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_AES_XCBC_MAC],
 345                 "AES_XCBC_MAC");
 346         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 348         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 352
 353         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 354                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 355
 356         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 357         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 358         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 359         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 360         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 361 }
 362
 363
 364 static int
 365 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 366                 struct l2fwd_crypto_params *cparams)
 367 {
 368         struct rte_crypto_op **op_buffer;
 369         unsigned ret;
 370
 371         op_buffer = (struct rte_crypto_op **)
 372                         qconf->op_buf[cparams->dev_id].buffer;
 373
 374         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 375                         cparams->qp_id, op_buffer, (uint16_t) n);
 376
 377         crypto_statistics[cparams->dev_id].enqueued += ret;
 378         if (unlikely(ret < n)) {
 379                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 380                 do {
 381                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 382                         rte_crypto_op_free(op_buffer[ret]);
 383                 } while (++ret < n);
 384         }
 385
 386         return 0;
 387 }
 388
 389 static int
 390 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 391                 struct l2fwd_crypto_params *cparams)
 392 {
 393         unsigned lcore_id, len;
 394         struct lcore_queue_conf *qconf;
 395
 396         lcore_id = rte_lcore_id();
 397
 398         qconf = &lcore_queue_conf[lcore_id];
 399         len = qconf->op_buf[cparams->dev_id].len;
 400         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 401         len++;
 402
 403         /* enough ops to be sent */
 404         if (len == MAX_PKT_BURST) {
 405                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 406                 len = 0;
 407         }
 408
 409         qconf->op_buf[cparams->dev_id].len = len;
 410         return 0;
 411 }
 412
 413 static int
 414 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 415                 struct rte_crypto_op *op,
 416                 struct l2fwd_crypto_params *cparams)
 417 {
 418         struct ether_hdr *eth_hdr;
 419         struct ipv4_hdr *ip_hdr;
 420
 421         unsigned ipdata_offset, pad_len, data_len;
 422         char *padding;
 423
 424         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 425
 426         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 427                 return -1;
 428
 429         ipdata_offset = sizeof(struct ether_hdr);
 430
 431         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 432                         ipdata_offset);
 433
 434         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 435                         * IPV4_IHL_MULTIPLIER;
 436
 437
 438         /* Zero pad data to be crypto'd so it is block aligned */
 439         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 440         pad_len = data_len % cparams->block_size ? cparams->block_size -
 441                         (data_len % cparams->block_size) : 0;
 442
 443         if (pad_len) {
 444                 padding = rte_pktmbuf_append(m, pad_len);
 445                 if (unlikely(!padding))
 446                         return -1;
 447
 448                 data_len += pad_len;
 449                 memset(padding, 0, pad_len);
 450         }
 451
 452         /* Set crypto operation data parameters */
 453         rte_crypto_op_attach_sym_session(op, cparams->session);
 454
 455         if (cparams->do_hash) {
 456                 if (!cparams->hash_verify) {
 457                         /* Append space for digest to end of packet */
 458                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 459                                 cparams->digest_length);
 460                 } else {
 461                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 462                                 cparams->digest_length);
 463                 }
 464
 465                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 466                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 467                 op->sym->auth.digest.length = cparams->digest_length;
 468
 469                 /* For SNOW3G algorithms, offset/length must be in bits */
 470                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2) {
 471                         op->sym->auth.data.offset = ipdata_offset << 3;
 472                         op->sym->auth.data.length = data_len << 3;
 473                 } else {
 474                         op->sym->auth.data.offset = ipdata_offset;
 475                         op->sym->auth.data.length = data_len;
 476                 }
 477
 478                 if (cparams->aad.length) {
 479                         op->sym->auth.aad.data = cparams->aad.data;
 480                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 481                         op->sym->auth.aad.length = cparams->aad.length;
 482                 }
 483         }
 484
 485         if (cparams->do_cipher) {
 486                 op->sym->cipher.iv.data = cparams->iv.data;
 487                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 488                 op->sym->cipher.iv.length = cparams->iv.length;
 489
 490                 /* For SNOW3G algorithms, offset/length must be in bits */
 491                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2) {
 492                         op->sym->cipher.data.offset = ipdata_offset << 3;
 493                         if (cparams->do_hash && cparams->hash_verify)
 494                                 /* Do not cipher the hash tag */
 495                                 op->sym->cipher.data.length = (data_len -
 496                                         cparams->digest_length) << 3;
 497                         else
 498                                 op->sym->cipher.data.length = data_len << 3;
 499
 500                 } else {
 501                         op->sym->cipher.data.offset = ipdata_offset;
 502                         if (cparams->do_hash && cparams->hash_verify)
 503                                 /* Do not cipher the hash tag */
 504                                 op->sym->cipher.data.length = data_len -
 505                                         cparams->digest_length;
 506                         else
 507                                 op->sym->cipher.data.length = data_len;
 508                 }
 509         }
 510
 511         op->sym->m_src = m;
 512
 513         return l2fwd_crypto_enqueue(op, cparams);
 514 }
 515
 516
 517 /* Send the burst of packets on an output interface */
 518 static int
 519 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 520                 uint8_t port)
 521 {
 522         struct rte_mbuf **pkt_buffer;
 523         unsigned ret;
 524
 525         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 526
 527         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 528         port_statistics[port].tx += ret;
 529         if (unlikely(ret < n)) {
 530                 port_statistics[port].dropped += (n - ret);
 531                 do {
 532                         rte_pktmbuf_free(pkt_buffer[ret]);
 533                 } while (++ret < n);
 534         }
 535
 536         return 0;
 537 }
 538
 539 /* Enqueue packets for TX and prepare them to be sent */
 540 static int
 541 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 542 {
 543         unsigned lcore_id, len;
 544         struct lcore_queue_conf *qconf;
 545
 546         lcore_id = rte_lcore_id();
 547
 548         qconf = &lcore_queue_conf[lcore_id];
 549         len = qconf->pkt_buf[port].len;
 550         qconf->pkt_buf[port].buffer[len] = m;
 551         len++;
 552
 553         /* enough pkts to be sent */
 554         if (unlikely(len == MAX_PKT_BURST)) {
 555                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 556                 len = 0;
 557         }
 558
 559         qconf->pkt_buf[port].len = len;
 560         return 0;
 561 }
 562
 563 static void
 564 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 565 {
 566         struct ether_hdr *eth;
 567         void *tmp;
 568         unsigned dst_port;
 569
 570         dst_port = l2fwd_dst_ports[portid];
 571         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 572
 573         /* 02:00:00:00:00:xx */
 574         tmp = &eth->d_addr.addr_bytes[0];
 575         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 576
 577         /* src addr */
 578         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 579
 580         l2fwd_send_packet(m, (uint8_t) dst_port);
 581 }
 582
 583 /** Generate random key */
 584 static void
 585 generate_random_key(uint8_t *key, unsigned length)
 586 {
 587         unsigned i;
 588
 589         for (i = 0; i < length; i++)
 590                 key[i] = rand() % 0xff;
