examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91 #define MAX_SESSIONS 32
  92 #define SESSION_POOL_CACHE_SIZE 0
  93
  94 #define MAXIMUM_IV_LENGTH       16
  95 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  96                                 sizeof(struct rte_crypto_sym_op))
  97
  98 /*
  99  * Configurable number of RX/TX ring descriptors
 100  */
 101 #define RTE_TEST_RX_DESC_DEFAULT 128
 102 #define RTE_TEST_TX_DESC_DEFAULT 512
 103
 104 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 105 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 106
 107 /* ethernet addresses of ports */
 108 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 109
 110 /* mask of enabled ports */
 111 static uint64_t l2fwd_enabled_port_mask;
 112 static uint64_t l2fwd_enabled_crypto_mask;
 113
 114 /* list of enabled ports */
 115 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 116
 117
 118 struct pkt_buffer {
 119         unsigned len;
 120         struct rte_mbuf *buffer[MAX_PKT_BURST];
 121 };
 122
 123 struct op_buffer {
 124         unsigned len;
 125         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 126 };
 127
 128 #define MAX_RX_QUEUE_PER_LCORE 16
 129 #define MAX_TX_QUEUE_PER_PORT 16
 130
 131 enum l2fwd_crypto_xform_chain {
 132         L2FWD_CRYPTO_CIPHER_HASH,
 133         L2FWD_CRYPTO_HASH_CIPHER,
 134         L2FWD_CRYPTO_CIPHER_ONLY,
 135         L2FWD_CRYPTO_HASH_ONLY,
 136         L2FWD_CRYPTO_AEAD
 137 };
 138
 139 struct l2fwd_key {
 140         uint8_t *data;
 141         uint32_t length;
 142         phys_addr_t phys_addr;
 143 };
 144
 145 struct l2fwd_iv {
 146         uint8_t *data;
 147         uint16_t length;
 148 };
 149
 150 /** l2fwd crypto application command line options */
 151 struct l2fwd_crypto_options {
 152         unsigned portmask;
 153         unsigned nb_ports_per_lcore;
 154         unsigned refresh_period;
 155         unsigned single_lcore:1;
 156
 157         enum cdev_type type;
 158         unsigned sessionless:1;
 159
 160         enum l2fwd_crypto_xform_chain xform_chain;
 161
 162         struct rte_crypto_sym_xform cipher_xform;
 163         unsigned ckey_param;
 164         int ckey_random_size;
 165
 166         struct l2fwd_iv cipher_iv;
 167         unsigned int cipher_iv_param;
 168         int cipher_iv_random_size;
 169
 170         struct rte_crypto_sym_xform auth_xform;
 171         uint8_t akey_param;
 172         int akey_random_size;
 173
 174         struct l2fwd_iv auth_iv;
 175         unsigned int auth_iv_param;
 176         int auth_iv_random_size;
 177
 178         struct rte_crypto_sym_xform aead_xform;
 179         unsigned int aead_key_param;
 180         int aead_key_random_size;
 181
 182         struct l2fwd_iv aead_iv;
 183         unsigned int aead_iv_param;
 184         int aead_iv_random_size;
 185
 186         struct l2fwd_key aad;
 187         unsigned aad_param;
 188         int aad_random_size;
 189
 190         int digest_size;
 191
 192         uint16_t block_size;
 193         char string_type[MAX_STR_LEN];
 194
 195         uint64_t cryptodev_mask;
 196
 197         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         unsigned 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         unsigned 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->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_mtophys_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                 rte_memcpy(iv_ptr, cparams->aead_iv.data, cparams->aead_iv.length);
 538
 539                 op->sym->aead.data.offset = ipdata_offset;
 540                 op->sym->aead.data.length = data_len;
 541
 542                 if (!cparams->hash_verify) {
 543                         /* Append space for digest to end of packet */
 544                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 545                                 cparams->digest_length);
 546                 } else {
 547                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 548                                 uint8_t *) + ipdata_offset + data_len;
 549                 }
 550
 551                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 552                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 553
 554                 if (cparams->aad.length) {
 555                         op->sym->aead.aad.data = cparams->aad.data;
 556                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 557                 }
 558         }
 559
 560         op->sym->m_src = m;
 561
 562         return l2fwd_crypto_enqueue(op, cparams);
 563 }
 564
 565
 566 /* Send the burst of packets on an output interface */
 567 static int
 568 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 569                 uint8_t port)
 570 {
 571         struct rte_mbuf **pkt_buffer;
 572         unsigned ret;
 573
 574         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 575
 576         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 577         port_statistics[port].tx += ret;
 578         if (unlikely(ret < n)) {
 579                 port_statistics[port].dropped += (n - ret);
 580                 do {
 581                         rte_pktmbuf_free(pkt_buffer[ret]);
 582                 } while (++ret < n);
 583         }
 584
 585         return 0;
 586 }
 587
 588 /* Enqueue packets for TX and prepare them to be sent */
 589 static int
 590 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 591 {
 592         unsigned lcore_id, len;
 593         struct lcore_queue_conf *qconf;
 594
 595         lcore_id = rte_lcore_id();
 596
 597         qconf = &lcore_queue_conf[lcore_id];
 598         len = qconf->pkt_buf[port].len;
 599         qconf->pkt_buf[port].buffer[len] = m;
 600         len++;
 601
 602         /* enough pkts to be sent */
 603         if (unlikely(len == MAX_PKT_BURST)) {
 604                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 605                 len = 0;
 606         }
 607
 608         qconf->pkt_buf[port].len = len;
 609         return 0;
 610 }
 611
 612 static void
 613 l2fwd_mac_updating(struct rte_mbuf *m, unsigned int dest_portid)
 614 {
 615         struct ether_hdr *eth;
 616         void *tmp;
 617
 618         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 619
 620         /* 02:00:00:00:00:xx */
 621         tmp = &eth->d_addr.addr_bytes[0];
 622         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 623
 624         /* src addr */
 625         ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 626 }
 627
 628 static void
 629 l2fwd_simple_forward(struct rte_mbuf *m, unsigned int portid,
 630                 struct l2fwd_crypto_options *options)
 631 {
 632         unsigned int dst_port;
 633
 634         dst_port = l2fwd_dst_ports[portid];
 635
 636         if (options->mac_updating)
 637                 l2fwd_mac_updating(m, dst_port);
 638
 639         l2fwd_send_packet(m, (uint8_t) dst_port);
 640 }
 641
 642 /** Generate random key */
 643 static void
 644 generate_random_key(uint8_t *key, unsigned length)
 645 {
 646         int fd;
 647         int ret;
 648
 649         fd = open("/dev/urandom", O_RDONLY);
 650         if (fd < 0)
 651                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 652
 653         ret = read(fd, key, length);
 654         close(fd);
 655
 656         if (ret != (signed)length)
 657                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 658 }
 659
 660 static struct rte_cryptodev_sym_session *
 661 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 662 {
 663         struct rte_crypto_sym_xform *first_xform;
 664         struct rte_cryptodev_sym_session *session;
 665         uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
 666         struct rte_mempool *sess_mp = session_pool_socket[socket_id];
 667
 668         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 669                 first_xform = &options->aead_xform;
 670         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 671                 first_xform = &options->cipher_xform;
 672                 first_xform->next = &options->auth_xform;
 673         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 674                 first_xform = &options->auth_xform;
 675                 first_xform->next = &options->cipher_xform;
 676         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 677                 first_xform = &options->cipher_xform;
 678         } else {
 679                 first_xform = &options->auth_xform;
 680         }
 681
 682         session = rte_cryptodev_sym_session_create(sess_mp);
 683
 684         if (session == NULL)
 685                 return NULL;
 686
 687         if (rte_cryptodev_sym_session_init(cdev_id, session,
 688                                 first_xform, sess_mp) < 0)
 689                 return NULL;
 690
 691         return session;
 692 }
 693
 694 static void
 695 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 696
 697 /* main processing loop */
 698 static void
 699 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 700 {
 701         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 702         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 703
 704         unsigned lcore_id = rte_lcore_id();
 705         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 706         unsigned i, j, portid, nb_rx, len;
 707         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 708         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 709                         US_PER_S * BURST_TX_DRAIN_US;
 710         struct l2fwd_crypto_params *cparams;
 711         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 712         struct rte_cryptodev_sym_session *session;
 713
 714         if (qconf->nb_rx_ports == 0) {
 715                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 716                 return;
 717         }
 718
 719         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 720
 721         for (i = 0; i < qconf->nb_rx_ports; i++) {
 722
 723                 portid = qconf->rx_port_list[i];
 724                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 725                         portid);
 726         }
 727
 728         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 729                 port_cparams[i].do_cipher = 0;
 730                 port_cparams[i].do_hash = 0;
 731                 port_cparams[i].do_aead = 0;
 732
 733                 switch (options->xform_chain) {
 734                 case L2FWD_CRYPTO_AEAD:
 735                         port_cparams[i].do_aead = 1;
 736                         break;
 737                 case L2FWD_CRYPTO_CIPHER_HASH:
 738                 case L2FWD_CRYPTO_HASH_CIPHER:
 739                         port_cparams[i].do_cipher = 1;
 740                         port_cparams[i].do_hash = 1;
 741                         break;
 742                 case L2FWD_CRYPTO_HASH_ONLY:
 743                         port_cparams[i].do_hash = 1;
 744                         break;
 745                 case L2FWD_CRYPTO_CIPHER_ONLY:
 746                         port_cparams[i].do_cipher = 1;
 747                         break;
 748                 }
 749
 750                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 751                 port_cparams[i].qp_id = 0;
 752
 753                 port_cparams[i].block_size = options->block_size;
 754
 755                 if (port_cparams[i].do_hash) {
