
1992                 }
1993                 *iv_length = iv_random_size;
1994         /* No size provided, use minimum size. */
1995         } else
1996                 *iv_length = iv_range_size->min;
1997
1998         return 0;
1999 }
2000
2001 static int
2002 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2003                 uint8_t *enabled_cdevs)
2004 {
2005         unsigned int cdev_id, cdev_count, enabled_cdev_count = 0;
2006         const struct rte_cryptodev_capabilities *cap;
2007         unsigned int sess_sz, max_sess_sz = 0;
2008         int retval;
2009
2010         cdev_count = rte_cryptodev_count();
2011         if (cdev_count == 0) {
2012                 printf("No crypto devices available\n");
2013                 return -1;
2014         }
2015
2016         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2017                 sess_sz = rte_cryptodev_get_private_session_size(cdev_id);
2018                 if (sess_sz > max_sess_sz)
2019                         max_sess_sz = sess_sz;
2020         }
2021
2022         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2023                         cdev_id++) {
2024                 struct rte_cryptodev_qp_conf qp_conf;
2025                 struct rte_cryptodev_info dev_info;
2026                 retval = rte_cryptodev_socket_id(cdev_id);
2027
2028                 if (retval < 0) {
2029                         printf("Invalid crypto device id used\n");
2030                         return -1;
2031                 }
2032
2033                 uint8_t socket_id = (uint8_t) retval;
2034
2035                 struct rte_cryptodev_config conf = {
2036                         .nb_queue_pairs = 1,
2037                         .socket_id = socket_id,
2038                 };
2039
2040                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
2041                         continue;
2042
2043                 rte_cryptodev_info_get(cdev_id, &dev_info);
2044
2045                 if (session_pool_socket[socket_id] == NULL) {
2046                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2047                         struct rte_mempool *sess_mp;
2048
2049                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2050                                 "sess_mp_%u", socket_id);
2051
2052                         /*
2053                          * Create enough objects for session headers and
2054                          * device private data
2055                          */
2056                         sess_mp = rte_mempool_create(mp_name,
2057                                                 MAX_SESSIONS * 2,
2058                                                 max_sess_sz,
2059                                                 SESSION_POOL_CACHE_SIZE,
2060                                                 0, NULL, NULL, NULL,
2061                                                 NULL, socket_id,
2062                                                 0);
2063
2064                         if (sess_mp == NULL) {
2065                                 printf("Cannot create session pool on socket %d\n",
2066                                         socket_id);
2067                                 return -ENOMEM;
2068                         }
2069
2070                         printf("Allocated session pool on socket %d\n", socket_id);
2071                         session_pool_socket[socket_id] = sess_mp;
2072                 }
2073
2074                 /* Set AEAD parameters */
2075                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2076                         /* Check if device supports AEAD algo */
2077                         cap = check_device_support_aead_algo(options, &dev_info,
2078                                                         cdev_id);
2079                         if (cap == NULL)
2080                                 continue;
2081
2082                         options->block_size = cap->sym.aead.block_size;
2083
2084                         if (check_iv_param(&cap->sym.aead.iv_size,
2085                                         options->aead_iv_param,
2086                                         options->aead_iv_random_size,
2087                                         &options->aead_iv.length) < 0)
2088                                 continue;
2089
2090                         /*
2091                          * Check if length of provided AEAD key is supported
2092                          * by the algorithm chosen.
2093                          */
2094                         if (options->aead_key_param) {
2095                                 if (check_supported_size(
2096                                                 options->aead_xform.aead.key.length,
2097                                                 cap->sym.aead.key_size.min,
2098                                                 cap->sym.aead.key_size.max,
2099                                                 cap->sym.aead.key_size.increment)
2100                                                         != 0) {
2101                                         printf("Unsupported aead key length\n");
2102                                         continue;
2103                                 }
2104                         /*
2105                          * Check if length of the aead key to be randomly generated
2106                          * is supported by the algorithm chosen.