 591 }
 592
 593 static struct rte_cryptodev_sym_session *
 594 initialize_crypto_session(struct l2fwd_crypto_options *options,
 595                 uint8_t cdev_id)
 596 {
 597         struct rte_crypto_sym_xform *first_xform;
 598
 599         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 600                 first_xform = &options->cipher_xform;
 601                 first_xform->next = &options->auth_xform;
 602         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 603                 first_xform = &options->auth_xform;
 604                 first_xform->next = &options->cipher_xform;
 605         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 606                 first_xform = &options->cipher_xform;
 607         } else {
 608                 first_xform = &options->auth_xform;
 609         }
 610
 611         /* Setup Cipher Parameters */
 612         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 613 }
 614
 615 static void
 616 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 617
 618 /* main processing loop */
 619 static void
 620 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 621 {
 622         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 623         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 624
 625         unsigned lcore_id = rte_lcore_id();
 626         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 627         unsigned i, j, portid, nb_rx;
 628         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 629         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 630                         US_PER_S * BURST_TX_DRAIN_US;
 631         struct l2fwd_crypto_params *cparams;
 632         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 633
 634         if (qconf->nb_rx_ports == 0) {
 635                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 636                 return;
 637         }
 638
 639         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 640
 641         for (i = 0; i < qconf->nb_rx_ports; i++) {
 642
 643                 portid = qconf->rx_port_list[i];
 644                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 645                         portid);
 646         }
 647
 648         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 649                 port_cparams[i].do_cipher = 0;
 650                 port_cparams[i].do_hash = 0;
 651
 652                 switch (options->xform_chain) {
 653                 case L2FWD_CRYPTO_CIPHER_HASH:
 654                 case L2FWD_CRYPTO_HASH_CIPHER:
 655                         port_cparams[i].do_cipher = 1;
 656                         port_cparams[i].do_hash = 1;
 657                         break;
 658                 case L2FWD_CRYPTO_HASH_ONLY:
 659                         port_cparams[i].do_hash = 1;
 660                         break;
 661                 case L2FWD_CRYPTO_CIPHER_ONLY:
 662                         port_cparams[i].do_cipher = 1;
 663                         break;
 664                 }
 665
 666                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 667                 port_cparams[i].qp_id = 0;
 668
 669                 port_cparams[i].block_size = options->block_size;
 670
 671                 if (port_cparams[i].do_hash) {
 672                         port_cparams[i].digest_length =
 673                                         options->auth_xform.auth.digest_length;
 674                         if (options->auth_xform.auth.add_auth_data_length) {
 675                                 port_cparams[i].aad.data = options->aad.data;
 676                                 port_cparams[i].aad.length =
 677                                         options->auth_xform.auth.add_auth_data_length;
 678                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 679                                 if (!options->aad_param)
 680                                         generate_random_key(port_cparams[i].aad.data,
 681                                                 port_cparams[i].aad.length);
 682
 683                         }
 684
 685                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 686                                 port_cparams[i].hash_verify = 1;
 687                         else
 688                                 port_cparams[i].hash_verify = 0;
 689
 690                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 691                 }
 692
 693                 if (port_cparams[i].do_cipher) {
 694                         port_cparams[i].iv.data = options->iv.data;
 695                         port_cparams[i].iv.length = options->iv.length;
 696                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 697                         if (!options->iv_param)
 698                                 generate_random_key(port_cparams[i].iv.data,
 699                                                 port_cparams[i].iv.length);
 700
 701                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 702                 }
 703
 704                 port_cparams[i].session = initialize_crypto_session(options,
 705                                 port_cparams[i].dev_id);
 706
 707                 if (port_cparams[i].session == NULL)
 708                         return;
 709                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 710                                 port_cparams[i].dev_id);
 711         }
 712
 713         l2fwd_crypto_options_print(options);
 714
 715         /*
 716          * Initialize previous tsc timestamp before the loop,
 717          * to avoid showing the port statistics immediately,
 718          * so user can see the crypto information.
 719          */
 720         prev_tsc = rte_rdtsc();
 721         while (1) {
 722
 723                 cur_tsc = rte_rdtsc();
 724
 725                 /*
 726                  * TX burst queue drain
 727                  */
 728                 diff_tsc = cur_tsc - prev_tsc;
 729                 if (unlikely(diff_tsc > drain_tsc)) {
 730                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 731                                 if (qconf->pkt_buf[portid].len == 0)
 732                                         continue;
 733                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 734                                                  qconf->pkt_buf[portid].len,
 735                                                  (uint8_t) portid);
 736                                 qconf->pkt_buf[portid].len = 0;
 737                         }
 738
 739                         /* if timer is enabled */
 740                         if (timer_period > 0) {
 741
 742                                 /* advance the timer */
 743                                 timer_tsc += diff_tsc;
 744
 745                                 /* if timer has reached its timeout */
 746                                 if (unlikely(timer_tsc >=
 747                                                 (uint64_t)timer_period)) {
 748
 749                                         /* do this only on master core */
 750                                         if (lcore_id == rte_get_master_lcore()
 751                                                 && options->refresh_period) {
 752                                                 print_stats();
 753                                                 timer_tsc = 0;
 754                                         }
 755                                 }
 756                         }
 757
 758                         prev_tsc = cur_tsc;
 759                 }
 760
 761                 /*
 762                  * Read packet from RX queues
 763                  */
 764                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 765                         portid = qconf->rx_port_list[i];
 766
 767                         cparams = &port_cparams[i];
 768
 769                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 770                                                  pkts_burst, MAX_PKT_BURST);
 771
 772                         port_statistics[portid].rx += nb_rx;
 773
 774                         if (nb_rx) {
 775                                 /*
 776                                  * If we can't allocate a crypto_ops, then drop
 777                                  * the rest of the burst and dequeue and
 778                                  * process the packets to free offload structs
 779                                  */
 780                                 if (rte_crypto_op_bulk_alloc(
 781                                                 l2fwd_crypto_op_pool,
 782                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 783                                                 ops_burst, nb_rx) !=
 784                                                                 nb_rx) {
 785                                         for (j = 0; j < nb_rx; j++)
 786                                                 rte_pktmbuf_free(pkts_burst[i]);
 787
 788                                         nb_rx = 0;
 789                                 }
 790
 791                                 /* Enqueue packets from Crypto device*/
 792                                 for (j = 0; j < nb_rx; j++) {
