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
  92 /*
  93  * Configurable number of RX/TX ring descriptors
  94  */
  95 #define RTE_TEST_RX_DESC_DEFAULT 128
  96 #define RTE_TEST_TX_DESC_DEFAULT 512
  97
  98 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  99 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 100
 101 /* ethernet addresses of ports */
 102 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 103
 104 /* mask of enabled ports */
 105 static uint64_t l2fwd_enabled_port_mask;
 106 static uint64_t l2fwd_enabled_crypto_mask;
 107
 108 /* list of enabled ports */
 109 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 110
 111
 112 struct pkt_buffer {
 113         unsigned len;
 114         struct rte_mbuf *buffer[MAX_PKT_BURST];
 115 };
 116
 117 struct op_buffer {
 118         unsigned len;
 119         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 120 };
 121
 122 #define MAX_RX_QUEUE_PER_LCORE 16
 123 #define MAX_TX_QUEUE_PER_PORT 16
 124
 125 enum l2fwd_crypto_xform_chain {
 126         L2FWD_CRYPTO_CIPHER_HASH,
 127         L2FWD_CRYPTO_HASH_CIPHER,
 128         L2FWD_CRYPTO_CIPHER_ONLY,
 129         L2FWD_CRYPTO_HASH_ONLY
 130 };
 131
 132 struct l2fwd_key {
 133         uint8_t *data;
 134         uint32_t length;
 135         phys_addr_t phys_addr;
 136 };
 137
 138 /** l2fwd crypto application command line options */
 139 struct l2fwd_crypto_options {
 140         unsigned portmask;
 141         unsigned nb_ports_per_lcore;
 142         unsigned refresh_period;
 143         unsigned single_lcore:1;
 144
 145         enum cdev_type type;
 146         unsigned sessionless:1;
 147
 148         enum l2fwd_crypto_xform_chain xform_chain;
 149
 150         struct rte_crypto_sym_xform cipher_xform;
 151         unsigned ckey_param;
 152         int ckey_random_size;
 153
 154         struct l2fwd_key iv;
 155         unsigned iv_param;
 156         int iv_random_size;
 157
 158         struct rte_crypto_sym_xform auth_xform;
 159         uint8_t akey_param;
 160         int akey_random_size;
 161
 162         struct l2fwd_key aad;
 163         unsigned aad_param;
 164         int aad_random_size;
 165
 166         int digest_size;
 167
 168         uint16_t block_size;
 169         char string_type[MAX_STR_LEN];
 170
 171         uint64_t cryptodev_mask;
 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_CRYPTO_MAX_DEVS];
 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   = 1, /**< 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_CRYPTO_MAX_DEVS];
 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 & (((uint64_t)1) << 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 int
 334 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 335                 struct l2fwd_crypto_params *cparams)
 336 {
 337         struct rte_crypto_op **op_buffer;
 338         unsigned ret;
 339
 340         op_buffer = (struct rte_crypto_op **)
 341                         qconf->op_buf[cparams->dev_id].buffer;
 342
 343         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 344                         cparams->qp_id, op_buffer, (uint16_t) n);
 345
 346         crypto_statistics[cparams->dev_id].enqueued += ret;
 347         if (unlikely(ret < n)) {
 348                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 349                 do {
 350                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 351                         rte_crypto_op_free(op_buffer[ret]);
 352                 } while (++ret < n);
 353         }
 354
 355         return 0;
 356 }
 357
 358 static int
 359 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 360                 struct l2fwd_crypto_params *cparams)
 361 {
 362         unsigned lcore_id, len;
 363         struct lcore_queue_conf *qconf;
 364
 365         lcore_id = rte_lcore_id();
 366
 367         qconf = &lcore_queue_conf[lcore_id];
 368         len = qconf->op_buf[cparams->dev_id].len;
 369         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 370         len++;
 371
 372         /* enough ops to be sent */
 373         if (len == MAX_PKT_BURST) {
 374                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 375                 len = 0;
 376         }
 377
 378         qconf->op_buf[cparams->dev_id].len = len;
 379         return 0;
 380 }
 381
 382 static int
 383 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 384                 struct rte_crypto_op *op,
 385                 struct l2fwd_crypto_params *cparams)
 386 {
 387         struct ether_hdr *eth_hdr;
 388         struct ipv4_hdr *ip_hdr;
 389
 390         uint32_t ipdata_offset, data_len;
 391         uint32_t pad_len = 0;
 392         char *padding;
 393
 394         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 395
 396         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 397                 return -1;
 398
 399         ipdata_offset = sizeof(struct ether_hdr);
 400
 401         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 402                         ipdata_offset);
 403
 404         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 405                         * IPV4_IHL_MULTIPLIER;
 406
 407
 408         /* Zero pad data to be crypto'd so it is block aligned */
 409         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 410
 411         if (cparams->do_hash && cparams->hash_verify)
 412                 data_len -= cparams->digest_length;
 413
 414         if (cparams->do_cipher) {
 415                 /*
 416                  * Following algorithms are block cipher algorithms,
 417                  * and might need padding
 418                  */
 419                 switch (cparams->cipher_algo) {
 420                 case RTE_CRYPTO_CIPHER_AES_CBC:
 421                 case RTE_CRYPTO_CIPHER_AES_ECB:
 422                 case RTE_CRYPTO_CIPHER_DES_CBC:
 423                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 424                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 425                         if (data_len % cparams->block_size)
 426                                 pad_len = cparams->block_size -
 427                                         (data_len % cparams->block_size);
 428                         break;
 429                 default:
 430                         pad_len = 0;
 431                 }
 432
 433                 if (pad_len) {
 434                         padding = rte_pktmbuf_append(m, pad_len);
 435                         if (unlikely(!padding))
 436                                 return -1;
 437
 438                         data_len += pad_len;
 439                         memset(padding, 0, pad_len);
 440                 }
 441         }
 442
 443         /* Set crypto operation data parameters */
 444         rte_crypto_op_attach_sym_session(op, cparams->session);
 445
 446         if (cparams->do_hash) {
 447                 if (!cparams->hash_verify) {
 448                         /* Append space for digest to end of packet */
 449                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 450                                 cparams->digest_length);
 451                 } else {
 452                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 453                                 uint8_t *) + ipdata_offset + data_len;
 454                 }
 455
 456                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 457                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 458                 op->sym->auth.digest.length = cparams->digest_length;
 459
 460                 /* For wireless algorithms, offset/length must be in bits */
 461                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 462                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 463                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 464                         op->sym->auth.data.offset = ipdata_offset << 3;
 465                         op->sym->auth.data.length = data_len << 3;
 466                 } else {
 467                         op->sym->auth.data.offset = ipdata_offset;
 468                         op->sym->auth.data.length = data_len;
 469                 }
 470
 471                 if (cparams->aad.length) {
 472                         op->sym->auth.aad.data = cparams->aad.data;
 473                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 474                         op->sym->auth.aad.length = cparams->aad.length;
 475                 } else {
 476                         op->sym->auth.aad.data = NULL;
 477                         op->sym->auth.aad.phys_addr = 0;
 478                         op->sym->auth.aad.length = 0;
 479                 }
 480         }
 481
 482         if (cparams->do_cipher) {
 483                 op->sym->cipher.iv.data = cparams->iv.data;
 484                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 485                 op->sym->cipher.iv.length = cparams->iv.length;
 486
 487                 /* For wireless algorithms, offset/length must be in bits */
