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 char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
 139 char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];
 140
 141 /** l2fwd crypto application command line options */
 142 struct l2fwd_crypto_options {
 143         unsigned portmask;
 144         unsigned nb_ports_per_lcore;
 145         unsigned refresh_period;
 146         unsigned single_lcore:1;
 147
 148         enum cdev_type type;
 149         unsigned sessionless:1;
 150
 151         enum l2fwd_crypto_xform_chain xform_chain;
 152
 153         struct rte_crypto_sym_xform cipher_xform;
 154         unsigned ckey_param;
 155         int ckey_random_size;
 156
 157         struct l2fwd_key iv;
 158         unsigned iv_param;
 159         int iv_random_size;
 160
 161         struct rte_crypto_sym_xform auth_xform;
 162         uint8_t akey_param;
 163         int akey_random_size;
 164
 165         struct l2fwd_key aad;
 166         unsigned aad_param;
 167         int aad_random_size;
 168
 169         int digest_size;
 170
 171         uint16_t block_size;
 172         char string_type[MAX_STR_LEN];
 173 };
 174
 175 /** l2fwd crypto lcore params */
 176 struct l2fwd_crypto_params {
 177         uint8_t dev_id;
 178         uint8_t qp_id;
 179
 180         unsigned digest_length;
 181         unsigned block_size;
 182
 183         struct l2fwd_key iv;
 184         struct l2fwd_key aad;
 185         struct rte_cryptodev_sym_session *session;
 186
 187         uint8_t do_cipher;
 188         uint8_t do_hash;
 189         uint8_t hash_verify;
 190
 191         enum rte_crypto_cipher_algorithm cipher_algo;
 192         enum rte_crypto_auth_algorithm auth_algo;
 193 };
 194
 195 /** lcore configuration */
 196 struct lcore_queue_conf {
 197         unsigned nb_rx_ports;
 198         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 199
 200         unsigned nb_crypto_devs;
 201         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 202
 203         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
 204         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 205 } __rte_cache_aligned;
 206
 207 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 208
 209 static const struct rte_eth_conf port_conf = {
 210         .rxmode = {
 211                 .mq_mode = ETH_MQ_RX_NONE,
 212                 .max_rx_pkt_len = ETHER_MAX_LEN,
 213                 .split_hdr_size = 0,
 214                 .header_split   = 0, /**< Header Split disabled */
 215                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 216                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 217                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 218                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 219         },
 220         .txmode = {
 221                 .mq_mode = ETH_MQ_TX_NONE,
 222         },
 223 };
 224
 225 struct rte_mempool *l2fwd_pktmbuf_pool;
 226 struct rte_mempool *l2fwd_crypto_op_pool;
 227
 228 /* Per-port statistics struct */
 229 struct l2fwd_port_statistics {
 230         uint64_t tx;
 231         uint64_t rx;
 232
 233         uint64_t crypto_enqueued;
 234         uint64_t crypto_dequeued;
 235
 236         uint64_t dropped;
 237 } __rte_cache_aligned;
 238
 239 struct l2fwd_crypto_statistics {
 240         uint64_t enqueued;
 241         uint64_t dequeued;
 242
 243         uint64_t errors;
 244 } __rte_cache_aligned;
 245
 246 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 247 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 248
 249 /* A tsc-based timer responsible for triggering statistics printout */
 250 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 251 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 252
 253 /* default period is 10 seconds */
 254 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 255
 256 /* Print out statistics on packets dropped */
 257 static void
 258 print_stats(void)
 259 {
 260         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 261         uint64_t total_packets_enqueued, total_packets_dequeued,
 262                 total_packets_errors;
 263         unsigned portid;
 264         uint64_t cdevid;
 265
 266         total_packets_dropped = 0;
 267         total_packets_tx = 0;
 268         total_packets_rx = 0;
 269         total_packets_enqueued = 0;
 270         total_packets_dequeued = 0;
 271         total_packets_errors = 0;
 272
 273         const char clr[] = { 27, '[', '2', 'J', '\0' };
 274         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 275
 276                 /* Clear screen and move to top left */
 277         printf("%s%s", clr, topLeft);
 278
 279         printf("\nPort statistics ====================================");
 280
 281         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 282                 /* skip disabled ports */
 283                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 284                         continue;
 285                 printf("\nStatistics for port %u ------------------------------"
 286                            "\nPackets sent: %32"PRIu64
 287                            "\nPackets received: %28"PRIu64
 288                            "\nPackets dropped: %29"PRIu64,
 289                            portid,
 290                            port_statistics[portid].tx,
 291                            port_statistics[portid].rx,
 292                            port_statistics[portid].dropped);
 293
 294                 total_packets_dropped += port_statistics[portid].dropped;
 295                 total_packets_tx += port_statistics[portid].tx;
 296                 total_packets_rx += port_statistics[portid].rx;
 297         }
 298         printf("\nCrypto statistics ==================================");
 299
 300         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 301                 /* skip disabled ports */
 302                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 303                         continue;
 304                 printf("\nStatistics for cryptodev %"PRIu64
 305                                 " -------------------------"
 306                            "\nPackets enqueued: %28"PRIu64