 793                                         m = pkts_burst[j];
 794
 795                                         l2fwd_simple_crypto_enqueue(m,
 796                                                         ops_burst[j], cparams);
 797                                 }
 798                         }
 799
 800                         /* Dequeue packets from Crypto device */
 801                         do {
 802                                 nb_rx = rte_cryptodev_dequeue_burst(
 803                                                 cparams->dev_id, cparams->qp_id,
 804                                                 ops_burst, MAX_PKT_BURST);
 805
 806                                 crypto_statistics[cparams->dev_id].dequeued +=
 807                                                 nb_rx;
 808
 809                                 /* Forward crypto'd packets */
 810                                 for (j = 0; j < nb_rx; j++) {
 811                                         m = ops_burst[j]->sym->m_src;
 812
 813                                         rte_crypto_op_free(ops_burst[j]);
 814                                         l2fwd_simple_forward(m, portid);
 815                                 }
 816                         } while (nb_rx == MAX_PKT_BURST);
 817                 }
 818         }
 819 }
 820
 821 static int
 822 l2fwd_launch_one_lcore(void *arg)
 823 {
 824         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 825         return 0;
 826 }
 827
 828 /* Display command line arguments usage */
 829 static void
 830 l2fwd_crypto_usage(const char *prgname)
 831 {
 832         printf("%s [EAL options] --\n"
 833                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 834                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 835                 "  -s manage all ports from single lcore\n"
 836                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 837                 " (0 to disable, 10 default, 86400 maximum)\n"
 838
 839                 "  --cdev_type HW / SW / ANY\n"
 840                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 841
 842                 "  --cipher_algo ALGO\n"
 843                 "  --cipher_op ENCRYPT / DECRYPT\n"
 844                 "  --cipher_key KEY (bytes separated with \":\")\n"
 845                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 846                 "  --iv IV (bytes separated with \":\")\n"
 847                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 848
 849                 "  --auth_algo ALGO\n"
 850                 "  --auth_op GENERATE / VERIFY\n"
 851                 "  --auth_key KEY (bytes separated with \":\")\n"
 852                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 853                 "  --aad AAD (bytes separated with \":\")\n"
 854                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 855                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 856
 857                 "  --sessionless\n",
 858                prgname);
 859 }
 860
 861 /** Parse crypto device type command line argument */
 862 static int
 863 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 864 {
 865         if (strcmp("HW", optarg) == 0) {
 866                 *type = CDEV_TYPE_HW;
 867                 return 0;
 868         } else if (strcmp("SW", optarg) == 0) {
 869                 *type = CDEV_TYPE_SW;
 870                 return 0;
 871         } else if (strcmp("ANY", optarg) == 0) {
 872                 *type = CDEV_TYPE_ANY;
 873                 return 0;
 874         }
 875
 876         return -1;
 877 }
 878
 879 /** Parse crypto chain xform command line argument */
 880 static int
 881 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 882 {
 883         if (strcmp("CIPHER_HASH", optarg) == 0) {
 884                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 885                 return 0;
 886         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 887                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 888                 return 0;
 889         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 890                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 891                 return 0;
 892         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 893                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 894                 return 0;
 895         }
 896
 897         return -1;
 898 }
 899
 900 /** Parse crypto cipher algo option command line argument */
 901 static int
 902 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 903 {
 904         unsigned i;
 905
 906         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 907                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 908                         *algo = (enum rte_crypto_cipher_algorithm)i;
 909                         return 0;
 910                 }
 911         }
 912
 913         printf("Cipher algorithm  not supported!\n");
 914         return -1;
 915 }
 916
 917 /** Parse crypto cipher operation command line argument */
 918 static int
 919 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 920 {
 921         if (strcmp("ENCRYPT", optarg) == 0) {
 922                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 923                 return 0;
 924         } else if (strcmp("DECRYPT", optarg) == 0) {
 925                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 926                 return 0;
 927         }
 928
 929         printf("Cipher operation not supported!\n");
 930         return -1;
 931 }
 932
 933 /** Parse crypto key command line argument */
 934 static int
 935 parse_key(uint8_t *data, char *input_arg)
 936 {
 937         unsigned byte_count;
 938         char *token;
 939
 940         for (byte_count = 0, token = strtok(input_arg, ":");
 941                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 942                         token = strtok(NULL, ":")) {
 943
 944                 int number = (int)strtol(token, NULL, 16);
 945
 946                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 947                         return -1;
 948
 949                 data[byte_count++] = (uint8_t)number;
 950         }
 951
 952         return byte_count;
 953 }
 954
 955 /** Parse size param*/
 956 static int
 957 parse_size(int *size, const char *q_arg)
 958 {
 959         char *end = NULL;
 960         unsigned long n;
 961
 962         /* parse hexadecimal string */
 963         n = strtoul(q_arg, &end, 10);
 964         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 965                 n = 0;
 966
 967         if (n == 0) {
 968                 printf("invalid size\n");
 969                 return -1;
 970         }
 971
 972         *size = n;
 973         return 0;
 974 }
 975
 976 /** Parse crypto cipher operation command line argument */
 977 static int
 978 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 979 {
 980         unsigned i;
 981
 982         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
 983                 if (!strcmp(supported_auth_algo[i], optarg)) {
 984                         *algo = (enum rte_crypto_auth_algorithm)i;
 985                         return 0;
 986                 }
 987         }
 988
 989         printf("Authentication algorithm specified not supported!\n");
 990         return -1;
 991 }
 992
 993 static int
 994 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 995 {
 996         if (strcmp("VERIFY", optarg) == 0) {
 997                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 998                 return 0;
 999         } else if (strcmp("GENERATE", optarg) == 0) {
1000                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1001                 return 0;
1002         }
1003
1004         printf("Authentication operation specified not supported!\n");
1005         return -1;
1006 }
1007
1008 /** Parse long options */
1009 static int
1010 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1011                 struct option *lgopts, int option_index)
1012 {
1013         int retval;
1014
1015         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1016                 retval = parse_cryptodev_type(&options->type, optarg);
1017                 if (retval == 0)
1018                         snprintf(options->string_type, MAX_STR_LEN,
1019                                 "%s", optarg);
1020                 return retval;
1021         }
1022
1023         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1024                 return parse_crypto_opt_chain(options, optarg);
1025
1026         /* Cipher options */
1027         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1028                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1029                                 optarg);
1030
1031         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1032                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1033                                 optarg);
1034
1035         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1036                 options->ckey_param = 1;
1037                 options->cipher_xform.cipher.key.length =
1038                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1039                 if (options->cipher_xform.cipher.key.length > 0)