2107                          */
2108                         } else if (options->aead_key_random_size != -1) {
2109                                 if (check_supported_size(options->aead_key_random_size,
2110                                                 cap->sym.aead.key_size.min,
2111                                                 cap->sym.aead.key_size.max,
2112                                                 cap->sym.aead.key_size.increment)
2113                                                         != 0) {
2114                                         printf("Unsupported aead key length\n");
2115                                         continue;
2116                                 }
2117                                 options->aead_xform.aead.key.length =
2118                                                         options->aead_key_random_size;
2119                         /* No size provided, use minimum size. */
2120                         } else
2121                                 options->aead_xform.aead.key.length =
2122                                                 cap->sym.aead.key_size.min;
2123
2124                         if (!options->aead_key_param)
2125                                 generate_random_key(
2126                                         options->aead_xform.aead.key.data,
2127                                         options->aead_xform.aead.key.length);
2128
2129                         /*
2130                          * Check if length of provided AAD is supported
2131                          * by the algorithm chosen.
2132                          */
2133                         if (options->aad_param) {
2134                                 if (check_supported_size(options->aad.length,
2135                                                 cap->sym.aead.aad_size.min,
2136                                                 cap->sym.aead.aad_size.max,
2137                                                 cap->sym.aead.aad_size.increment)
2138                                                         != 0) {
2139                                         printf("Unsupported AAD length\n");
2140                                         continue;
2141                                 }
2142                         /*
2143                          * Check if length of AAD to be randomly generated
2144                          * is supported by the algorithm chosen.
2145                          */
2146                         } else if (options->aad_random_size != -1) {
2147                                 if (check_supported_size(options->aad_random_size,
2148                                                 cap->sym.aead.aad_size.min,
2149                                                 cap->sym.aead.aad_size.max,
2150                                                 cap->sym.aead.aad_size.increment)
2151                                                         != 0) {
2152                                         printf("Unsupported AAD length\n");
2153                                         continue;
2154                                 }
2155                                 options->aad.length = options->aad_random_size;
2156                         /* No size provided, use minimum size. */
2157                         } else
2158                                 options->aad.length = cap->sym.auth.aad_size.min;
2159
2160                         options->aead_xform.aead.aad_length =
2161                                                 options->aad.length;
2162
2163                         /* Check if digest size is supported by the algorithm. */
2164                         if (options->digest_size != -1) {
2165                                 if (check_supported_size(options->digest_size,
2166                                                 cap->sym.aead.digest_size.min,
2167                                                 cap->sym.aead.digest_size.max,
2168                                                 cap->sym.aead.digest_size.increment)
2169                                                         != 0) {
2170                                         printf("Unsupported digest length\n");
2171                                         continue;
2172                                 }
2173                                 options->aead_xform.aead.digest_length =
2174                                                         options->digest_size;
2175                         /* No size provided, use minimum size. */
2176                         } else
2177                                 options->aead_xform.aead.digest_length =
2178                                                 cap->sym.aead.digest_size.min;
2179                 }
2180
2181                 /* Set cipher parameters */
2182                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2183                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2184                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2185                         /* Check if device supports cipher algo */
2186                         cap = check_device_support_cipher_algo(options, &dev_info,
2187                                                         cdev_id);
2188                         if (cap == NULL)
2189                                 continue;
2190
2191                         options->block_size = cap->sym.cipher.block_size;
2192
2193                         if (check_iv_param(&cap->sym.cipher.iv_size,
2194                                         options->cipher_iv_param,
2195                                         options->cipher_iv_random_size,
2196                                         &options->cipher_iv.length) < 0)
2197                                 continue;
2198
2199                         /*
2200                          * Check if length of provided cipher key is supported
2201                          * by the algorithm chosen.
2202                          */
2203                         if (options->ckey_param) {
2204                                 if (check_supported_size(
2205                                                 options->cipher_xform.cipher.key.length,
2206                                                 cap->sym.cipher.key_size.min,
2207                                                 cap->sym.cipher.key_size.max,
2208                                                 cap->sym.cipher.key_size.increment)
2209                                                         != 0) {
2210                                         printf("Unsupported cipher key length\n");
2211                                         continue;
2212                                 }
2213                         /*
2214                          * Check if length of the cipher key to be randomly generated
2215                          * is supported by the algorithm chosen.