 756                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 757                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 758                         if (!options->auth_iv_param)
 759                                 generate_random_key(port_cparams[i].auth_iv.data,
 760                                                 port_cparams[i].auth_iv.length);
 761                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 762                                 port_cparams[i].hash_verify = 1;
 763                         else
 764                                 port_cparams[i].hash_verify = 0;
 765
 766                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 767                         port_cparams[i].digest_length =
 768                                         options->auth_xform.auth.digest_length;
 769                         /* Set IV parameters */
 770                         if (options->auth_iv.length) {
 771                                 options->auth_xform.auth.iv.offset =
 772                                         IV_OFFSET + options->cipher_iv.length;
 773                                 options->auth_xform.auth.iv.length =
 774                                         options->auth_iv.length;
 775                         }
 776                 }
 777
 778                 if (port_cparams[i].do_aead) {
 779                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 780                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 781                         if (!options->aead_iv_param)
 782                                 generate_random_key(port_cparams[i].aead_iv.data,
 783                                                 port_cparams[i].aead_iv.length);
 784                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 785                         port_cparams[i].digest_length =
 786                                         options->aead_xform.aead.digest_length;
 787                         if (options->aead_xform.aead.aad_length) {
 788                                 port_cparams[i].aad.data = options->aad.data;
 789                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 790                                 port_cparams[i].aad.length = options->aad.length;
 791                                 if (!options->aad_param)
 792                                         generate_random_key(port_cparams[i].aad.data,
 793                                                 port_cparams[i].aad.length);
 794
 795                         } else
 796                                 port_cparams[i].aad.length = 0;
 797
 798                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 799                                 port_cparams[i].hash_verify = 1;
 800                         else
 801                                 port_cparams[i].hash_verify = 0;
 802
 803                         /* Set IV parameters */
 804                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 805                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 806                 }
 807
 808                 if (port_cparams[i].do_cipher) {
 809                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 810                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 811                         if (!options->cipher_iv_param)
 812                                 generate_random_key(port_cparams[i].cipher_iv.data,
 813                                                 port_cparams[i].cipher_iv.length);
 814
 815                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 816                         /* Set IV parameters */
 817                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 818                         options->cipher_xform.cipher.iv.length =
 819                                                 options->cipher_iv.length;
 820                 }
 821
 822                 session = initialize_crypto_session(options,
 823                                 port_cparams[i].dev_id);
 824                 if (session == NULL)
 825                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 826
 827                 port_cparams[i].session = session;
 828
 829                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 830                                 port_cparams[i].dev_id);
 831         }
 832
 833         l2fwd_crypto_options_print(options);
 834
 835         /*
 836          * Initialize previous tsc timestamp before the loop,
 837          * to avoid showing the port statistics immediately,
 838          * so user can see the crypto information.
 839          */
 840         prev_tsc = rte_rdtsc();
 841         while (1) {
 842
 843                 cur_tsc = rte_rdtsc();
 844
 845                 /*
 846                  * Crypto device/TX burst queue drain
 847                  */
 848                 diff_tsc = cur_tsc - prev_tsc;
 849                 if (unlikely(diff_tsc > drain_tsc)) {
 850                         /* Enqueue all crypto ops remaining in buffers */
 851                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 852                                 cparams = &port_cparams[i];
 853                                 len = qconf->op_buf[cparams->dev_id].len;
 854                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 855                                 qconf->op_buf[cparams->dev_id].len = 0;
 856                         }
 857                         /* Transmit all packets remaining in buffers */
 858                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 859                                 if (qconf->pkt_buf[portid].len == 0)
 860                                         continue;
 861                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 862                                                  qconf->pkt_buf[portid].len,
 863                                                  (uint8_t) portid);
 864                                 qconf->pkt_buf[portid].len = 0;
 865                         }
 866
 867                         /* if timer is enabled */
 868                         if (timer_period > 0) {
 869
 870                                 /* advance the timer */
 871                                 timer_tsc += diff_tsc;
 872
 873                                 /* if timer has reached its timeout */
 874                                 if (unlikely(timer_tsc >=
 875                                                 (uint64_t)timer_period)) {
 876
 877                                         /* do this only on master core */
 878                                         if (lcore_id == rte_get_master_lcore()
 879                                                 && options->refresh_period) {
 880                                                 print_stats();
 881                                                 timer_tsc = 0;
 882                                         }
 883                                 }
 884                         }
 885
 886                         prev_tsc = cur_tsc;
 887                 }
 888
 889                 /*
 890                  * Read packet from RX queues
 891                  */
 892                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 893                         portid = qconf->rx_port_list[i];
 894
 895                         cparams = &port_cparams[i];
 896
 897                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 898                                                  pkts_burst, MAX_PKT_BURST);
 899
 900                         port_statistics[portid].rx += nb_rx;
 901
 902                         if (nb_rx) {
 903                                 /*
 904                                  * If we can't allocate a crypto_ops, then drop
 905                                  * the rest of the burst and dequeue and
 906                                  * process the packets to free offload structs
 907                                  */
 908                                 if (rte_crypto_op_bulk_alloc(
 909                                                 l2fwd_crypto_op_pool,
 910                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 911                                                 ops_burst, nb_rx) !=
 912                                                                 nb_rx) {
 913                                         for (j = 0; j < nb_rx; j++)
 914                                                 rte_pktmbuf_free(pkts_burst[j]);
 915
 916                                         nb_rx = 0;
 917                                 }
 918
 919                                 /* Enqueue packets from Crypto device*/
 920                                 for (j = 0; j < nb_rx; j++) {
 921                                         m = pkts_burst[j];
 922
 923                                         l2fwd_simple_crypto_enqueue(m,
 924                                                         ops_burst[j], cparams);
 925                                 }
 926                         }
 927
 928                         /* Dequeue packets from Crypto device */
 929                         do {
 930                                 nb_rx = rte_cryptodev_dequeue_burst(
 931                                                 cparams->dev_id, cparams->qp_id,
 932                                                 ops_burst, MAX_PKT_BURST);
 933
 934                                 crypto_statistics[cparams->dev_id].dequeued +=
 935                                                 nb_rx;
 936
 937                                 /* Forward crypto'd packets */
 938                                 for (j = 0; j < nb_rx; j++) {
 939                                         m = ops_burst[j]->sym->m_src;
 940
 941                                         rte_crypto_op_free(ops_burst[j]);
 942                                         l2fwd_simple_forward(m, portid,
 943                                                         options);
 944                                 }
 945                         } while (nb_rx == MAX_PKT_BURST);
 946                 }
 947         }
 948 }
 949
 950 static int
 951 l2fwd_launch_one_lcore(void *arg)
 952 {
 953         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 954         return 0;
 955 }
 956
 957 /* Display command line arguments usage */
 958 static void
 959 l2fwd_crypto_usage(const char *prgname)
 960 {
 961         printf("%s [EAL options] --\n"
 962                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 963                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 964                 "  -s manage all ports from single lcore\n"
 965                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 966                 " (0 to disable, 10 default, 86400 maximum)\n"
 967
 968                 "  --cdev_type HW / SW / ANY\n"
 969                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 970                 " HASH_ONLY / AEAD\n"
 971
 972                 "  --cipher_algo ALGO\n"
 973                 "  --cipher_op ENCRYPT / DECRYPT\n"
 974                 "  --cipher_key KEY (bytes separated with \":\")\n"
 975                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 976                 "  --cipher_iv IV (bytes separated with \":\")\n"
 977                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 978
 979                 "  --auth_algo ALGO\n"
 980                 "  --auth_op GENERATE / VERIFY\n"
