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
  49 #include <rte_atomic.h>
  50 #include <rte_branch_prediction.h>
  51 #include <rte_common.h>
  52 #include <rte_cryptodev.h>
  53 #include <rte_cycles.h>
  54 #include <rte_debug.h>
  55 #include <rte_eal.h>
  56 #include <rte_ether.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_interrupts.h>
  59 #include <rte_ip.h>
  60 #include <rte_launch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_log.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_memcpy.h>
  66 #include <rte_memory.h>
  67 #include <rte_mempool.h>
  68 #include <rte_memzone.h>
  69 #include <rte_pci.h>
  70 #include <rte_per_lcore.h>
  71 #include <rte_prefetch.h>
  72 #include <rte_random.h>
  73 #include <rte_ring.h>
  74 #include <rte_hexdump.h>
  75
  76 enum cdev_type {
  77         CDEV_TYPE_ANY,
  78         CDEV_TYPE_HW,
  79         CDEV_TYPE_SW
  80 };
  81
  82 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  83
  84 #define NB_MBUF   8192
  85
  86 #define MAX_STR_LEN 32
  87 #define MAX_KEY_SIZE 128
  88 #define MAX_PKT_BURST 32
  89 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  90
  91 /*
  92  * Configurable number of RX/TX ring descriptors
  93  */
  94 #define RTE_TEST_RX_DESC_DEFAULT 128
  95 #define RTE_TEST_TX_DESC_DEFAULT 512
  96
  97 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  98 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  99
 100 /* ethernet addresses of ports */
 101 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 102
 103 /* mask of enabled ports */
 104 static uint64_t l2fwd_enabled_port_mask;
 105 static uint64_t l2fwd_enabled_crypto_mask;
 106
 107 /* list of enabled ports */
 108 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 109
 110
 111 struct pkt_buffer {
 112         unsigned len;
 113         struct rte_mbuf *buffer[MAX_PKT_BURST];
 114 };
 115
 116 struct op_buffer {
 117         unsigned len;
 118         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 119 };
 120
 121 #define MAX_RX_QUEUE_PER_LCORE 16
 122 #define MAX_TX_QUEUE_PER_PORT 16
 123
 124 enum l2fwd_crypto_xform_chain {
 125         L2FWD_CRYPTO_CIPHER_HASH,
 126         L2FWD_CRYPTO_HASH_CIPHER,
 127         L2FWD_CRYPTO_CIPHER_ONLY,
 128         L2FWD_CRYPTO_HASH_ONLY
 129 };
 130
 131 struct l2fwd_key {
 132         uint8_t *data;
 133         uint32_t length;
 134         phys_addr_t phys_addr;
 135 };
 136
 137 char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
 138 char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];
 139
 140 /** l2fwd crypto application command line options */
 141 struct l2fwd_crypto_options {
 142         unsigned portmask;
 143         unsigned nb_ports_per_lcore;
 144         unsigned refresh_period;
 145         unsigned single_lcore:1;
 146
 147         enum cdev_type type;
 148         unsigned sessionless:1;
 149
 150         enum l2fwd_crypto_xform_chain xform_chain;
 151
 152         struct rte_crypto_sym_xform cipher_xform;
 153         unsigned ckey_param;
 154         int ckey_random_size;
 155
 156         struct l2fwd_key iv;
 157         unsigned iv_param;
 158         int iv_random_size;
 159
 160         struct rte_crypto_sym_xform auth_xform;
 161         uint8_t akey_param;
 162         int akey_random_size;
 163
 164         struct l2fwd_key aad;
 165         unsigned aad_param;
 166         int aad_random_size;
 167
 168         int digest_size;
 169
 170         uint16_t block_size;
 171         char string_type[MAX_STR_LEN];
 172 };
 173
 174 /** l2fwd crypto lcore params */
 175 struct l2fwd_crypto_params {
 176         uint8_t dev_id;
 177         uint8_t qp_id;
 178
 179         unsigned digest_length;
 180         unsigned block_size;
 181
 182         struct l2fwd_key iv;
 183         struct l2fwd_key aad;
 184         struct rte_cryptodev_sym_session *session;
 185
 186         uint8_t do_cipher;
 187         uint8_t do_hash;
 188         uint8_t hash_verify;
 189
 190         enum rte_crypto_cipher_algorithm cipher_algo;
 191         enum rte_crypto_auth_algorithm auth_algo;
 192 };
 193
 194 /** lcore configuration */
 195 struct lcore_queue_conf {
 196         unsigned nb_rx_ports;
 197         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 198
 199         unsigned nb_crypto_devs;
 200         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 201
 202         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
 203         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 204 } __rte_cache_aligned;
 205
 206 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 207
 208 static const struct rte_eth_conf port_conf = {
 209         .rxmode = {
 210                 .mq_mode = ETH_MQ_RX_NONE,
 211                 .max_rx_pkt_len = ETHER_MAX_LEN,
 212                 .split_hdr_size = 0,
 213                 .header_split   = 0, /**< Header Split disabled */
 214                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 215                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 216                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 217                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 218         },
 219         .txmode = {
 220                 .mq_mode = ETH_MQ_TX_NONE,
 221         },
 222 };
 223
 224 struct rte_mempool *l2fwd_pktmbuf_pool;
 225 struct rte_mempool *l2fwd_crypto_op_pool;
 226
 227 /* Per-port statistics struct */
 228 struct l2fwd_port_statistics {
 229         uint64_t tx;
 230         uint64_t rx;
 231
 232         uint64_t crypto_enqueued;
 233         uint64_t crypto_dequeued;
 234
 235         uint64_t dropped;
 236 } __rte_cache_aligned;
 237
 238 struct l2fwd_crypto_statistics {
 239         uint64_t enqueued;
 240         uint64_t dequeued;
 241
 242         uint64_t errors;
 243 } __rte_cache_aligned;
 244
 245 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 246 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS];
 247
 248 /* A tsc-based timer responsible for triggering statistics printout */
 249 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 250 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 251
 252 /* default period is 10 seconds */
 253 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 254
 255 /* Print out statistics on packets dropped */
 256 static void
 257 print_stats(void)
 258 {
 259         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 260         uint64_t total_packets_enqueued, total_packets_dequeued,
 261                 total_packets_errors;
 262         unsigned portid;
 263         uint64_t cdevid;
 264
 265         total_packets_dropped = 0;
 266         total_packets_tx = 0;
 267         total_packets_rx = 0;
 268         total_packets_enqueued = 0;
 269         total_packets_dequeued = 0;
 270         total_packets_errors = 0;
 271
 272         const char clr[] = { 27, '[', '2', 'J', '\0' };
 273         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 274
 275                 /* Clear screen and move to top left */
 276         printf("%s%s", clr, topLeft);
 277
 278         printf("\nPort statistics ====================================");
 279
 280         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 281                 /* skip disabled ports */
 282                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 283                         continue;
 284                 printf("\nStatistics for port %u ------------------------------"
 285                            "\nPackets sent: %32"PRIu64
 286                            "\nPackets received: %28"PRIu64
 287                            "\nPackets dropped: %29"PRIu64,
 288                            portid,
 289                            port_statistics[portid].tx,
 290                            port_statistics[portid].rx,
 291                            port_statistics[portid].dropped);
 292
 293                 total_packets_dropped += port_statistics[portid].dropped;
 294                 total_packets_tx += port_statistics[portid].tx;
 295                 total_packets_rx += port_statistics[portid].rx;
 296         }
 297         printf("\nCrypto statistics ==================================");
 298
 299         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 300                 /* skip disabled ports */
 301                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 302                         continue;
 303                 printf("\nStatistics for cryptodev %"PRIu64
 304                                 " -------------------------"
 305                            "\nPackets enqueued: %28"PRIu64
 306                            "\nPackets dequeued: %28"PRIu64
 307                            "\nPackets errors: %30"PRIu64,
 308                            cdevid,
 309                            crypto_statistics[cdevid].enqueued,
 310                            crypto_statistics[cdevid].dequeued,
 311                            crypto_statistics[cdevid].errors);
 312
 313                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 314                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 315                 total_packets_errors += crypto_statistics[cdevid].errors;
 316         }
 317         printf("\nAggregate statistics ==============================="
 318                    "\nTotal packets received: %22"PRIu64
 319                    "\nTotal packets enqueued: %22"PRIu64
 320                    "\nTotal packets dequeued: %22"PRIu64
 321                    "\nTotal packets sent: %26"PRIu64
 322                    "\nTotal packets dropped: %23"PRIu64
 323                    "\nTotal packets crypto errors: %17"PRIu64,
 324                    total_packets_rx,
 325                    total_packets_enqueued,
 326                    total_packets_dequeued,
 327                    total_packets_tx,
 328                    total_packets_dropped,
 329                    total_packets_errors);
 330         printf("\n====================================================\n");
 331 }
 332
 333 static void
 334 fill_supported_algorithm_tables(void)
 335 {
 336         unsigned i;
 337