 488                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 489                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 490                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 491                         op->sym->cipher.data.offset = ipdata_offset << 3;
 492                         op->sym->cipher.data.length = data_len << 3;
 493                 } else {
 494                         op->sym->cipher.data.offset = ipdata_offset;
 495                         op->sym->cipher.data.length = data_len;
 496                 }
 497         }
 498
 499         op->sym->m_src = m;
 500
 501         return l2fwd_crypto_enqueue(op, cparams);
 502 }
 503
 504
 505 /* Send the burst of packets on an output interface */
 506 static int
 507 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 508                 uint8_t port)
 509 {
 510         struct rte_mbuf **pkt_buffer;
 511         unsigned ret;
 512
 513         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 514
 515         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 516         port_statistics[port].tx += ret;
 517         if (unlikely(ret < n)) {
 518                 port_statistics[port].dropped += (n - ret);
 519                 do {
 520                         rte_pktmbuf_free(pkt_buffer[ret]);
 521                 } while (++ret < n);
 522         }
 523
 524         return 0;
 525 }
 526
 527 /* Enqueue packets for TX and prepare them to be sent */
 528 static int
 529 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 530 {
 531         unsigned lcore_id, len;
 532         struct lcore_queue_conf *qconf;
 533
 534         lcore_id = rte_lcore_id();
 535
 536         qconf = &lcore_queue_conf[lcore_id];
 537         len = qconf->pkt_buf[port].len;
 538         qconf->pkt_buf[port].buffer[len] = m;
 539         len++;
 540
 541         /* enough pkts to be sent */
 542         if (unlikely(len == MAX_PKT_BURST)) {
 543                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 544                 len = 0;
 545         }
 546
 547         qconf->pkt_buf[port].len = len;
 548         return 0;
 549 }
 550
 551 static void
 552 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 553 {
 554         struct ether_hdr *eth;
 555         void *tmp;
 556         unsigned dst_port;
 557
 558         dst_port = l2fwd_dst_ports[portid];
 559         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 560
 561         /* 02:00:00:00:00:xx */
 562         tmp = &eth->d_addr.addr_bytes[0];
 563         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 564
 565         /* src addr */
 566         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 567
 568         l2fwd_send_packet(m, (uint8_t) dst_port);
 569 }
 570
 571 /** Generate random key */
 572 static void
 573 generate_random_key(uint8_t *key, unsigned length)
 574 {
 575         int fd;
 576         int ret;
 577
 578         fd = open("/dev/urandom", O_RDONLY);
 579         if (fd < 0)
 580                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 581
 582         ret = read(fd, key, length);
 583         close(fd);
 584
 585         if (ret != (signed)length)
 586                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 587 }
 588
 589 static struct rte_cryptodev_sym_session *
 590 initialize_crypto_session(struct l2fwd_crypto_options *options,
 591                 uint8_t cdev_id)
 592 {
 593         struct rte_crypto_sym_xform *first_xform;
 594
 595         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 596                 first_xform = &options->cipher_xform;
 597                 first_xform->next = &options->auth_xform;
 598         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 599                 first_xform = &options->auth_xform;
 600                 first_xform->next = &options->cipher_xform;
 601         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 602                 first_xform = &options->cipher_xform;
 603         } else {
 604                 first_xform = &options->auth_xform;
 605         }
 606
 607         /* Setup Cipher Parameters */
 608         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 609 }
 610
 611 static void
 612 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 613
 614 /* main processing loop */
 615 static void
 616 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 617 {
 618         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 619         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 620
 621         unsigned lcore_id = rte_lcore_id();
 622         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 623         unsigned i, j, portid, nb_rx, len;
 624         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 625         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 626                         US_PER_S * BURST_TX_DRAIN_US;
 627         struct l2fwd_crypto_params *cparams;
 628         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 629
 630         if (qconf->nb_rx_ports == 0) {
 631                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 632                 return;
 633         }
 634
 635         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 636
 637         for (i = 0; i < qconf->nb_rx_ports; i++) {
 638
 639                 portid = qconf->rx_port_list[i];
 640                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 641                         portid);
 642         }
 643
 644         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 645                 port_cparams[i].do_cipher = 0;
 646                 port_cparams[i].do_hash = 0;
 647
 648                 switch (options->xform_chain) {
 649                 case L2FWD_CRYPTO_CIPHER_HASH:
 650                 case L2FWD_CRYPTO_HASH_CIPHER:
 651                         port_cparams[i].do_cipher = 1;
 652                         port_cparams[i].do_hash = 1;
 653                         break;
 654                 case L2FWD_CRYPTO_HASH_ONLY:
 655                         port_cparams[i].do_hash = 1;
 656                         break;
 657                 case L2FWD_CRYPTO_CIPHER_ONLY:
 658                         port_cparams[i].do_cipher = 1;
 659                         break;
 660                 }
 661
 662                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 663                 port_cparams[i].qp_id = 0;
 664
 665                 port_cparams[i].block_size = options->block_size;
 666
 667                 if (port_cparams[i].do_hash) {
 668                         port_cparams[i].digest_length =
 669                                         options->auth_xform.auth.digest_length;
 670                         if (options->auth_xform.auth.add_auth_data_length) {
 671                                 port_cparams[i].aad.data = options->aad.data;
 672                                 port_cparams[i].aad.length =
 673                                         options->auth_xform.auth.add_auth_data_length;
 674                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 675                                 if (!options->aad_param)
 676                                         generate_random_key(port_cparams[i].aad.data,
 677                                                 port_cparams[i].aad.length);
 678
 679                         } else
 680                                 port_cparams[i].aad.length = 0;
 681
 682                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 683                                 port_cparams[i].hash_verify = 1;
 684                         else
 685                                 port_cparams[i].hash_verify = 0;
 686
 687                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 688                 }
 689
 690                 if (port_cparams[i].do_cipher) {
 691                         port_cparams[i].iv.data = options->iv.data;
 692                         port_cparams[i].iv.length = options->iv.length;
 693                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 694                         if (!options->iv_param)
 695                                 generate_random_key(port_cparams[i].iv.data,
 696                                                 port_cparams[i].iv.length);
 697
 698                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 699                 }
 700
 701                 port_cparams[i].session = initialize_crypto_session(options,
 702                                 port_cparams[i].dev_id);
 703
 704                 if (port_cparams[i].session == NULL)
 705                         return;
 706                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 707                                 port_cparams[i].dev_id);
 708         }
 709
 710         l2fwd_crypto_options_print(options);
 711
 712         /*
 713          * Initialize previous tsc timestamp before the loop,
 714          * to avoid showing the port statistics immediately,
 715          * so user can see the crypto information.