1040                         return 0;
1041                 else
1042                         return -1;
1043         }
1044
1045         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1046                 return parse_size(&options->ckey_random_size, optarg);
1047
1048         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1049                 options->iv_param = 1;
1050                 options->iv.length =
1051                         parse_key(options->iv.data, optarg);
1052                 if (options->iv.length > 0)
1053                         return 0;
1054                 else
1055                         return -1;
1056         }
1057
1058         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1059                 return parse_size(&options->iv_random_size, optarg);
1060
1061         /* Authentication options */
1062         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1063                 return parse_auth_algo(&options->auth_xform.auth.algo,
1064                                 optarg);
1065         }
1066
1067         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1068                 return parse_auth_op(&options->auth_xform.auth.op,
1069                                 optarg);
1070
1071         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1072                 options->akey_param = 1;
1073                 options->auth_xform.auth.key.length =
1074                         parse_key(options->auth_xform.auth.key.data, optarg);
1075                 if (options->auth_xform.auth.key.length > 0)
1076                         return 0;
1077                 else
1078                         return -1;
1079         }
1080
1081         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1082                 return parse_size(&options->akey_random_size, optarg);
1083         }
1084
1085         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1086                 options->aad_param = 1;
1087                 options->aad.length =
1088                         parse_key(options->aad.data, optarg);
1089                 if (options->aad.length > 0)
1090                         return 0;
1091                 else
1092                         return -1;
1093         }
1094
1095         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1096                 return parse_size(&options->aad_random_size, optarg);
1097         }
1098
1099         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1100                 return parse_size(&options->digest_size, optarg);
1101         }
1102
1103         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1104                 options->sessionless = 1;
1105                 return 0;
1106         }
1107
1108         return -1;
1109 }
1110
1111 /** Parse port mask */
1112 static int
1113 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1114                 const char *q_arg)
1115 {
1116         char *end = NULL;
1117         unsigned long pm;
1118
1119         /* parse hexadecimal string */
1120         pm = strtoul(q_arg, &end, 16);
1121         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1122                 pm = 0;
1123
1124         options->portmask = pm;
1125         if (options->portmask == 0) {
1126                 printf("invalid portmask specified\n");
1127                 return -1;
1128         }
1129
1130         return pm;
1131 }
1132
1133 /** Parse number of queues */
1134 static int
1135 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1136                 const char *q_arg)
1137 {
1138         char *end = NULL;
1139         unsigned long n;
1140
1141         /* parse hexadecimal string */
1142         n = strtoul(q_arg, &end, 10);
1143         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1144                 n = 0;
1145         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1146                 n = 0;
1147
1148         options->nb_ports_per_lcore = n;
1149         if (options->nb_ports_per_lcore == 0) {
1150                 printf("invalid number of ports selected\n");
1151                 return -1;
1152         }
1153
1154         return 0;
1155 }
1156
1157 /** Parse timer period */
1158 static int
1159 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1160                 const char *q_arg)
1161 {
1162         char *end = NULL;
1163         unsigned long n;
1164
1165         /* parse number string */
1166         n = (unsigned)strtol(q_arg, &end, 10);
1167         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1168                 n = 0;
1169
1170         if (n >= MAX_TIMER_PERIOD) {
1171                 printf("Warning refresh period specified %lu is greater than "
1172                                 "max value %lu! using max value",
1173                                 n, MAX_TIMER_PERIOD);
1174                 n = MAX_TIMER_PERIOD;
1175         }
1176
1177         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1178
1179         return 0;
1180 }
1181
1182 /** Generate default options for application */
1183 static void
1184 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1185 {
1186         srand(time(NULL));
1187
1188         options->portmask = 0xffffffff;
1189         options->nb_ports_per_lcore = 1;
1190         options->refresh_period = 10000;
1191         options->single_lcore = 0;
1192         options->sessionless = 0;
1193
1194         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1195
1196         /* Cipher Data */
1197         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1198         options->cipher_xform.next = NULL;
1199         options->ckey_param = 0;
1200         options->ckey_random_size = -1;
1201         options->cipher_xform.cipher.key.length = 0;
1202         options->iv_param = 0;
1203         options->iv_random_size = -1;
1204         options->iv.length = 0;
1205
1206         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1207         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1208
1209         /* Authentication Data */
1210         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1211         options->auth_xform.next = NULL;
1212         options->akey_param = 0;
1213         options->akey_random_size = -1;
1214         options->auth_xform.auth.key.length = 0;
1215         options->aad_param = 0;
1216         options->aad_random_size = -1;
1217         options->aad.length = 0;
1218         options->digest_size = -1;
1219
1220         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1221         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1222
1223         options->type = CDEV_TYPE_ANY;
1224 }
1225
1226 static void
1227 display_cipher_info(struct l2fwd_crypto_options *options)
1228 {
1229         printf("\n---- Cipher information ---\n");
1230         printf("Algorithm: %s\n",
1231                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1232         rte_hexdump(stdout, "Cipher key:",
1233                         options->cipher_xform.cipher.key.data,
1234                         options->cipher_xform.cipher.key.length);
1235         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1236 }
1237
1238 static void
1239 display_auth_info(struct l2fwd_crypto_options *options)
1240 {
1241         printf("\n---- Authentication information ---\n");
1242         printf("Algorithm: %s\n",
1243                 supported_auth_algo[options->auth_xform.auth.algo]);
1244         rte_hexdump(stdout, "Auth key:",
1245                         options->auth_xform.auth.key.data,
1246                         options->auth_xform.auth.key.length);
1247         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1248 }
1249
1250 static void
1251 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1252 {
1253         char string_cipher_op[MAX_STR_LEN];
1254         char string_auth_op[MAX_STR_LEN];
1255
1256         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1257                 strcpy(string_cipher_op, "Encrypt");
1258         else
1259                 strcpy(string_cipher_op, "Decrypt");
1260
1261         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1262                 strcpy(string_auth_op, "Auth generate");
1263         else
1264                 strcpy(string_auth_op, "Auth verify");
1265
1266         printf("Options:-\nn");
1267         printf("portmask: %x\n", options->portmask);
1268         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1269         printf("refresh period : %u\n", options->refresh_period);
1270         printf("single lcore mode: %s\n",
1271                         options->single_lcore ? "enabled" : "disabled");
1272         printf("stats_printing: %s\n",
1273                         options->refresh_period == 0 ? "disabled" : "enabled");
1274
1275         printf("sessionless crypto: %s\n",
1276                         options->sessionless ? "enabled" : "disabled");
1277
1278         if (options->ckey_param && (options->ckey_random_size != -1))
1279                 printf("Cipher key already parsed, ignoring size of random key\n");
1280
1281         if (options->akey_param && (options->akey_random_size != -1))
1282                 printf("Auth key already parsed, ignoring size of random key\n");
1283
1284         if (options->iv_param && (options->iv_random_size != -1))
