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         int retval = rte_cryptodev_socket_id(cdev_id);
 666
 667         if (retval < 0)
 668                 return NULL;
 669
 670         uint8_t socket_id = (uint8_t) retval;
 671         struct rte_mempool *sess_mp = session_pool_socket[socket_id];
 672
 673         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 674                 first_xform = &options->aead_xform;
 675         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 676                 first_xform = &options->cipher_xform;
 677                 first_xform->next = &options->auth_xform;
 678         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 679                 first_xform = &options->auth_xform;
 680                 first_xform->next = &options->cipher_xform;
 681         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 682                 first_xform = &options->cipher_xform;
 683         } else {
 684                 first_xform = &options->auth_xform;
 685         }
 686
 687         session = rte_cryptodev_sym_session_create(sess_mp);
 688
 689         if (session == NULL)
 690                 return NULL;
 691
 692         if (rte_cryptodev_sym_session_init(cdev_id, session,
 693                                 first_xform, sess_mp) < 0)
 694                 return NULL;
 695
 696         return session;
 697 }
 698
 699 static void
 700 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 701
 702 /* main processing loop */
 703 static void
 704 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 705 {
 706         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 707         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 708
 709         unsigned lcore_id = rte_lcore_id();
 710         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 711         unsigned i, j, portid, nb_rx, len;
 712         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 713         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 714                         US_PER_S * BURST_TX_DRAIN_US;
 715         struct l2fwd_crypto_params *cparams;
 716         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 717         struct rte_cryptodev_sym_session *session;
 718
 719         if (qconf->nb_rx_ports == 0) {
 720                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 721                 return;
 722         }
 723
 724         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 725
 726         for (i = 0; i < qconf->nb_rx_ports; i++) {
 727
 728                 portid = qconf->rx_port_list[i];
 729                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 730                         portid);
 731         }
 732
 733         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 734                 port_cparams[i].do_cipher = 0;
 735                 port_cparams[i].do_hash = 0;
 736                 port_cparams[i].do_aead = 0;
 737
 738                 switch (options->xform_chain) {
 739                 case L2FWD_CRYPTO_AEAD:
 740                         port_cparams[i].do_aead = 1;
 741                         break;
 742                 case L2FWD_CRYPTO_CIPHER_HASH:
 743                 case L2FWD_CRYPTO_HASH_CIPHER:
 744                         port_cparams[i].do_cipher = 1;
 745                         port_cparams[i].do_hash = 1;
 746                         break;
 747                 case L2FWD_CRYPTO_HASH_ONLY:
 748                         port_cparams[i].do_hash = 1;
 749                         break;
 750                 case L2FWD_CRYPTO_CIPHER_ONLY:
 751                         port_cparams[i].do_cipher = 1;
 752                         break;
 753                 }
 754
 755                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 756                 port_cparams[i].qp_id = 0;
 757
 758                 port_cparams[i].block_size = options->block_size;
 759
 760                 if (port_cparams[i].do_hash) {
 761                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 762                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 763                         if (!options->auth_iv_param)
 764                                 generate_random_key(port_cparams[i].auth_iv.data,
 765                                                 port_cparams[i].auth_iv.length);
 766                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 767                                 port_cparams[i].hash_verify = 1;
 768                         else
 769                                 port_cparams[i].hash_verify = 0;
 770
 771                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 772                         port_cparams[i].digest_length =
 773                                         options->auth_xform.auth.digest_length;
 774                         /* Set IV parameters */
 775                         if (options->auth_iv.length) {
 776                                 options->auth_xform.auth.iv.offset =
 777                                         IV_OFFSET + options->cipher_iv.length;
 778                                 options->auth_xform.auth.iv.length =
 779                                         options->auth_iv.length;
 780                         }
 781                 }
 782
 783                 if (port_cparams[i].do_aead) {
 784                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 785                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 786                         if (!options->aead_iv_param)
 787                                 generate_random_key(port_cparams[i].aead_iv.data,
 788                                                 port_cparams[i].aead_iv.length);
 789                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 790                         port_cparams[i].digest_length =
 791                                         options->aead_xform.aead.digest_length;
 792                         if (options->aead_xform.aead.aad_length) {
 793                                 port_cparams[i].aad.data = options->aad.data;
 794                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 795                                 port_cparams[i].aad.length = options->aad.length;
 796                                 if (!options->aad_param)
 797                                         generate_random_key(port_cparams[i].aad.data,
 798                                                 port_cparams[i].aad.length);
 799
 800                         } else
 801                                 port_cparams[i].aad.length = 0;
 802
 803                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 804                                 port_cparams[i].hash_verify = 1;
 805                         else
 806                                 port_cparams[i].hash_verify = 0;
 807
 808                         /* Set IV parameters */
 809                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 810                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 811                 }
 812
 813                 if (port_cparams[i].do_cipher) {
 814                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 815                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 816                         if (!options->cipher_iv_param)
 817                                 generate_random_key(port_cparams[i].cipher_iv.data,
 818                                                 port_cparams[i].cipher_iv.length);
 819
 820                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 821                         /* Set IV parameters */
 822                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 823                         options->cipher_xform.cipher.iv.length =
 824                                                 options->cipher_iv.length;
 825                 }
 826
 827                 session = initialize_crypto_session(options,
 828                                 port_cparams[i].dev_id);
 829                 if (session == NULL)
 830                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 831
 832                 port_cparams[i].session = session;
 833
 834                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 835                                 port_cparams[i].dev_id);
 836         }
 837
 838         l2fwd_crypto_options_print(options);
 839
 840         /*
 841          * Initialize previous tsc timestamp before the loop,
 842          * to avoid showing the port statistics immediately,
 843          * so user can see the crypto information.