 981                 "  --auth_key KEY (bytes separated with \":\")\n"
 982                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 983                 "  --auth_iv IV (bytes separated with \":\")\n"
 984                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 985
 986                 "  --aead_algo ALGO\n"
 987                 "  --aead_op ENCRYPT / DECRYPT\n"
 988                 "  --aead_key KEY (bytes separated with \":\")\n"
 989                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 990                 "  --aead_iv IV (bytes separated with \":\")\n"
 991                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 992                 "  --aad AAD (bytes separated with \":\")\n"
 993                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 994
 995                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 996
 997                 "  --sessionless\n"
 998                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
 999
1000                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1001                 "      When enabled:\n"
1002                 "       - The source MAC address is replaced by the TX port MAC address\n"
1003                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1004                prgname);
1005 }
1006
1007 /** Parse crypto device type command line argument */
1008 static int
1009 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1010 {
1011         if (strcmp("HW", optarg) == 0) {
1012                 *type = CDEV_TYPE_HW;
1013                 return 0;
1014         } else if (strcmp("SW", optarg) == 0) {
1015                 *type = CDEV_TYPE_SW;
1016                 return 0;
1017         } else if (strcmp("ANY", optarg) == 0) {
1018                 *type = CDEV_TYPE_ANY;
1019                 return 0;
1020         }
1021
1022         return -1;
1023 }
1024
1025 /** Parse crypto chain xform command line argument */
1026 static int
1027 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1028 {
1029         if (strcmp("CIPHER_HASH", optarg) == 0) {
1030                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1031                 return 0;
1032         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1033                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1034                 return 0;
1035         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1036                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1037                 return 0;
1038         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1039                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1040                 return 0;
1041         } else if (strcmp("AEAD", optarg) == 0) {
1042                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1043                 return 0;
1044         }
1045
1046         return -1;
1047 }
1048
1049 /** Parse crypto cipher algo option command line argument */
1050 static int
1051 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1052 {
1053
1054         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1055                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1056                                 "not supported!\n");
1057                 return -1;
1058         }
1059
1060         return 0;
1061 }
1062
1063 /** Parse crypto cipher operation command line argument */
1064 static int
1065 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1066 {
1067         if (strcmp("ENCRYPT", optarg) == 0) {
1068                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1069                 return 0;
1070         } else if (strcmp("DECRYPT", optarg) == 0) {
1071                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1072                 return 0;
1073         }
1074
1075         printf("Cipher operation not supported!\n");
1076         return -1;
1077 }
1078
1079 /** Parse crypto key command line argument */
1080 static int
1081 parse_key(uint8_t *data, char *input_arg)
1082 {
1083         unsigned byte_count;
1084         char *token;
1085
1086         for (byte_count = 0, token = strtok(input_arg, ":");
1087                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
1088                         token = strtok(NULL, ":")) {
1089
1090                 int number = (int)strtol(token, NULL, 16);
1091
1092                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1093                         return -1;
1094
1095                 data[byte_count++] = (uint8_t)number;
1096         }
1097
1098         return byte_count;
1099 }
1100
1101 /** Parse size param*/
1102 static int
1103 parse_size(int *size, const char *q_arg)
1104 {
1105         char *end = NULL;
1106         unsigned long n;
1107
1108         /* parse hexadecimal string */
1109         n = strtoul(q_arg, &end, 10);
1110         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1111                 n = 0;
1112
1113         if (n == 0) {
1114                 printf("invalid size\n");
1115                 return -1;
1116         }
1117
1118         *size = n;
1119         return 0;
1120 }
1121
1122 /** Parse crypto cipher operation command line argument */
1123 static int
1124 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1125 {
1126         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1127                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1128                                 "not supported!\n");
1129                 return -1;
1130         }
1131
1132         return 0;
1133 }
1134
1135 static int
1136 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1137 {
1138         if (strcmp("VERIFY", optarg) == 0) {
1139                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1140                 return 0;
1141         } else if (strcmp("GENERATE", optarg) == 0) {
1142                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1143                 return 0;
1144         }
1145
1146         printf("Authentication operation specified not supported!\n");
1147         return -1;
1148 }
1149
1150 static int
1151 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1152 {
1153         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1154                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1155                                 "not supported!\n");
1156                 return -1;
1157         }
1158
1159         return 0;
1160 }
1161
1162 static int
1163 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1164 {
1165         if (strcmp("ENCRYPT", optarg) == 0) {
1166                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1167                 return 0;
1168         } else if (strcmp("DECRYPT", optarg) == 0) {
1169                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1170                 return 0;
1171         }
1172
1173         printf("AEAD operation specified not supported!\n");
1174         return -1;
1175 }
1176 static int
1177 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1178                 const char *q_arg)
1179 {
1180         char *end = NULL;
1181         uint64_t pm;
1182
1183         /* parse hexadecimal string */
1184         pm = strtoul(q_arg, &end, 16);
1185         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1186                 pm = 0;
1187
1188         options->cryptodev_mask = pm;
1189         if (options->cryptodev_mask == 0) {
1190                 printf("invalid cryptodev_mask specified\n");
1191                 return -1;
1192         }
1193
1194         return 0;
1195 }
1196
1197 /** Parse long options */
1198 static int
1199 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1200                 struct option *lgopts, int option_index)
1201 {
1202         int retval;
1203
1204         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1205                 retval = parse_cryptodev_type(&options->type, optarg);
1206                 if (retval == 0)
1207                         snprintf(options->string_type, MAX_STR_LEN,
1208                                 "%s", optarg);
1209                 return retval;
1210         }
1211
1212         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1213                 return parse_crypto_opt_chain(options, optarg);
1214
1215         /* Cipher options */
1216         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1217                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1218                                 optarg);
1219
1220         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1221                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1222                                 optarg);
1223
1224         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1225                 options->ckey_param = 1;
1226                 options->cipher_xform.cipher.key.length =
1227                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1228                 if (options->cipher_xform.cipher.key.length > 0)
1229                         return 0;
1230                 else
1231                         return -1;
1232         }
1233
1234         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1235                 return parse_size(&options->ckey_random_size, optarg);
1236
1237         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1238                 options->cipher_iv_param = 1;
1239                 options->cipher_iv.length =
1240                         parse_key(options->cipher_iv.data, optarg);
1241                 if (options->cipher_iv.length > 0)
1242                         return 0;
1243                 else
1244                         return -1;
1245         }
1246
1247         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1248                 return parse_size(&options->cipher_iv_random_size, optarg);
1249
1250         /* Authentication options */
1251         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1252                 return parse_auth_algo(&options->auth_xform.auth.algo,
1253                                 optarg);
1254         }
1255
1256         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1257                 return parse_auth_op(&options->auth_xform.auth.op,
1258                                 optarg);
1259
1260         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1261                 options->akey_param = 1;
1262                 options->auth_xform.auth.key.length =
1263                         parse_key(options->auth_xform.auth.key.data, optarg);
1264                 if (options->auth_xform.auth.key.length > 0)
1265                         return 0;
1266                 else
1267                         return -1;
1268         }
1269
1270         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1271                 return parse_size(&options->akey_random_size, optarg);
1272         }
1273
1274         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1275                 options->auth_iv_param = 1;
1276                 options->auth_iv.length =
1277                         parse_key(options->auth_iv.data, optarg);
1278                 if (options->auth_iv.length > 0)
1279                         return 0;
1280                 else
1281                         return -1;
1282         }
1283
1284         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1285                 return parse_size(&options->auth_iv_random_size, optarg);
1286