 338         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
 339                 strcpy(supported_auth_algo[i], "NOT_SUPPORTED");
 340
 341         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
 342         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
 343         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
 344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 345         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 346         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 348         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 350
 351         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 352                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 353
 354         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 355         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 356         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 357         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 358         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 359 }
 360
 361
 362 static int
 363 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 364                 struct l2fwd_crypto_params *cparams)
 365 {
 366         struct rte_crypto_op **op_buffer;
 367         unsigned ret;
 368
 369         op_buffer = (struct rte_crypto_op **)
 370                         qconf->op_buf[cparams->dev_id].buffer;
 371
 372         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 373                         cparams->qp_id, op_buffer, (uint16_t) n);
 374
 375         crypto_statistics[cparams->dev_id].enqueued += ret;
 376         if (unlikely(ret < n)) {
 377                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 378                 do {
 379                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 380                         rte_crypto_op_free(op_buffer[ret]);
 381                 } while (++ret < n);
 382         }
 383
 384         return 0;
 385 }
 386
 387 static int
 388 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 389                 struct l2fwd_crypto_params *cparams)
 390 {
 391         unsigned lcore_id, len;
 392         struct lcore_queue_conf *qconf;
 393
 394         lcore_id = rte_lcore_id();
 395
 396         qconf = &lcore_queue_conf[lcore_id];
 397         len = qconf->op_buf[cparams->dev_id].len;
 398         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 399         len++;
 400
 401         /* enough ops to be sent */
 402         if (len == MAX_PKT_BURST) {
 403                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 404                 len = 0;
 405         }
 406
 407         qconf->op_buf[cparams->dev_id].len = len;
 408         return 0;
 409 }
 410
 411 static int
 412 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 413                 struct rte_crypto_op *op,
 414                 struct l2fwd_crypto_params *cparams)
 415 {
 416         struct ether_hdr *eth_hdr;
 417         struct ipv4_hdr *ip_hdr;
 418
 419         unsigned ipdata_offset, pad_len, data_len;
 420         char *padding;
 421
 422         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 423
 424         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 425                 return -1;
 426
 427         ipdata_offset = sizeof(struct ether_hdr);
 428
 429         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 430                         ipdata_offset);
 431
 432         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 433                         * IPV4_IHL_MULTIPLIER;
 434
 435
 436         /* Zero pad data to be crypto'd so it is block aligned */
 437         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 438         pad_len = data_len % cparams->block_size ? cparams->block_size -
 439                         (data_len % cparams->block_size) : 0;
 440
 441         if (pad_len) {
 442                 padding = rte_pktmbuf_append(m, pad_len);
 443                 if (unlikely(!padding))
 444                         return -1;
 445
 446                 data_len += pad_len;
 447                 memset(padding, 0, pad_len);
 448         }
 449
 450         /* Set crypto operation data parameters */
 451         rte_crypto_op_attach_sym_session(op, cparams->session);
 452
 453         if (cparams->do_hash) {
 454                 if (!cparams->hash_verify) {
 455                         /* Append space for digest to end of packet */
 456                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 457                                 cparams->digest_length);
 458                 } else {
 459                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 460                                 cparams->digest_length);
 461                 }
 462
 463                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 464                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 465                 op->sym->auth.digest.length = cparams->digest_length;
 466
 467                 /* For SNOW3G algorithms, offset/length must be in bits */
 468                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2) {
 469                         op->sym->auth.data.offset = ipdata_offset << 3;
 470                         op->sym->auth.data.length = data_len << 3;
 471                 } else {
 472                         op->sym->auth.data.offset = ipdata_offset;
 473                         op->sym->auth.data.length = data_len;
 474                 }
 475
 476                 if (cparams->aad.length) {
 477                         op->sym->auth.aad.data = cparams->aad.data;
 478                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 479                         op->sym->auth.aad.length = cparams->aad.length;
 480                 }
 481         }
 482
 483         if (cparams->do_cipher) {
 484                 op->sym->cipher.iv.data = cparams->iv.data;
 485                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 486                 op->sym->cipher.iv.length = cparams->iv.length;
 487
 488                 /* For SNOW3G algorithms, offset/length must be in bits */
 489                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2) {
 490                         op->sym->cipher.data.offset = ipdata_offset << 3;
 491                         if (cparams->do_hash && cparams->hash_verify)
 492                                 /* Do not cipher the hash tag */
 493                                 op->sym->cipher.data.length = (data_len -
 494                                         cparams->digest_length) << 3;
 495                         else
 496                                 op->sym->cipher.data.length = data_len << 3;
 497
 498                 } else {
 499                         op->sym->cipher.data.offset = ipdata_offset;
 500                         if (cparams->do_hash && cparams->hash_verify)
 501                                 /* Do not cipher the hash tag */
 502                                 op->sym->cipher.data.length = data_len -
 503                                         cparams->digest_length;
 504                         else
 505                                 op->sym->cipher.data.length = data_len;
 506                 }
 507         }
 508
 509         op->sym->m_src = m;
 510
 511         return l2fwd_crypto_enqueue(op, cparams);
 512 }
 513
 514
 515 /* Send the burst of packets on an output interface */
 516 static int
 517 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 518                 uint8_t port)
 519 {
 520         struct rte_mbuf **pkt_buffer;
 521         unsigned ret;
 522
 523         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 524
 525         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 526         port_statistics[port].tx += ret;
 527         if (unlikely(ret < n)) {
 528                 port_statistics[port].dropped += (n - ret);
 529                 do {
 530                         rte_pktmbuf_free(pkt_buffer[ret]);
 531                 } while (++ret < n);
 532         }
 533
 534         return 0;
 535 }
 536
 537 /* Enqueue packets for TX and prepare them to be sent */
 538 static int
 539 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 540 {
 541         unsigned lcore_id, len;
 542         struct lcore_queue_conf *qconf;
 543
 544         lcore_id = rte_lcore_id();
 545
 546         qconf = &lcore_queue_conf[lcore_id];
 547         len = qconf->pkt_buf[port].len;
 548         qconf->pkt_buf[port].buffer[len] = m;
 549         len++;
 550
 551         /* enough pkts to be sent */
 552         if (unlikely(len == MAX_PKT_BURST)) {
 553                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 554                 len = 0;
 555         }
 556
 557         qconf->pkt_buf[port].len = len;
 558         return 0;
 559 }
 560
 561 static void
 562 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 563 {
 564         struct ether_hdr *eth;
 565         void *tmp;
 566         unsigned dst_port;
 567
 568         dst_port = l2fwd_dst_ports[portid];
 569         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 570
 571         /* 02:00:00:00:00:xx */
 572         tmp = &eth->d_addr.addr_bytes[0];
 573         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 574
 575         /* src addr */
 576         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 577
 578         l2fwd_send_packet(m, (uint8_t) dst_port);
 579 }
 580
 581 /** Generate random key */
 582 static void
 583 generate_random_key(uint8_t *key, unsigned length)
 584 {
 585         unsigned i;
 586
 587         for (i = 0; i < length; i++)
 588                 key[i] = rand() % 0xff;
 589 }
 590
 591 static struct rte_cryptodev_sym_session *
 592 initialize_crypto_session(struct l2fwd_crypto_options *options,
 593                 uint8_t cdev_id)
 594 {
 595         struct rte_crypto_sym_xform *first_xform;
 596
 597         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 598                 first_xform = &options->cipher_xform;
 599                 first_xform->next = &options->auth_xform;
 600         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 601                 first_xform = &options->auth_xform;