 307                            "\nPackets dequeued: %28"PRIu64
 308                            "\nPackets errors: %30"PRIu64,
 309                            cdevid,
 310                            crypto_statistics[cdevid].enqueued,
 311                            crypto_statistics[cdevid].dequeued,
 312                            crypto_statistics[cdevid].errors);
 313
 314                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 315                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 316                 total_packets_errors += crypto_statistics[cdevid].errors;
 317         }
 318         printf("\nAggregate statistics ==============================="
 319                    "\nTotal packets received: %22"PRIu64
 320                    "\nTotal packets enqueued: %22"PRIu64
 321                    "\nTotal packets dequeued: %22"PRIu64
 322                    "\nTotal packets sent: %26"PRIu64
 323                    "\nTotal packets dropped: %23"PRIu64
 324                    "\nTotal packets crypto errors: %17"PRIu64,
 325                    total_packets_rx,
 326                    total_packets_enqueued,
 327                    total_packets_dequeued,
 328                    total_packets_tx,
 329                    total_packets_dropped,
 330                    total_packets_errors);
 331         printf("\n====================================================\n");
 332 }
 333
 334 static void
 335 fill_supported_algorithm_tables(void)
 336 {
 337         unsigned i;
 338
 339         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
 340                 strcpy(supported_auth_algo[i], "NOT_SUPPORTED");
 341
 342         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
 343         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GMAC], "AES_GMAC");
 344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
 345         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5], "MD5");
 346         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
 348                 "AES_XCBC_MAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1], "SHA1");
 351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 352         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224], "SHA224");
 353         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 354         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256], "SHA256");
 355         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 356         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384], "SHA384");
 357         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 358         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512], "SHA512");
 359         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 360         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_ZUC_EIA3], "ZUC_EIA3");
 361         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");
 362
 363         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 364                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 365
 366         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 367         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 368         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 369         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 370         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 371         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_ZUC_EEA3], "ZUC_EEA3");
 372         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
 373         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CTR], "3DES_CTR");
 374         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CBC], "3DES_CBC");
 375 }
 376
 377
 378 static int
 379 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 380                 struct l2fwd_crypto_params *cparams)
 381 {
 382         struct rte_crypto_op **op_buffer;
 383         unsigned ret;
 384
 385         op_buffer = (struct rte_crypto_op **)
 386                         qconf->op_buf[cparams->dev_id].buffer;
 387
 388         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 389                         cparams->qp_id, op_buffer, (uint16_t) n);
 390
 391         crypto_statistics[cparams->dev_id].enqueued += ret;
 392         if (unlikely(ret < n)) {
 393                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 394                 do {
 395                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 396                         rte_crypto_op_free(op_buffer[ret]);
 397                 } while (++ret < n);
 398         }
 399
 400         return 0;
 401 }
 402
 403 static int
 404 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 405                 struct l2fwd_crypto_params *cparams)
 406 {
 407         unsigned lcore_id, len;
 408         struct lcore_queue_conf *qconf;
 409
 410         lcore_id = rte_lcore_id();
 411
 412         qconf = &lcore_queue_conf[lcore_id];
 413         len = qconf->op_buf[cparams->dev_id].len;
 414         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 415         len++;
 416
 417         /* enough ops to be sent */
 418         if (len == MAX_PKT_BURST) {
 419                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 420                 len = 0;
 421         }
 422
 423         qconf->op_buf[cparams->dev_id].len = len;
 424         return 0;
 425 }
 426
 427 static int
 428 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 429                 struct rte_crypto_op *op,
 430                 struct l2fwd_crypto_params *cparams)
 431 {
 432         struct ether_hdr *eth_hdr;
 433         struct ipv4_hdr *ip_hdr;
 434
 435         unsigned ipdata_offset, pad_len, data_len;
 436         char *padding;
 437
 438         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 439
 440         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 441                 return -1;
 442
 443         ipdata_offset = sizeof(struct ether_hdr);
 444
 445         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 446                         ipdata_offset);
 447