 716          */
 717         prev_tsc = rte_rdtsc();
 718         while (1) {
 719
 720                 cur_tsc = rte_rdtsc();
 721
 722                 /*
 723                  * Crypto device/TX burst queue drain
 724                  */
 725                 diff_tsc = cur_tsc - prev_tsc;
 726                 if (unlikely(diff_tsc > drain_tsc)) {
 727                         /* Enqueue all crypto ops remaining in buffers */
 728                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 729                                 cparams = &port_cparams[i];
 730                                 len = qconf->op_buf[cparams->dev_id].len;
 731                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 732                                 qconf->op_buf[cparams->dev_id].len = 0;
 733                         }
 734                         /* Transmit all packets remaining in buffers */
 735                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 736                                 if (qconf->pkt_buf[portid].len == 0)
 737                                         continue;
 738                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 739                                                  qconf->pkt_buf[portid].len,
 740                                                  (uint8_t) portid);
 741                                 qconf->pkt_buf[portid].len = 0;
 742                         }
 743
 744                         /* if timer is enabled */
 745                         if (timer_period > 0) {
 746
 747                                 /* advance the timer */
 748                                 timer_tsc += diff_tsc;
 749
 750                                 /* if timer has reached its timeout */
 751                                 if (unlikely(timer_tsc >=
 752                                                 (uint64_t)timer_period)) {
 753
 754                                         /* do this only on master core */
 755                                         if (lcore_id == rte_get_master_lcore()
 756                                                 && options->refresh_period) {
 757                                                 print_stats();
 758                                                 timer_tsc = 0;
 759                                         }
 760                                 }
 761                         }
 762
 763                         prev_tsc = cur_tsc;
 764                 }
 765
 766                 /*
 767                  * Read packet from RX queues
 768                  */
 769                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 770                         portid = qconf->rx_port_list[i];
 771
 772                         cparams = &port_cparams[i];
 773
 774                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 775                                                  pkts_burst, MAX_PKT_BURST);
 776
 777                         port_statistics[portid].rx += nb_rx;
 778
 779                         if (nb_rx) {
 780                                 /*
 781                                  * If we can't allocate a crypto_ops, then drop
 782                                  * the rest of the burst and dequeue and
 783                                  * process the packets to free offload structs
 784                                  */
 785                                 if (rte_crypto_op_bulk_alloc(
 786                                                 l2fwd_crypto_op_pool,
 787                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 788                                                 ops_burst, nb_rx) !=
 789                                                                 nb_rx) {
 790                                         for (j = 0; j < nb_rx; j++)
 791                                                 rte_pktmbuf_free(pkts_burst[j]);
 792
 793                                         nb_rx = 0;
 794                                 }
 795
 796                                 /* Enqueue packets from Crypto device*/
 797                                 for (j = 0; j < nb_rx; j++) {
 798                                         m = pkts_burst[j];
 799
 800                                         l2fwd_simple_crypto_enqueue(m,
 801                                                         ops_burst[j], cparams);
 802                                 }
 803                         }
 804
 805                         /* Dequeue packets from Crypto device */
 806                         do {
 807                                 nb_rx = rte_cryptodev_dequeue_burst(
 808                                                 cparams->dev_id, cparams->qp_id,
 809                                                 ops_burst, MAX_PKT_BURST);
 810
 811                                 crypto_statistics[cparams->dev_id].dequeued +=
 812                                                 nb_rx;
 813
 814                                 /* Forward crypto'd packets */
 815                                 for (j = 0; j < nb_rx; j++) {
 816                                         m = ops_burst[j]->sym->m_src;
 817
 818                                         rte_crypto_op_free(ops_burst[j]);
 819                                         l2fwd_simple_forward(m, portid);
 820                                 }
 821                         } while (nb_rx == MAX_PKT_BURST);
 822                 }
 823         }
 824 }
 825
 826 static int
 827 l2fwd_launch_one_lcore(void *arg)
 828 {
 829         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 830         return 0;
 831 }
 832
 833 /* Display command line arguments usage */
 834 static void
 835 l2fwd_crypto_usage(const char *prgname)
 836 {
 837         printf("%s [EAL options] --\n"
 838                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 839                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 840                 "  -s manage all ports from single lcore\n"
 841                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 842                 " (0 to disable, 10 default, 86400 maximum)\n"
 843
 844                 "  --cdev_type HW / SW / ANY\n"
 845                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 846
 847                 "  --cipher_algo ALGO\n"
 848                 "  --cipher_op ENCRYPT / DECRYPT\n"
 849                 "  --cipher_key KEY (bytes separated with \":\")\n"
 850                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 851                 "  --iv IV (bytes separated with \":\")\n"
 852                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 853
 854                 "  --auth_algo ALGO\n"
 855                 "  --auth_op GENERATE / VERIFY\n"
 856                 "  --auth_key KEY (bytes separated with \":\")\n"
 857                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 858                 "  --aad AAD (bytes separated with \":\")\n"
 859                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 860                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 861
 862                 "  --sessionless\n"
 863                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 864                prgname);
 865 }
 866
 867 /** Parse crypto device type command line argument */
 868 static int
 869 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 870 {
 871         if (strcmp("HW", optarg) == 0) {
 872                 *type = CDEV_TYPE_HW;
 873                 return 0;
 874         } else if (strcmp("SW", optarg) == 0) {
 875                 *type = CDEV_TYPE_SW;
 876                 return 0;
 877         } else if (strcmp("ANY", optarg) == 0) {
 878                 *type = CDEV_TYPE_ANY;
 879                 return 0;
 880         }
 881
 882         return -1;
 883 }
 884
 885 /** Parse crypto chain xform command line argument */
 886 static int
 887 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 888 {
 889         if (strcmp("CIPHER_HASH", optarg) == 0) {
 890                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 891                 return 0;
 892         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 893                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 894                 return 0;
 895         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 896                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 897                 return 0;
 898         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 899                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 900                 return 0;
 901         }
 902
 903         return -1;
 904 }
 905
 906 /** Parse crypto cipher algo option command line argument */
 907 static int
 908 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 909 {
 910
 911         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 912                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 913                                 "not supported!\n");
 914                 return -1;
 915         }
 916
 917         return 0;
 918 }
 919
 920 /** Parse crypto cipher operation command line argument */
 921 static int
 922 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 923 {
 924         if (strcmp("ENCRYPT", optarg) == 0) {
 925                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 926                 return 0;
 927         } else if (strcmp("DECRYPT", optarg) == 0) {
 928                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 929                 return 0;
 930         }
 931
 932         printf("Cipher operation not supported!\n");
 933         return -1;
 934 }
 935
 936 /** Parse crypto key command line argument */
 937 static int
 938 parse_key(uint8_t *data, char *input_arg)
 939 {
 940         unsigned byte_count;