 602                 first_xform->next = &options->cipher_xform;
 603         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 604                 first_xform = &options->cipher_xform;
 605         } else {
 606                 first_xform = &options->auth_xform;
 607         }
 608
 609         /* Setup Cipher Parameters */
 610         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 611 }
 612
 613 static void
 614 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 615
 616 /* main processing loop */
 617 static void
 618 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 619 {
 620         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 621         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 622
 623         unsigned lcore_id = rte_lcore_id();
 624         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 625         unsigned i, j, portid, nb_rx;
 626         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 627         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 628                         US_PER_S * BURST_TX_DRAIN_US;
 629         struct l2fwd_crypto_params *cparams;
 630         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 631
 632         if (qconf->nb_rx_ports == 0) {
 633                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 634                 return;
 635         }
 636
 637         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 638
 639         for (i = 0; i < qconf->nb_rx_ports; i++) {
 640
 641                 portid = qconf->rx_port_list[i];
 642                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 643                         portid);
 644         }
 645
 646         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 647                 port_cparams[i].do_cipher = 0;
 648                 port_cparams[i].do_hash = 0;
 649
 650                 switch (options->xform_chain) {
 651                 case L2FWD_CRYPTO_CIPHER_HASH:
 652                 case L2FWD_CRYPTO_HASH_CIPHER:
 653                         port_cparams[i].do_cipher = 1;
 654                         port_cparams[i].do_hash = 1;
 655                         break;
 656                 case L2FWD_CRYPTO_HASH_ONLY:
 657                         port_cparams[i].do_hash = 1;
 658                         break;
 659                 case L2FWD_CRYPTO_CIPHER_ONLY:
 660                         port_cparams[i].do_cipher = 1;
 661                         break;
 662                 }
 663
 664                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 665                 port_cparams[i].qp_id = 0;
 666
 667                 port_cparams[i].block_size = options->block_size;
 668
 669                 if (port_cparams[i].do_hash) {
 670                         port_cparams[i].digest_length =
 671                                         options->auth_xform.auth.digest_length;
 672                         if (options->auth_xform.auth.add_auth_data_length) {
 673                                 port_cparams[i].aad.data = options->aad.data;
 674                                 port_cparams[i].aad.length =
 675                                         options->auth_xform.auth.add_auth_data_length;
 676                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 677                                 if (!options->aad_param)
 678                                         generate_random_key(port_cparams[i].aad.data,
 679                                                 port_cparams[i].aad.length);
 680
 681                         }
 682
 683                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 684                                 port_cparams[i].hash_verify = 1;
 685                         else
 686                                 port_cparams[i].hash_verify = 0;
 687
 688                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 689                 }
 690
 691                 if (port_cparams[i].do_cipher) {
 692                         port_cparams[i].iv.data = options->iv.data;
 693                         port_cparams[i].iv.length = options->iv.length;
 694                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 695                         if (!options->iv_param)
 696                                 generate_random_key(port_cparams[i].iv.data,
 697                                                 port_cparams[i].iv.length);
 698
 699                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 700                 }
 701
 702                 port_cparams[i].session = initialize_crypto_session(options,
 703                                 port_cparams[i].dev_id);
 704
 705                 if (port_cparams[i].session == NULL)
 706                         return;
 707                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 708                                 port_cparams[i].dev_id);
 709         }
 710
 711         l2fwd_crypto_options_print(options);
 712
 713         /*
 714          * Initialize previous tsc timestamp before the loop,
 715          * to avoid showing the port statistics immediately,
 716          * so user can see the crypto information.
 717          */
 718         prev_tsc = rte_rdtsc();
 719         while (1) {
 720
 721                 cur_tsc = rte_rdtsc();
 722
 723                 /*
 724                  * TX burst queue drain
 725                  */
 726                 diff_tsc = cur_tsc - prev_tsc;
 727                 if (unlikely(diff_tsc > drain_tsc)) {
 728                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 729                                 if (qconf->pkt_buf[portid].len == 0)
 730                                         continue;
 731                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 732                                                  qconf->pkt_buf[portid].len,
 733                                                  (uint8_t) portid);
 734                                 qconf->pkt_buf[portid].len = 0;
 735                         }
 736
 737                         /* if timer is enabled */
 738                         if (timer_period > 0) {
 739
 740                                 /* advance the timer */
 741                                 timer_tsc += diff_tsc;
 742
 743                                 /* if timer has reached its timeout */
 744                                 if (unlikely(timer_tsc >=
 745                                                 (uint64_t)timer_period)) {
 746
 747                                         /* do this only on master core */
 748                                         if (lcore_id == rte_get_master_lcore()
 749                                                 && options->refresh_period) {
 750                                                 print_stats();
 751                                                 timer_tsc = 0;
 752                                         }
 753                                 }
 754                         }
 755
 756                         prev_tsc = cur_tsc;
 757                 }
 758
 759                 /*
 760                  * Read packet from RX queues
 761                  */
 762                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 763                         portid = qconf->rx_port_list[i];
 764
 765                         cparams = &port_cparams[i];
 766
 767                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 768                                                  pkts_burst, MAX_PKT_BURST);
 769
 770                         port_statistics[portid].rx += nb_rx;
 771
 772                         if (nb_rx) {
 773                                 /*
 774                                  * If we can't allocate a crypto_ops, then drop
 775                                  * the rest of the burst and dequeue and
 776                                  * process the packets to free offload structs
 777                                  */
 778                                 if (rte_crypto_op_bulk_alloc(
 779                                                 l2fwd_crypto_op_pool,
 780                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 781                                                 ops_burst, nb_rx) !=
 782                                                                 nb_rx) {
 783                                         for (j = 0; j < nb_rx; j++)
 784                                                 rte_pktmbuf_free(pkts_burst[i]);
 785
 786                                         nb_rx = 0;
 787                                 }
 788
 789                                 /* Enqueue packets from Crypto device*/
 790                                 for (j = 0; j < nb_rx; j++) {
 791                                         m = pkts_burst[j];
 792
 793                                         l2fwd_simple_crypto_enqueue(m,
 794                                                         ops_burst[j], cparams);
 795                                 }
 796                         }
 797
 798                         /* Dequeue packets from Crypto device */
 799                         do {
 800                                 nb_rx = rte_cryptodev_dequeue_burst(
 801                                                 cparams->dev_id, cparams->qp_id,
 802                                                 ops_burst, MAX_PKT_BURST);
 803
 804                                 crypto_statistics[cparams->dev_id].dequeued +=
 805                                                 nb_rx;
 806
 807                                 /* Forward crypto'd packets */
 808                                 for (j = 0; j < nb_rx; j++) {
 809                                         m = ops_burst[j]->sym->m_src;
 810
 811                                         rte_crypto_op_free(ops_burst[j]);
 812                                         l2fwd_simple_forward(m, portid);
 813                                 }
 814                         } while (nb_rx == MAX_PKT_BURST);
 815                 }
 816         }
 817 }
 818
 819 static int
 820 l2fwd_launch_one_lcore(void *arg)
 821 {