 844          */
 845         prev_tsc = rte_rdtsc();
 846         while (1) {
 847
 848                 cur_tsc = rte_rdtsc();
 849
 850                 /*
 851                  * Crypto device/TX burst queue drain
 852                  */
 853                 diff_tsc = cur_tsc - prev_tsc;
 854                 if (unlikely(diff_tsc > drain_tsc)) {
 855                         /* Enqueue all crypto ops remaining in buffers */
 856                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 857                                 cparams = &port_cparams[i];
 858                                 len = qconf->op_buf[cparams->dev_id].len;
 859                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 860                                 qconf->op_buf[cparams->dev_id].len = 0;
 861                         }
 862                         /* Transmit all packets remaining in buffers */
 863                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 864                                 if (qconf->pkt_buf[portid].len == 0)
 865                                         continue;
 866                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 867                                                  qconf->pkt_buf[portid].len,
 868                                                  (uint8_t) portid);
 869                                 qconf->pkt_buf[portid].len = 0;
 870                         }
 871
 872                         /* if timer is enabled */
 873                         if (timer_period > 0) {
 874
 875                                 /* advance the timer */
 876                                 timer_tsc += diff_tsc;
 877
 878                                 /* if timer has reached its timeout */
 879                                 if (unlikely(timer_tsc >=
 880                                                 (uint64_t)timer_period)) {
 881
 882                                         /* do this only on master core */
 883                                         if (lcore_id == rte_get_master_lcore()
 884                                                 && options->refresh_period) {
 885                                                 print_stats();
 886                                                 timer_tsc = 0;
 887                                         }
 888                                 }
 889                         }
 890
 891                         prev_tsc = cur_tsc;
 892                 }
 893
 894                 /*
 895                  * Read packet from RX queues
 896                  */
 897                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 898                         portid = qconf->rx_port_list[i];
 899
 900                         cparams = &port_cparams[i];
 901
 902                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 903                                                  pkts_burst, MAX_PKT_BURST);
 904
 905                         port_statistics[portid].rx += nb_rx;
 906
 907                         if (nb_rx) {
 908                                 /*
 909                                  * If we can't allocate a crypto_ops, then drop
 910                                  * the rest of the burst and dequeue and
 911                                  * process the packets to free offload structs
 912                                  */
 913                                 if (rte_crypto_op_bulk_alloc(
 914                                                 l2fwd_crypto_op_pool,
 915                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 916                                                 ops_burst, nb_rx) !=
 917                                                                 nb_rx) {
 918                                         for (j = 0; j < nb_rx; j++)
 919                                                 rte_pktmbuf_free(pkts_burst[j]);
 920
 921                                         nb_rx = 0;
 922                                 }
 923
 924                                 /* Enqueue packets from Crypto device*/
 925                                 for (j = 0; j < nb_rx; j++) {
 926                                         m = pkts_burst[j];
 927
 928                                         l2fwd_simple_crypto_enqueue(m,
 929                                                         ops_burst[j], cparams);
 930                                 }
 931                         }
 932
 933                         /* Dequeue packets from Crypto device */
 934                         do {
 935                                 nb_rx = rte_cryptodev_dequeue_burst(
 936                                                 cparams->dev_id, cparams->qp_id,
 937                                                 ops_burst, MAX_PKT_BURST);
 938
 939                                 crypto_statistics[cparams->dev_id].dequeued +=
 940                                                 nb_rx;
 941
 942                                 /* Forward crypto'd packets */
 943                                 for (j = 0; j < nb_rx; j++) {
 944                                         m = ops_burst[j]->sym->m_src;
 945
 946                                         rte_crypto_op_free(ops_burst[j]);
 947                                         l2fwd_simple_forward(m, portid,
 948                                                         options);
 949                                 }
 950                         } while (nb_rx == MAX_PKT_BURST);
 951                 }
 952         }
 953 }
 954
 955 static int
 956 l2fwd_launch_one_lcore(void *arg)
 957 {
 958         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 959         return 0;
 960 }
 961
 962 /* Display command line arguments usage */
 963 static void
 964 l2fwd_crypto_usage(const char *prgname)
 965 {
 966         printf("%s [EAL options] --\n"
 967                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 968                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 969                 "  -s manage all ports from single lcore\n"
 970                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 971                 " (0 to disable, 10 default, 86400 maximum)\n"
 972
 973                 "  --cdev_type HW / SW / ANY\n"
 974                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 975                 " HASH_ONLY / AEAD\n"
 976
 977                 "  --cipher_algo ALGO\n"
 978                 "  --cipher_op ENCRYPT / DECRYPT\n"
 979                 "  --cipher_key KEY (bytes separated with \":\")\n"
 980                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 981                 "  --cipher_iv IV (bytes separated with \":\")\n"
 982                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 983
 984                 "  --auth_algo ALGO\n"
 985                 "  --auth_op GENERATE / VERIFY\n"
 986                 "  --auth_key KEY (bytes separated with \":\")\n"
 987                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 988                 "  --auth_iv IV (bytes separated with \":\")\n"
 989                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 990
 991                 "  --aead_algo ALGO\n"
 992                 "  --aead_op ENCRYPT / DECRYPT\n"
 993                 "  --aead_key KEY (bytes separated with \":\")\n"
 994                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 995                 "  --aead_iv IV (bytes separated with \":\")\n"
 996                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 997                 "  --aad AAD (bytes separated with \":\")\n"
 998                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 999
1000                 "  --digest_size SIZE: size of digest to be generated/verified\n"
1001
1002                 "  --sessionless\n"
1003                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1004
1005                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1006                 "      When enabled:\n"
1007                 "       - The source MAC address is replaced by the TX port MAC address\n"
1008                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1009                prgname);
1010 }
1011
1012 /** Parse crypto device type command line argument */
1013 static int
1014 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1015 {
1016         if (strcmp("HW", optarg) == 0) {
1017                 *type = CDEV_TYPE_HW;
1018                 return 0;
1019         } else if (strcmp("SW", optarg) == 0) {
1020                 *type = CDEV_TYPE_SW;
1021                 return 0;
1022         } else if (strcmp("ANY", optarg) == 0) {
1023                 *type = CDEV_TYPE_ANY;
1024                 return 0;
1025         }
1026
1027         return -1;
1028 }
1029
1030 /** Parse crypto chain xform command line argument */
1031 static int
1032 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1033 {
1034         if (strcmp("CIPHER_HASH", optarg) == 0) {
1035                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1036                 return 0;
1037         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1038                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1039                 return 0;
1040         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1041                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1042                 return 0;
1043         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1044                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1045                 return 0;
1046         } else if (strcmp("AEAD", optarg) == 0) {
1047                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1048                 return 0;
1049         }
1050
1051         return -1;
1052 }
1053
1054 /** Parse crypto cipher algo option command line argument */
1055 static int
1056 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1057 {
1058
1059         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1060                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1061                                 "not supported!\n");
1062                 return -1;
1063         }
1064
1065         return 0;
1066 }
1067
1068 /** Parse crypto cipher operation command line argument */
1069 static int
1070 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1071 {
1072         if (strcmp("ENCRYPT", optarg) == 0) {
1073                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1074                 return 0;
1075         } else if (strcmp("DECRYPT", optarg) == 0) {
1076                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1077                 return 0;
1078         }
1079
1080         printf("Cipher operation not supported!\n");
1081         return -1;
1082 }
1083
1084 /** Parse crypto key command line argument */
1085 static int
1086 parse_key(uint8_t *data, char *input_arg)
1087 {
1088         unsigned byte_count;
1089         char *token;
1090
1091         errno = 0;
1092         for (byte_count = 0, token = strtok(input_arg, ":");
1093                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
1094                         token = strtok(NULL, ":")) {
1095
1096                 int number = (int)strtol(token, NULL, 16);