 941         char *token;
 942
 943         for (byte_count = 0, token = strtok(input_arg, ":");
 944                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 945                         token = strtok(NULL, ":")) {
 946
 947                 int number = (int)strtol(token, NULL, 16);
 948
 949                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 950                         return -1;
 951
 952                 data[byte_count++] = (uint8_t)number;
 953         }
 954
 955         return byte_count;
 956 }
 957
 958 /** Parse size param*/
 959 static int
 960 parse_size(int *size, const char *q_arg)
 961 {
 962         char *end = NULL;
 963         unsigned long n;
 964
 965         /* parse hexadecimal string */
 966         n = strtoul(q_arg, &end, 10);
 967         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 968                 n = 0;
 969
 970         if (n == 0) {
 971                 printf("invalid size\n");
 972                 return -1;
 973         }
 974
 975         *size = n;
 976         return 0;
 977 }
 978
 979 /** Parse crypto cipher operation command line argument */
 980 static int
 981 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 982 {
 983         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
 984                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
 985                                 "not supported!\n");
 986                 return -1;
 987         }
 988
 989         return 0;
 990 }
 991
 992 static int
 993 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 994 {
 995         if (strcmp("VERIFY", optarg) == 0) {
 996                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 997                 return 0;
 998         } else if (strcmp("GENERATE", optarg) == 0) {
 999                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1000                 return 0;
1001         }
1002
1003         printf("Authentication operation specified not supported!\n");
1004         return -1;
1005 }
1006
1007 static int
1008 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1009                 const char *q_arg)
1010 {
1011         char *end = NULL;
1012         uint64_t pm;
1013
1014         /* parse hexadecimal string */
1015         pm = strtoul(q_arg, &end, 16);
1016         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1017                 pm = 0;
1018
1019         options->cryptodev_mask = pm;
1020         if (options->cryptodev_mask == 0) {
1021                 printf("invalid cryptodev_mask specified\n");
1022                 return -1;
1023         }
1024
1025         return 0;
1026 }
1027
1028 /** Parse long options */
1029 static int
1030 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1031                 struct option *lgopts, int option_index)
1032 {
1033         int retval;
1034
1035         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1036                 retval = parse_cryptodev_type(&options->type, optarg);
1037                 if (retval == 0)
1038                         snprintf(options->string_type, MAX_STR_LEN,
1039                                 "%s", optarg);
1040                 return retval;
1041         }
1042
1043         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1044                 return parse_crypto_opt_chain(options, optarg);
1045
1046         /* Cipher options */
1047         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1048                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1049                                 optarg);
1050
1051         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1052                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1053                                 optarg);
1054
1055         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1056                 options->ckey_param = 1;
1057                 options->cipher_xform.cipher.key.length =
1058                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1059                 if (options->cipher_xform.cipher.key.length > 0)
1060                         return 0;
1061                 else
1062                         return -1;
1063         }
1064
1065         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1066                 return parse_size(&options->ckey_random_size, optarg);
1067
1068         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1069                 options->iv_param = 1;
1070                 options->iv.length =
1071                         parse_key(options->iv.data, optarg);
1072                 if (options->iv.length > 0)
1073                         return 0;
1074                 else
1075                         return -1;
1076         }
1077
1078         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1079                 return parse_size(&options->iv_random_size, optarg);
1080
1081         /* Authentication options */
1082         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1083                 return parse_auth_algo(&options->auth_xform.auth.algo,
1084                                 optarg);
1085         }
1086
1087         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1088                 return parse_auth_op(&options->auth_xform.auth.op,
1089                                 optarg);
1090
1091         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1092                 options->akey_param = 1;
1093                 options->auth_xform.auth.key.length =
1094                         parse_key(options->auth_xform.auth.key.data, optarg);
1095                 if (options->auth_xform.auth.key.length > 0)
1096                         return 0;
1097                 else
1098                         return -1;
1099         }
1100
1101         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1102                 return parse_size(&options->akey_random_size, optarg);
1103         }
1104
1105         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1106                 options->aad_param = 1;
1107                 options->aad.length =
1108                         parse_key(options->aad.data, optarg);
1109                 if (options->aad.length > 0)
1110                         return 0;
1111                 else
1112                         return -1;
1113         }
1114
1115         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1116                 return parse_size(&options->aad_random_size, optarg);
1117         }
1118
1119         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1120                 return parse_size(&options->digest_size, optarg);
1121         }
1122
1123         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1124                 options->sessionless = 1;
1125                 return 0;
1126         }
1127
1128         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1129                 return parse_cryptodev_mask(options, optarg);
1130
1131         return -1;
1132 }
1133
1134 /** Parse port mask */
1135 static int
1136 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1137                 const char *q_arg)
1138 {
1139         char *end = NULL;
1140         unsigned long pm;
1141
1142         /* parse hexadecimal string */
1143         pm = strtoul(q_arg, &end, 16);
1144         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1145                 pm = 0;
1146
1147         options->portmask = pm;
1148         if (options->portmask == 0) {
1149                 printf("invalid portmask specified\n");
1150                 return -1;
1151         }
1152
1153         return pm;
1154 }
1155
1156 /** Parse number of queues */
1157 static int
1158 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1159                 const char *q_arg)
1160 {
1161         char *end = NULL;
1162         unsigned long n;
1163
1164         /* parse hexadecimal string */
1165         n = strtoul(q_arg, &end, 10);
1166         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1167                 n = 0;
1168         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1169                 n = 0;
1170
1171         options->nb_ports_per_lcore = n;
1172         if (options->nb_ports_per_lcore == 0) {
1173                 printf("invalid number of ports selected\n");
1174                 return -1;
1175         }
1176
1177         return 0;
1178 }
1179
1180 /** Parse timer period */
1181 static int
1182 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1183                 const char *q_arg)
1184 {
1185         char *end = NULL;
1186         unsigned long n;
1187
1188         /* parse number string */
1189         n = (unsigned)strtol(q_arg, &end, 10);
1190         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1191                 n = 0;
1192
1193         if (n >= MAX_TIMER_PERIOD) {
1194                 printf("Warning refresh period specified %lu is greater than "
1195                                 "max value %lu! using max value",
1196                                 n, MAX_TIMER_PERIOD);
1197                 n = MAX_TIMER_PERIOD;
1198         }
1199
1200         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1201
1202         return 0;
1203 }
1204
1205 /** Generate default options for application */
1206 static void
1207 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1208 {
1209         options->portmask = 0xffffffff;
1210         options->nb_ports_per_lcore = 1;
1211         options->refresh_period = 10000;
1212         options->single_lcore = 0;
1213         options->sessionless = 0;
1214
1215         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1216
1217         /* Cipher Data */
1218         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1219         options->cipher_xform.next = NULL;
1220         options->ckey_param = 0;
1221         options->ckey_random_size = -1;
1222         options->cipher_xform.cipher.key.length = 0;