 448         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 449                         * IPV4_IHL_MULTIPLIER;
 450
 451
 452         /* Zero pad data to be crypto'd so it is block aligned */
 453         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 454         pad_len = data_len % cparams->block_size ? cparams->block_size -
 455                         (data_len % cparams->block_size) : 0;
 456
 457         if (pad_len) {
 458                 padding = rte_pktmbuf_append(m, pad_len);
 459                 if (unlikely(!padding))
 460                         return -1;
 461
 462                 data_len += pad_len;
 463                 memset(padding, 0, pad_len);
 464         }
 465
 466         /* Set crypto operation data parameters */
 467         rte_crypto_op_attach_sym_session(op, cparams->session);
 468
 469         if (cparams->do_hash) {
 470                 if (!cparams->hash_verify) {
 471                         /* Append space for digest to end of packet */
 472                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 473                                 cparams->digest_length);
 474                 } else {
 475                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 476                                 cparams->digest_length);
 477                 }
 478
 479                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 480                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 481                 op->sym->auth.digest.length = cparams->digest_length;
 482
 483                 /* For wireless algorithms, offset/length must be in bits */
 484                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 485                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 486                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 487                         op->sym->auth.data.offset = ipdata_offset << 3;
 488                         op->sym->auth.data.length = data_len << 3;
 489                 } else {
 490                         op->sym->auth.data.offset = ipdata_offset;
 491                         op->sym->auth.data.length = data_len;
 492                 }
 493
 494                 if (cparams->aad.length) {
 495                         op->sym->auth.aad.data = cparams->aad.data;
 496                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 497                         op->sym->auth.aad.length = cparams->aad.length;
 498                 }
 499         }
 500
 501         if (cparams->do_cipher) {
 502                 op->sym->cipher.iv.data = cparams->iv.data;
 503                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 504                 op->sym->cipher.iv.length = cparams->iv.length;
 505
 506                 /* For wireless algorithms, offset/length must be in bits */
 507                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 508                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 509                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 510                         op->sym->cipher.data.offset = ipdata_offset << 3;
 511                         if (cparams->do_hash && cparams->hash_verify)
 512                                 /* Do not cipher the hash tag */
 513                                 op->sym->cipher.data.length = (data_len -
 514                                         cparams->digest_length) << 3;
 515                         else
 516                                 op->sym->cipher.data.length = data_len << 3;
 517
 518                 } else {
 519                         op->sym->cipher.data.offset = ipdata_offset;
 520                         if (cparams->do_hash && cparams->hash_verify)
 521                                 /* Do not cipher the hash tag */
 522                                 op->sym->cipher.data.length = data_len -
 523                                         cparams->digest_length;
 524                         else
 525                                 op->sym->cipher.data.length = data_len;
 526                 }
 527         }
 528
 529         op->sym->m_src = m;
 530
 531         return l2fwd_crypto_enqueue(op, cparams);
 532 }
 533
 534
 535 /* Send the burst of packets on an output interface */
 536 static int
 537 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 538                 uint8_t port)
 539 {
 540         struct rte_mbuf **pkt_buffer;
 541         unsigned ret;
 542
 543         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 544
 545         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 546         port_statistics[port].tx += ret;
 547         if (unlikely(ret < n)) {
 548                 port_statistics[port].dropped += (n - ret);
 549                 do {
 550                         rte_pktmbuf_free(pkt_buffer[ret]);
 551                 } while (++ret < n);
 552         }
 553
 554         return 0;
 555 }
 556
 557 /* Enqueue packets for TX and prepare them to be sent */
 558 static int
 559 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 560 {
 561         unsigned lcore_id, len;
 562         struct lcore_queue_conf *qconf;
 563
 564         lcore_id = rte_lcore_id();
 565
 566         qconf = &lcore_queue_conf[lcore_id];
 567         len = qconf->pkt_buf[port].len;
 568         qconf->pkt_buf[port].buffer[len] = m;
 569         len++;
 570
 571         /* enough pkts to be sent */
 572         if (unlikely(len == MAX_PKT_BURST)) {
 573                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 574                 len = 0;
 575         }
 576
 577         qconf->pkt_buf[port].len = len;
 578         return 0;
 579 }
 580
 581 static void
 582 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 583 {
 584         struct ether_hdr *eth;
 585         void *tmp;
 586         unsigned dst_port;
 587
 588         dst_port = l2fwd_dst_ports[portid];
 589         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 590
 591         /* 02:00:00:00:00:xx */
 592         tmp = &eth->d_addr.addr_bytes[0];
 593         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 594
 595         /* src addr */
 596         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 597
 598         l2fwd_send_packet(m, (uint8_t) dst_port);