2216                          */
2217                         } else if (options->ckey_random_size != -1) {
2218                                 if (check_supported_size(options->ckey_random_size,
2219                                                 cap->sym.cipher.key_size.min,
2220                                                 cap->sym.cipher.key_size.max,
2221                                                 cap->sym.cipher.key_size.increment)
2222                                                         != 0) {
2223                                         printf("Unsupported cipher key length\n");
2224                                         continue;
2225                                 }
2226                                 options->cipher_xform.cipher.key.length =
2227                                                         options->ckey_random_size;
2228                         /* No size provided, use minimum size. */
2229                         } else
2230                                 options->cipher_xform.cipher.key.length =
2231                                                 cap->sym.cipher.key_size.min;
2232
2233                         if (!options->ckey_param)
2234                                 generate_random_key(
2235                                         options->cipher_xform.cipher.key.data,
2236                                         options->cipher_xform.cipher.key.length);
2237
2238                 }
2239
2240                 /* Set auth parameters */
2241                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2242                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2243                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2244                         /* Check if device supports auth algo */
2245                         cap = check_device_support_auth_algo(options, &dev_info,
2246                                                         cdev_id);
2247                         if (cap == NULL)
2248                                 continue;
2249
2250                         if (check_iv_param(&cap->sym.auth.iv_size,
2251                                         options->auth_iv_param,
2252                                         options->auth_iv_random_size,
2253                                         &options->auth_iv.length) < 0)
2254                                 continue;
2255                         /*
2256                          * Check if length of provided auth key is supported
2257                          * by the algorithm chosen.
2258                          */
2259                         if (options->akey_param) {
2260                                 if (check_supported_size(
2261                                                 options->auth_xform.auth.key.length,
2262                                                 cap->sym.auth.key_size.min,
2263                                                 cap->sym.auth.key_size.max,
2264                                                 cap->sym.auth.key_size.increment)
2265                                                         != 0) {
2266                                         printf("Unsupported auth key length\n");
2267                                         continue;
2268                                 }
2269                         /*
2270                          * Check if length of the auth key to be randomly generated
2271                          * is supported by the algorithm chosen.
2272                          */
2273                         } else if (options->akey_random_size != -1) {
2274                                 if (check_supported_size(options->akey_random_size,
2275                                                 cap->sym.auth.key_size.min,
2276                                                 cap->sym.auth.key_size.max,
2277                                                 cap->sym.auth.key_size.increment)
2278                                                         != 0) {
2279                                         printf("Unsupported auth key length\n");
2280                                         continue;
2281                                 }
2282                                 options->auth_xform.auth.key.length =
2283                                                         options->akey_random_size;
2284                         /* No size provided, use minimum size. */
2285                         } else
2286                                 options->auth_xform.auth.key.length =
2287                                                 cap->sym.auth.key_size.min;
2288
2289                         if (!options->akey_param)
2290                                 generate_random_key(
2291                                         options->auth_xform.auth.key.data,
2292                                         options->auth_xform.auth.key.length);
2293
2294                         /* Check if digest size is supported by the algorithm. */
2295                         if (options->digest_size != -1) {
2296                                 if (check_supported_size(options->digest_size,
2297                                                 cap->sym.auth.digest_size.min,
2298                                                 cap->sym.auth.digest_size.max,
2299                                                 cap->sym.auth.digest_size.increment)
2300                                                         != 0) {
2301                                         printf("Unsupported digest length\n");
2302                                         continue;
2303                                 }
2304                                 options->auth_xform.auth.digest_length =
2305                                                         options->digest_size;
2306                         /* No size provided, use minimum size. */
2307                         } else
2308                                 options->auth_xform.auth.digest_length =
2309                                                 cap->sym.auth.digest_size.min;
2310                 }
2311
2312                 retval = rte_cryptodev_configure(cdev_id, &conf);
2313                 if (retval < 0) {
2314                         printf("Failed to configure cryptodev %u", cdev_id);
2315                         return -1;
2316                 }
2317
2318                 qp_conf.nb_descriptors = 2048;
2319
2320                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2321                                 socket_id, session_pool_socket[socket_id]);
2322                 if (retval < 0) {
2323                         printf("Failed to setup queue pair %u on cryptodev %u",
2324                                         0, cdev_id);
2325                         return -1;
2326                 }
2327
2328                 retval = rte_cryptodev_start(cdev_id);
2329                 if (retval < 0) {
2330                         printf("Failed to start device %u: error %d\n",