1223         options->iv_param = 0;
1224         options->iv_random_size = -1;
1225         options->iv.length = 0;
1226
1227         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1228         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1229
1230         /* Authentication Data */
1231         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1232         options->auth_xform.next = NULL;
1233         options->akey_param = 0;
1234         options->akey_random_size = -1;
1235         options->auth_xform.auth.key.length = 0;
1236         options->aad_param = 0;
1237         options->aad_random_size = -1;
1238         options->aad.length = 0;
1239         options->digest_size = -1;
1240
1241         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1242         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1243
1244         options->type = CDEV_TYPE_ANY;
1245         options->cryptodev_mask = UINT64_MAX;
1246 }
1247
1248 static void
1249 display_cipher_info(struct l2fwd_crypto_options *options)
1250 {
1251         printf("\n---- Cipher information ---\n");
1252         printf("Algorithm: %s\n",
1253                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1254         rte_hexdump(stdout, "Cipher key:",
1255                         options->cipher_xform.cipher.key.data,
1256                         options->cipher_xform.cipher.key.length);
1257         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1258 }
1259
1260 static void
1261 display_auth_info(struct l2fwd_crypto_options *options)
1262 {
1263         printf("\n---- Authentication information ---\n");
1264         printf("Algorithm: %s\n",
1265                 rte_crypto_auth_algorithm_strings[options->auth_xform.cipher.algo]);
1266         rte_hexdump(stdout, "Auth key:",
1267                         options->auth_xform.auth.key.data,
1268                         options->auth_xform.auth.key.length);
1269         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1270 }
1271
1272 static void
1273 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1274 {
1275         char string_cipher_op[MAX_STR_LEN];
1276         char string_auth_op[MAX_STR_LEN];
1277
1278         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1279                 strcpy(string_cipher_op, "Encrypt");
1280         else
1281                 strcpy(string_cipher_op, "Decrypt");
1282
1283         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1284                 strcpy(string_auth_op, "Auth generate");
1285         else
1286                 strcpy(string_auth_op, "Auth verify");
1287
1288         printf("Options:-\nn");
1289         printf("portmask: %x\n", options->portmask);
1290         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1291         printf("refresh period : %u\n", options->refresh_period);
1292         printf("single lcore mode: %s\n",
1293                         options->single_lcore ? "enabled" : "disabled");
1294         printf("stats_printing: %s\n",
1295                         options->refresh_period == 0 ? "disabled" : "enabled");
1296
1297         printf("sessionless crypto: %s\n",
1298                         options->sessionless ? "enabled" : "disabled");
1299
1300         if (options->ckey_param && (options->ckey_random_size != -1))
1301                 printf("Cipher key already parsed, ignoring size of random key\n");
1302
1303         if (options->akey_param && (options->akey_random_size != -1))
1304                 printf("Auth key already parsed, ignoring size of random key\n");
1305
1306         if (options->iv_param && (options->iv_random_size != -1))
1307                 printf("IV already parsed, ignoring size of random IV\n");
1308
1309         if (options->aad_param && (options->aad_random_size != -1))
1310                 printf("AAD already parsed, ignoring size of random AAD\n");
1311
1312         printf("\nCrypto chain: ");
1313         switch (options->xform_chain) {
1314         case L2FWD_CRYPTO_CIPHER_HASH:
1315                 printf("Input --> %s --> %s --> Output\n",
1316                         string_cipher_op, string_auth_op);
1317                 display_cipher_info(options);
1318                 display_auth_info(options);
1319                 break;
1320         case L2FWD_CRYPTO_HASH_CIPHER:
1321                 printf("Input --> %s --> %s --> Output\n",
1322                         string_auth_op, string_cipher_op);
1323                 display_cipher_info(options);
1324                 display_auth_info(options);
1325                 break;
1326         case L2FWD_CRYPTO_HASH_ONLY:
1327                 printf("Input --> %s --> Output\n", string_auth_op);
1328                 display_auth_info(options);
1329                 break;
1330         case L2FWD_CRYPTO_CIPHER_ONLY:
1331                 printf("Input --> %s --> Output\n", string_cipher_op);
1332                 display_cipher_info(options);
1333                 break;
1334         }
1335 }
1336
1337 /* Parse the argument given in the command line of the application */
1338 static int
1339 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1340                 int argc, char **argv)
1341 {
1342         int opt, retval, option_index;
1343         char **argvopt = argv, *prgname = argv[0];
1344
1345         static struct option lgopts[] = {
1346                         { "sessionless", no_argument, 0, 0 },
1347
1348                         { "cdev_type", required_argument, 0, 0 },
1349                         { "chain", required_argument, 0, 0 },
1350
1351                         { "cipher_algo", required_argument, 0, 0 },
1352                         { "cipher_op", required_argument, 0, 0 },
1353                         { "cipher_key", required_argument, 0, 0 },
1354                         { "cipher_key_random_size", required_argument, 0, 0 },
1355
1356                         { "auth_algo", required_argument, 0, 0 },
1357                         { "auth_op", required_argument, 0, 0 },
1358                         { "auth_key", required_argument, 0, 0 },
1359                         { "auth_key_random_size", required_argument, 0, 0 },
1360
1361                         { "iv", required_argument, 0, 0 },
1362                         { "iv_random_size", required_argument, 0, 0 },
1363                         { "aad", required_argument, 0, 0 },
1364                         { "aad_random_size", required_argument, 0, 0 },
1365                         { "digest_size", required_argument, 0, 0 },
1366
1367                         { "sessionless", no_argument, 0, 0 },
1368                         { "cryptodev_mask", required_argument, 0, 0},
1369
1370                         { NULL, 0, 0, 0 }
1371         };
1372
1373         l2fwd_crypto_default_options(options);
1374
1375         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1376                         &option_index)) != EOF) {
1377                 switch (opt) {
1378                 /* long options */
1379                 case 0:
1380                         retval = l2fwd_crypto_parse_args_long_options(options,
1381                                         lgopts, option_index);
1382                         if (retval < 0) {
1383                                 l2fwd_crypto_usage(prgname);
1384                                 return -1;
1385                         }
1386                         break;
1387
1388                 /* portmask */
1389                 case 'p':
1390                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1391                         if (retval < 0) {
1392                                 l2fwd_crypto_usage(prgname);
1393                                 return -1;
1394                         }
1395                         break;
1396
1397                 /* nqueue */
1398                 case 'q':
1399                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1400                         if (retval < 0) {
1401                                 l2fwd_crypto_usage(prgname);
1402                                 return -1;
1403                         }
1404                         break;
1405
1406                 /* single  */
1407                 case 's':
1408                         options->single_lcore = 1;
1409
1410                         break;
1411
1412                 /* timer period */
1413                 case 'T':
1414                         retval = l2fwd_crypto_parse_timer_period(options,
1415                                         optarg);
1416                         if (retval < 0) {
1417                                 l2fwd_crypto_usage(prgname);
1418                                 return -1;
1419                         }
1420                         break;
1421
1422                 default:
1423                         l2fwd_crypto_usage(prgname);
1424                         return -1;
1425                 }
1426         }
1427
1428
1429         if (optind >= 0)
1430                 argv[optind-1] = prgname;
1431
1432         retval = optind-1;
1433         optind = 1; /* reset getopt lib */
1434
1435         return retval;
1436 }
1437
1438 /* Check the link status of all ports in up to 9s, and print them finally */
1439 static void
1440 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1441 {
1442 #define CHECK_INTERVAL 100 /* 100ms */
1443 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1444         uint8_t portid, count, all_ports_up, print_flag = 0;
1445         struct rte_eth_link link;
1446
1447         printf("\nChecking link status");
1448         fflush(stdout);
1449         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1450                 all_ports_up = 1;
1451                 for (portid = 0; portid < port_num; portid++) {
1452                         if ((port_mask & (1 << portid)) == 0)
1453                                 continue;