1287         /* AEAD options */
1288         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1289                 return parse_aead_algo(&options->aead_xform.aead.algo,
1290                                 optarg);
1291         }
1292
1293         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1294                 return parse_aead_op(&options->aead_xform.aead.op,
1295                                 optarg);
1296
1297         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1298                 options->aead_key_param = 1;
1299                 options->aead_xform.aead.key.length =
1300                         parse_key(options->aead_xform.aead.key.data, optarg);
1301                 if (options->aead_xform.aead.key.length > 0)
1302                         return 0;
1303                 else
1304                         return -1;
1305         }
1306
1307         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1308                 return parse_size(&options->aead_key_random_size, optarg);
1309
1310
1311         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1312                 options->aead_iv_param = 1;
1313                 options->aead_iv.length =
1314                         parse_key(options->aead_iv.data, optarg);
1315                 if (options->aead_iv.length > 0)
1316                         return 0;
1317                 else
1318                         return -1;
1319         }
1320
1321         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1322                 return parse_size(&options->aead_iv_random_size, optarg);
1323
1324         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1325                 options->aad_param = 1;
1326                 options->aad.length =
1327                         parse_key(options->aad.data, optarg);
1328                 if (options->aad.length > 0)
1329                         return 0;
1330                 else
1331                         return -1;
1332         }
1333
1334         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1335                 return parse_size(&options->aad_random_size, optarg);
1336         }
1337
1338         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1339                 return parse_size(&options->digest_size, optarg);
1340         }
1341
1342         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1343                 options->sessionless = 1;
1344                 return 0;
1345         }
1346
1347         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1348                 return parse_cryptodev_mask(options, optarg);
1349
1350         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1351                 options->mac_updating = 1;
1352                 return 0;
1353         }
1354
1355         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1356                 options->mac_updating = 0;
1357                 return 0;
1358         }
1359
1360         return -1;
1361 }
1362
1363 /** Parse port mask */
1364 static int
1365 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1366                 const char *q_arg)
1367 {
1368         char *end = NULL;
1369         unsigned long pm;
1370
1371         /* parse hexadecimal string */
1372         pm = strtoul(q_arg, &end, 16);
1373         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1374                 pm = 0;
1375
1376         options->portmask = pm;
1377         if (options->portmask == 0) {
1378                 printf("invalid portmask specified\n");
1379                 return -1;
1380         }
1381
1382         return pm;
1383 }
1384
1385 /** Parse number of queues */
1386 static int
1387 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1388                 const char *q_arg)
1389 {
1390         char *end = NULL;
1391         unsigned long n;
1392
1393         /* parse hexadecimal string */
1394         n = strtoul(q_arg, &end, 10);
1395         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1396                 n = 0;
1397         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1398                 n = 0;
1399
1400         options->nb_ports_per_lcore = n;
1401         if (options->nb_ports_per_lcore == 0) {
1402                 printf("invalid number of ports selected\n");
1403                 return -1;
1404         }
1405
1406         return 0;
1407 }
1408
1409 /** Parse timer period */
1410 static int
1411 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1412                 const char *q_arg)
1413 {
1414         char *end = NULL;
1415         unsigned long n;
1416
1417         /* parse number string */
1418         n = (unsigned)strtol(q_arg, &end, 10);
1419         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1420                 n = 0;
1421
1422         if (n >= MAX_TIMER_PERIOD) {
1423                 printf("Warning refresh period specified %lu is greater than "
1424                                 "max value %lu! using max value",
1425                                 n, MAX_TIMER_PERIOD);
1426                 n = MAX_TIMER_PERIOD;
1427         }
1428
1429         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1430
1431         return 0;
1432 }
1433
1434 /** Generate default options for application */
1435 static void
1436 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1437 {
1438         options->portmask = 0xffffffff;
1439         options->nb_ports_per_lcore = 1;
1440         options->refresh_period = 10000;
1441         options->single_lcore = 0;
1442         options->sessionless = 0;
1443
1444         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1445
1446         /* Cipher Data */
1447         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1448         options->cipher_xform.next = NULL;
1449         options->ckey_param = 0;
1450         options->ckey_random_size = -1;
1451         options->cipher_xform.cipher.key.length = 0;
1452         options->cipher_iv_param = 0;
1453         options->cipher_iv_random_size = -1;
1454         options->cipher_iv.length = 0;
1455
1456         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1457         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1458
1459         /* Authentication Data */
1460         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1461         options->auth_xform.next = NULL;
1462         options->akey_param = 0;
1463         options->akey_random_size = -1;
1464         options->auth_xform.auth.key.length = 0;
1465         options->auth_iv_param = 0;
1466         options->auth_iv_random_size = -1;
1467         options->auth_iv.length = 0;
1468
1469         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1470         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1471
1472         /* AEAD Data */
1473         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1474         options->aead_xform.next = NULL;
1475         options->aead_key_param = 0;
1476         options->aead_key_random_size = -1;
1477         options->aead_xform.aead.key.length = 0;
1478         options->aead_iv_param = 0;
1479         options->aead_iv_random_size = -1;
1480         options->aead_iv.length = 0;
1481
1482         options->auth_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1483         options->auth_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1484
1485         options->aad_param = 0;
1486         options->aad_random_size = -1;
1487         options->aad.length = 0;
1488
1489         options->digest_size = -1;
1490
1491         options->type = CDEV_TYPE_ANY;
1492         options->cryptodev_mask = UINT64_MAX;
1493
1494         options->mac_updating = 1;
1495 }
1496
1497 static void
1498 display_cipher_info(struct l2fwd_crypto_options *options)
1499 {
1500         printf("\n---- Cipher information ---\n");
1501         printf("Algorithm: %s\n",
1502                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1503         rte_hexdump(stdout, "Cipher key:",
1504                         options->cipher_xform.cipher.key.data,
1505                         options->cipher_xform.cipher.key.length);
1506         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1507 }
1508
1509 static void
1510 display_auth_info(struct l2fwd_crypto_options *options)
1511 {
1512         printf("\n---- Authentication information ---\n");
1513         printf("Algorithm: %s\n",
1514                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1515         rte_hexdump(stdout, "Auth key:",
1516                         options->auth_xform.auth.key.data,
1517                         options->auth_xform.auth.key.length);
1518         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1519 }
1520
1521 static void
1522 display_aead_info(struct l2fwd_crypto_options *options)
1523 {
1524         printf("\n---- AEAD information ---\n");
1525         printf("Algorithm: %s\n",
1526                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1527         rte_hexdump(stdout, "AEAD key:",
1528                         options->aead_xform.aead.key.data,
1529                         options->aead_xform.aead.key.length);
1530         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1531         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1532 }
1533
1534 static void
1535 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1536 {
1537         char string_cipher_op[MAX_STR_LEN];
1538         char string_auth_op[MAX_STR_LEN];
1539         char string_aead_op[MAX_STR_LEN];
1540
1541         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1542                 strcpy(string_cipher_op, "Encrypt");
1543         else
1544                 strcpy(string_cipher_op, "Decrypt");
1545
1546         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1547                 strcpy(string_auth_op, "Auth generate");
1548         else
1549                 strcpy(string_auth_op, "Auth verify");
1550
1551         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1552                 strcpy(string_aead_op, "Authenticated encryption");
1553         else
1554                 strcpy(string_aead_op, "Authenticated decryption");
1555
1556
1557         printf("Options:-\nn");
1558         printf("portmask: %x\n", options->portmask);
1559         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1560         printf("refresh period : %u\n", options->refresh_period);
1561         printf("single lcore mode: %s\n",
1562                         options->single_lcore ? "enabled" : "disabled");
1563         printf("stats_printing: %s\n",
1564                         options->refresh_period == 0 ? "disabled" : "enabled");
1565
1566         printf("sessionless crypto: %s\n",
1567                         options->sessionless ? "enabled" : "disabled");
1568
1569         if (options->ckey_param && (options->ckey_random_size != -1))
1570                 printf("Cipher key already parsed, ignoring size of random key\n");
1571
1572         if (options->akey_param && (options->akey_random_size != -1))
1573                 printf("Auth key already parsed, ignoring size of random key\n");
1574
1575         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1576                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1577
1578         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1579                 printf("Auth IV already parsed, ignoring size of random IV\n");
1580
1581         if (options->aad_param && (options->aad_random_size != -1))
1582                 printf("AAD already parsed, ignoring size of random AAD\n");
1583