 599 }
 600
 601 /** Generate random key */
 602 static void
 603 generate_random_key(uint8_t *key, unsigned length)
 604 {
 605         int fd;
 606         int ret;
 607
 608         fd = open("/dev/urandom", O_RDONLY);
 609         if (fd < 0)
 610                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 611
 612         ret = read(fd, key, length);
 613         close(fd);
 614
 615         if (ret != (signed)length)
 616                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 617 }
 618
 619 static struct rte_cryptodev_sym_session *
 620 initialize_crypto_session(struct l2fwd_crypto_options *options,
 621                 uint8_t cdev_id)
 622 {
 623         struct rte_crypto_sym_xform *first_xform;
 624
 625         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 626                 first_xform = &options->cipher_xform;
 627                 first_xform->next = &options->auth_xform;
 628         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 629                 first_xform = &options->auth_xform;
 630                 first_xform->next = &options->cipher_xform;
 631         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 632                 first_xform = &options->cipher_xform;
 633         } else {
 634                 first_xform = &options->auth_xform;
 635         }
 636
 637         /* Setup Cipher Parameters */
 638         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 639 }
 640
 641 static void
 642 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 643
 644 /* main processing loop */
 645 static void
 646 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 647 {
 648         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 649         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 650
 651         unsigned lcore_id = rte_lcore_id();
 652         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 653         unsigned i, j, portid, nb_rx, len;
 654         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 655         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 656                         US_PER_S * BURST_TX_DRAIN_US;
 657         struct l2fwd_crypto_params *cparams;
 658         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 659
 660         if (qconf->nb_rx_ports == 0) {
 661                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 662                 return;
 663         }
 664
 665         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 666
 667         for (i = 0; i < qconf->nb_rx_ports; i++) {
 668
 669                 portid = qconf->rx_port_list[i];
 670                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 671                         portid);
 672         }
 673
 674         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 675                 port_cparams[i].do_cipher = 0;
 676                 port_cparams[i].do_hash = 0;
 677
 678                 switch (options->xform_chain) {
 679                 case L2FWD_CRYPTO_CIPHER_HASH:
 680                 case L2FWD_CRYPTO_HASH_CIPHER:
 681                         port_cparams[i].do_cipher = 1;
 682                         port_cparams[i].do_hash = 1;
 683                         break;
 684                 case L2FWD_CRYPTO_HASH_ONLY:
 685                         port_cparams[i].do_hash = 1;
 686                         break;
 687                 case L2FWD_CRYPTO_CIPHER_ONLY:
 688                         port_cparams[i].do_cipher = 1;
 689                         break;
 690                 }
 691
 692                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 693                 port_cparams[i].qp_id = 0;
 694
 695                 port_cparams[i].block_size = options->block_size;
 696
 697                 if (port_cparams[i].do_hash) {
 698                         port_cparams[i].digest_length =
 699                                         options->auth_xform.auth.digest_length;
 700                         if (options->auth_xform.auth.add_auth_data_length) {
 701                                 port_cparams[i].aad.data = options->aad.data;
 702                                 port_cparams[i].aad.length =
 703                                         options->auth_xform.auth.add_auth_data_length;
 704                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 705                                 if (!options->aad_param)
 706                                         generate_random_key(port_cparams[i].aad.data,
 707                                                 port_cparams[i].aad.length);
 708
 709                         }
 710
 711                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 712                                 port_cparams[i].hash_verify = 1;
 713                         else
 714                                 port_cparams[i].hash_verify = 0;
 715
 716                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 717                 }
 718
 719                 if (port_cparams[i].do_cipher) {
 720                         port_cparams[i].iv.data = options->iv.data;
 721                         port_cparams[i].iv.length = options->iv.length;
 722                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 723                         if (!options->iv_param)
 724                                 generate_random_key(port_cparams[i].iv.data,
 725                                                 port_cparams[i].iv.length);
 726
 727                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 728                 }
 729
 730                 port_cparams[i].session = initialize_crypto_session(options,
 731                                 port_cparams[i].dev_id);
 732
 733                 if (port_cparams[i].session == NULL)
 734                         return;
 735                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 736                                 port_cparams[i].dev_id);
 737         }
 738
 739         l2fwd_crypto_options_print(options);
 740
 741         /*
 742          * Initialize previous tsc timestamp before the loop,
 743          * to avoid showing the port statistics immediately,
 744          * so user can see the crypto information.