1454                         memset(&link, 0, sizeof(link));
1455                         rte_eth_link_get_nowait(portid, &link);
1456                         /* print link status if flag set */
1457                         if (print_flag == 1) {
1458                                 if (link.link_status)
1459                                         printf("Port %d Link Up - speed %u "
1460                                                 "Mbps - %s\n", (uint8_t)portid,
1461                                                 (unsigned)link.link_speed,
1462                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1463                                         ("full-duplex") : ("half-duplex\n"));
1464                                 else
1465                                         printf("Port %d Link Down\n",
1466                                                 (uint8_t)portid);
1467                                 continue;
1468                         }
1469                         /* clear all_ports_up flag if any link down */
1470                         if (link.link_status == ETH_LINK_DOWN) {
1471                                 all_ports_up = 0;
1472                                 break;
1473                         }
1474                 }
1475                 /* after finally printing all link status, get out */
1476                 if (print_flag == 1)
1477                         break;
1478
1479                 if (all_ports_up == 0) {
1480                         printf(".");
1481                         fflush(stdout);
1482                         rte_delay_ms(CHECK_INTERVAL);
1483                 }
1484
1485                 /* set the print_flag if all ports up or timeout */
1486                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1487                         print_flag = 1;
1488                         printf("done\n");
1489                 }
1490         }
1491 }
1492
1493 /* Check if device has to be HW/SW or any */
1494 static int
1495 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1496 {
1497         if (options->type == CDEV_TYPE_HW &&
1498                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1499                 return 0;
1500         if (options->type == CDEV_TYPE_SW &&
1501                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1502                 return 0;
1503         if (options->type == CDEV_TYPE_ANY)
1504                 return 0;
1505
1506         return -1;
1507 }
1508
1509 /* Check if the device is enabled by cryptodev_mask */
1510 static int
1511 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1512                 uint8_t cdev_id)
1513 {
1514         if (options->cryptodev_mask & (1 << cdev_id))
1515                 return 0;
1516
1517         return -1;
1518 }
1519
1520 static inline int
1521 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1522                 uint16_t increment)
1523 {
1524         uint16_t supp_size;
1525
1526         /* Single value */
1527         if (increment == 0) {
1528                 if (length == min)
1529                         return 0;
1530                 else
1531                         return -1;
1532         }
1533
1534         /* Range of values */
1535         for (supp_size = min; supp_size <= max; supp_size += increment) {
1536                 if (length == supp_size)
1537                         return 0;
1538         }
1539
1540         return -1;
1541 }
1542 static int
1543 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1544                 uint8_t *enabled_cdevs)
1545 {
1546         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1547         const struct rte_cryptodev_capabilities *cap;
1548         enum rte_crypto_auth_algorithm cap_auth_algo;
1549         enum rte_crypto_auth_algorithm opt_auth_algo;
1550         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1551         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1552         int retval;
1553
1554         cdev_count = rte_cryptodev_count();
1555         if (cdev_count == 0) {
1556                 printf("No crypto devices available\n");
1557                 return -1;
1558         }
1559
1560         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1561                         cdev_id++) {
1562                 struct rte_cryptodev_qp_conf qp_conf;
1563                 struct rte_cryptodev_info dev_info;
1564
1565                 struct rte_cryptodev_config conf = {
1566                         .nb_queue_pairs = 1,
1567                         .socket_id = SOCKET_ID_ANY,
1568                         .session_mp = {
1569                                 .nb_objs = 2048,
1570                                 .cache_size = 64
1571                         }
1572                 };
1573
1574                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1575                         continue;
1576
1577                 rte_cryptodev_info_get(cdev_id, &dev_info);
1578
1579                 /* Set cipher parameters */
1580                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1581                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1582                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1583                         /* Check if device supports cipher algo */
1584                         i = 0;
1585                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1586                         cap = &dev_info.capabilities[i];
1587                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1588                                 cap_cipher_algo = cap->sym.cipher.algo;
1589                                 if (cap->sym.xform_type ==
1590                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1591                                         if (cap_cipher_algo == opt_cipher_algo) {
1592                                                 if (check_type(options, &dev_info) == 0)
1593                                                         break;
1594                                         }
1595                                 }
1596                                 cap = &dev_info.capabilities[++i];
1597                         }
1598
1599                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1600                                 printf("Algorithm %s not supported by cryptodev %u"
1601                                         " or device not of preferred type (%s)\n",
1602                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1603                                         cdev_id,
1604                                         options->string_type);
1605                                 continue;
1606                         }
1607
1608                         options->block_size = cap->sym.cipher.block_size;
1609                         /*
1610                          * Check if length of provided IV is supported
1611                          * by the algorithm chosen.
1612                          */
1613                         if (options->iv_param) {
1614                                 if (check_supported_size(options->iv.length,
1615                                                 cap->sym.cipher.iv_size.min,
1616                                                 cap->sym.cipher.iv_size.max,
1617                                                 cap->sym.cipher.iv_size.increment)
1618                                                         != 0) {
1619                                         printf("Unsupported IV length\n");
1620                                         return -1;
1621                                 }
1622                         /*
1623                          * Check if length of IV to be randomly generated
1624                          * is supported by the algorithm chosen.
1625                          */
1626                         } else if (options->iv_random_size != -1) {
1627                                 if (check_supported_size(options->iv_random_size,
1628                                                 cap->sym.cipher.iv_size.min,
1629                                                 cap->sym.cipher.iv_size.max,
1630                                                 cap->sym.cipher.iv_size.increment)
1631                                                         != 0) {
1632                                         printf("Unsupported IV length\n");
1633                                         return -1;
1634                                 }
1635                                 options->iv.length = options->iv_random_size;
1636                         /* No size provided, use minimum size. */
1637                         } else
1638                                 options->iv.length = cap->sym.cipher.iv_size.min;
1639
1640                         /*
1641                          * Check if length of provided cipher key is supported
1642                          * by the algorithm chosen.
1643                          */
1644                         if (options->ckey_param) {
1645                                 if (check_supported_size(
1646                                                 options->cipher_xform.cipher.key.length,
1647                                                 cap->sym.cipher.key_size.min,
1648                                                 cap->sym.cipher.key_size.max,
1649                                                 cap->sym.cipher.key_size.increment)
1650                                                         != 0) {
1651                                         printf("Unsupported cipher key length\n");
1652                                         return -1;
1653                                 }
1654                         /*
1655                          * Check if length of the cipher key to be randomly generated
1656                          * is supported by the algorithm chosen.