 822         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 823         return 0;
 824 }
 825
 826 /* Display command line arguments usage */
 827 static void
 828 l2fwd_crypto_usage(const char *prgname)
 829 {
 830         printf("%s [EAL options] --\n"
 831                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 832                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 833                 "  -s manage all ports from single lcore\n"
 834                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 835                 " (0 to disable, 10 default, 86400 maximum)\n"
 836
 837                 "  --cdev_type HW / SW / ANY\n"
 838                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 839
 840                 "  --cipher_algo ALGO\n"
 841                 "  --cipher_op ENCRYPT / DECRYPT\n"
 842                 "  --cipher_key KEY (bytes separated with \":\")\n"
 843                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 844                 "  --iv IV (bytes separated with \":\")\n"
 845                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 846
 847                 "  --auth_algo ALGO\n"
 848                 "  --auth_op GENERATE / VERIFY\n"
 849                 "  --auth_key KEY (bytes separated with \":\")\n"
 850                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 851                 "  --aad AAD (bytes separated with \":\")\n"
 852                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 853                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 854
 855                 "  --sessionless\n",
 856                prgname);
 857 }
 858
 859 /** Parse crypto device type command line argument */
 860 static int
 861 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 862 {
 863         if (strcmp("HW", optarg) == 0) {
 864                 *type = CDEV_TYPE_HW;
 865                 return 0;
 866         } else if (strcmp("SW", optarg) == 0) {
 867                 *type = CDEV_TYPE_SW;
 868                 return 0;
 869         } else if (strcmp("ANY", optarg) == 0) {
 870                 *type = CDEV_TYPE_ANY;
 871                 return 0;
 872         }
 873
 874         return -1;
 875 }
 876
 877 /** Parse crypto chain xform command line argument */
 878 static int
 879 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 880 {
 881         if (strcmp("CIPHER_HASH", optarg) == 0) {
 882                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 883                 return 0;
 884         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 885                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 886                 return 0;
 887         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 888                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 889                 return 0;
 890         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 891                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 892                 return 0;
 893         }
 894
 895         return -1;
 896 }
 897
 898 /** Parse crypto cipher algo option command line argument */
 899 static int
 900 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 901 {
 902         unsigned i;
 903
 904         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 905                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 906                         *algo = (enum rte_crypto_cipher_algorithm)i;
 907                         return 0;
 908                 }
 909         }
 910
 911         printf("Cipher algorithm  not supported!\n");
 912         return -1;
 913 }
 914
 915 /** Parse crypto cipher operation command line argument */
 916 static int
 917 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 918 {
 919         if (strcmp("ENCRYPT", optarg) == 0) {
 920                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 921                 return 0;
 922         } else if (strcmp("DECRYPT", optarg) == 0) {
 923                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 924                 return 0;
 925         }
 926
 927         printf("Cipher operation not supported!\n");
 928         return -1;
 929 }
 930
 931 /** Parse crypto key command line argument */
 932 static int
 933 parse_key(uint8_t *data, char *input_arg)
 934 {
 935         unsigned byte_count;
 936         char *token;
 937
 938         for (byte_count = 0, token = strtok(input_arg, ":");
 939                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 940                         token = strtok(NULL, ":")) {
 941
 942                 int number = (int)strtol(token, NULL, 16);
 943
 944                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 945                         return -1;
 946
 947                 data[byte_count++] = (uint8_t)number;
 948         }
 949
 950         return byte_count;
 951 }
 952
 953 /** Parse size param*/
 954 static int
 955 parse_size(int *size, const char *q_arg)
 956 {
 957         char *end = NULL;
 958         unsigned long n;
 959
 960         /* parse hexadecimal string */
 961         n = strtoul(q_arg, &end, 10);
 962         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 963                 n = 0;
 964
 965         if (n == 0) {
 966                 printf("invalid size\n");
 967                 return -1;
 968         }
 969
 970         *size = n;
 971         return 0;
 972 }
 973
 974 /** Parse crypto cipher operation command line argument */
 975 static int
 976 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 977 {
 978         unsigned i;
 979
 980         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
 981                 if (!strcmp(supported_auth_algo[i], optarg)) {
 982                         *algo = (enum rte_crypto_auth_algorithm)i;
 983                         return 0;
 984                 }
 985         }
 986
 987         printf("Authentication algorithm specified not supported!\n");
 988         return -1;
 989 }
 990
 991 static int
 992 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 993 {
 994         if (strcmp("VERIFY", optarg) == 0) {
 995                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 996                 return 0;
 997         } else if (strcmp("GENERATE", optarg) == 0) {
 998                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 999                 return 0;
1000         }
1001
1002         printf("Authentication operation specified not supported!\n");
1003         return -1;
1004 }
1005
1006 /** Parse long options */
1007 static int
1008 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1009                 struct option *lgopts, int option_index)
1010 {
1011         int retval;
1012
1013         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1014                 retval = parse_cryptodev_type(&options->type, optarg);
1015                 if (retval == 0)
1016                         snprintf(options->string_type, MAX_STR_LEN,
1017                                 "%s", optarg);
1018                 return retval;
1019         }
1020
1021         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1022                 return parse_crypto_opt_chain(options, optarg);
1023
1024         /* Cipher options */
1025         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1026                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1027                                 optarg);
1028
1029         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1030                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1031                                 optarg);
1032
1033         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1034                 options->ckey_param = 1;
1035                 options->cipher_xform.cipher.key.length =
1036                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1037                 if (options->cipher_xform.cipher.key.length > 0)
1038                         return 0;
1039                 else
1040                         return -1;
1041         }
1042
1043         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1044                 return parse_size(&options->ckey_random_size, optarg);
1045
1046         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1047                 options->iv_param = 1;
1048                 options->iv.length =
1049                         parse_key(options->iv.data, optarg);
1050                 if (options->iv.length > 0)
1051                         return 0;
1052                 else
1053                         return -1;
1054         }
1055
1056         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1057                 return parse_size(&options->iv_random_size, optarg);
1058
1059         /* Authentication options */
1060         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1061                 return parse_auth_algo(&options->auth_xform.auth.algo,
1062                                 optarg);
1063         }
1064
1065         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1066                 return parse_auth_op(&options->auth_xform.auth.op,
1067                                 optarg);
1068
1069         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1070                 options->akey_param = 1;
1071                 options->auth_xform.auth.key.length =
1072                         parse_key(options->auth_xform.auth.key.data, optarg);
1073                 if (options->auth_xform.auth.key.length > 0)
1074                         return 0;
1075                 else
1076                         return -1;
1077         }
1078
1079         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1080                 return parse_size(&options->akey_random_size, optarg);
1081         }
1082
1083         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1084                 options->aad_param = 1;
1085                 options->aad.length =
1086                         parse_key(options->aad.data, optarg);
1087                 if (options->aad.length > 0)
1088                         return 0;
1089                 else