 745          */
 746         prev_tsc = rte_rdtsc();
 747         while (1) {
 748
 749                 cur_tsc = rte_rdtsc();
 750
 751                 /*
 752                  * Crypto device/TX burst queue drain
 753                  */
 754                 diff_tsc = cur_tsc - prev_tsc;
 755                 if (unlikely(diff_tsc > drain_tsc)) {
 756                         /* Enqueue all crypto ops remaining in buffers */
 757                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 758                                 cparams = &port_cparams[i];
 759                                 len = qconf->op_buf[cparams->dev_id].len;
 760                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 761                                 qconf->op_buf[cparams->dev_id].len = 0;
 762                         }
 763                         /* Transmit all packets remaining in buffers */
 764                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 765                                 if (qconf->pkt_buf[portid].len == 0)
 766                                         continue;
 767                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 768                                                  qconf->pkt_buf[portid].len,
 769                                                  (uint8_t) portid);
 770                                 qconf->pkt_buf[portid].len = 0;
 771                         }
 772
 773                         /* if timer is enabled */
 774                         if (timer_period > 0) {
 775
 776                                 /* advance the timer */
 777                                 timer_tsc += diff_tsc;
 778
 779                                 /* if timer has reached its timeout */
 780                                 if (unlikely(timer_tsc >=
 781                                                 (uint64_t)timer_period)) {
 782
 783                                         /* do this only on master core */
 784                                         if (lcore_id == rte_get_master_lcore()
 785                                                 && options->refresh_period) {
 786                                                 print_stats();
 787                                                 timer_tsc = 0;
 788                                         }
 789                                 }
 790                         }
 791
 792                         prev_tsc = cur_tsc;
 793                 }
 794
 795                 /*
 796                  * Read packet from RX queues
 797                  */
 798                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 799                         portid = qconf->rx_port_list[i];
 800
 801                         cparams = &port_cparams[i];
 802
 803                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 804                                                  pkts_burst, MAX_PKT_BURST);
 805
 806                         port_statistics[portid].rx += nb_rx;
 807
 808                         if (nb_rx) {
 809                                 /*
 810                                  * If we can't allocate a crypto_ops, then drop
 811                                  * the rest of the burst and dequeue and
 812                                  * process the packets to free offload structs
 813                                  */
 814                                 if (rte_crypto_op_bulk_alloc(
 815                                                 l2fwd_crypto_op_pool,
 816                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 817                                                 ops_burst, nb_rx) !=
 818                                                                 nb_rx) {
 819                                         for (j = 0; j < nb_rx; j++)
 820                                                 rte_pktmbuf_free(pkts_burst[i]);
 821
 822                                         nb_rx = 0;
 823                                 }
 824
 825                                 /* Enqueue packets from Crypto device*/
 826                                 for (j = 0; j < nb_rx; j++) {
 827                                         m = pkts_burst[j];
 828
 829                                         l2fwd_simple_crypto_enqueue(m,
 830                                                         ops_burst[j], cparams);
 831                                 }
 832                         }
 833
 834                         /* Dequeue packets from Crypto device */
 835                         do {
 836                                 nb_rx = rte_cryptodev_dequeue_burst(
 837                                                 cparams->dev_id, cparams->qp_id,
 838                                                 ops_burst, MAX_PKT_BURST);
 839
 840                                 crypto_statistics[cparams->dev_id].dequeued +=
 841                                                 nb_rx;
 842
 843                                 /* Forward crypto'd packets */
 844                                 for (j = 0; j < nb_rx; j++) {
 845                                         m = ops_burst[j]->sym->m_src;
 846
 847                                         rte_crypto_op_free(ops_burst[j]);
 848                                         l2fwd_simple_forward(m, portid);
 849                                 }
 850                         } while (nb_rx == MAX_PKT_BURST);
 851                 }
 852         }
 853 }
 854
 855 static int
 856 l2fwd_launch_one_lcore(void *arg)
 857 {
 858         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 859         return 0;
 860 }
 861