2331                                         cdev_id, retval);
2332                         return -1;
2333                 }
2334
2335                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2336
2337                 enabled_cdevs[cdev_id] = 1;
2338                 enabled_cdev_count++;
2339         }
2340
2341         return enabled_cdev_count;
2342 }
2343
2344 static int
2345 initialize_ports(struct l2fwd_crypto_options *options)
2346 {
2347         uint16_t last_portid, portid;
2348         unsigned enabled_portcount = 0;
2349         unsigned nb_ports = rte_eth_dev_count();
2350
2351         if (nb_ports == 0) {
2352                 printf("No Ethernet ports - bye\n");
2353                 return -1;
2354         }
2355
2356         /* Reset l2fwd_dst_ports */
2357         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2358                 l2fwd_dst_ports[portid] = 0;
2359
2360         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
2361                 int retval;
2362
2363                 /* Skip ports that are not enabled */
2364                 if ((options->portmask & (1 << portid)) == 0)
2365                         continue;
2366
2367                 /* init port */
2368                 printf("Initializing port %u... ", portid);
2369                 fflush(stdout);
2370                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
2371                 if (retval < 0) {
2372                         printf("Cannot configure device: err=%d, port=%u\n",
2373                                   retval, portid);
2374                         return -1;
2375                 }
2376
2377                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2378                                                           &nb_txd);
2379                 if (retval < 0) {
2380                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2381                                 retval, portid);
2382                         return -1;
2383                 }
2384
2385                 /* init one RX queue */
2386                 fflush(stdout);
2387                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2388                                              rte_eth_dev_socket_id(portid),
2389                                              NULL, l2fwd_pktmbuf_pool);
2390                 if (retval < 0) {
2391                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2392                                         retval, portid);
2393                         return -1;
2394                 }
2395
2396                 /* init one TX queue on each port */
2397                 fflush(stdout);
2398                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2399                                 rte_eth_dev_socket_id(portid),
2400                                 NULL);
2401                 if (retval < 0) {
2402                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2403                                 retval, portid);
2404
2405                         return -1;
2406                 }
2407
2408                 /* Start device */
2409                 retval = rte_eth_dev_start(portid);
2410                 if (retval < 0) {
2411                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2412                                         retval, portid);
2413                         return -1;
2414                 }
2415
2416                 rte_eth_promiscuous_enable(portid);
2417
2418                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2419
2420                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2421                                 portid,
2422                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2423                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2424                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2425                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2426                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2427                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2428
2429                 /* initialize port stats */
2430                 memset(&port_statistics, 0, sizeof(port_statistics));
2431
2432                 /* Setup port forwarding table */
2433                 if (enabled_portcount % 2) {
2434                         l2fwd_dst_ports[portid] = last_portid;
2435                         l2fwd_dst_ports[last_portid] = portid;
2436                 } else {
2437                         last_portid = portid;
2438                 }
2439
2440                 l2fwd_enabled_port_mask |= (1 << portid);
2441                 enabled_portcount++;
2442         }
2443
2444         if (enabled_portcount == 1) {
2445                 l2fwd_dst_ports[last_portid] = last_portid;
2446         } else if (enabled_portcount % 2) {
2447                 printf("odd number of ports in portmask- bye\n");
2448                 return -1;
2449         }
2450
2451         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
2452
2453         return enabled_portcount;
2454 }
2455
2456 static void
2457 reserve_key_memory(struct l2fwd_crypto_options *options)
2458 {
2459         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2460                                                 MAX_KEY_SIZE, 0);
2461         if (options->cipher_xform.cipher.key.data == NULL)
2462                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2463
2464         options->auth_xform.auth.key.data = rte_malloc("auth key",
2465                                                 MAX_KEY_SIZE, 0);
2466         if (options->auth_xform.auth.key.data == NULL)
2467                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2468
2469         options->aead_xform.aead.key.data = rte_malloc("aead key",
2470                                                 MAX_KEY_SIZE, 0);
2471         if (options->aead_xform.aead.key.data == NULL)
2472                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2473
2474         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2475         if (options->cipher_iv.data == NULL)
2476                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2477
2478         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2479         if (options->auth_iv.data == NULL)
2480                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2481
2482         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2483         if (options->aead_iv.data == NULL)
2484                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2485
2486         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2487         if (options->aad.data == NULL)
2488                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2489         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2490 }
2491
2492 int
2493 main(int argc, char **argv)
2494 {
2495         struct lcore_queue_conf *qconf;