1090                         return -1;
1091         }
1092
1093         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1094                 return parse_size(&options->aad_random_size, optarg);
1095         }
1096
1097         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1098                 return parse_size(&options->digest_size, optarg);
1099         }
1100
1101         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1102                 options->sessionless = 1;
1103                 return 0;
1104         }
1105
1106         return -1;
1107 }
1108
1109 /** Parse port mask */
1110 static int
1111 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1112                 const char *q_arg)
1113 {
1114         char *end = NULL;
1115         unsigned long pm;
1116
1117         /* parse hexadecimal string */
1118         pm = strtoul(q_arg, &end, 16);
1119         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1120                 pm = 0;
1121
1122         options->portmask = pm;
1123         if (options->portmask == 0) {
1124                 printf("invalid portmask specified\n");
1125                 return -1;
1126         }
1127
1128         return pm;
1129 }
1130
1131 /** Parse number of queues */
1132 static int
1133 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1134                 const char *q_arg)
1135 {
1136         char *end = NULL;
1137         unsigned long n;
1138
1139         /* parse hexadecimal string */
1140         n = strtoul(q_arg, &end, 10);
1141         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1142                 n = 0;
1143         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1144                 n = 0;
1145
1146         options->nb_ports_per_lcore = n;
1147         if (options->nb_ports_per_lcore == 0) {
1148                 printf("invalid number of ports selected\n");
1149                 return -1;
1150         }
1151
1152         return 0;
1153 }
1154
1155 /** Parse timer period */
1156 static int
1157 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1158                 const char *q_arg)
1159 {
1160         char *end = NULL;
1161         unsigned long n;
1162
1163         /* parse number string */
1164         n = (unsigned)strtol(q_arg, &end, 10);
1165         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1166                 n = 0;
1167
1168         if (n >= MAX_TIMER_PERIOD) {
1169                 printf("Warning refresh period specified %lu is greater than "
1170                                 "max value %lu! using max value",
1171                                 n, MAX_TIMER_PERIOD);
1172                 n = MAX_TIMER_PERIOD;
1173         }
1174
1175         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1176
1177         return 0;
1178 }
1179
1180 /** Generate default options for application */
1181 static void
1182 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1183 {
1184         srand(time(NULL));
1185
1186         options->portmask = 0xffffffff;
1187         options->nb_ports_per_lcore = 1;
1188         options->refresh_period = 10000;
1189         options->single_lcore = 0;
1190         options->sessionless = 0;
1191
1192         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1193
1194         /* Cipher Data */
1195         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1196         options->cipher_xform.next = NULL;
1197         options->ckey_param = 0;
1198         options->ckey_random_size = -1;
1199         options->cipher_xform.cipher.key.length = 0;
1200         options->iv_param = 0;
1201         options->iv_random_size = -1;
1202         options->iv.length = 0;
1203
1204         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1205         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1206
1207         /* Authentication Data */
1208         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1209         options->auth_xform.next = NULL;
1210         options->akey_param = 0;
1211         options->akey_random_size = -1;
1212         options->auth_xform.auth.key.length = 0;
1213         options->aad_param = 0;
1214         options->aad_random_size = -1;
1215         options->aad.length = 0;
1216         options->digest_size = -1;
1217
1218         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1219         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1220
1221         options->type = CDEV_TYPE_ANY;
1222 }
1223
1224 static void
1225 display_cipher_info(struct l2fwd_crypto_options *options)
1226 {
1227         printf("\n---- Cipher information ---\n");
1228         printf("Algorithm: %s\n",
1229                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1230         rte_hexdump(stdout, "Cipher key:",
1231                         options->cipher_xform.cipher.key.data,
1232                         options->cipher_xform.cipher.key.length);
1233         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1234 }
1235
1236 static void
1237 display_auth_info(struct l2fwd_crypto_options *options)
1238 {
1239         printf("\n---- Authentication information ---\n");
1240         printf("Algorithm: %s\n",
1241                 supported_auth_algo[options->auth_xform.auth.algo]);
1242         rte_hexdump(stdout, "Auth key:",
1243                         options->auth_xform.auth.key.data,
1244                         options->auth_xform.auth.key.length);
1245         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1246 }
1247
1248 static void
1249 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1250 {
1251         char string_cipher_op[MAX_STR_LEN];
1252         char string_auth_op[MAX_STR_LEN];
1253
1254         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1255                 strcpy(string_cipher_op, "Encrypt");
1256         else
1257                 strcpy(string_cipher_op, "Decrypt");
1258
1259         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1260                 strcpy(string_auth_op, "Auth generate");
1261         else
1262                 strcpy(string_auth_op, "Auth verify");
1263
1264         printf("Options:-\nn");
1265         printf("portmask: %x\n", options->portmask);
1266         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1267         printf("refresh period : %u\n", options->refresh_period);
1268         printf("single lcore mode: %s\n",
1269                         options->single_lcore ? "enabled" : "disabled");
1270         printf("stats_printing: %s\n",
1271                         options->refresh_period == 0 ? "disabled" : "enabled");
1272
1273         printf("sessionless crypto: %s\n",
1274                         options->sessionless ? "enabled" : "disabled");
1275
1276         if (options->ckey_param && (options->ckey_random_size != -1))
1277                 printf("Cipher key already parsed, ignoring size of random key\n");
1278
1279         if (options->akey_param && (options->akey_random_size != -1))
1280                 printf("Auth key already parsed, ignoring size of random key\n");
1281
1282         if (options->iv_param && (options->iv_random_size != -1))
1283                 printf("IV already parsed, ignoring size of random IV\n");
1284
1285         if (options->aad_param && (options->aad_random_size != -1))
1286                 printf("AAD already parsed, ignoring size of random AAD\n");
1287
1288         printf("\nCrypto chain: ");
1289         switch (options->xform_chain) {
1290         case L2FWD_CRYPTO_CIPHER_HASH:
1291                 printf("Input --> %s --> %s --> Output\n",
1292                         string_cipher_op, string_auth_op);
1293                 display_cipher_info(options);
1294                 display_auth_info(options);
1295                 break;
1296         case L2FWD_CRYPTO_HASH_CIPHER:
1297                 printf("Input --> %s --> %s --> Output\n",
1298                         string_auth_op, string_cipher_op);
1299                 display_cipher_info(options);
1300                 display_auth_info(options);
1301                 break;
1302         case L2FWD_CRYPTO_HASH_ONLY:
1303                 printf("Input --> %s --> Output\n", string_auth_op);
1304                 display_auth_info(options);
1305                 break;
1306         case L2FWD_CRYPTO_CIPHER_ONLY:
1307                 printf("Input --> %s --> Output\n", string_cipher_op);
1308                 display_cipher_info(options);
1309                 break;
1310         }
1311 }
1312
1313 /* Parse the argument given in the command line of the application */
1314 static int
1315 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1316                 int argc, char **argv)
1317 {
1318         int opt, retval, option_index;
1319         char **argvopt = argv, *prgname = argv[0];
1320
1321         static struct option lgopts[] = {
1322                         { "sessionless", no_argument, 0, 0 },
1323
1324                         { "cdev_type", required_argument, 0, 0 },
1325                         { "chain", required_argument, 0, 0 },
1326
1327                         { "cipher_algo", required_argument, 0, 0 },
1328                         { "cipher_op", required_argument, 0, 0 },
1329                         { "cipher_key", required_argument, 0, 0 },
1330                         { "cipher_key_random_size", required_argument, 0, 0 },
1331
1332                         { "auth_algo", required_argument, 0, 0 },
1333                         { "auth_op", required_argument, 0, 0 },
1334                         { "auth_key", required_argument, 0, 0 },
1335                         { "auth_key_random_size", required_argument, 0, 0 },
1336
1337                         { "iv", required_argument, 0, 0 },
1338                         { "iv_random_size", required_argument, 0, 0 },
1339                         { "aad", required_argument, 0, 0 },
1340                         { "aad_random_size", required_argument, 0, 0 },
1341                         { "digest_size", required_argument, 0, 0 },
1342
1343                         { "sessionless", no_argument, 0, 0 },
1344
1345                         { NULL, 0, 0, 0 }
1346         };
1347
1348         l2fwd_crypto_default_options(options);
1349