1584         printf("\nCrypto chain: ");
1585         switch (options->xform_chain) {
1586         case L2FWD_CRYPTO_AEAD:
1587                 printf("Input --> %s --> Output\n", string_aead_op);
1588                 display_aead_info(options);
1589                 break;
1590         case L2FWD_CRYPTO_CIPHER_HASH:
1591                 printf("Input --> %s --> %s --> Output\n",
1592                         string_cipher_op, string_auth_op);
1593                 display_cipher_info(options);
1594                 display_auth_info(options);
1595                 break;
1596         case L2FWD_CRYPTO_HASH_CIPHER:
1597                 printf("Input --> %s --> %s --> Output\n",
1598                         string_auth_op, string_cipher_op);
1599                 display_cipher_info(options);
1600                 display_auth_info(options);
1601                 break;
1602         case L2FWD_CRYPTO_HASH_ONLY:
1603                 printf("Input --> %s --> Output\n", string_auth_op);
1604                 display_auth_info(options);
1605                 break;
1606         case L2FWD_CRYPTO_CIPHER_ONLY:
1607                 printf("Input --> %s --> Output\n", string_cipher_op);
1608                 display_cipher_info(options);
1609                 break;
1610         }
1611 }
1612
1613 /* Parse the argument given in the command line of the application */
1614 static int
1615 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1616                 int argc, char **argv)
1617 {
1618         int opt, retval, option_index;
1619         char **argvopt = argv, *prgname = argv[0];
1620
1621         static struct option lgopts[] = {
1622                         { "sessionless", no_argument, 0, 0 },
1623
1624                         { "cdev_type", required_argument, 0, 0 },
1625                         { "chain", required_argument, 0, 0 },
1626
1627                         { "cipher_algo", required_argument, 0, 0 },
1628                         { "cipher_op", required_argument, 0, 0 },
1629                         { "cipher_key", required_argument, 0, 0 },
1630                         { "cipher_key_random_size", required_argument, 0, 0 },
1631                         { "cipher_iv", required_argument, 0, 0 },
1632                         { "cipher_iv_random_size", required_argument, 0, 0 },
1633
1634                         { "auth_algo", required_argument, 0, 0 },
1635                         { "auth_op", required_argument, 0, 0 },
1636                         { "auth_key", required_argument, 0, 0 },
1637                         { "auth_key_random_size", required_argument, 0, 0 },
1638                         { "auth_iv", required_argument, 0, 0 },
1639                         { "auth_iv_random_size", required_argument, 0, 0 },
1640
1641                         { "aead_algo", required_argument, 0, 0 },
1642                         { "aead_op", required_argument, 0, 0 },
1643                         { "aead_key", required_argument, 0, 0 },
1644                         { "aead_key_random_size", required_argument, 0, 0 },
1645                         { "aead_iv", required_argument, 0, 0 },
1646                         { "aead_iv_random_size", required_argument, 0, 0 },
1647
1648                         { "aad", required_argument, 0, 0 },
1649                         { "aad_random_size", required_argument, 0, 0 },
1650
1651                         { "digest_size", required_argument, 0, 0 },
1652
1653                         { "sessionless", no_argument, 0, 0 },
1654                         { "cryptodev_mask", required_argument, 0, 0},
1655
1656                         { "mac-updating", no_argument, 0, 0},
1657                         { "no-mac-updating", no_argument, 0, 0},
1658
1659                         { NULL, 0, 0, 0 }
1660         };
1661
1662         l2fwd_crypto_default_options(options);
1663
1664         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1665                         &option_index)) != EOF) {
1666                 switch (opt) {
1667                 /* long options */
1668                 case 0:
1669                         retval = l2fwd_crypto_parse_args_long_options(options,
1670                                         lgopts, option_index);
1671                         if (retval < 0) {
1672                                 l2fwd_crypto_usage(prgname);
1673                                 return -1;
1674                         }
1675                         break;
1676
1677                 /* portmask */
1678                 case 'p':
1679                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1680                         if (retval < 0) {
1681                                 l2fwd_crypto_usage(prgname);
1682                                 return -1;
1683                         }
1684                         break;
1685
1686                 /* nqueue */
1687                 case 'q':
1688                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1689                         if (retval < 0) {
1690                                 l2fwd_crypto_usage(prgname);
1691                                 return -1;
1692                         }
1693                         break;
1694
1695                 /* single  */
1696                 case 's':
1697                         options->single_lcore = 1;
1698
1699                         break;
1700
1701                 /* timer period */
1702                 case 'T':
1703                         retval = l2fwd_crypto_parse_timer_period(options,
1704                                         optarg);
1705                         if (retval < 0) {
1706                                 l2fwd_crypto_usage(prgname);
1707                                 return -1;
1708                         }
1709                         break;
1710
1711                 default:
1712                         l2fwd_crypto_usage(prgname);
1713                         return -1;
1714                 }
1715         }
1716
1717
1718         if (optind >= 0)
1719                 argv[optind-1] = prgname;
1720
1721         retval = optind-1;
1722         optind = 1; /* reset getopt lib */
1723
1724         return retval;
1725 }
1726
1727 /* Check the link status of all ports in up to 9s, and print them finally */
1728 static void
1729 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1730 {
1731 #define CHECK_INTERVAL 100 /* 100ms */
1732 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1733         uint8_t portid, count, all_ports_up, print_flag = 0;
1734         struct rte_eth_link link;
1735
1736         printf("\nChecking link status");
1737         fflush(stdout);
1738         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1739                 all_ports_up = 1;
1740                 for (portid = 0; portid < port_num; portid++) {
1741                         if ((port_mask & (1 << portid)) == 0)
1742                                 continue;
1743                         memset(&link, 0, sizeof(link));
1744                         rte_eth_link_get_nowait(portid, &link);
1745                         /* print link status if flag set */
1746                         if (print_flag == 1) {
1747                                 if (link.link_status)
1748                                         printf("Port %d Link Up - speed %u "
1749                                                 "Mbps - %s\n", (uint8_t)portid,
1750                                                 (unsigned)link.link_speed,
1751                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1752                                         ("full-duplex") : ("half-duplex\n"));
1753                                 else
1754                                         printf("Port %d Link Down\n",
1755                                                 (uint8_t)portid);
1756                                 continue;
1757                         }
1758                         /* clear all_ports_up flag if any link down */
1759                         if (link.link_status == ETH_LINK_DOWN) {
1760                                 all_ports_up = 0;
1761                                 break;
1762                         }
1763                 }
1764                 /* after finally printing all link status, get out */
1765                 if (print_flag == 1)
1766                         break;
1767
1768                 if (all_ports_up == 0) {
1769                         printf(".");
1770                         fflush(stdout);
1771                         rte_delay_ms(CHECK_INTERVAL);
1772                 }
1773
1774                 /* set the print_flag if all ports up or timeout */
1775                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1776                         print_flag = 1;
1777                         printf("done\n");
1778                 }
1779         }
1780 }
1781
1782 /* Check if device has to be HW/SW or any */
1783 static int
1784 check_type(const struct l2fwd_crypto_options *options,
1785                 const struct rte_cryptodev_info *dev_info)
1786 {
1787         if (options->type == CDEV_TYPE_HW &&
1788                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1789                 return 0;
1790         if (options->type == CDEV_TYPE_SW &&
1791                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1792                 return 0;
1793         if (options->type == CDEV_TYPE_ANY)
1794                 return 0;
1795
1796         return -1;
1797 }
1798
1799 static const struct rte_cryptodev_capabilities *
1800 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1801                 const struct rte_cryptodev_info *dev_info,
1802                 uint8_t cdev_id)
1803 {
1804         unsigned int i = 0;
1805         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1806         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1807         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1808                                         options->cipher_xform.cipher.algo;
1809
1810         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1811                 cap_cipher_algo = cap->sym.cipher.algo;
1812                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1813                         if (cap_cipher_algo == opt_cipher_algo) {
1814                                 if (check_type(options, dev_info) == 0)
1815                                         break;
1816                         }
1817                 }
1818                 cap = &dev_info->capabilities[++i];
1819         }
1820
1821         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1822                 printf("Algorithm %s not supported by cryptodev %u"
1823                         " or device not of preferred type (%s)\n",
1824                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1825                         cdev_id,
1826                         options->string_type);
1827                 return NULL;
1828         }
1829
1830         return cap;
1831 }
1832
1833 static const struct rte_cryptodev_capabilities *
1834 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1835                 const struct rte_cryptodev_info *dev_info,
1836                 uint8_t cdev_id)
1837 {
1838         unsigned int i = 0;
1839         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1840         enum rte_crypto_auth_algorithm cap_auth_algo;
1841         enum rte_crypto_auth_algorithm opt_auth_algo =
1842                                         options->auth_xform.auth.algo;
1843