2496         struct l2fwd_crypto_options options;
2497
2498         uint8_t nb_cryptodevs, cdev_id;
2499         uint16_t nb_ports, portid;
2500         unsigned lcore_id, rx_lcore_id;
2501         int ret, enabled_cdevcount, enabled_portcount;
2502         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2503
2504         /* init EAL */
2505         ret = rte_eal_init(argc, argv);
2506         if (ret < 0)
2507                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2508         argc -= ret;
2509         argv += ret;
2510
2511         /* reserve memory for Cipher/Auth key and IV */
2512         reserve_key_memory(&options);
2513
2514         /* parse application arguments (after the EAL ones) */
2515         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2516         if (ret < 0)
2517                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2518
2519         printf("MAC updating %s\n",
2520                         options.mac_updating ? "enabled" : "disabled");
2521
2522         /* create the mbuf pool */
2523         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2524                         sizeof(struct rte_crypto_op),
2525                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2526         if (l2fwd_pktmbuf_pool == NULL)
2527                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2528
2529         /* create crypto op pool */
2530         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2531                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2532                         rte_socket_id());
2533         if (l2fwd_crypto_op_pool == NULL)
2534                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2535
2536         /* Enable Ethernet ports */
2537         enabled_portcount = initialize_ports(&options);
2538         if (enabled_portcount < 1)
2539                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2540
2541         nb_ports = rte_eth_dev_count();
2542         /* Initialize the port/queue configuration of each logical core */
2543         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2544                         portid < nb_ports; portid++) {
2545
2546                 /* skip ports that are not enabled */
2547                 if ((options.portmask & (1 << portid)) == 0)
2548                         continue;
2549
2550                 if (options.single_lcore && qconf == NULL) {
2551                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2552                                 rx_lcore_id++;
2553                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2554                                         rte_exit(EXIT_FAILURE,
2555                                                         "Not enough cores\n");
2556                         }
2557                 } else if (!options.single_lcore) {
2558                         /* get the lcore_id for this port */
2559                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2560                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2561                                options.nb_ports_per_lcore) {
2562                                 rx_lcore_id++;
2563                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2564                                         rte_exit(EXIT_FAILURE,
2565                                                         "Not enough cores\n");
2566                         }
2567                 }
2568
2569                 /* Assigned a new logical core in the loop above. */
2570                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2571                         qconf = &lcore_queue_conf[rx_lcore_id];
2572
2573                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2574                 qconf->nb_rx_ports++;
2575
2576                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2577         }
2578
2579         /* Enable Crypto devices */
2580         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2581                         enabled_cdevs);
2582         if (enabled_cdevcount < 0)
2583                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2584
2585         if (enabled_cdevcount < enabled_portcount)
2586                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2587                                 "has to be more or equal to number of ports (%d)\n",
2588                                 enabled_cdevcount, enabled_portcount);
2589
2590         nb_cryptodevs = rte_cryptodev_count();
2591
2592         /* Initialize the port/cryptodev configuration of each logical core */
2593         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2594                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2595                         cdev_id++) {
2596                 /* Crypto op not supported by crypto device */
2597                 if (!enabled_cdevs[cdev_id])
2598                         continue;
2599
2600                 if (options.single_lcore && qconf == NULL) {
2601                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2602                                 rx_lcore_id++;
2603                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2604                                         rte_exit(EXIT_FAILURE,
2605                                                         "Not enough cores\n");
2606                         }
2607                 } else if (!options.single_lcore) {
2608                         /* get the lcore_id for this port */
2609                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2610                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2611                                options.nb_ports_per_lcore) {
2612                                 rx_lcore_id++;
2613                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2614                                         rte_exit(EXIT_FAILURE,
2615                                                         "Not enough cores\n");
2616                         }
2617                 }
2618
2619                 /* Assigned a new logical core in the loop above. */
2620                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2621                         qconf = &lcore_queue_conf[rx_lcore_id];
2622
2623                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2624                 qconf->nb_crypto_devs++;
2625
2626                 enabled_cdevcount--;
2627
2628                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2629                                 (unsigned)cdev_id);
2630         }
2631
2632         /* launch per-lcore init on every lcore */
2633         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2634                         CALL_MASTER);
2635         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2636                 if (rte_eal_wait_lcore(lcore_id) < 0)
2637                         return -1;
2638         }
2639
2640         return 0;
2641 }