 862 /* Display command line arguments usage */
 863 static void
 864 l2fwd_crypto_usage(const char *prgname)
 865 {
 866         printf("%s [EAL options] --\n"
 867                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 868                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 869                 "  -s manage all ports from single lcore\n"
 870                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 871                 " (0 to disable, 10 default, 86400 maximum)\n"
 872
 873                 "  --cdev_type HW / SW / ANY\n"
 874                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 875
 876                 "  --cipher_algo ALGO\n"
 877                 "  --cipher_op ENCRYPT / DECRYPT\n"
 878                 "  --cipher_key KEY (bytes separated with \":\")\n"
 879                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 880                 "  --iv IV (bytes separated with \":\")\n"
 881                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 882
 883                 "  --auth_algo ALGO\n"
 884                 "  --auth_op GENERATE / VERIFY\n"
 885                 "  --auth_key KEY (bytes separated with \":\")\n"
 886                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 887                 "  --aad AAD (bytes separated with \":\")\n"
 888                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 889                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 890
 891                 "  --sessionless\n",
 892                prgname);
 893 }
 894
 895 /** Parse crypto device type command line argument */
 896 static int
 897 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 898 {
 899         if (strcmp("HW", optarg) == 0) {
 900                 *type = CDEV_TYPE_HW;
 901                 return 0;
 902         } else if (strcmp("SW", optarg) == 0) {
 903                 *type = CDEV_TYPE_SW;
 904                 return 0;
 905         } else if (strcmp("ANY", optarg) == 0) {
 906                 *type = CDEV_TYPE_ANY;
 907                 return 0;
 908         }
 909
 910         return -1;
 911 }
 912
 913 /** Parse crypto chain xform command line argument */
 914 static int
 915 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 916 {
 917         if (strcmp("CIPHER_HASH", optarg) == 0) {
 918                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 919                 return 0;
 920         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 921                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 922                 return 0;
 923         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 924                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 925                 return 0;
 926         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 927                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 928                 return 0;
 929         }
 930
 931         return -1;
 932 }
 933
 934 /** Parse crypto cipher algo option command line argument */
 935 static int
 936 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 937 {
 938         unsigned i;
 939
 940         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 941                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 942                         *algo = (enum rte_crypto_cipher_algorithm)i;
 943                         return 0;
 944                 }
 945         }
 946
 947         printf("Cipher algorithm  not supported!\n");
 948         return -1;
 949 }
 950
 951 /** Parse crypto cipher operation command line argument */
 952 static int
 953 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 954 {
 955         if (strcmp("ENCRYPT", optarg) == 0) {
 956                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 957                 return 0;
 958         } else if (strcmp("DECRYPT", optarg) == 0) {
 959                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 960                 return 0;
 961         }
 962
 963         printf("Cipher operation not supported!\n");
 964         return -1;
 965 }
 966
 967 /** Parse crypto key command line argument */
 968 static int
 969 parse_key(uint8_t *data, char *input_arg)
 970 {
 971         unsigned byte_count;
 972         char *token;
 973
 974         for (byte_count = 0, token = strtok(input_arg, ":");
 975                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 976                         token = strtok(NULL, ":")) {
 977
 978                 int number = (int)strtol(token, NULL, 16);
 979
 980                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 981                         return -1;
 982
 983                 data[byte_count++] = (uint8_t)number;
 984         }
 985
 986         return byte_count;
 987 }
 988
 989 /** Parse size param*/
 990 static int
 991 parse_size(int *size, const char *q_arg)
 992 {
 993         char *end = NULL;
 994         unsigned long n;
 995
 996         /* parse hexadecimal string */
 997         n = strtoul(q_arg, &end, 10);
 998         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 999                 n = 0;
1000
1001         if (n == 0) {
1002                 printf("invalid size\n");
1003                 return -1;
1004         }
1005
1006         *size = n;
1007         return 0;
1008 }
1009
1010 /** Parse crypto cipher operation command line argument */
1011 static int
1012 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1013 {
1014         unsigned i;
1015
1016         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1017                 if (!strcmp(supported_auth_algo[i], optarg)) {