1097
1098                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1099                         return -1;
1100
1101                 data[byte_count++] = (uint8_t)number;
1102         }
1103
1104         return byte_count;
1105 }
1106
1107 /** Parse size param*/
1108 static int
1109 parse_size(int *size, const char *q_arg)
1110 {
1111         char *end = NULL;
1112         unsigned long n;
1113
1114         /* parse hexadecimal string */
1115         n = strtoul(q_arg, &end, 10);
1116         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1117                 n = 0;
1118
1119         if (n == 0) {
1120                 printf("invalid size\n");
1121                 return -1;
1122         }
1123
1124         *size = n;
1125         return 0;
1126 }
1127
1128 /** Parse crypto cipher operation command line argument */
1129 static int
1130 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1131 {
1132         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1133                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1134                                 "not supported!\n");
1135                 return -1;
1136         }
1137
1138         return 0;
1139 }
1140
1141 static int
1142 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1143 {
1144         if (strcmp("VERIFY", optarg) == 0) {
1145                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1146                 return 0;
1147         } else if (strcmp("GENERATE", optarg) == 0) {
1148                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1149                 return 0;
1150         }
1151
1152         printf("Authentication operation specified not supported!\n");
1153         return -1;
1154 }
1155
1156 static int
1157 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1158 {
1159         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1160                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1161                                 "not supported!\n");
1162                 return -1;
1163         }
1164
1165         return 0;
1166 }
1167
1168 static int
1169 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1170 {
1171         if (strcmp("ENCRYPT", optarg) == 0) {
1172                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1173                 return 0;
1174         } else if (strcmp("DECRYPT", optarg) == 0) {
1175                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1176                 return 0;
1177         }
1178
1179         printf("AEAD operation specified not supported!\n");
1180         return -1;
1181 }
1182 static int
1183 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1184                 const char *q_arg)
1185 {
1186         char *end = NULL;
1187         uint64_t pm;
1188
1189         /* parse hexadecimal string */
1190         pm = strtoul(q_arg, &end, 16);
1191         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1192                 pm = 0;
1193
1194         options->cryptodev_mask = pm;
1195         if (options->cryptodev_mask == 0) {
1196                 printf("invalid cryptodev_mask specified\n");
1197                 return -1;
1198         }
1199
1200         return 0;
1201 }
1202
1203 /** Parse long options */
1204 static int
1205 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1206                 struct option *lgopts, int option_index)
1207 {
1208         int retval;
1209
1210         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1211                 retval = parse_cryptodev_type(&options->type, optarg);
1212                 if (retval == 0)
1213                         snprintf(options->string_type, MAX_STR_LEN,
1214                                 "%s", optarg);
1215                 return retval;
1216         }
1217
1218         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1219                 return parse_crypto_opt_chain(options, optarg);
1220
1221         /* Cipher options */
1222         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1223                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1224                                 optarg);
1225
1226         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1227                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1228                                 optarg);
1229
1230         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1231                 options->ckey_param = 1;
1232                 options->cipher_xform.cipher.key.length =
1233                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1234                 if (options->cipher_xform.cipher.key.length > 0)
1235                         return 0;
1236                 else
1237                         return -1;
1238         }
1239
1240         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1241                 return parse_size(&options->ckey_random_size, optarg);
1242
1243         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1244                 options->cipher_iv_param = 1;
1245                 options->cipher_iv.length =
1246                         parse_key(options->cipher_iv.data, optarg);
1247                 if (options->cipher_iv.length > 0)
1248                         return 0;
1249                 else
1250                         return -1;
1251         }
1252
1253         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1254                 return parse_size(&options->cipher_iv_random_size, optarg);
1255
1256         /* Authentication options */
1257         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1258                 return parse_auth_algo(&options->auth_xform.auth.algo,
1259                                 optarg);
1260         }
1261
1262         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1263                 return parse_auth_op(&options->auth_xform.auth.op,
1264                                 optarg);
1265
1266         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1267                 options->akey_param = 1;
1268                 options->auth_xform.auth.key.length =
1269                         parse_key(options->auth_xform.auth.key.data, optarg);
1270                 if (options->auth_xform.auth.key.length > 0)
1271                         return 0;
1272                 else
1273                         return -1;
1274         }
1275
1276         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1277                 return parse_size(&options->akey_random_size, optarg);
1278         }
1279
1280         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1281                 options->auth_iv_param = 1;
1282                 options->auth_iv.length =
1283                         parse_key(options->auth_iv.data, optarg);
1284                 if (options->auth_iv.length > 0)
1285                         return 0;
1286                 else
1287                         return -1;
1288         }
1289
1290         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1291                 return parse_size(&options->auth_iv_random_size, optarg);
1292
1293         /* AEAD options */
1294         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1295                 return parse_aead_algo(&options->aead_xform.aead.algo,
1296                                 optarg);
1297         }
1298
1299         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1300                 return parse_aead_op(&options->aead_xform.aead.op,
1301                                 optarg);
1302
1303         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1304                 options->aead_key_param = 1;
1305                 options->aead_xform.aead.key.length =
1306                         parse_key(options->aead_xform.aead.key.data, optarg);
1307                 if (options->aead_xform.aead.key.length > 0)
1308                         return 0;
1309                 else
1310                         return -1;
1311         }
1312
1313         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1314                 return parse_size(&options->aead_key_random_size, optarg);
1315
1316
1317         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1318                 options->aead_iv_param = 1;
1319                 options->aead_iv.length =
1320                         parse_key(options->aead_iv.data, optarg);
1321                 if (options->aead_iv.length > 0)
1322                         return 0;
1323                 else
1324                         return -1;
1325         }
1326
1327         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1328                 return parse_size(&options->aead_iv_random_size, optarg);
1329
1330         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1331                 options->aad_param = 1;
1332                 options->aad.length =
1333                         parse_key(options->aad.data, optarg);
1334                 if (options->aad.length > 0)
1335                         return 0;
1336                 else
1337                         return -1;
1338         }
1339
1340         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1341                 return parse_size(&options->aad_random_size, optarg);
1342         }
1343
1344         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1345                 return parse_size(&options->digest_size, optarg);
1346         }
1347
1348         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1349                 options->sessionless = 1;
1350                 return 0;
1351         }
1352
1353         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1354                 return parse_cryptodev_mask(options, optarg);
1355
1356         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1357                 options->mac_updating = 1;
1358                 return 0;
1359         }
1360
1361         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1362                 options->mac_updating = 0;
1363                 return 0;
1364         }
1365
1366         return -1;
1367 }
1368
1369 /** Parse port mask */
1370 static int
1371 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1372                 const char *q_arg)
1373 {
1374         char *end = NULL;
1375         unsigned long pm;
1376
1377         /* parse hexadecimal string */
1378         pm = strtoul(q_arg, &end, 16);
1379         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1380                 pm = 0;
1381
1382         options->portmask = pm;
1383         if (options->portmask == 0) {
1384                 printf("invalid portmask specified\n");
1385                 return -1;
1386         }
1387
1388         return pm;
1389 }
1390
1391 /** Parse number of queues */
1392 static int
1393 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1394                 const char *q_arg)
1395 {
1396         char *end = NULL;
1397         unsigned long n;
1398
1399         /* parse hexadecimal string */
1400         n = strtoul(q_arg, &end, 10);
1401         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1402                 n = 0;
1403         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1404                 n = 0;
1405
1406         options->nb_ports_per_lcore = n;
1407         if (options->nb_ports_per_lcore == 0) {