1350         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1351                         &option_index)) != EOF) {
1352                 switch (opt) {
1353                 /* long options */
1354                 case 0:
1355                         retval = l2fwd_crypto_parse_args_long_options(options,
1356                                         lgopts, option_index);
1357                         if (retval < 0) {
1358                                 l2fwd_crypto_usage(prgname);
1359                                 return -1;
1360                         }
1361                         break;
1362
1363                 /* portmask */
1364                 case 'p':
1365                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1366                         if (retval < 0) {
1367                                 l2fwd_crypto_usage(prgname);
1368                                 return -1;
1369                         }
1370                         break;
1371
1372                 /* nqueue */
1373                 case 'q':
1374                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1375                         if (retval < 0) {
1376                                 l2fwd_crypto_usage(prgname);
1377                                 return -1;
1378                         }
1379                         break;
1380
1381                 /* single  */
1382                 case 's':
1383                         options->single_lcore = 1;
1384
1385                         break;
1386
1387                 /* timer period */
1388                 case 'T':
1389                         retval = l2fwd_crypto_parse_timer_period(options,
1390                                         optarg);
1391                         if (retval < 0) {
1392                                 l2fwd_crypto_usage(prgname);
1393                                 return -1;
1394                         }
1395                         break;
1396
1397                 default:
1398                         l2fwd_crypto_usage(prgname);
1399                         return -1;
1400                 }
1401         }
1402
1403
1404         if (optind >= 0)
1405                 argv[optind-1] = prgname;
1406
1407         retval = optind-1;
1408         optind = 0; /* reset getopt lib */
1409
1410         return retval;
1411 }
1412
1413 /* Check the link status of all ports in up to 9s, and print them finally */
1414 static void
1415 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1416 {
1417 #define CHECK_INTERVAL 100 /* 100ms */
1418 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1419         uint8_t portid, count, all_ports_up, print_flag = 0;
1420         struct rte_eth_link link;
1421
1422         printf("\nChecking link status");
1423         fflush(stdout);
1424         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1425                 all_ports_up = 1;
1426                 for (portid = 0; portid < port_num; portid++) {
1427                         if ((port_mask & (1 << portid)) == 0)
1428                                 continue;
1429                         memset(&link, 0, sizeof(link));
1430                         rte_eth_link_get_nowait(portid, &link);
1431                         /* print link status if flag set */
1432                         if (print_flag == 1) {
1433                                 if (link.link_status)
1434                                         printf("Port %d Link Up - speed %u "
1435                                                 "Mbps - %s\n", (uint8_t)portid,
1436                                                 (unsigned)link.link_speed,
1437                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1438                                         ("full-duplex") : ("half-duplex\n"));
1439                                 else
1440                                         printf("Port %d Link Down\n",
1441                                                 (uint8_t)portid);
1442                                 continue;
1443                         }
1444                         /* clear all_ports_up flag if any link down */
1445                         if (link.link_status == ETH_LINK_DOWN) {
1446                                 all_ports_up = 0;
1447                                 break;
1448                         }
1449                 }
1450                 /* after finally printing all link status, get out */
1451                 if (print_flag == 1)
1452                         break;
1453
1454                 if (all_ports_up == 0) {
1455                         printf(".");
1456                         fflush(stdout);
1457                         rte_delay_ms(CHECK_INTERVAL);
1458                 }
1459
1460                 /* set the print_flag if all ports up or timeout */
1461                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1462                         print_flag = 1;
1463                         printf("done\n");
1464                 }
1465         }
1466 }
1467
1468 /* Check if device has to be HW/SW or any */
1469 static int
1470 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1471 {
1472         if (options->type == CDEV_TYPE_HW &&
1473                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1474                 return 0;
1475         if (options->type == CDEV_TYPE_SW &&
1476                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1477                 return 0;
1478         if (options->type == CDEV_TYPE_ANY)
1479                 return 0;
1480
1481         return -1;
1482 }
1483
1484 static inline int
1485 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1486                 uint16_t increment)
1487 {
1488         uint16_t supp_size;
1489
1490         for (supp_size = min; supp_size <= max; supp_size += increment) {
1491                 if (length == supp_size)
1492                         return 0;
1493         }
1494
1495         return -1;
1496 }
1497 static int
1498 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1499                 uint8_t *enabled_cdevs)
1500 {
1501         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1502         const struct rte_cryptodev_capabilities *cap;
1503         enum rte_crypto_auth_algorithm cap_auth_algo;
1504         enum rte_crypto_auth_algorithm opt_auth_algo;
1505         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1506         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1507         int retval;
1508
1509         cdev_count = rte_cryptodev_count();
1510         if (cdev_count == 0) {
1511                 printf("No crypto devices available\n");
1512                 return -1;
1513         }
1514
1515         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1516                         cdev_id++) {
1517                 struct rte_cryptodev_qp_conf qp_conf;
1518                 struct rte_cryptodev_info dev_info;
1519
1520                 struct rte_cryptodev_config conf = {
1521                         .nb_queue_pairs = 1,
1522                         .socket_id = SOCKET_ID_ANY,
1523                         .session_mp = {
1524                                 .nb_objs = 2048,
1525                                 .cache_size = 64
1526                         }
1527                 };
1528
1529                 rte_cryptodev_info_get(cdev_id, &dev_info);
1530
1531                 /* Set cipher parameters */
1532                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1533                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1534                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1535                         /* Check if device supports cipher algo */
1536                         i = 0;
1537                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1538                         cap = &dev_info.capabilities[i];
1539                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1540                                 cap_cipher_algo = cap->sym.cipher.algo;
1541                                 if (cap->sym.xform_type ==
1542                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1543                                         if (cap_cipher_algo == opt_cipher_algo) {
1544                                                 if (check_type(options, &dev_info) == 0)
1545                                                         break;
1546                                         }
1547                                 }
1548                                 cap = &dev_info.capabilities[++i];
1549                         }
1550
1551                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1552                                 printf("Algorithm %s not supported by cryptodev %u"
1553                                         " or device not of preferred type (%s)\n",
1554                                         supported_cipher_algo[opt_cipher_algo],
1555                                         cdev_id,
1556                                         options->string_type);
1557                                 continue;
1558                         }
1559
1560                         options->block_size = cap->sym.cipher.block_size;
1561                         /*
1562                          * Check if length of provided IV is supported
1563                          * by the algorithm chosen.
1564                          */
1565                         if (options->iv_param) {
1566                                 if (check_supported_size(options->iv.length,
1567                                                 cap->sym.cipher.iv_size.min,
1568                                                 cap->sym.cipher.iv_size.max,
1569                                                 cap->sym.cipher.iv_size.increment)
1570                                                         != 0) {
1571                                         printf("Unsupported IV length\n");
1572                                         return -1;
1573                                 }
1574                         /*
1575                          * Check if length of IV to be randomly generated
1576                          * is supported by the algorithm chosen.