1285                 printf("IV already parsed, ignoring size of random IV\n");
1286
1287         if (options->aad_param && (options->aad_random_size != -1))
1288                 printf("AAD already parsed, ignoring size of random AAD\n");
1289
1290         printf("\nCrypto chain: ");
1291         switch (options->xform_chain) {
1292         case L2FWD_CRYPTO_CIPHER_HASH:
1293                 printf("Input --> %s --> %s --> Output\n",
1294                         string_cipher_op, string_auth_op);
1295                 display_cipher_info(options);
1296                 display_auth_info(options);
1297                 break;
1298         case L2FWD_CRYPTO_HASH_CIPHER:
1299                 printf("Input --> %s --> %s --> Output\n",
1300                         string_auth_op, string_cipher_op);
1301                 display_cipher_info(options);
1302                 display_auth_info(options);
1303                 break;
1304         case L2FWD_CRYPTO_HASH_ONLY:
1305                 printf("Input --> %s --> Output\n", string_auth_op);
1306                 display_auth_info(options);
1307                 break;
1308         case L2FWD_CRYPTO_CIPHER_ONLY:
1309                 printf("Input --> %s --> Output\n", string_cipher_op);
1310                 display_cipher_info(options);
1311                 break;
1312         }
1313 }
1314
1315 /* Parse the argument given in the command line of the application */
1316 static int
1317 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1318                 int argc, char **argv)
1319 {
1320         int opt, retval, option_index;
1321         char **argvopt = argv, *prgname = argv[0];
1322
1323         static struct option lgopts[] = {
1324                         { "sessionless", no_argument, 0, 0 },
1325
1326                         { "cdev_type", required_argument, 0, 0 },
1327                         { "chain", required_argument, 0, 0 },
1328
1329                         { "cipher_algo", required_argument, 0, 0 },
1330                         { "cipher_op", required_argument, 0, 0 },
1331                         { "cipher_key", required_argument, 0, 0 },
1332                         { "cipher_key_random_size", required_argument, 0, 0 },
1333
1334                         { "auth_algo", required_argument, 0, 0 },
1335                         { "auth_op", required_argument, 0, 0 },
1336                         { "auth_key", required_argument, 0, 0 },
1337                         { "auth_key_random_size", required_argument, 0, 0 },
1338
1339                         { "iv", required_argument, 0, 0 },
1340                         { "iv_random_size", required_argument, 0, 0 },
1341                         { "aad", required_argument, 0, 0 },
1342                         { "aad_random_size", required_argument, 0, 0 },
1343                         { "digest_size", required_argument, 0, 0 },
1344
1345                         { "sessionless", no_argument, 0, 0 },
1346
1347                         { NULL, 0, 0, 0 }
1348         };
1349
1350         l2fwd_crypto_default_options(options);
1351
1352         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1353                         &option_index)) != EOF) {
1354                 switch (opt) {
1355                 /* long options */
1356                 case 0:
1357                         retval = l2fwd_crypto_parse_args_long_options(options,
1358                                         lgopts, option_index);
1359                         if (retval < 0) {
1360                                 l2fwd_crypto_usage(prgname);
1361                                 return -1;
1362                         }
1363                         break;
1364
1365                 /* portmask */
1366                 case 'p':
1367                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1368                         if (retval < 0) {
1369                                 l2fwd_crypto_usage(prgname);
1370                                 return -1;
1371                         }
1372                         break;
1373
1374                 /* nqueue */
1375                 case 'q':
1376                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1377                         if (retval < 0) {
1378                                 l2fwd_crypto_usage(prgname);
1379                                 return -1;
1380                         }
1381                         break;
1382
1383                 /* single  */
1384                 case 's':
1385                         options->single_lcore = 1;
1386
1387                         break;
1388
1389                 /* timer period */
1390                 case 'T':
1391                         retval = l2fwd_crypto_parse_timer_period(options,
1392                                         optarg);
1393                         if (retval < 0) {
1394                                 l2fwd_crypto_usage(prgname);
1395                                 return -1;
1396                         }
1397                         break;
1398
1399                 default:
1400                         l2fwd_crypto_usage(prgname);
1401                         return -1;
1402                 }
1403         }
1404
1405
1406         if (optind >= 0)
1407                 argv[optind-1] = prgname;
1408
1409         retval = optind-1;
1410         optind = 0; /* reset getopt lib */
1411
1412         return retval;
1413 }
1414
1415 /* Check the link status of all ports in up to 9s, and print them finally */
1416 static void
1417 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1418 {
1419 #define CHECK_INTERVAL 100 /* 100ms */
1420 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1421         uint8_t portid, count, all_ports_up, print_flag = 0;
1422         struct rte_eth_link link;
1423
1424         printf("\nChecking link status");
1425         fflush(stdout);
1426         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1427                 all_ports_up = 1;
1428                 for (portid = 0; portid < port_num; portid++) {
1429                         if ((port_mask & (1 << portid)) == 0)
1430                                 continue;
1431                         memset(&link, 0, sizeof(link));
1432                         rte_eth_link_get_nowait(portid, &link);
1433                         /* print link status if flag set */
1434                         if (print_flag == 1) {
1435                                 if (link.link_status)
1436                                         printf("Port %d Link Up - speed %u "
1437                                                 "Mbps - %s\n", (uint8_t)portid,
1438                                                 (unsigned)link.link_speed,
1439                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1440                                         ("full-duplex") : ("half-duplex\n"));
1441                                 else
1442                                         printf("Port %d Link Down\n",
1443                                                 (uint8_t)portid);
1444                                 continue;
1445                         }
1446                         /* clear all_ports_up flag if any link down */
1447                         if (link.link_status == ETH_LINK_DOWN) {
1448                                 all_ports_up = 0;
1449                                 break;
1450                         }
1451                 }
1452                 /* after finally printing all link status, get out */
1453                 if (print_flag == 1)
1454                         break;
1455
1456                 if (all_ports_up == 0) {
1457                         printf(".");
1458                         fflush(stdout);
1459                         rte_delay_ms(CHECK_INTERVAL);
1460                 }
1461
1462                 /* set the print_flag if all ports up or timeout */
1463                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1464                         print_flag = 1;
1465                         printf("done\n");
1466                 }
1467         }
1468 }
1469
1470 /* Check if device has to be HW/SW or any */
1471 static int
1472 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1473 {
1474         if (options->type == CDEV_TYPE_HW &&
1475                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1476                 return 0;
1477         if (options->type == CDEV_TYPE_SW &&
1478                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1479                 return 0;
1480         if (options->type == CDEV_TYPE_ANY)
1481                 return 0;
1482
1483         return -1;
1484 }
1485
1486 static inline int
1487 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1488                 uint16_t increment)
1489 {
1490         uint16_t supp_size;
1491
1492         for (supp_size = min; supp_size <= max; supp_size += increment) {
1493                 if (length == supp_size)
1494                         return 0;
1495         }
1496
1497         return -1;
1498 }
1499 static int
1500 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1501                 uint8_t *enabled_cdevs)
1502 {
1503         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1504         const struct rte_cryptodev_capabilities *cap;
1505         enum rte_crypto_auth_algorithm cap_auth_algo;
1506         enum rte_crypto_auth_algorithm opt_auth_algo;