1844         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1845                 cap_auth_algo = cap->sym.auth.algo;
1846                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1847                         if (cap_auth_algo == opt_auth_algo) {
1848                                 if (check_type(options, dev_info) == 0)
1849                                         break;
1850                         }
1851                 }
1852                 cap = &dev_info->capabilities[++i];
1853         }
1854
1855         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1856                 printf("Algorithm %s not supported by cryptodev %u"
1857                         " or device not of preferred type (%s)\n",
1858                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1859                         cdev_id,
1860                         options->string_type);
1861                 return NULL;
1862         }
1863
1864         return cap;
1865 }
1866
1867 static const struct rte_cryptodev_capabilities *
1868 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1869                 const struct rte_cryptodev_info *dev_info,
1870                 uint8_t cdev_id)
1871 {
1872         unsigned int i = 0;
1873         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1874         enum rte_crypto_aead_algorithm cap_aead_algo;
1875         enum rte_crypto_aead_algorithm opt_aead_algo =
1876                                         options->aead_xform.aead.algo;
1877
1878         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1879                 cap_aead_algo = cap->sym.aead.algo;
1880                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1881                         if (cap_aead_algo == opt_aead_algo) {
1882                                 if (check_type(options, dev_info) == 0)
1883                                         break;
1884                         }
1885                 }
1886                 cap = &dev_info->capabilities[++i];
1887         }
1888
1889         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1890                 printf("Algorithm %s not supported by cryptodev %u"
1891                         " or device not of preferred type (%s)\n",
1892                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1893                         cdev_id,
1894                         options->string_type);
1895                 return NULL;
1896         }
1897
1898         return cap;
1899 }
1900
1901 /* Check if the device is enabled by cryptodev_mask */
1902 static int
1903 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1904                 uint8_t cdev_id)
1905 {
1906         if (options->cryptodev_mask & (1 << cdev_id))
1907                 return 0;
1908
1909         return -1;
1910 }
1911
1912 static inline int
1913 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1914                 uint16_t increment)
1915 {
1916         uint16_t supp_size;
1917
1918         /* Single value */
1919         if (increment == 0) {
1920                 if (length == min)
1921                         return 0;
1922                 else
1923                         return -1;
1924         }
1925
1926         /* Range of values */
1927         for (supp_size = min; supp_size <= max; supp_size += increment) {
1928                 if (length == supp_size)
1929                         return 0;
1930         }
1931
1932         return -1;
1933 }
1934
1935 static int
1936 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1937                 unsigned int iv_param, int iv_random_size,
1938                 uint16_t *iv_length)
1939 {
1940         /*
1941          * Check if length of provided IV is supported
1942          * by the algorithm chosen.
1943          */
1944         if (iv_param) {
1945                 if (check_supported_size(*iv_length,
1946                                 iv_range_size->min,
1947                                 iv_range_size->max,
1948                                 iv_range_size->increment)
1949                                         != 0) {
1950                         printf("Unsupported IV length\n");
1951                         return -1;
1952                 }
1953         /*
1954          * Check if length of IV to be randomly generated
1955          * is supported by the algorithm chosen.
1956          */
1957         } else if (iv_random_size != -1) {
1958                 if (check_supported_size(iv_random_size,
1959                                 iv_range_size->min,
1960                                 iv_range_size->max,
1961                                 iv_range_size->increment)
1962                                         != 0) {
1963                         printf("Unsupported IV length\n");
1964                         return -1;
1965                 }
1966                 *iv_length = iv_random_size;
1967         /* No size provided, use minimum size. */
1968         } else
1969                 *iv_length = iv_range_size->min;
1970
1971         return 0;
1972 }
1973
1974 static int
1975 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1976                 uint8_t *enabled_cdevs)
1977 {
1978         unsigned int cdev_id, cdev_count, enabled_cdev_count = 0;
1979         const struct rte_cryptodev_capabilities *cap;
1980         unsigned int sess_sz, max_sess_sz = 0;
1981         int retval;
1982
1983         cdev_count = rte_cryptodev_count();
1984         if (cdev_count == 0) {
1985                 printf("No crypto devices available\n");
1986                 return -1;
1987         }
1988
1989         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
1990                 sess_sz = rte_cryptodev_get_private_session_size(cdev_id);
1991                 if (sess_sz > max_sess_sz)
1992                         max_sess_sz = sess_sz;
1993         }
1994
1995         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1996                         cdev_id++) {
1997                 struct rte_cryptodev_qp_conf qp_conf;
1998                 struct rte_cryptodev_info dev_info;
1999                 uint8_t socket_id = rte_cryptodev_socket_id(cdev_id);
2000
2001                 struct rte_cryptodev_config conf = {
2002                         .nb_queue_pairs = 1,
2003                         .socket_id = socket_id,
2004                 };
2005
2006                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
2007                         continue;
2008
2009                 rte_cryptodev_info_get(cdev_id, &dev_info);
2010
2011                 if (session_pool_socket[socket_id] == NULL) {
2012                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2013                         struct rte_mempool *sess_mp;
2014
2015                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2016                                 "sess_mp_%u", socket_id);
2017
2018                         /*
2019                          * Create enough objects for session headers and
2020                          * device private data
2021                          */
2022                         sess_mp = rte_mempool_create(mp_name,
2023                                                 MAX_SESSIONS * 2,
2024                                                 max_sess_sz,
2025                                                 SESSION_POOL_CACHE_SIZE,
2026                                                 0, NULL, NULL, NULL,
2027                                                 NULL, socket_id,
2028                                                 0);
2029
2030                         if (sess_mp == NULL) {
2031                                 printf("Cannot create session pool on socket %d\n",
2032                                         socket_id);
2033                                 return -ENOMEM;
2034                         }
2035
2036                         printf("Allocated session pool on socket %d\n", socket_id);
2037                         session_pool_socket[socket_id] = sess_mp;
2038                 }
2039
2040                 /* Set AEAD parameters */
2041                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2042                         /* Check if device supports AEAD algo */
2043                         cap = check_device_support_aead_algo(options, &dev_info,
2044                                                         cdev_id);
2045                         if (cap == NULL)
2046                                 continue;
2047
2048                         options->block_size = cap->sym.aead.block_size;
2049
2050                         check_iv_param(&cap->sym.aead.iv_size,
2051                                         options->aead_iv_param,
2052                                         options->aead_iv_random_size,
2053                                         &options->aead_iv.length);
2054
2055                         /*
2056                          * Check if length of provided AEAD key is supported
2057                          * by the algorithm chosen.
2058                          */
2059                         if (options->aead_key_param) {
2060                                 if (check_supported_size(
2061                                                 options->aead_xform.aead.key.length,
2062                                                 cap->sym.aead.key_size.min,
2063                                                 cap->sym.aead.key_size.max,
2064                                                 cap->sym.aead.key_size.increment)
2065                                                         != 0) {
2066                                         printf("Unsupported aead key length\n");
2067                                         return -1;
2068                                 }
2069                         /*
2070                          * Check if length of the aead key to be randomly generated
2071                          * is supported by the algorithm chosen.
2072                          */
2073                         } else if (options->aead_key_random_size != -1) {
2074                                 if (check_supported_size(options->aead_key_random_size,
2075                                                 cap->sym.aead.key_size.min,
2076                                                 cap->sym.aead.key_size.max,
2077                                                 cap->sym.aead.key_size.increment)
2078                                                         != 0) {
2079                                         printf("Unsupported aead key length\n");
2080                                         return -1;
2081                                 }
2082                                 options->aead_xform.aead.key.length =
2083                                                         options->aead_key_random_size;
2084                         /* No size provided, use minimum size. */
2085                         } else
2086                                 options->aead_xform.aead.key.length =
2087                                                 cap->sym.aead.key_size.min;
2088
2089                         if (!options->aead_key_param)
2090                                 generate_random_key(
2091                                         options->aead_xform.aead.key.data,
2092                                         options->aead_xform.aead.key.length);
2093
2094                         /*
2095                          * Check if length of provided AAD is supported
2096                          * by the algorithm chosen.