1657                          */
1658                         } else if (options->ckey_random_size != -1) {
1659                                 if (check_supported_size(options->ckey_random_size,
1660                                                 cap->sym.cipher.key_size.min,
1661                                                 cap->sym.cipher.key_size.max,
1662                                                 cap->sym.cipher.key_size.increment)
1663                                                         != 0) {
1664                                         printf("Unsupported cipher key length\n");
1665                                         return -1;
1666                                 }
1667                                 options->cipher_xform.cipher.key.length =
1668                                                         options->ckey_random_size;
1669                         /* No size provided, use minimum size. */
1670                         } else
1671                                 options->cipher_xform.cipher.key.length =
1672                                                 cap->sym.cipher.key_size.min;
1673
1674                         if (!options->ckey_param)
1675                                 generate_random_key(
1676                                         options->cipher_xform.cipher.key.data,
1677                                         options->cipher_xform.cipher.key.length);
1678
1679                 }
1680
1681                 /* Set auth parameters */
1682                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1683                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1684                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1685                         /* Check if device supports auth algo */
1686                         i = 0;
1687                         opt_auth_algo = options->auth_xform.auth.algo;
1688                         cap = &dev_info.capabilities[i];
1689                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1690                                 cap_auth_algo = cap->sym.auth.algo;
1691                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1692                                                 (cap_auth_algo == opt_auth_algo) &&
1693                                                 (check_type(options, &dev_info) == 0)) {
1694                                         break;
1695                                 }
1696                                 cap = &dev_info.capabilities[++i];
1697                         }
1698
1699                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1700                                 printf("Algorithm %s not supported by cryptodev %u"
1701                                         " or device not of preferred type (%s)\n",
1702                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1703                                         cdev_id,
1704                                         options->string_type);
1705                                 continue;
1706                         }
1707
1708                         /*
1709                          * Check if length of provided AAD is supported
1710                          * by the algorithm chosen.
1711                          */
1712                         if (options->aad_param) {
1713                                 if (check_supported_size(options->aad.length,
1714                                                 cap->sym.auth.aad_size.min,
1715                                                 cap->sym.auth.aad_size.max,
1716                                                 cap->sym.auth.aad_size.increment)
1717                                                         != 0) {
1718                                         printf("Unsupported AAD length\n");
1719                                         return -1;
1720                                 }
1721                         /*
1722                          * Check if length of AAD to be randomly generated
1723                          * is supported by the algorithm chosen.
1724                          */
1725                         } else if (options->aad_random_size != -1) {
1726                                 if (check_supported_size(options->aad_random_size,
1727                                                 cap->sym.auth.aad_size.min,
1728                                                 cap->sym.auth.aad_size.max,
1729                                                 cap->sym.auth.aad_size.increment)
1730                                                         != 0) {
1731                                         printf("Unsupported AAD length\n");
1732                                         return -1;
1733                                 }
1734                                 options->aad.length = options->aad_random_size;
1735                         /* No size provided, use minimum size. */
1736                         } else
1737                                 options->aad.length = cap->sym.auth.aad_size.min;
1738
1739                         options->auth_xform.auth.add_auth_data_length =
1740                                                 options->aad.length;
1741
1742                         /*
1743                          * Check if length of provided auth key is supported
1744                          * by the algorithm chosen.
1745                          */
1746                         if (options->akey_param) {
1747                                 if (check_supported_size(
1748                                                 options->auth_xform.auth.key.length,
1749                                                 cap->sym.auth.key_size.min,
1750                                                 cap->sym.auth.key_size.max,
1751                                                 cap->sym.auth.key_size.increment)
1752                                                         != 0) {
1753                                         printf("Unsupported auth key length\n");
1754                                         return -1;
1755                                 }
1756                         /*
1757                          * Check if length of the auth key to be randomly generated
1758                          * is supported by the algorithm chosen.
1759                          */
1760                         } else if (options->akey_random_size != -1) {
1761                                 if (check_supported_size(options->akey_random_size,
1762                                                 cap->sym.auth.key_size.min,
1763                                                 cap->sym.auth.key_size.max,
1764                                                 cap->sym.auth.key_size.increment)
1765                                                         != 0) {
1766                                         printf("Unsupported auth key length\n");
1767                                         return -1;
1768                                 }
1769                                 options->auth_xform.auth.key.length =
1770                                                         options->akey_random_size;
1771                         /* No size provided, use minimum size. */
1772                         } else
1773                                 options->auth_xform.auth.key.length =
1774                                                 cap->sym.auth.key_size.min;
1775
1776                         if (!options->akey_param)
1777                                 generate_random_key(
1778                                         options->auth_xform.auth.key.data,
1779                                         options->auth_xform.auth.key.length);
1780
1781                         /* Check if digest size is supported by the algorithm. */
1782                         if (options->digest_size != -1) {
1783                                 if (check_supported_size(options->digest_size,
1784                                                 cap->sym.auth.digest_size.min,
1785                                                 cap->sym.auth.digest_size.max,
1786                                                 cap->sym.auth.digest_size.increment)
1787                                                         != 0) {
1788                                         printf("Unsupported digest length\n");
1789                                         return -1;
1790                                 }
1791                                 options->auth_xform.auth.digest_length =
1792                                                         options->digest_size;
1793                         /* No size provided, use minimum size. */
1794                         } else
1795                                 options->auth_xform.auth.digest_length =
1796                                                 cap->sym.auth.digest_size.min;
1797                 }
1798
1799                 retval = rte_cryptodev_configure(cdev_id, &conf);
1800                 if (retval < 0) {
1801                         printf("Failed to configure cryptodev %u", cdev_id);
1802                         return -1;
1803                 }
1804
1805                 qp_conf.nb_descriptors = 2048;
1806
1807                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1808                                 SOCKET_ID_ANY);
1809                 if (retval < 0) {
1810                         printf("Failed to setup queue pair %u on cryptodev %u",
1811                                         0, cdev_id);
1812                         return -1;
1813                 }
1814
1815                 retval = rte_cryptodev_start(cdev_id);
1816                 if (retval < 0) {
1817                         printf("Failed to start device %u: error %d\n",
1818                                         cdev_id, retval);
1819                         return -1;
1820                 }
1821
1822                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1823
1824                 enabled_cdevs[cdev_id] = 1;
1825                 enabled_cdev_count++;
1826         }
1827
1828         return enabled_cdev_count;
1829 }
1830
1831 static int
1832 initialize_ports(struct l2fwd_crypto_options *options)
1833 {
1834         uint8_t last_portid, portid;
1835         unsigned enabled_portcount = 0;
1836         unsigned nb_ports = rte_eth_dev_count();
1837
1838         if (nb_ports == 0) {
1839                 printf("No Ethernet ports - bye\n");
1840                 return -1;
1841         }
1842
1843         /* Reset l2fwd_dst_ports */
1844         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1845                 l2fwd_dst_ports[portid] = 0;
1846
1847         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1848                 int retval;
1849
1850                 /* Skip ports that are not enabled */
1851                 if ((options->portmask & (1 << portid)) == 0)
1852                         continue;
1853
1854                 /* init port */
1855                 printf("Initializing port %u... ", (unsigned) portid);
1856                 fflush(stdout);
1857                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1858                 if (retval < 0) {
1859                         printf("Cannot configure device: err=%d, port=%u\n",
1860                                   retval, (unsigned) portid);