1507         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1508         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1509         int retval;
1510
1511         cdev_count = rte_cryptodev_count();
1512         if (cdev_count == 0) {
1513                 printf("No crypto devices available\n");
1514                 return -1;
1515         }
1516
1517         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1518                         cdev_id++) {
1519                 struct rte_cryptodev_qp_conf qp_conf;
1520                 struct rte_cryptodev_info dev_info;
1521
1522                 struct rte_cryptodev_config conf = {
1523                         .nb_queue_pairs = 1,
1524                         .socket_id = SOCKET_ID_ANY,
1525                         .session_mp = {
1526                                 .nb_objs = 2048,
1527                                 .cache_size = 64
1528                         }
1529                 };
1530
1531                 rte_cryptodev_info_get(cdev_id, &dev_info);
1532
1533                 /* Set cipher parameters */
1534                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1535                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1536                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1537                         /* Check if device supports cipher algo */
1538                         i = 0;
1539                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1540                         cap = &dev_info.capabilities[i];
1541                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1542                                 cap_cipher_algo = cap->sym.cipher.algo;
1543                                 if (cap->sym.xform_type ==
1544                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1545                                         if (cap_cipher_algo == opt_cipher_algo) {
1546                                                 if (check_type(options, &dev_info) == 0)
1547                                                         break;
1548                                         }
1549                                 }
1550                                 cap = &dev_info.capabilities[++i];
1551                         }
1552
1553                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1554                                 printf("Algorithm %s not supported by cryptodev %u"
1555                                         " or device not of preferred type (%s)\n",
1556                                         supported_cipher_algo[opt_cipher_algo],
1557                                         cdev_id,
1558                                         options->string_type);
1559                                 continue;
1560                         }
1561
1562                         options->block_size = cap->sym.cipher.block_size;
1563                         /*
1564                          * Check if length of provided IV is supported
1565                          * by the algorithm chosen.
1566                          */
1567                         if (options->iv_param) {
1568                                 if (check_supported_size(options->iv.length,
1569                                                 cap->sym.cipher.iv_size.min,
1570                                                 cap->sym.cipher.iv_size.max,
1571                                                 cap->sym.cipher.iv_size.increment)
1572                                                         != 0) {
1573                                         printf("Unsupported IV length\n");
1574                                         return -1;
1575                                 }
1576                         /*
1577                          * Check if length of IV to be randomly generated
1578                          * is supported by the algorithm chosen.
1579                          */
1580                         } else if (options->iv_random_size != -1) {
1581                                 if (check_supported_size(options->iv_random_size,
1582                                                 cap->sym.cipher.iv_size.min,
1583                                                 cap->sym.cipher.iv_size.max,
1584                                                 cap->sym.cipher.iv_size.increment)
1585                                                         != 0) {
1586                                         printf("Unsupported IV length\n");
1587                                         return -1;
1588                                 }
1589                                 options->iv.length = options->iv_random_size;
1590                         /* No size provided, use minimum size. */
1591                         } else
1592                                 options->iv.length = cap->sym.cipher.iv_size.min;
1593
1594                         /*
1595                          * Check if length of provided cipher key is supported
1596                          * by the algorithm chosen.
1597                          */
1598                         if (options->ckey_param) {
1599                                 if (check_supported_size(
1600                                                 options->cipher_xform.cipher.key.length,
1601                                                 cap->sym.cipher.key_size.min,
1602                                                 cap->sym.cipher.key_size.max,
1603                                                 cap->sym.cipher.key_size.increment)
1604                                                         != 0) {
1605                                         printf("Unsupported cipher key length\n");
1606                                         return -1;
1607                                 }
1608                         /*
1609                          * Check if length of the cipher key to be randomly generated
1610                          * is supported by the algorithm chosen.
1611                          */
1612                         } else if (options->ckey_random_size != -1) {
1613                                 if (check_supported_size(options->ckey_random_size,
1614                                                 cap->sym.cipher.key_size.min,
1615                                                 cap->sym.cipher.key_size.max,
1616                                                 cap->sym.cipher.key_size.increment)
1617                                                         != 0) {
1618                                         printf("Unsupported cipher key length\n");
1619                                         return -1;
1620                                 }
1621                                 options->cipher_xform.cipher.key.length =
1622                                                         options->ckey_random_size;
1623                         /* No size provided, use minimum size. */
1624                         } else
1625                                 options->cipher_xform.cipher.key.length =
1626                                                 cap->sym.cipher.key_size.min;
1627
1628                         if (!options->ckey_param)
1629                                 generate_random_key(
1630                                         options->cipher_xform.cipher.key.data,
1631                                         options->cipher_xform.cipher.key.length);
1632
1633                 }
1634
1635                 /* Set auth parameters */
1636                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1637                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1638                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1639                         /* Check if device supports auth algo */
1640                         i = 0;
1641                         opt_auth_algo = options->auth_xform.auth.algo;
1642                         cap = &dev_info.capabilities[i];
1643                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1644                                 cap_auth_algo = cap->sym.auth.algo;
1645                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1646                                                 (cap_auth_algo == opt_auth_algo) &&
1647                                                 (check_type(options, &dev_info) == 0)) {
1648                                         break;
1649                                 }
1650                                 cap = &dev_info.capabilities[++i];
1651                         }
1652
1653                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1654                                 printf("Algorithm %s not supported by cryptodev %u"
1655                                         " or device not of preferred type (%s)\n",
1656                                         supported_auth_algo[opt_auth_algo],
1657                                         cdev_id,
1658                                         options->string_type);
1659                                 continue;
1660                         }
1661
1662                         options->block_size = cap->sym.auth.block_size;
1663                         /*
1664                          * Check if length of provided AAD is supported
1665                          * by the algorithm chosen.