2097                          */
2098                         if (options->aad_param) {
2099                                 if (check_supported_size(options->aad.length,
2100                                                 cap->sym.aead.aad_size.min,
2101                                                 cap->sym.aead.aad_size.max,
2102                                                 cap->sym.aead.aad_size.increment)
2103                                                         != 0) {
2104                                         printf("Unsupported AAD length\n");
2105                                         return -1;
2106                                 }
2107                         /*
2108                          * Check if length of AAD to be randomly generated
2109                          * is supported by the algorithm chosen.
2110                          */
2111                         } else if (options->aad_random_size != -1) {
2112                                 if (check_supported_size(options->aad_random_size,
2113                                                 cap->sym.aead.aad_size.min,
2114                                                 cap->sym.aead.aad_size.max,
2115                                                 cap->sym.aead.aad_size.increment)
2116                                                         != 0) {
2117                                         printf("Unsupported AAD length\n");
2118                                         return -1;
2119                                 }
2120                                 options->aad.length = options->aad_random_size;
2121                         /* No size provided, use minimum size. */
2122                         } else
2123                                 options->aad.length = cap->sym.auth.aad_size.min;
2124
2125                         options->aead_xform.aead.aad_length =
2126                                                 options->aad.length;
2127
2128                         /* Check if digest size is supported by the algorithm. */
2129                         if (options->digest_size != -1) {
2130                                 if (check_supported_size(options->digest_size,
2131                                                 cap->sym.aead.digest_size.min,
2132                                                 cap->sym.aead.digest_size.max,
2133                                                 cap->sym.aead.digest_size.increment)
2134                                                         != 0) {
2135                                         printf("Unsupported digest length\n");
2136                                         return -1;
2137                                 }
2138                                 options->aead_xform.aead.digest_length =
2139                                                         options->digest_size;
2140                         /* No size provided, use minimum size. */
2141                         } else
2142                                 options->aead_xform.aead.digest_length =
2143                                                 cap->sym.aead.digest_size.min;
2144                 }
2145
2146                 /* Set cipher parameters */
2147                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2148                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2149                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2150                         /* Check if device supports cipher algo */
2151                         cap = check_device_support_cipher_algo(options, &dev_info,
2152                                                         cdev_id);
2153                         if (cap == NULL)
2154                                 continue;
2155
2156                         options->block_size = cap->sym.cipher.block_size;
2157
2158                         check_iv_param(&cap->sym.cipher.iv_size,
2159                                         options->cipher_iv_param,
2160                                         options->cipher_iv_random_size,
2161                                         &options->cipher_iv.length);
2162
2163                         /*
2164                          * Check if length of provided cipher key is supported
2165                          * by the algorithm chosen.
2166                          */
2167                         if (options->ckey_param) {
2168                                 if (check_supported_size(
2169                                                 options->cipher_xform.cipher.key.length,
2170                                                 cap->sym.cipher.key_size.min,
2171                                                 cap->sym.cipher.key_size.max,
2172                                                 cap->sym.cipher.key_size.increment)
2173                                                         != 0) {
2174                                         printf("Unsupported cipher key length\n");
2175                                         return -1;
2176                                 }
2177                         /*
2178                          * Check if length of the cipher key to be randomly generated
2179                          * is supported by the algorithm chosen.
2180                          */
2181                         } else if (options->ckey_random_size != -1) {
2182                                 if (check_supported_size(options->ckey_random_size,
2183                                                 cap->sym.cipher.key_size.min,
2184                                                 cap->sym.cipher.key_size.max,
2185                                                 cap->sym.cipher.key_size.increment)
2186                                                         != 0) {
2187                                         printf("Unsupported cipher key length\n");
2188                                         return -1;
2189                                 }
2190                                 options->cipher_xform.cipher.key.length =
2191                                                         options->ckey_random_size;
2192                         /* No size provided, use minimum size. */
2193                         } else
2194                                 options->cipher_xform.cipher.key.length =
2195                                                 cap->sym.cipher.key_size.min;
2196
2197                         if (!options->ckey_param)
2198                                 generate_random_key(
2199                                         options->cipher_xform.cipher.key.data,
2200                                         options->cipher_xform.cipher.key.length);
2201
2202                 }
2203
2204                 /* Set auth parameters */
2205                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2206                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2207                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2208                         /* Check if device supports auth algo */
2209                         cap = check_device_support_auth_algo(options, &dev_info,
2210                                                         cdev_id);
2211                         if (cap == NULL)
2212                                 continue;
2213
2214                         check_iv_param(&cap->sym.auth.iv_size,
2215                                         options->auth_iv_param,
2216                                         options->auth_iv_random_size,
2217                                         &options->auth_iv.length);
2218                         /*
2219                          * Check if length of provided auth key is supported
2220                          * by the algorithm chosen.
2221                          */
2222                         if (options->akey_param) {
2223                                 if (check_supported_size(
2224                                                 options->auth_xform.auth.key.length,
2225                                                 cap->sym.auth.key_size.min,
2226                                                 cap->sym.auth.key_size.max,
2227                                                 cap->sym.auth.key_size.increment)
2228                                                         != 0) {
2229                                         printf("Unsupported auth key length\n");
2230                                         return -1;
2231                                 }
2232                         /*
2233                          * Check if length of the auth key to be randomly generated
2234                          * is supported by the algorithm chosen.
2235                          */
2236                         } else if (options->akey_random_size != -1) {
2237                                 if (check_supported_size(options->akey_random_size,
2238                                                 cap->sym.auth.key_size.min,
2239                                                 cap->sym.auth.key_size.max,
2240                                                 cap->sym.auth.key_size.increment)
2241                                                         != 0) {
2242                                         printf("Unsupported auth key length\n");
2243                                         return -1;
2244                                 }
2245                                 options->auth_xform.auth.key.length =
2246                                                         options->akey_random_size;
2247                         /* No size provided, use minimum size. */
2248                         } else
2249                                 options->auth_xform.auth.key.length =
2250                                                 cap->sym.auth.key_size.min;
2251
2252                         if (!options->akey_param)
2253                                 generate_random_key(
2254                                         options->auth_xform.auth.key.data,
2255                                         options->auth_xform.auth.key.length);
2256
2257                         /* Check if digest size is supported by the algorithm. */
2258                         if (options->digest_size != -1) {
2259                                 if (check_supported_size(options->digest_size,
2260                                                 cap->sym.auth.digest_size.min,
2261                                                 cap->sym.auth.digest_size.max,
2262                                                 cap->sym.auth.digest_size.increment)
2263                                                         != 0) {
2264                                         printf("Unsupported digest length\n");
2265                                         return -1;
2266                                 }
2267                                 options->auth_xform.auth.digest_length =
2268                                                         options->digest_size;
2269                         /* No size provided, use minimum size. */
2270                         } else
2271                                 options->auth_xform.auth.digest_length =
2272                                                 cap->sym.auth.digest_size.min;
2273                 }
2274
2275                 retval = rte_cryptodev_configure(cdev_id, &conf);
2276                 if (retval < 0) {
2277                         printf("Failed to configure cryptodev %u", cdev_id);
2278                         return -1;
2279                 }
2280
2281                 qp_conf.nb_descriptors = 2048;
2282
2283                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2284                                 socket_id, session_pool_socket[socket_id]);
2285                 if (retval < 0) {
2286                         printf("Failed to setup queue pair %u on cryptodev %u",
2287                                         0, cdev_id);
2288                         return -1;
2289                 }
2290
2291                 retval = rte_cryptodev_start(cdev_id);
2292                 if (retval < 0) {
2293                         printf("Failed to start device %u: error %d\n",
2294                                         cdev_id, retval);
2295                         return -1;
2296                 }
2297
2298                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2299
2300                 enabled_cdevs[cdev_id] = 1;
2301                 enabled_cdev_count++;
2302         }
2303
2304         return enabled_cdev_count;
2305 }
2306
2307 static int
2308 initialize_ports(struct l2fwd_crypto_options *options)
2309 {
2310         uint8_t last_portid, portid;
2311         unsigned enabled_portcount = 0;
2312         unsigned nb_ports = rte_eth_dev_count();
2313
2314         if (nb_ports == 0) {
2315                 printf("No Ethernet ports - bye\n");
2316                 return -1;
2317         }
2318
2319         /* Reset l2fwd_dst_ports */
2320         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2321                 l2fwd_dst_ports[portid] = 0;
2322