1408                 printf("invalid number of ports selected\n");
1409                 return -1;
1410         }
1411
1412         return 0;
1413 }
1414
1415 /** Parse timer period */
1416 static int
1417 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1418                 const char *q_arg)
1419 {
1420         char *end = NULL;
1421         unsigned long n;
1422
1423         /* parse number string */
1424         n = (unsigned)strtol(q_arg, &end, 10);
1425         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1426                 n = 0;
1427
1428         if (n >= MAX_TIMER_PERIOD) {
1429                 printf("Warning refresh period specified %lu is greater than "
1430                                 "max value %lu! using max value",
1431                                 n, MAX_TIMER_PERIOD);
1432                 n = MAX_TIMER_PERIOD;
1433         }
1434
1435         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1436
1437         return 0;
1438 }
1439
1440 /** Generate default options for application */
1441 static void
1442 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1443 {
1444         options->portmask = 0xffffffff;
1445         options->nb_ports_per_lcore = 1;
1446         options->refresh_period = 10000;
1447         options->single_lcore = 0;
1448         options->sessionless = 0;
1449
1450         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1451
1452         /* Cipher Data */
1453         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1454         options->cipher_xform.next = NULL;
1455         options->ckey_param = 0;
1456         options->ckey_random_size = -1;
1457         options->cipher_xform.cipher.key.length = 0;
1458         options->cipher_iv_param = 0;
1459         options->cipher_iv_random_size = -1;
1460         options->cipher_iv.length = 0;
1461
1462         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1463         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1464
1465         /* Authentication Data */
1466         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1467         options->auth_xform.next = NULL;
1468         options->akey_param = 0;
1469         options->akey_random_size = -1;
1470         options->auth_xform.auth.key.length = 0;
1471         options->auth_iv_param = 0;
1472         options->auth_iv_random_size = -1;
1473         options->auth_iv.length = 0;
1474
1475         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1476         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1477
1478         /* AEAD Data */
1479         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1480         options->aead_xform.next = NULL;
1481         options->aead_key_param = 0;
1482         options->aead_key_random_size = -1;
1483         options->aead_xform.aead.key.length = 0;
1484         options->aead_iv_param = 0;
1485         options->aead_iv_random_size = -1;
1486         options->aead_iv.length = 0;
1487
1488         options->auth_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1489         options->auth_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1490
1491         options->aad_param = 0;
1492         options->aad_random_size = -1;
1493         options->aad.length = 0;
1494
1495         options->digest_size = -1;
1496
1497         options->type = CDEV_TYPE_ANY;
1498         options->cryptodev_mask = UINT64_MAX;
1499
1500         options->mac_updating = 1;
1501 }
1502
1503 static void
1504 display_cipher_info(struct l2fwd_crypto_options *options)
1505 {
1506         printf("\n---- Cipher information ---\n");
1507         printf("Algorithm: %s\n",
1508                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1509         rte_hexdump(stdout, "Cipher key:",
1510                         options->cipher_xform.cipher.key.data,
1511                         options->cipher_xform.cipher.key.length);
1512         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1513 }
1514
1515 static void
1516 display_auth_info(struct l2fwd_crypto_options *options)
1517 {
1518         printf("\n---- Authentication information ---\n");
1519         printf("Algorithm: %s\n",
1520                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1521         rte_hexdump(stdout, "Auth key:",
1522                         options->auth_xform.auth.key.data,
1523                         options->auth_xform.auth.key.length);
1524         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1525 }
1526
1527 static void
1528 display_aead_info(struct l2fwd_crypto_options *options)
1529 {
1530         printf("\n---- AEAD information ---\n");
1531         printf("Algorithm: %s\n",
1532                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1533         rte_hexdump(stdout, "AEAD key:",
1534                         options->aead_xform.aead.key.data,
1535                         options->aead_xform.aead.key.length);
1536         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1537         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1538 }
1539
1540 static void
1541 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1542 {
1543         char string_cipher_op[MAX_STR_LEN];
1544         char string_auth_op[MAX_STR_LEN];
1545         char string_aead_op[MAX_STR_LEN];
1546
1547         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1548                 strcpy(string_cipher_op, "Encrypt");
1549         else
1550                 strcpy(string_cipher_op, "Decrypt");
1551
1552         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1553                 strcpy(string_auth_op, "Auth generate");
1554         else
1555                 strcpy(string_auth_op, "Auth verify");
1556
1557         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1558                 strcpy(string_aead_op, "Authenticated encryption");
1559         else
1560                 strcpy(string_aead_op, "Authenticated decryption");
1561
1562
1563         printf("Options:-\nn");
1564         printf("portmask: %x\n", options->portmask);
1565         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1566         printf("refresh period : %u\n", options->refresh_period);
1567         printf("single lcore mode: %s\n",
1568                         options->single_lcore ? "enabled" : "disabled");
1569         printf("stats_printing: %s\n",
1570                         options->refresh_period == 0 ? "disabled" : "enabled");
1571
1572         printf("sessionless crypto: %s\n",
1573                         options->sessionless ? "enabled" : "disabled");
1574
1575         if (options->ckey_param && (options->ckey_random_size != -1))
1576                 printf("Cipher key already parsed, ignoring size of random key\n");
1577
1578         if (options->akey_param && (options->akey_random_size != -1))
1579                 printf("Auth key already parsed, ignoring size of random key\n");
1580
1581         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1582                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1583
1584         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1585                 printf("Auth IV already parsed, ignoring size of random IV\n");
1586
1587         if (options->aad_param && (options->aad_random_size != -1))
1588                 printf("AAD already parsed, ignoring size of random AAD\n");
1589
1590         printf("\nCrypto chain: ");
1591         switch (options->xform_chain) {
1592         case L2FWD_CRYPTO_AEAD:
1593                 printf("Input --> %s --> Output\n", string_aead_op);
1594                 display_aead_info(options);
1595                 break;
1596         case L2FWD_CRYPTO_CIPHER_HASH:
1597                 printf("Input --> %s --> %s --> Output\n",
1598                         string_cipher_op, string_auth_op);
1599                 display_cipher_info(options);
1600                 display_auth_info(options);
1601                 break;
1602         case L2FWD_CRYPTO_HASH_CIPHER:
1603                 printf("Input --> %s --> %s --> Output\n",
1604                         string_auth_op, string_cipher_op);
1605                 display_cipher_info(options);
1606                 display_auth_info(options);
1607                 break;
1608         case L2FWD_CRYPTO_HASH_ONLY:
1609                 printf("Input --> %s --> Output\n", string_auth_op);
1610                 display_auth_info(options);
1611                 break;
1612         case L2FWD_CRYPTO_CIPHER_ONLY:
1613                 printf("Input --> %s --> Output\n", string_cipher_op);
1614                 display_cipher_info(options);
1615                 break;
1616         }
1617 }
1618
1619 /* Parse the argument given in the command line of the application */
1620 static int
1621 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1622                 int argc, char **argv)
1623 {
1624         int opt, retval, option_index;
1625         char **argvopt = argv, *prgname = argv[0];
1626
1627         static struct option lgopts[] = {
1628                         { "sessionless", no_argument, 0, 0 },
1629
1630                         { "cdev_type", required_argument, 0, 0 },
1631                         { "chain", required_argument, 0, 0 },
1632
1633                         { "cipher_algo", required_argument, 0, 0 },
1634                         { "cipher_op", required_argument, 0, 0 },
1635                         { "cipher_key", required_argument, 0, 0 },
1636                         { "cipher_key_random_size", required_argument, 0, 0 },
1637                         { "cipher_iv", required_argument, 0, 0 },
1638                         { "cipher_iv_random_size", required_argument, 0, 0 },
1639
1640                         { "auth_algo", required_argument, 0, 0 },
1641                         { "auth_op", required_argument, 0, 0 },
1642                         { "auth_key", required_argument, 0, 0 },
1643                         { "auth_key_random_size", required_argument, 0, 0 },
1644                         { "auth_iv", required_argument, 0, 0 },
1645                         { "auth_iv_random_size", required_argument, 0, 0 },
1646
1647                         { "aead_algo", required_argument, 0, 0 },
1648                         { "aead_op", required_argument, 0, 0 },
1649                         { "aead_key", required_argument, 0, 0 },
1650                         { "aead_key_random_size", required_argument, 0, 0 },
1651                         { "aead_iv", required_argument, 0, 0 },
1652                         { "aead_iv_random_size", required_argument, 0, 0 },
1653
1654                         { "aad", required_argument, 0, 0 },
1655                         { "aad_random_size", required_argument, 0, 0 },
1656
1657                         { "digest_size", required_argument, 0, 0 },
1658
1659                         { "sessionless", no_argument, 0, 0 },
1660                         { "cryptodev_mask", required_argument, 0, 0},
1661
1662                         { "mac-updating", no_argument, 0, 0},
1663                         { "no-mac-updating", no_argument, 0, 0},
1664
1665                         { NULL, 0, 0, 0 }
1666         };
1667
1668         l2fwd_crypto_default_options(options);
1669
1670         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1671                         &option_index)) != EOF) {