1577                          */
1578                         } else if (options->iv_random_size != -1) {
1579                                 if (check_supported_size(options->iv_random_size,
1580                                                 cap->sym.cipher.iv_size.min,
1581                                                 cap->sym.cipher.iv_size.max,
1582                                                 cap->sym.cipher.iv_size.increment)
1583                                                         != 0) {
1584                                         printf("Unsupported IV length\n");
1585                                         return -1;
1586                                 }
1587                                 options->iv.length = options->iv_random_size;
1588                         /* No size provided, use minimum size. */
1589                         } else
1590                                 options->iv.length = cap->sym.cipher.iv_size.min;
1591
1592                         /*
1593                          * Check if length of provided cipher key is supported
1594                          * by the algorithm chosen.
1595                          */
1596                         if (options->ckey_param) {
1597                                 if (check_supported_size(
1598                                                 options->cipher_xform.cipher.key.length,
1599                                                 cap->sym.cipher.key_size.min,
1600                                                 cap->sym.cipher.key_size.max,
1601                                                 cap->sym.cipher.key_size.increment)
1602                                                         != 0) {
1603                                         printf("Unsupported cipher key length\n");
1604                                         return -1;
1605                                 }
1606                         /*
1607                          * Check if length of the cipher key to be randomly generated
1608                          * is supported by the algorithm chosen.
1609                          */
1610                         } else if (options->ckey_random_size != -1) {
1611                                 if (check_supported_size(options->ckey_random_size,
1612                                                 cap->sym.cipher.key_size.min,
1613                                                 cap->sym.cipher.key_size.max,
1614                                                 cap->sym.cipher.key_size.increment)
1615                                                         != 0) {
1616                                         printf("Unsupported cipher key length\n");
1617                                         return -1;
1618                                 }
1619                                 options->cipher_xform.cipher.key.length =
1620                                                         options->ckey_random_size;
1621                         /* No size provided, use minimum size. */
1622                         } else
1623                                 options->cipher_xform.cipher.key.length =
1624                                                 cap->sym.cipher.key_size.min;
1625
1626                         if (!options->ckey_param)
1627                                 generate_random_key(
1628                                         options->cipher_xform.cipher.key.data,
1629                                         options->cipher_xform.cipher.key.length);
1630
1631                 }
1632
1633                 /* Set auth parameters */
1634                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1635                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1636                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1637                         /* Check if device supports auth algo */
1638                         i = 0;
1639                         opt_auth_algo = options->auth_xform.auth.algo;
1640                         cap = &dev_info.capabilities[i];
1641                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1642                                 cap_auth_algo = cap->sym.auth.algo;
1643                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1644                                                 (cap_auth_algo == opt_auth_algo) &&
1645                                                 (check_type(options, &dev_info) == 0)) {
1646                                         break;
1647                                 }
1648                                 cap = &dev_info.capabilities[++i];
1649                         }
1650
1651                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1652                                 printf("Algorithm %s not supported by cryptodev %u"
1653                                         " or device not of preferred type (%s)\n",
1654                                         supported_auth_algo[opt_auth_algo],
1655                                         cdev_id,
1656                                         options->string_type);
1657                                 continue;
1658                         }
1659
1660                         options->block_size = cap->sym.auth.block_size;
1661                         /*
1662                          * Check if length of provided AAD is supported
1663                          * by the algorithm chosen.
1664                          */
1665                         if (options->aad_param) {
1666                                 if (check_supported_size(options->aad.length,
1667                                                 cap->sym.auth.aad_size.min,
1668                                                 cap->sym.auth.aad_size.max,
1669                                                 cap->sym.auth.aad_size.increment)
1670                                                         != 0) {
1671                                         printf("Unsupported AAD length\n");
1672                                         return -1;
1673                                 }
1674                         /*
1675                          * Check if length of AAD to be randomly generated
1676                          * is supported by the algorithm chosen.
1677                          */
1678                         } else if (options->aad_random_size != -1) {
1679                                 if (check_supported_size(options->aad_random_size,
1680                                                 cap->sym.auth.aad_size.min,
1681                                                 cap->sym.auth.aad_size.max,
1682                                                 cap->sym.auth.aad_size.increment)
1683                                                         != 0) {
1684                                         printf("Unsupported AAD length\n");
1685                                         return -1;
1686                                 }
1687                                 options->aad.length = options->aad_random_size;
1688                         /* No size provided, use minimum size. */
1689                         } else
1690                                 options->aad.length = cap->sym.auth.aad_size.min;
1691
1692                         options->auth_xform.auth.add_auth_data_length =
1693                                                 options->aad.length;
1694
1695                         /*
1696                          * Check if length of provided auth key is supported
1697                          * by the algorithm chosen.
1698                          */
1699                         if (options->akey_param) {
1700                                 if (check_supported_size(
1701                                                 options->auth_xform.auth.key.length,
1702                                                 cap->sym.auth.key_size.min,
1703                                                 cap->sym.auth.key_size.max,
1704                                                 cap->sym.auth.key_size.increment)
1705                                                         != 0) {
1706                                         printf("Unsupported auth key length\n");
1707                                         return -1;
1708                                 }
1709                         /*
1710                          * Check if length of the auth key to be randomly generated
1711                          * is supported by the algorithm chosen.
1712                          */
1713                         } else if (options->akey_random_size != -1) {
1714                                 if (check_supported_size(options->akey_random_size,
1715                                                 cap->sym.auth.key_size.min,
1716                                                 cap->sym.auth.key_size.max,
1717                                                 cap->sym.auth.key_size.increment)
1718                                                         != 0) {
1719                                         printf("Unsupported auth key length\n");
1720                                         return -1;
1721                                 }
1722                                 options->auth_xform.auth.key.length =
1723                                                         options->akey_random_size;
1724                         /* No size provided, use minimum size. */
1725                         } else
1726                                 options->auth_xform.auth.key.length =
1727                                                 cap->sym.auth.key_size.min;
1728
1729                         if (!options->akey_param)
1730                                 generate_random_key(
1731                                         options->auth_xform.auth.key.data,
1732                                         options->auth_xform.auth.key.length);
1733
1734                         /* Check if digest size is supported by the algorithm. */
1735                         if (options->digest_size != -1) {
1736                                 if (check_supported_size(options->digest_size,
1737                                                 cap->sym.auth.digest_size.min,
1738                                                 cap->sym.auth.digest_size.max,
1739                                                 cap->sym.auth.digest_size.increment)
1740                                                         != 0) {
1741                                         printf("Unsupported digest length\n");
1742                                         return -1;
1743                                 }
1744                                 options->auth_xform.auth.digest_length =
1745                                                         options->digest_size;
1746                         /* No size provided, use minimum size. */
1747                         } else
1748                                 options->auth_xform.auth.digest_length =
1749                                                 cap->sym.auth.digest_size.min;
1750                 }
1751
1752                 retval = rte_cryptodev_configure(cdev_id, &conf);
1753                 if (retval < 0) {
1754                         printf("Failed to configure cryptodev %u", cdev_id);
1755                         return -1;
1756                 }
1757
1758                 qp_conf.nb_descriptors = 2048;
1759
1760                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1761                                 SOCKET_ID_ANY);
1762                 if (retval < 0) {
1763                         printf("Failed to setup queue pair %u on cryptodev %u",
1764                                         0, cdev_id);
1765                         return -1;
1766                 }
1767
1768                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1769
1770                 enabled_cdevs[cdev_id] = 1;
1771                 enabled_cdev_count++;
1772         }
1773
1774         return enabled_cdev_count;
1775 }
1776
1777 static int
1778 initialize_ports(struct l2fwd_crypto_options *options)
1779 {
1780         uint8_t last_portid, portid;
1781         unsigned enabled_portcount = 0;
1782         unsigned nb_ports = rte_eth_dev_count();
1783
1784         if (nb_ports == 0) {
1785                 printf("No Ethernet ports - bye\n");