1018                         *algo = (enum rte_crypto_auth_algorithm)i;
1019                         return 0;
1020                 }
1021         }
1022
1023         printf("Authentication algorithm specified not supported!\n");
1024         return -1;
1025 }
1026
1027 static int
1028 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1029 {
1030         if (strcmp("VERIFY", optarg) == 0) {
1031                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1032                 return 0;
1033         } else if (strcmp("GENERATE", optarg) == 0) {
1034                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1035                 return 0;
1036         }
1037
1038         printf("Authentication operation specified not supported!\n");
1039         return -1;
1040 }
1041
1042 /** Parse long options */
1043 static int
1044 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1045                 struct option *lgopts, int option_index)
1046 {
1047         int retval;
1048
1049         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1050                 retval = parse_cryptodev_type(&options->type, optarg);
1051                 if (retval == 0)
1052                         snprintf(options->string_type, MAX_STR_LEN,
1053                                 "%s", optarg);
1054                 return retval;
1055         }
1056
1057         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1058                 return parse_crypto_opt_chain(options, optarg);
1059
1060         /* Cipher options */
1061         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1062                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1063                                 optarg);
1064
1065         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1066                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1067                                 optarg);
1068
1069         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1070                 options->ckey_param = 1;
1071                 options->cipher_xform.cipher.key.length =
1072                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1073                 if (options->cipher_xform.cipher.key.length > 0)
1074                         return 0;
1075                 else
1076                         return -1;
1077         }
1078
1079         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1080                 return parse_size(&options->ckey_random_size, optarg);
1081
1082         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1083                 options->iv_param = 1;
1084                 options->iv.length =
1085                         parse_key(options->iv.data, optarg);
1086                 if (options->iv.length > 0)
1087                         return 0;
1088                 else
1089                         return -1;
1090         }
1091
1092         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1093                 return parse_size(&options->iv_random_size, optarg);
1094
1095         /* Authentication options */
1096         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1097                 return parse_auth_algo(&options->auth_xform.auth.algo,
1098                                 optarg);
1099         }
1100
1101         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1102                 return parse_auth_op(&options->auth_xform.auth.op,
1103                                 optarg);
1104
1105         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1106                 options->akey_param = 1;
1107                 options->auth_xform.auth.key.length =
1108                         parse_key(options->auth_xform.auth.key.data, optarg);
1109                 if (options->auth_xform.auth.key.length > 0)
1110                         return 0;
1111                 else
1112                         return -1;
1113         }
1114
1115         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1116                 return parse_size(&options->akey_random_size, optarg);
1117         }
1118
1119         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1120                 options->aad_param = 1;
1121                 options->aad.length =
1122                         parse_key(options->aad.data, optarg);
1123                 if (options->aad.length > 0)
1124                         return 0;
1125                 else
1126                         return -1;
1127         }
1128
1129         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1130                 return parse_size(&options->aad_random_size, optarg);
1131         }
1132
1133         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1134                 return parse_size(&options->digest_size, optarg);
1135         }
1136
1137         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1138                 options->sessionless = 1;
1139                 return 0;
1140         }
1141
1142         return -1;
1143 }
1144
1145 /** Parse port mask */
1146 static int
1147 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1148                 const char *q_arg)
1149 {
1150         char *end = NULL;
1151         unsigned long pm;
1152
1153         /* parse hexadecimal string */
1154         pm = strtoul(q_arg, &end, 16);
1155         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1156                 pm = 0;
1157
1158         options->portmask = pm;
1159         if (options->portmask == 0) {
1160                 printf("invalid portmask specified\n");
1161                 return -1;
1162         }
1163
1164         return pm;
1165 }
1166