1666                          */
1667                         if (options->aad_param) {
1668                                 if (check_supported_size(options->aad.length,
1669                                                 cap->sym.auth.aad_size.min,
1670                                                 cap->sym.auth.aad_size.max,
1671                                                 cap->sym.auth.aad_size.increment)
1672                                                         != 0) {
1673                                         printf("Unsupported AAD length\n");
1674                                         return -1;
1675                                 }
1676                         /*
1677                          * Check if length of AAD to be randomly generated
1678                          * is supported by the algorithm chosen.
1679                          */
1680                         } else if (options->aad_random_size != -1) {
1681                                 if (check_supported_size(options->aad_random_size,
1682                                                 cap->sym.auth.aad_size.min,
1683                                                 cap->sym.auth.aad_size.max,
1684                                                 cap->sym.auth.aad_size.increment)
1685                                                         != 0) {
1686                                         printf("Unsupported AAD length\n");
1687                                         return -1;
1688                                 }
1689                                 options->aad.length = options->aad_random_size;
1690                         /* No size provided, use minimum size. */
1691                         } else
1692                                 options->aad.length = cap->sym.auth.aad_size.min;
1693
1694                         options->auth_xform.auth.add_auth_data_length =
1695                                                 options->aad.length;
1696
1697                         /*
1698                          * Check if length of provided auth key is supported
1699                          * by the algorithm chosen.
1700                          */
1701                         if (options->akey_param) {
1702                                 if (check_supported_size(
1703                                                 options->auth_xform.auth.key.length,
1704                                                 cap->sym.auth.key_size.min,
1705                                                 cap->sym.auth.key_size.max,
1706                                                 cap->sym.auth.key_size.increment)
1707                                                         != 0) {
1708                                         printf("Unsupported auth key length\n");
1709                                         return -1;
1710                                 }
1711                         /*
1712                          * Check if length of the auth key to be randomly generated
1713                          * is supported by the algorithm chosen.
1714                          */
1715                         } else if (options->akey_random_size != -1) {
1716                                 if (check_supported_size(options->akey_random_size,
1717                                                 cap->sym.auth.key_size.min,
1718                                                 cap->sym.auth.key_size.max,
1719                                                 cap->sym.auth.key_size.increment)
1720                                                         != 0) {
1721                                         printf("Unsupported auth key length\n");
1722                                         return -1;
1723                                 }
1724                                 options->auth_xform.auth.key.length =
1725                                                         options->akey_random_size;
1726                         /* No size provided, use minimum size. */
1727                         } else
1728                                 options->auth_xform.auth.key.length =
1729                                                 cap->sym.auth.key_size.min;
1730
1731                         if (!options->akey_param)
1732                                 generate_random_key(
1733                                         options->auth_xform.auth.key.data,
1734                                         options->auth_xform.auth.key.length);
1735
1736                         /* Check if digest size is supported by the algorithm. */
1737                         if (options->digest_size != -1) {
1738                                 if (check_supported_size(options->digest_size,
1739                                                 cap->sym.auth.digest_size.min,
1740                                                 cap->sym.auth.digest_size.max,
1741                                                 cap->sym.auth.digest_size.increment)
1742                                                         != 0) {
1743                                         printf("Unsupported digest length\n");
1744                                         return -1;
1745                                 }
1746                                 options->auth_xform.auth.digest_length =
1747                                                         options->digest_size;
1748                         /* No size provided, use minimum size. */
1749                         } else
1750                                 options->auth_xform.auth.digest_length =
1751                                                 cap->sym.auth.digest_size.min;
1752                 }
1753
1754                 retval = rte_cryptodev_configure(cdev_id, &conf);
1755                 if (retval < 0) {
1756                         printf("Failed to configure cryptodev %u", cdev_id);
1757                         return -1;
1758                 }
1759
1760                 qp_conf.nb_descriptors = 2048;
1761
1762                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1763                                 SOCKET_ID_ANY);
1764                 if (retval < 0) {
1765                         printf("Failed to setup queue pair %u on cryptodev %u",
1766                                         0, cdev_id);
1767                         return -1;
1768                 }
1769
1770                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1771
1772                 enabled_cdevs[cdev_id] = 1;
1773                 enabled_cdev_count++;
1774         }
1775
1776         return enabled_cdev_count;
1777 }
1778
1779 static int
1780 initialize_ports(struct l2fwd_crypto_options *options)
1781 {
1782         uint8_t last_portid, portid;
1783         unsigned enabled_portcount = 0;
1784         unsigned nb_ports = rte_eth_dev_count();
1785
1786         if (nb_ports == 0) {
1787                 printf("No Ethernet ports - bye\n");
1788                 return -1;
1789         }
1790
1791         /* Reset l2fwd_dst_ports */
1792         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1793                 l2fwd_dst_ports[portid] = 0;
1794
1795         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1796                 int retval;
1797
1798                 /* Skip ports that are not enabled */
1799                 if ((options->portmask & (1 << portid)) == 0)
1800                         continue;
1801
1802                 /* init port */
1803                 printf("Initializing port %u... ", (unsigned) portid);
1804                 fflush(stdout);
1805                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1806                 if (retval < 0) {
1807                         printf("Cannot configure device: err=%d, port=%u\n",
1808                                   retval, (unsigned) portid);
1809                         return -1;
1810                 }
1811
1812                 /* init one RX queue */
1813                 fflush(stdout);
1814                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1815                                              rte_eth_dev_socket_id(portid),
1816                                              NULL, l2fwd_pktmbuf_pool);
1817                 if (retval < 0) {
1818                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1819                                         retval, (unsigned) portid);
1820                         return -1;
1821                 }
1822
1823                 /* init one TX queue on each port */
1824                 fflush(stdout);
1825                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1826                                 rte_eth_dev_socket_id(portid),
1827                                 NULL);
1828                 if (retval < 0) {
1829                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1830                                 retval, (unsigned) portid);
1831
1832                         return -1;
1833                 }
1834
1835                 /* Start device */
1836                 retval = rte_eth_dev_start(portid);
1837                 if (retval < 0) {
1838                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1839                                         retval, (unsigned) portid);
1840                         return -1;
1841                 }
1842
1843                 rte_eth_promiscuous_enable(portid);
1844
1845                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1846
1847                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1848                                 (unsigned) portid,