1861                         return -1;
1862                 }
1863
1864                 /* init one RX queue */
1865                 fflush(stdout);
1866                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1867                                              rte_eth_dev_socket_id(portid),
1868                                              NULL, l2fwd_pktmbuf_pool);
1869                 if (retval < 0) {
1870                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1871                                         retval, (unsigned) portid);
1872                         return -1;
1873                 }
1874
1875                 /* init one TX queue on each port */
1876                 fflush(stdout);
1877                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1878                                 rte_eth_dev_socket_id(portid),
1879                                 NULL);
1880                 if (retval < 0) {
1881                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1882                                 retval, (unsigned) portid);
1883
1884                         return -1;
1885                 }
1886
1887                 /* Start device */
1888                 retval = rte_eth_dev_start(portid);
1889                 if (retval < 0) {
1890                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1891                                         retval, (unsigned) portid);
1892                         return -1;
1893                 }
1894
1895                 rte_eth_promiscuous_enable(portid);
1896
1897                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1898
1899                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1900                                 (unsigned) portid,
1901                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1902                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1903                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1904                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1905                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1906                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1907
1908                 /* initialize port stats */
1909                 memset(&port_statistics, 0, sizeof(port_statistics));
1910
1911                 /* Setup port forwarding table */
1912                 if (enabled_portcount % 2) {
1913                         l2fwd_dst_ports[portid] = last_portid;
1914                         l2fwd_dst_ports[last_portid] = portid;
1915                 } else {
1916                         last_portid = portid;
1917                 }
1918
1919                 l2fwd_enabled_port_mask |= (1 << portid);
1920                 enabled_portcount++;
1921         }
1922
1923         if (enabled_portcount == 1) {
1924                 l2fwd_dst_ports[last_portid] = last_portid;
1925         } else if (enabled_portcount % 2) {
1926                 printf("odd number of ports in portmask- bye\n");
1927                 return -1;
1928         }
1929
1930         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1931
1932         return enabled_portcount;
1933 }
1934
1935 static void
1936 reserve_key_memory(struct l2fwd_crypto_options *options)
1937 {
1938         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1939                                                 MAX_KEY_SIZE, 0);
1940         if (options->cipher_xform.cipher.key.data == NULL)
1941                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1942
1943
1944         options->auth_xform.auth.key.data = rte_malloc("auth key",
1945                                                 MAX_KEY_SIZE, 0);
1946         if (options->auth_xform.auth.key.data == NULL)
1947                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1948
1949         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1950         if (options->iv.data == NULL)
1951                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1952         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1953
1954         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1955         if (options->aad.data == NULL)
1956                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1957         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1958 }
1959
1960 int
1961 main(int argc, char **argv)
1962 {
1963         struct lcore_queue_conf *qconf;
1964         struct l2fwd_crypto_options options;
1965
1966         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1967         unsigned lcore_id, rx_lcore_id;
1968         int ret, enabled_cdevcount, enabled_portcount;
1969         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1970
1971         /* init EAL */
1972         ret = rte_eal_init(argc, argv);
1973         if (ret < 0)
1974                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1975         argc -= ret;
1976         argv += ret;
1977
1978         /* reserve memory for Cipher/Auth key and IV */
1979         reserve_key_memory(&options);
1980
1981         /* parse application arguments (after the EAL ones) */
1982         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1983         if (ret < 0)
1984                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1985
1986         /* create the mbuf pool */
1987         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1988                         sizeof(struct rte_crypto_op),
1989                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1990         if (l2fwd_pktmbuf_pool == NULL)
1991                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1992
1993         /* create crypto op pool */
1994         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1995                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1996                         rte_socket_id());
1997         if (l2fwd_crypto_op_pool == NULL)
1998                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1999
2000         /* Enable Ethernet ports */
2001         enabled_portcount = initialize_ports(&options);
2002         if (enabled_portcount < 1)
2003                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2004
2005         nb_ports = rte_eth_dev_count();
2006         /* Initialize the port/queue configuration of each logical core */
2007         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2008                         portid < nb_ports; portid++) {
2009
2010                 /* skip ports that are not enabled */
2011                 if ((options.portmask & (1 << portid)) == 0)
2012                         continue;
2013
2014                 if (options.single_lcore && qconf == NULL) {
2015                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2016                                 rx_lcore_id++;
2017                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2018                                         rte_exit(EXIT_FAILURE,
2019                                                         "Not enough cores\n");
2020                         }
2021                 } else if (!options.single_lcore) {
2022                         /* get the lcore_id for this port */
2023                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2024                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2025                                options.nb_ports_per_lcore) {
2026                                 rx_lcore_id++;
2027                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2028                                         rte_exit(EXIT_FAILURE,
2029                                                         "Not enough cores\n");
2030                         }
2031                 }
2032
2033                 /* Assigned a new logical core in the loop above. */
2034                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2035                         qconf = &lcore_queue_conf[rx_lcore_id];
2036
2037                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2038                 qconf->nb_rx_ports++;
2039
2040                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2041         }
2042
2043         /* Enable Crypto devices */
2044         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2045                         enabled_cdevs);
2046         if (enabled_cdevcount < 0)
2047                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2048
2049         if (enabled_cdevcount < enabled_portcount)
2050                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2051                                 "has to be more or equal to number of ports (%d)\n",
2052                                 enabled_cdevcount, enabled_portcount);
2053
2054         nb_cryptodevs = rte_cryptodev_count();
2055
2056         /* Initialize the port/cryptodev configuration of each logical core */
2057         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2058                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2059                         cdev_id++) {
2060                 /* Crypto op not supported by crypto device */
2061                 if (!enabled_cdevs[cdev_id])
2062                         continue;
2063
2064                 if (options.single_lcore && qconf == NULL) {
2065                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2066                                 rx_lcore_id++;
2067                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2068                                         rte_exit(EXIT_FAILURE,
2069                                                         "Not enough cores\n");
2070                         }
2071                 } else if (!options.single_lcore) {
2072                         /* get the lcore_id for this port */
2073                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2074                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2075                                options.nb_ports_per_lcore) {
2076                                 rx_lcore_id++;
2077                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2078                                         rte_exit(EXIT_FAILURE,
2079                                                         "Not enough cores\n");
2080                         }
2081                 }
2082
2083                 /* Assigned a new logical core in the loop above. */
2084                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2085                         qconf = &lcore_queue_conf[rx_lcore_id];
2086
2087                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2088                 qconf->nb_crypto_devs++;
2089
2090                 enabled_cdevcount--;
2091
2092                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2093                                 (unsigned)cdev_id);
2094         }
2095
2096         /* launch per-lcore init on every lcore */
2097         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2098                         CALL_MASTER);
2099         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2100                 if (rte_eal_wait_lcore(lcore_id) < 0)
2101                         return -1;
2102         }
2103
2104         return 0;
2105 }