2323         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
2324                 int retval;
2325
2326                 /* Skip ports that are not enabled */
2327                 if ((options->portmask & (1 << portid)) == 0)
2328                         continue;
2329
2330                 /* init port */
2331                 printf("Initializing port %u... ", (unsigned) portid);
2332                 fflush(stdout);
2333                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
2334                 if (retval < 0) {
2335                         printf("Cannot configure device: err=%d, port=%u\n",
2336                                   retval, (unsigned) portid);
2337                         return -1;
2338                 }
2339
2340                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2341                                                           &nb_txd);
2342                 if (retval < 0) {
2343                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2344                                 retval, (unsigned) portid);
2345                         return -1;
2346                 }
2347
2348                 /* init one RX queue */
2349                 fflush(stdout);
2350                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2351                                              rte_eth_dev_socket_id(portid),
2352                                              NULL, l2fwd_pktmbuf_pool);
2353                 if (retval < 0) {
2354                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2355                                         retval, (unsigned) portid);
2356                         return -1;
2357                 }
2358
2359                 /* init one TX queue on each port */
2360                 fflush(stdout);
2361                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2362                                 rte_eth_dev_socket_id(portid),
2363                                 NULL);
2364                 if (retval < 0) {
2365                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2366                                 retval, (unsigned) portid);
2367
2368                         return -1;
2369                 }
2370
2371                 /* Start device */
2372                 retval = rte_eth_dev_start(portid);
2373                 if (retval < 0) {
2374                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2375                                         retval, (unsigned) portid);
2376                         return -1;
2377                 }
2378
2379                 rte_eth_promiscuous_enable(portid);
2380
2381                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2382
2383                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2384                                 (unsigned) portid,
2385                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2386                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2387                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2388                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2389                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2390                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2391
2392                 /* initialize port stats */
2393                 memset(&port_statistics, 0, sizeof(port_statistics));
2394
2395                 /* Setup port forwarding table */
2396                 if (enabled_portcount % 2) {
2397                         l2fwd_dst_ports[portid] = last_portid;
2398                         l2fwd_dst_ports[last_portid] = portid;
2399                 } else {
2400                         last_portid = portid;
2401                 }
2402
2403                 l2fwd_enabled_port_mask |= (1 << portid);
2404                 enabled_portcount++;
2405         }
2406
2407         if (enabled_portcount == 1) {
2408                 l2fwd_dst_ports[last_portid] = last_portid;
2409         } else if (enabled_portcount % 2) {
2410                 printf("odd number of ports in portmask- bye\n");
2411                 return -1;
2412         }
2413
2414         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
2415
2416         return enabled_portcount;
2417 }
2418
2419 static void
2420 reserve_key_memory(struct l2fwd_crypto_options *options)
2421 {
2422         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2423                                                 MAX_KEY_SIZE, 0);
2424         if (options->cipher_xform.cipher.key.data == NULL)
2425                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2426
2427         options->auth_xform.auth.key.data = rte_malloc("auth key",
2428                                                 MAX_KEY_SIZE, 0);
2429         if (options->auth_xform.auth.key.data == NULL)
2430                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2431
2432         options->aead_xform.aead.key.data = rte_malloc("aead key",
2433                                                 MAX_KEY_SIZE, 0);
2434         if (options->aead_xform.aead.key.data == NULL)
2435                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2436
2437         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2438         if (options->cipher_iv.data == NULL)
2439                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2440
2441         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2442         if (options->auth_iv.data == NULL)
2443                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2444
2445         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2446         if (options->aead_iv.data == NULL)
2447                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2448
2449         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2450         if (options->aad.data == NULL)
2451                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2452         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
2453 }
2454
2455 int
2456 main(int argc, char **argv)
2457 {
2458         struct lcore_queue_conf *qconf;
2459         struct l2fwd_crypto_options options;
2460
2461         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
2462         unsigned lcore_id, rx_lcore_id;
2463         int ret, enabled_cdevcount, enabled_portcount;
2464         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2465
2466         /* init EAL */
2467         ret = rte_eal_init(argc, argv);
2468         if (ret < 0)
2469                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2470         argc -= ret;
2471         argv += ret;
2472
2473         /* reserve memory for Cipher/Auth key and IV */
2474         reserve_key_memory(&options);
2475
2476         /* parse application arguments (after the EAL ones) */
2477         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2478         if (ret < 0)
2479                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2480
2481         printf("MAC updating %s\n",
2482                         options.mac_updating ? "enabled" : "disabled");
2483
2484         /* create the mbuf pool */
2485         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2486                         sizeof(struct rte_crypto_op),
2487                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2488         if (l2fwd_pktmbuf_pool == NULL)
2489                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2490
2491         /* create crypto op pool */
2492         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2493                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2494                         rte_socket_id());
2495         if (l2fwd_crypto_op_pool == NULL)
2496                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2497
2498         /* Enable Ethernet ports */
2499         enabled_portcount = initialize_ports(&options);
2500         if (enabled_portcount < 1)
2501                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2502
2503         nb_ports = rte_eth_dev_count();
2504         /* Initialize the port/queue configuration of each logical core */
2505         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2506                         portid < nb_ports; portid++) {
2507
2508                 /* skip ports that are not enabled */
2509                 if ((options.portmask & (1 << portid)) == 0)
2510                         continue;
2511
2512                 if (options.single_lcore && qconf == NULL) {
2513                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2514                                 rx_lcore_id++;
2515                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2516                                         rte_exit(EXIT_FAILURE,
2517                                                         "Not enough cores\n");
2518                         }
2519                 } else if (!options.single_lcore) {
2520                         /* get the lcore_id for this port */
2521                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2522                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2523                                options.nb_ports_per_lcore) {
2524                                 rx_lcore_id++;
2525                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2526                                         rte_exit(EXIT_FAILURE,
2527                                                         "Not enough cores\n");
2528                         }
2529                 }
2530
2531                 /* Assigned a new logical core in the loop above. */
2532                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2533                         qconf = &lcore_queue_conf[rx_lcore_id];
2534
2535                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2536                 qconf->nb_rx_ports++;
2537
2538                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2539         }
2540
2541         /* Enable Crypto devices */
2542         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2543                         enabled_cdevs);
2544         if (enabled_cdevcount < 0)
2545                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2546
2547         if (enabled_cdevcount < enabled_portcount)
2548                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2549                                 "has to be more or equal to number of ports (%d)\n",
2550                                 enabled_cdevcount, enabled_portcount);
2551
2552         nb_cryptodevs = rte_cryptodev_count();
2553
2554         /* Initialize the port/cryptodev configuration of each logical core */
2555         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2556                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2557                         cdev_id++) {
2558                 /* Crypto op not supported by crypto device */
2559                 if (!enabled_cdevs[cdev_id])
2560                         continue;
2561
2562                 if (options.single_lcore && qconf == NULL) {
2563                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2564                                 rx_lcore_id++;
2565                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2566                                         rte_exit(EXIT_FAILURE,
2567                                                         "Not enough cores\n");
2568                         }
2569                 } else if (!options.single_lcore) {
2570                         /* get the lcore_id for this port */
2571                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2572                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2573                                options.nb_ports_per_lcore) {
2574                                 rx_lcore_id++;
2575                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2576                                         rte_exit(EXIT_FAILURE,
2577                                                         "Not enough cores\n");
2578                         }
2579                 }
2580
2581                 /* Assigned a new logical core in the loop above. */
2582                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2583                         qconf = &lcore_queue_conf[rx_lcore_id];
2584
2585                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2586                 qconf->nb_crypto_devs++;
2587
2588                 enabled_cdevcount--;
2589
2590                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2591                                 (unsigned)cdev_id);
2592         }
2593
2594         /* launch per-lcore init on every lcore */
2595         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2596                         CALL_MASTER);
2597         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2598                 if (rte_eal_wait_lcore(lcore_id) < 0)
2599                         return -1;
2600         }
2601
2602         return 0;
2603 }