1672                 switch (opt) {
1673                 /* long options */
1674                 case 0:
1675                         retval = l2fwd_crypto_parse_args_long_options(options,
1676                                         lgopts, option_index);
1677                         if (retval < 0) {
1678                                 l2fwd_crypto_usage(prgname);
1679                                 return -1;
1680                         }
1681                         break;
1682
1683                 /* portmask */
1684                 case 'p':
1685                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1686                         if (retval < 0) {
1687                                 l2fwd_crypto_usage(prgname);
1688                                 return -1;
1689                         }
1690                         break;
1691
1692                 /* nqueue */
1693                 case 'q':
1694                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1695                         if (retval < 0) {
1696                                 l2fwd_crypto_usage(prgname);
1697                                 return -1;
1698                         }
1699                         break;
1700
1701                 /* single  */
1702                 case 's':
1703                         options->single_lcore = 1;
1704
1705                         break;
1706
1707                 /* timer period */
1708                 case 'T':
1709                         retval = l2fwd_crypto_parse_timer_period(options,
1710                                         optarg);
1711                         if (retval < 0) {
1712                                 l2fwd_crypto_usage(prgname);
1713                                 return -1;
1714                         }
1715                         break;
1716
1717                 default:
1718                         l2fwd_crypto_usage(prgname);
1719                         return -1;
1720                 }
1721         }
1722
1723
1724         if (optind >= 0)
1725                 argv[optind-1] = prgname;
1726
1727         retval = optind-1;
1728         optind = 1; /* reset getopt lib */
1729
1730         return retval;
1731 }
1732
1733 /* Check the link status of all ports in up to 9s, and print them finally */
1734 static void
1735 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1736 {
1737 #define CHECK_INTERVAL 100 /* 100ms */
1738 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1739         uint8_t portid, count, all_ports_up, print_flag = 0;
1740         struct rte_eth_link link;
1741
1742         printf("\nChecking link status");
1743         fflush(stdout);
1744         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1745                 all_ports_up = 1;
1746                 for (portid = 0; portid < port_num; portid++) {
1747                         if ((port_mask & (1 << portid)) == 0)
1748                                 continue;
1749                         memset(&link, 0, sizeof(link));
1750                         rte_eth_link_get_nowait(portid, &link);
1751                         /* print link status if flag set */
1752                         if (print_flag == 1) {
1753                                 if (link.link_status)
1754                                         printf("Port %d Link Up - speed %u "
1755                                                 "Mbps - %s\n", (uint8_t)portid,
1756                                                 (unsigned)link.link_speed,
1757                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1758                                         ("full-duplex") : ("half-duplex\n"));
1759                                 else
1760                                         printf("Port %d Link Down\n",
1761                                                 (uint8_t)portid);
1762                                 continue;
1763                         }
1764                         /* clear all_ports_up flag if any link down */
1765                         if (link.link_status == ETH_LINK_DOWN) {
1766                                 all_ports_up = 0;
1767                                 break;
1768                         }
1769                 }
1770                 /* after finally printing all link status, get out */
1771                 if (print_flag == 1)
1772                         break;
1773
1774                 if (all_ports_up == 0) {
1775                         printf(".");
1776                         fflush(stdout);
1777                         rte_delay_ms(CHECK_INTERVAL);
1778                 }
1779
1780                 /* set the print_flag if all ports up or timeout */
1781                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1782                         print_flag = 1;
1783                         printf("done\n");
1784                 }
1785         }
1786 }
1787
1788 /* Check if device has to be HW/SW or any */
1789 static int
1790 check_type(const struct l2fwd_crypto_options *options,
1791                 const struct rte_cryptodev_info *dev_info)
1792 {
1793         if (options->type == CDEV_TYPE_HW &&
1794                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1795                 return 0;
1796         if (options->type == CDEV_TYPE_SW &&
1797                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1798                 return 0;
1799         if (options->type == CDEV_TYPE_ANY)
1800                 return 0;
1801
1802         return -1;
1803 }
1804
1805 static const struct rte_cryptodev_capabilities *
1806 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1807                 const struct rte_cryptodev_info *dev_info,
1808                 uint8_t cdev_id)
1809 {
1810         unsigned int i = 0;
1811         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1812         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1813         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1814                                         options->cipher_xform.cipher.algo;
1815
1816         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1817                 cap_cipher_algo = cap->sym.cipher.algo;
1818                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1819                         if (cap_cipher_algo == opt_cipher_algo) {
1820                                 if (check_type(options, dev_info) == 0)
1821                                         break;
1822                         }
1823                 }
1824                 cap = &dev_info->capabilities[++i];
1825         }
1826
1827         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1828                 printf("Algorithm %s not supported by cryptodev %u"
1829                         " or device not of preferred type (%s)\n",
1830                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1831                         cdev_id,
1832                         options->string_type);
1833                 return NULL;
1834         }
1835
1836         return cap;
1837 }
1838
1839 static const struct rte_cryptodev_capabilities *
1840 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1841                 const struct rte_cryptodev_info *dev_info,
1842                 uint8_t cdev_id)
1843 {
1844         unsigned int i = 0;
1845         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1846         enum rte_crypto_auth_algorithm cap_auth_algo;
1847         enum rte_crypto_auth_algorithm opt_auth_algo =
1848                                         options->auth_xform.auth.algo;
1849
1850         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1851                 cap_auth_algo = cap->sym.auth.algo;
1852                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1853                         if (cap_auth_algo == opt_auth_algo) {
1854                                 if (check_type(options, dev_info) == 0)
1855                                         break;
1856                         }
1857                 }
1858                 cap = &dev_info->capabilities[++i];
1859         }
1860
1861         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1862                 printf("Algorithm %s not supported by cryptodev %u"
1863                         " or device not of preferred type (%s)\n",
1864                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1865                         cdev_id,
1866                         options->string_type);
1867                 return NULL;
1868         }
1869
1870         return cap;
1871 }
1872
1873 static const struct rte_cryptodev_capabilities *
1874 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1875                 const struct rte_cryptodev_info *dev_info,
1876                 uint8_t cdev_id)
1877 {
1878         unsigned int i = 0;
1879         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1880         enum rte_crypto_aead_algorithm cap_aead_algo;
1881         enum rte_crypto_aead_algorithm opt_aead_algo =
1882                                         options->aead_xform.aead.algo;
1883
1884         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1885                 cap_aead_algo = cap->sym.aead.algo;
1886                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1887                         if (cap_aead_algo == opt_aead_algo) {
1888                                 if (check_type(options, dev_info) == 0)
1889                                         break;
1890                         }
1891                 }
1892                 cap = &dev_info->capabilities[++i];
1893         }
1894
1895         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1896                 printf("Algorithm %s not supported by cryptodev %u"
1897                         " or device not of preferred type (%s)\n",
1898                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1899                         cdev_id,
1900                         options->string_type);
1901                 return NULL;
1902         }
1903
1904         return cap;
1905 }
1906
1907 /* Check if the device is enabled by cryptodev_mask */
1908 static int
1909 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1910                 uint8_t cdev_id)
1911 {
1912         if (options->cryptodev_mask & (1 << cdev_id))
1913                 return 0;
1914
1915         return -1;
1916 }
1917
1918 static inline int
1919 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1920                 uint16_t increment)
1921 {
1922         uint16_t supp_size;
1923
1924         /* Single value */
1925         if (increment == 0) {
1926                 if (length == min)
1927                         return 0;
1928                 else
1929                         return -1;
1930         }
1931
1932         /* Range of values */
1933         for (supp_size = min; supp_size <= max; supp_size += increment) {
1934                 if (length == supp_size)
1935                         return 0;
1936         }
1937
1938         return -1;
1939 }
1940
1941 static int
1942 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1943                 unsigned int iv_param, int iv_random_size,
1944                 uint16_t *iv_length)
1945 {
1946         /*
1947          * Check if length of provided IV is supported
1948          * by the algorithm chosen.