1786                 return -1;
1787         }
1788
1789         /* Reset l2fwd_dst_ports */
1790         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1791                 l2fwd_dst_ports[portid] = 0;
1792
1793         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1794                 int retval;
1795
1796                 /* Skip ports that are not enabled */
1797                 if ((options->portmask & (1 << portid)) == 0)
1798                         continue;
1799
1800                 /* init port */
1801                 printf("Initializing port %u... ", (unsigned) portid);
1802                 fflush(stdout);
1803                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1804                 if (retval < 0) {
1805                         printf("Cannot configure device: err=%d, port=%u\n",
1806                                   retval, (unsigned) portid);
1807                         return -1;
1808                 }
1809
1810                 /* init one RX queue */
1811                 fflush(stdout);
1812                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1813                                              rte_eth_dev_socket_id(portid),
1814                                              NULL, l2fwd_pktmbuf_pool);
1815                 if (retval < 0) {
1816                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1817                                         retval, (unsigned) portid);
1818                         return -1;
1819                 }
1820
1821                 /* init one TX queue on each port */
1822                 fflush(stdout);
1823                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1824                                 rte_eth_dev_socket_id(portid),
1825                                 NULL);
1826                 if (retval < 0) {
1827                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1828                                 retval, (unsigned) portid);
1829
1830                         return -1;
1831                 }
1832
1833                 /* Start device */
1834                 retval = rte_eth_dev_start(portid);
1835                 if (retval < 0) {
1836                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1837                                         retval, (unsigned) portid);
1838                         return -1;
1839                 }
1840
1841                 rte_eth_promiscuous_enable(portid);
1842
1843                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1844
1845                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1846                                 (unsigned) portid,
1847                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1848                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1849                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1850                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1851                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1852                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1853
1854                 /* initialize port stats */
1855                 memset(&port_statistics, 0, sizeof(port_statistics));
1856
1857                 /* Setup port forwarding table */
1858                 if (enabled_portcount % 2) {
1859                         l2fwd_dst_ports[portid] = last_portid;
1860                         l2fwd_dst_ports[last_portid] = portid;
1861                 } else {
1862                         last_portid = portid;
1863                 }
1864
1865                 l2fwd_enabled_port_mask |= (1 << portid);
1866                 enabled_portcount++;
1867         }
1868
1869         if (enabled_portcount == 1) {
1870                 l2fwd_dst_ports[last_portid] = last_portid;
1871         } else if (enabled_portcount % 2) {
1872                 printf("odd number of ports in portmask- bye\n");
1873                 return -1;
1874         }
1875
1876         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1877
1878         return enabled_portcount;
1879 }
1880
1881 static void
1882 reserve_key_memory(struct l2fwd_crypto_options *options)
1883 {
1884         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1885                                                 MAX_KEY_SIZE, 0);
1886         if (options->cipher_xform.cipher.key.data == NULL)
1887                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1888
1889
1890         options->auth_xform.auth.key.data = rte_malloc("auth key",
1891                                                 MAX_KEY_SIZE, 0);
1892         if (options->auth_xform.auth.key.data == NULL)
1893                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1894
1895         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1896         if (options->iv.data == NULL)
1897                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1898         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1899
1900         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1901         if (options->aad.data == NULL)
1902                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1903         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1904 }
1905
1906 int
1907 main(int argc, char **argv)
1908 {
1909         struct lcore_queue_conf *qconf;
1910         struct l2fwd_crypto_options options;
1911
1912         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1913         unsigned lcore_id, rx_lcore_id;
1914         int ret, enabled_cdevcount, enabled_portcount;
1915         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1916
1917         /* init EAL */
1918         ret = rte_eal_init(argc, argv);
1919         if (ret < 0)
1920                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1921         argc -= ret;
1922         argv += ret;
1923
1924         /* reserve memory for Cipher/Auth key and IV */
1925         reserve_key_memory(&options);
1926
1927         /* fill out the supported algorithm tables */
1928         fill_supported_algorithm_tables();
1929
1930         /* parse application arguments (after the EAL ones) */
1931         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1932         if (ret < 0)
1933                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1934
1935         /* create the mbuf pool */
1936         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1937                         sizeof(struct rte_crypto_op),
1938                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1939         if (l2fwd_pktmbuf_pool == NULL)
1940                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1941
1942         /* create crypto op pool */
1943         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1944                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1945                         rte_socket_id());
1946         if (l2fwd_crypto_op_pool == NULL)
1947                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1948
1949         /* Enable Ethernet ports */
1950         enabled_portcount = initialize_ports(&options);
1951         if (enabled_portcount < 1)
1952                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1953
1954         nb_ports = rte_eth_dev_count();
1955         /* Initialize the port/queue configuration of each logical core */
1956         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1957                         portid < nb_ports; portid++) {
1958
1959                 /* skip ports that are not enabled */
1960                 if ((options.portmask & (1 << portid)) == 0)
1961                         continue;
1962
1963                 if (options.single_lcore && qconf == NULL) {
1964                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1965                                 rx_lcore_id++;
1966                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1967                                         rte_exit(EXIT_FAILURE,
1968                                                         "Not enough cores\n");
1969                         }
1970                 } else if (!options.single_lcore) {
1971                         /* get the lcore_id for this port */
1972                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1973                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1974                                options.nb_ports_per_lcore) {
1975                                 rx_lcore_id++;
1976                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1977                                         rte_exit(EXIT_FAILURE,
1978                                                         "Not enough cores\n");
1979                         }
1980                 }
1981
1982                 /* Assigned a new logical core in the loop above. */
1983                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1984                         qconf = &lcore_queue_conf[rx_lcore_id];
1985
1986                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1987                 qconf->nb_rx_ports++;
1988
1989                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1990         }
1991
1992         /* Enable Crypto devices */
1993         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
1994                         enabled_cdevs);
1995         if (enabled_cdevcount < 0)
1996                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
1997
1998         if (enabled_cdevcount < enabled_portcount)
1999                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2000                                 "has to be more or equal to number of ports (%d)\n",
2001                                 enabled_cdevcount, enabled_portcount);
2002
2003         nb_cryptodevs = rte_cryptodev_count();
2004
2005         /* Initialize the port/cryptodev configuration of each logical core */
2006         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2007                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2008                         cdev_id++) {
2009                 /* Crypto op not supported by crypto device */
2010                 if (!enabled_cdevs[cdev_id])
2011                         continue;
2012
2013                 if (options.single_lcore && qconf == NULL) {
2014                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2015                                 rx_lcore_id++;
2016                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2017                                         rte_exit(EXIT_FAILURE,
2018                                                         "Not enough cores\n");
2019                         }
2020                 } else if (!options.single_lcore) {
2021                         /* get the lcore_id for this port */
2022                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2023                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2024                                options.nb_ports_per_lcore) {
2025                                 rx_lcore_id++;
2026                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2027                                         rte_exit(EXIT_FAILURE,
2028                                                         "Not enough cores\n");
2029                         }
2030                 }
2031
2032                 /* Assigned a new logical core in the loop above. */
2033                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2034                         qconf = &lcore_queue_conf[rx_lcore_id];
2035
2036                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2037                 qconf->nb_crypto_devs++;
2038
2039                 enabled_cdevcount--;
2040
2041                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2042                                 (unsigned)cdev_id);
2043         }
2044
2045         /* launch per-lcore init on every lcore */
2046         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2047                         CALL_MASTER);
2048         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2049                 if (rte_eal_wait_lcore(lcore_id) < 0)
2050                         return -1;
2051         }
2052
2053         return 0;
2054 }