1849                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1850                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1851                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1852                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1853                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1854                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1855
1856                 /* initialize port stats */
1857                 memset(&port_statistics, 0, sizeof(port_statistics));
1858
1859                 /* Setup port forwarding table */
1860                 if (enabled_portcount % 2) {
1861                         l2fwd_dst_ports[portid] = last_portid;
1862                         l2fwd_dst_ports[last_portid] = portid;
1863                 } else {
1864                         last_portid = portid;
1865                 }
1866
1867                 l2fwd_enabled_port_mask |= (1 << portid);
1868                 enabled_portcount++;
1869         }
1870
1871         if (enabled_portcount == 1) {
1872                 l2fwd_dst_ports[last_portid] = last_portid;
1873         } else if (enabled_portcount % 2) {
1874                 printf("odd number of ports in portmask- bye\n");
1875                 return -1;
1876         }
1877
1878         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1879
1880         return enabled_portcount;
1881 }
1882
1883 static void
1884 reserve_key_memory(struct l2fwd_crypto_options *options)
1885 {
1886         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1887                                                 MAX_KEY_SIZE, 0);
1888         if (options->cipher_xform.cipher.key.data == NULL)
1889                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1890
1891
1892         options->auth_xform.auth.key.data = rte_malloc("auth key",
1893                                                 MAX_KEY_SIZE, 0);
1894         if (options->auth_xform.auth.key.data == NULL)
1895                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1896
1897         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1898         if (options->iv.data == NULL)
1899                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1900         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1901
1902         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1903         if (options->aad.data == NULL)
1904                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1905         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1906 }
1907
1908 int
1909 main(int argc, char **argv)
1910 {
1911         struct lcore_queue_conf *qconf;
1912         struct l2fwd_crypto_options options;
1913
1914         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1915         unsigned lcore_id, rx_lcore_id;
1916         int ret, enabled_cdevcount, enabled_portcount;
1917         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1918
1919         /* init EAL */
1920         ret = rte_eal_init(argc, argv);
1921         if (ret < 0)
1922                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1923         argc -= ret;
1924         argv += ret;
1925
1926         /* reserve memory for Cipher/Auth key and IV */
1927         reserve_key_memory(&options);
1928
1929         /* fill out the supported algorithm tables */
1930         fill_supported_algorithm_tables();
1931
1932         /* parse application arguments (after the EAL ones) */
1933         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1934         if (ret < 0)
1935                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1936
1937         /* create the mbuf pool */
1938         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1939                         sizeof(struct rte_crypto_op),
1940                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1941         if (l2fwd_pktmbuf_pool == NULL)
1942                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1943
1944         /* create crypto op pool */
1945         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1946                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1947                         rte_socket_id());
1948         if (l2fwd_crypto_op_pool == NULL)
1949                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1950
1951         /* Enable Ethernet ports */
1952         enabled_portcount = initialize_ports(&options);
1953         if (enabled_portcount < 1)
1954                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1955
1956         nb_ports = rte_eth_dev_count();
1957         /* Initialize the port/queue configuration of each logical core */
1958         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1959                         portid < nb_ports; portid++) {
1960
1961                 /* skip ports that are not enabled */
1962                 if ((options.portmask & (1 << portid)) == 0)
1963                         continue;
1964
1965                 if (options.single_lcore && qconf == NULL) {
1966                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1967                                 rx_lcore_id++;
1968                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1969                                         rte_exit(EXIT_FAILURE,
1970                                                         "Not enough cores\n");
1971                         }
1972                 } else if (!options.single_lcore) {
1973                         /* get the lcore_id for this port */
1974                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1975                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1976                                options.nb_ports_per_lcore) {
1977                                 rx_lcore_id++;
1978                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1979                                         rte_exit(EXIT_FAILURE,
1980                                                         "Not enough cores\n");
1981                         }
1982                 }
1983
1984                 /* Assigned a new logical core in the loop above. */
1985                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1986                         qconf = &lcore_queue_conf[rx_lcore_id];
1987
1988                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1989                 qconf->nb_rx_ports++;
1990
1991                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1992         }
1993
1994         /* Enable Crypto devices */
1995         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
1996                         enabled_cdevs);
1997         if (enabled_cdevcount < 0)
1998                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
1999
2000         if (enabled_cdevcount < enabled_portcount)
2001                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2002                                 "has to be more or equal to number of ports (%d)\n",
2003                                 enabled_cdevcount, enabled_portcount);
2004
2005         nb_cryptodevs = rte_cryptodev_count();
2006
2007         /* Initialize the port/cryptodev configuration of each logical core */
2008         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2009                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2010                         cdev_id++) {
2011                 /* Crypto op not supported by crypto device */
2012                 if (!enabled_cdevs[cdev_id])
2013                         continue;
2014
2015                 if (options.single_lcore && qconf == NULL) {
2016                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2017                                 rx_lcore_id++;
2018                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2019                                         rte_exit(EXIT_FAILURE,
2020                                                         "Not enough cores\n");
2021                         }
2022                 } else if (!options.single_lcore) {
2023                         /* get the lcore_id for this port */
2024                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2025                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2026                                options.nb_ports_per_lcore) {
2027                                 rx_lcore_id++;
2028                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2029                                         rte_exit(EXIT_FAILURE,
2030                                                         "Not enough cores\n");
2031                         }
2032                 }
2033
2034                 /* Assigned a new logical core in the loop above. */
2035                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2036                         qconf = &lcore_queue_conf[rx_lcore_id];
2037
2038                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2039                 qconf->nb_crypto_devs++;
2040
2041                 enabled_cdevcount--;
2042
2043                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2044                                 (unsigned)cdev_id);
2045         }
2046
2047         /* launch per-lcore init on every lcore */
2048         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2049                         CALL_MASTER);
2050         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2051                 if (rte_eal_wait_lcore(lcore_id) < 0)
2052                         return -1;
2053         }
2054
2055         return 0;
2056 }