1949          */
1950         if (iv_param) {
1951                 if (check_supported_size(*iv_length,
1952                                 iv_range_size->min,
1953                                 iv_range_size->max,
1954                                 iv_range_size->increment)
1955                                         != 0) {
1956                         printf("Unsupported IV length\n");
1957                         return -1;
1958                 }
1959         /*
1960          * Check if length of IV to be randomly generated
1961          * is supported by the algorithm chosen.
1962          */
1963         } else if (iv_random_size != -1) {
1964                 if (check_supported_size(iv_random_size,
1965                                 iv_range_size->min,
1966                                 iv_range_size->max,
1967                                 iv_range_size->increment)
1968                                         != 0) {
1969                         printf("Unsupported IV length\n");
1970                         return -1;
1971                 }
1972                 *iv_length = iv_random_size;
1973         /* No size provided, use minimum size. */
1974         } else
1975                 *iv_length = iv_range_size->min;
1976
1977         return 0;
1978 }
1979
1980 static int
1981 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1982                 uint8_t *enabled_cdevs)
1983 {
1984         unsigned int cdev_id, cdev_count, enabled_cdev_count = 0;
1985         const struct rte_cryptodev_capabilities *cap;
1986         unsigned int sess_sz, max_sess_sz = 0;
1987         int retval;
1988
1989         cdev_count = rte_cryptodev_count();
1990         if (cdev_count == 0) {
1991                 printf("No crypto devices available\n");
1992                 return -1;
1993         }
1994
1995         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
1996                 sess_sz = rte_cryptodev_get_private_session_size(cdev_id);
1997                 if (sess_sz > max_sess_sz)
1998                         max_sess_sz = sess_sz;
1999         }
2000
2001         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2002                         cdev_id++) {
2003                 struct rte_cryptodev_qp_conf qp_conf;
2004                 struct rte_cryptodev_info dev_info;
2005                 retval = rte_cryptodev_socket_id(cdev_id);
2006
2007                 if (retval < 0) {
2008                         printf("Invalid crypto device id used\n");
2009                         return -1;
2010                 }
2011
2012                 uint8_t socket_id = (uint8_t) retval;
2013
2014                 struct rte_cryptodev_config conf = {
2015                         .nb_queue_pairs = 1,
2016                         .socket_id = socket_id,
2017                 };
2018
2019                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
2020                         continue;
2021
2022                 rte_cryptodev_info_get(cdev_id, &dev_info);
2023
2024                 if (session_pool_socket[socket_id] == NULL) {
2025                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2026                         struct rte_mempool *sess_mp;
2027
2028                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2029                                 "sess_mp_%u", socket_id);
2030
2031                         /*
2032                          * Create enough objects for session headers and
2033                          * device private data
2034                          */
2035                         sess_mp = rte_mempool_create(mp_name,
2036                                                 MAX_SESSIONS * 2,
2037                                                 max_sess_sz,
2038                                                 SESSION_POOL_CACHE_SIZE,
2039                                                 0, NULL, NULL, NULL,
2040                                                 NULL, socket_id,
2041                                                 0);
2042
2043                         if (sess_mp == NULL) {
2044                                 printf("Cannot create session pool on socket %d\n",
2045                                         socket_id);
2046                                 return -ENOMEM;
2047                         }
2048
2049                         printf("Allocated session pool on socket %d\n", socket_id);
2050                         session_pool_socket[socket_id] = sess_mp;
2051                 }
2052
2053                 /* Set AEAD parameters */
2054                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2055                         /* Check if device supports AEAD algo */
2056                         cap = check_device_support_aead_algo(options, &dev_info,
2057                                                         cdev_id);
2058                         if (cap == NULL)
2059                                 continue;
2060
2061                         options->block_size = cap->sym.aead.block_size;
2062
2063                         check_iv_param(&cap->sym.aead.iv_size,
2064                                         options->aead_iv_param,
2065                                         options->aead_iv_random_size,
2066                                         &options->aead_iv.length);
2067
2068                         /*
2069                          * Check if length of provided AEAD key is supported
2070                          * by the algorithm chosen.
2071                          */
2072                         if (options->aead_key_param) {
2073                                 if (check_supported_size(
2074                                                 options->aead_xform.aead.key.length,
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                         /*
2083                          * Check if length of the aead key to be randomly generated
2084                          * is supported by the algorithm chosen.
2085                          */
2086                         } else if (options->aead_key_random_size != -1) {
2087                                 if (check_supported_size(options->aead_key_random_size,
2088                                                 cap->sym.aead.key_size.min,
2089                                                 cap->sym.aead.key_size.max,
2090                                                 cap->sym.aead.key_size.increment)
2091                                                         != 0) {
2092                                         printf("Unsupported aead key length\n");
2093                                         return -1;
2094                                 }
2095                                 options->aead_xform.aead.key.length =
2096                                                         options->aead_key_random_size;
2097                         /* No size provided, use minimum size. */
2098                         } else
2099                                 options->aead_xform.aead.key.length =
2100                                                 cap->sym.aead.key_size.min;
2101
2102                         if (!options->aead_key_param)
2103                                 generate_random_key(
2104                                         options->aead_xform.aead.key.data,
2105                                         options->aead_xform.aead.key.length);
2106
2107                         /*
2108                          * Check if length of provided AAD is supported
2109                          * by the algorithm chosen.
2110                          */
2111                         if (options->aad_param) {
2112                                 if (check_supported_size(options->aad.length,
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                         /*
2121                          * Check if length of AAD to be randomly generated
2122                          * is supported by the algorithm chosen.
2123                          */
2124                         } else if (options->aad_random_size != -1) {
2125                                 if (check_supported_size(options->aad_random_size,
2126                                                 cap->sym.aead.aad_size.min,
2127                                                 cap->sym.aead.aad_size.max,
2128                                                 cap->sym.aead.aad_size.increment)
2129                                                         != 0) {
2130                                         printf("Unsupported AAD length\n");
2131                                         return -1;
2132                                 }
2133                                 options->aad.length = options->aad_random_size;
2134                         /* No size provided, use minimum size. */
2135                         } else
2136                                 options->aad.length = cap->sym.auth.aad_size.min;
2137
2138                         options->aead_xform.aead.aad_length =
2139                                                 options->aad.length;
2140
2141                         /* Check if digest size is supported by the algorithm. */
2142                         if (options->digest_size != -1) {
2143                                 if (check_supported_size(options->digest_size,
2144                                                 cap->sym.aead.digest_size.min,
2145                                                 cap->sym.aead.digest_size.max,
2146                                                 cap->sym.aead.digest_size.increment)
2147                                                         != 0) {
2148                                         printf("Unsupported digest length\n");
2149                                         return -1;
2150                                 }
2151                                 options->aead_xform.aead.digest_length =
2152                                                         options->digest_size;
2153                         /* No size provided, use minimum size. */
2154                         } else
2155                                 options->aead_xform.aead.digest_length =
2156                                                 cap->sym.aead.digest_size.min;
2157                 }
2158
2159                 /* Set cipher parameters */
2160                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2161                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2162                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2163                         /* Check if device supports cipher algo */
2164                         cap = check_device_support_cipher_algo(options, &dev_info,
2165                                                         cdev_id);
2166                         if (cap == NULL)
2167                                 continue;
2168
2169                         options->block_size = cap->sym.cipher.block_size;
2170
2171                         check_iv_param(&cap->sym.cipher.iv_size,
2172                                         options->cipher_iv_param,
2173                                         options->cipher_iv_random_size,
2174                                         &options->cipher_iv.length);
2175
2176                         /*
2177                          * Check if length of provided cipher key is supported
2178                          * by the algorithm chosen.
2179                          */
2180                         if (options->ckey_param) {
2181                                 if (check_supported_size(
2182                                                 options->cipher_xform.cipher.key.length,
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                         /*
2191                          * Check if length of the cipher key to be randomly generated
2192                          * is supported by the algorithm chosen.
2193                          */
2194                         } else if (options->ckey_random_size != -1) {
2195                                 if (check_supported_size(options->ckey_random_size,
2196                                                 cap->sym.cipher.key_size.min,
2197                                                 cap->sym.cipher.key_size.max,
2198                                                 cap->sym.cipher.key_size.increment)
2199                                                         != 0) {
2200                                         printf("Unsupported cipher key length\n");
2201                                         return -1;
2202                                 }
2203                                 options->cipher_xform.cipher.key.length =
2204                                                         options->ckey_random_size;
2205                         /* No size provided, use minimum size. */
2206                         } else
2207                                 options->cipher_xform.cipher.key.length =
2208                                                 cap->sym.cipher.key_size.min;
2209
2210                         if (!options->ckey_param)
2211                                 generate_random_key(
2212                                         options->cipher_xform.cipher.key.data,
2213                                         options->cipher_xform.cipher.key.length);
2214
2215                 }
2216
2217                 /* Set auth parameters */
2218                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2219                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2220                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2221                         /* Check if device supports auth algo */
2222                         cap = check_device_support_auth_algo(options, &dev_info,
2223                                                         cdev_id);
2224                         if (cap == NULL)
2225                                 continue;
2226
2227                         check_iv_param(&cap->sym.auth.iv_size,
2228                                         options->auth_iv_param,
2229                                         options->auth_iv_random_size,
2230                                         &options->auth_iv.length);
2231                         /*
2232                          * Check if length of provided auth key is supported
2233                          * by the algorithm chosen.
2234                          */
2235                         if (options->akey_param) {
2236                                 if (check_supported_size(
2237                                                 options->auth_xform.auth.key.length,
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                         /*
2246                          * Check if length of the auth key to be randomly generated
2247                          * is supported by the algorithm chosen.
2248                          */
2249                         } else if (options->akey_random_size != -1) {
2250                                 if (check_supported_size(options->akey_random_size,
2251                                                 cap->sym.auth.key_size.min,
2252                                                 cap->sym.auth.key_size.max,
2253                                                 cap->sym.auth.key_size.increment)
2254                                                         != 0) {
2255                                         printf("Unsupported auth key length\n");
2256                                         return -1;
2257                                 }
2258                                 options->auth_xform.auth.key.length =
2259                                                         options->akey_random_size;
2260                         /* No size provided, use minimum size. */
2261                         } else
2262                                 options->auth_xform.auth.key.length =
2263                                                 cap->sym.auth.key_size.min;
2264
2265                         if (!options->akey_param)
2266                                 generate_random_key(
2267                                         options->auth_xform.auth.key.data,
2268                                         options->auth_xform.auth.key.length);
2269
2270                         /* Check if digest size is supported by the algorithm. */
2271                         if (options->digest_size != -1) {
2272                                 if (check_supported_size(options->digest_size,
2273                                                 cap->sym.auth.digest_size.min,
2274                                                 cap->sym.auth.digest_size.max,
2275                                                 cap->sym.auth.digest_size.increment)
2276                                                         != 0) {
2277                                         printf("Unsupported digest length\n");
2278                                         return -1;
2279                                 }
2280                                 options->auth_xform.auth.digest_length =
2281                                                         options->digest_size;
2282                         /* No size provided, use minimum size. */
2283                         } else
2284                                 options->auth_xform.auth.digest_length =
2285                                                 cap->sym.auth.digest_size.min;
2286                 }
2287
2288                 retval = rte_cryptodev_configure(cdev_id, &conf);
2289                 if (retval < 0) {
2290                         printf("Failed to configure cryptodev %u", cdev_id);
2291                         return -1;
2292                 }
2293
2294                 qp_conf.nb_descriptors = 2048;
2295
2296                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2297                                 socket_id, session_pool_socket[socket_id]);
2298                 if (retval < 0) {
2299                         printf("Failed to setup queue pair %u on cryptodev %u",
2300                                         0, cdev_id);
2301                         return -1;
2302                 }
2303
2304                 retval = rte_cryptodev_start(cdev_id);
2305                 if (retval < 0) {
2306                         printf("Failed to start device %u: error %d\n",
2307                                         cdev_id, retval);
2308                         return -1;
2309                 }
2310
2311                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2312
2313                 enabled_cdevs[cdev_id] = 1;
2314                 enabled_cdev_count++;
2315         }
2316
2317         return enabled_cdev_count;
2318 }
2319
2320 static int
2321 initialize_ports(struct l2fwd_crypto_options *options)
2322 {
2323         uint8_t last_portid, portid;
2324         unsigned enabled_portcount = 0;
2325         unsigned nb_ports = rte_eth_dev_count();
2326
2327         if (nb_ports == 0) {
2328                 printf("No Ethernet ports - bye\n");
2329                 return -1;
2330         }
2331
2332         /* Reset l2fwd_dst_ports */
2333         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2334                 l2fwd_dst_ports[portid] = 0;
2335
2336         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
2337                 int retval;
2338
2339                 /* Skip ports that are not enabled */
2340                 if ((options->portmask & (1 << portid)) == 0)
2341                         continue;
2342
2343                 /* init port */
2344                 printf("Initializing port %u... ", (unsigned) portid);
2345                 fflush(stdout);
2346                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
2347                 if (retval < 0) {
2348                         printf("Cannot configure device: err=%d, port=%u\n",
2349                                   retval, (unsigned) portid);
2350                         return -1;
2351                 }
2352
2353                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2354                                                           &nb_txd);
2355                 if (retval < 0) {
2356                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2357                                 retval, (unsigned) portid);
2358                         return -1;
2359                 }
2360
2361                 /* init one RX queue */
2362                 fflush(stdout);
2363                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2364                                              rte_eth_dev_socket_id(portid),
2365                                              NULL, l2fwd_pktmbuf_pool);
2366                 if (retval < 0) {
2367                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2368                                         retval, (unsigned) portid);
2369                         return -1;
2370                 }
2371
2372                 /* init one TX queue on each port */
2373                 fflush(stdout);
2374                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2375                                 rte_eth_dev_socket_id(portid),
2376                                 NULL);
2377                 if (retval < 0) {
2378                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2379                                 retval, (unsigned) portid);
2380
2381                         return -1;
2382                 }
2383
2384                 /* Start device */
2385                 retval = rte_eth_dev_start(portid);
2386                 if (retval < 0) {
2387                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2388                                         retval, (unsigned) portid);
2389                         return -1;
2390                 }
2391
2392                 rte_eth_promiscuous_enable(portid);
2393
2394                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2395
2396                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2397                                 (unsigned) portid,
2398                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2399                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2400                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2401                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2402                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2403                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2404
2405                 /* initialize port stats */
2406                 memset(&port_statistics, 0, sizeof(port_statistics));
2407
2408                 /* Setup port forwarding table */
2409                 if (enabled_portcount % 2) {
2410                         l2fwd_dst_ports[portid] = last_portid;
2411                         l2fwd_dst_ports[last_portid] = portid;
2412                 } else {
2413                         last_portid = portid;
2414                 }
2415
2416                 l2fwd_enabled_port_mask |= (1 << portid);
2417                 enabled_portcount++;
2418         }
2419
2420         if (enabled_portcount == 1) {
2421                 l2fwd_dst_ports[last_portid] = last_portid;
2422         } else if (enabled_portcount % 2) {
2423                 printf("odd number of ports in portmask- bye\n");
2424                 return -1;
2425         }
2426
2427         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
2428
2429         return enabled_portcount;
2430 }
2431
2432 static void
2433 reserve_key_memory(struct l2fwd_crypto_options *options)
2434 {
2435         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2436                                                 MAX_KEY_SIZE, 0);
2437         if (options->cipher_xform.cipher.key.data == NULL)
2438                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2439
2440         options->auth_xform.auth.key.data = rte_malloc("auth key",
2441                                                 MAX_KEY_SIZE, 0);
2442         if (options->auth_xform.auth.key.data == NULL)
2443                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2444
2445         options->aead_xform.aead.key.data = rte_malloc("aead key",
2446                                                 MAX_KEY_SIZE, 0);
2447         if (options->aead_xform.aead.key.data == NULL)
2448                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2449
2450         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2451         if (options->cipher_iv.data == NULL)
2452                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2453
2454         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2455         if (options->auth_iv.data == NULL)
2456                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2457
2458         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2459         if (options->aead_iv.data == NULL)
2460                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2461
2462         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2463         if (options->aad.data == NULL)
2464                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2465         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
2466 }
2467
2468 int
2469 main(int argc, char **argv)
2470 {
2471         struct lcore_queue_conf *qconf;
2472         struct l2fwd_crypto_options options;
2473
2474         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
2475         unsigned lcore_id, rx_lcore_id;
2476         int ret, enabled_cdevcount, enabled_portcount;
2477         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2478
2479         /* init EAL */
2480         ret = rte_eal_init(argc, argv);
2481         if (ret < 0)
2482                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2483         argc -= ret;
2484         argv += ret;
2485
2486         /* reserve memory for Cipher/Auth key and IV */
2487         reserve_key_memory(&options);
2488
2489         /* parse application arguments (after the EAL ones) */
2490         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2491         if (ret < 0)
2492                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2493
2494         printf("MAC updating %s\n",
2495                         options.mac_updating ? "enabled" : "disabled");
2496
2497         /* create the mbuf pool */
2498         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2499                         sizeof(struct rte_crypto_op),
2500                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2501         if (l2fwd_pktmbuf_pool == NULL)
2502                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2503
2504         /* create crypto op pool */
2505         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2506                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2507                         rte_socket_id());
2508         if (l2fwd_crypto_op_pool == NULL)
2509                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2510
2511         /* Enable Ethernet ports */
2512         enabled_portcount = initialize_ports(&options);
2513         if (enabled_portcount < 1)
2514                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2515
2516         nb_ports = rte_eth_dev_count();
2517         /* Initialize the port/queue configuration of each logical core */
2518         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2519                         portid < nb_ports; portid++) {
2520
2521                 /* skip ports that are not enabled */
2522                 if ((options.portmask & (1 << portid)) == 0)
2523                         continue;
2524
2525                 if (options.single_lcore && qconf == NULL) {
2526                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2527                                 rx_lcore_id++;
2528                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2529                                         rte_exit(EXIT_FAILURE,
2530                                                         "Not enough cores\n");
2531                         }
2532                 } else if (!options.single_lcore) {
2533                         /* get the lcore_id for this port */
2534                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2535                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2536                                options.nb_ports_per_lcore) {
2537                                 rx_lcore_id++;
2538                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2539                                         rte_exit(EXIT_FAILURE,
2540                                                         "Not enough cores\n");
2541                         }
2542                 }
2543
2544                 /* Assigned a new logical core in the loop above. */
2545                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2546                         qconf = &lcore_queue_conf[rx_lcore_id];
2547
2548                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2549                 qconf->nb_rx_ports++;
2550
2551                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2552         }
2553
2554         /* Enable Crypto devices */
2555         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2556                         enabled_cdevs);
2557         if (enabled_cdevcount < 0)
2558                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2559
2560         if (enabled_cdevcount < enabled_portcount)
2561                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2562                                 "has to be more or equal to number of ports (%d)\n",
2563                                 enabled_cdevcount, enabled_portcount);
2564
2565         nb_cryptodevs = rte_cryptodev_count();
2566
2567         /* Initialize the port/cryptodev configuration of each logical core */
2568         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2569                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2570                         cdev_id++) {
2571                 /* Crypto op not supported by crypto device */
2572                 if (!enabled_cdevs[cdev_id])
2573                         continue;
2574
2575                 if (options.single_lcore && qconf == NULL) {
2576                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2577                                 rx_lcore_id++;
2578                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2579                                         rte_exit(EXIT_FAILURE,
2580                                                         "Not enough cores\n");
2581                         }
2582                 } else if (!options.single_lcore) {
2583                         /* get the lcore_id for this port */
2584                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2585                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2586                                options.nb_ports_per_lcore) {
2587                                 rx_lcore_id++;
2588                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2589                                         rte_exit(EXIT_FAILURE,
2590                                                         "Not enough cores\n");
2591                         }
2592                 }
2593
2594                 /* Assigned a new logical core in the loop above. */
2595                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2596                         qconf = &lcore_queue_conf[rx_lcore_id];
2597
2598                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2599                 qconf->nb_crypto_devs++;
2600
2601                 enabled_cdevcount--;
2602
2603                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2604                                 (unsigned)cdev_id);
2605         }
2606
2607         /* launch per-lcore init on every lcore */
2608         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2609                         CALL_MASTER);
2610         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2611                 if (rte_eal_wait_lcore(lcore_id) < 0)
2612                         return -1;
2613         }
2614
2615         return 0;
2616 }