1167 /** Parse number of queues */
1168 static int
1169 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1170                 const char *q_arg)
1171 {
1172         char *end = NULL;
1173         unsigned long n;
1174
1175         /* parse hexadecimal string */
1176         n = strtoul(q_arg, &end, 10);
1177         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1178                 n = 0;
1179         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1180                 n = 0;
1181
1182         options->nb_ports_per_lcore = n;
1183         if (options->nb_ports_per_lcore == 0) {
1184                 printf("invalid number of ports selected\n");
1185                 return -1;
1186         }
1187
1188         return 0;
1189 }
1190
1191 /** Parse timer period */
1192 static int
1193 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1194                 const char *q_arg)
1195 {
1196         char *end = NULL;
1197         unsigned long n;
1198
1199         /* parse number string */
1200         n = (unsigned)strtol(q_arg, &end, 10);
1201         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1202                 n = 0;
1203
1204         if (n >= MAX_TIMER_PERIOD) {
1205                 printf("Warning refresh period specified %lu is greater than "
1206                                 "max value %lu! using max value",
1207                                 n, MAX_TIMER_PERIOD);
1208                 n = MAX_TIMER_PERIOD;
1209         }
1210
1211         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1212
1213         return 0;
1214 }
1215
1216 /** Generate default options for application */
1217 static void
1218 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1219 {
1220         options->portmask = 0xffffffff;
1221         options->nb_ports_per_lcore = 1;
1222         options->refresh_period = 10000;
1223         options->single_lcore = 0;
1224         options->sessionless = 0;
1225
1226         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1227
1228         /* Cipher Data */
1229         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1230         options->cipher_xform.next = NULL;
1231         options->ckey_param = 0;
1232         options->ckey_random_size = -1;
1233         options->cipher_xform.cipher.key.length = 0;
1234         options->iv_param = 0;
1235         options->iv_random_size = -1;
1236         options->iv.length = 0;
1237
1238         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1239         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1240
1241         /* Authentication Data */
1242         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1243         options->auth_xform.next = NULL;
1244         options->akey_param = 0;
1245         options->akey_random_size = -1;
1246         options->auth_xform.auth.key.length = 0;
1247         options->aad_param = 0;
1248         options->aad_random_size = -1;
1249         options->aad.length = 0;
1250         options->digest_size = -1;
1251
1252         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1253         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1254
1255         options->type = CDEV_TYPE_ANY;
1256 }
1257
1258 static void
1259 display_cipher_info(struct l2fwd_crypto_options *options)
1260 {
1261         printf("\n---- Cipher information ---\n");
1262         printf("Algorithm: %s\n",
1263                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1264         rte_hexdump(stdout, "Cipher key:",
1265                         options->cipher_xform.cipher.key.data,
1266                         options->cipher_xform.cipher.key.length);
1267         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1268 }
1269
1270 static void
1271 display_auth_info(struct l2fwd_crypto_options *options)
1272 {
1273         printf("\n---- Authentication information ---\n");
1274         printf("Algorithm: %s\n",
1275                 supported_auth_algo[options->auth_xform.auth.algo]);
1276         rte_hexdump(stdout, "Auth key:",
1277                         options->auth_xform.auth.key.data,
1278                         options->auth_xform.auth.key.length);
1279         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1280 }
1281
1282 static void
1283 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1284 {
1285         char string_cipher_op[MAX_STR_LEN];
1286         char string_auth_op[MAX_STR_LEN];
1287
1288         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1289                 strcpy(string_cipher_op, "Encrypt");
1290         else
1291                 strcpy(string_cipher_op, "Decrypt");
1292
1293         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1294                 strcpy(string_auth_op, "Auth generate");
1295         else
1296                 strcpy(string_auth_op, "Auth verify");
1297
1298         printf("Options:-\nn");
1299         printf("portmask: %x\n", options->portmask);
1300         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1301         printf("refresh period : %u\n", options->refresh_period);
1302         printf("single lcore mode: %s\n",
1303                         options->single_lcore ? "enabled" : "disabled");
1304         printf("stats_printing: %s\n",
1305                         options->refresh_period == 0 ? "disabled" : "enabled");
1306
1307         printf("sessionless crypto: %s\n",
1308                         options->sessionless ? "enabled" : "disabled");
1309
1310         if (options->ckey_param && (options->ckey_random_size != -1))
1311                 printf("Cipher key already parsed, ignoring size of random key\n");
1312
1313         if (options->akey_param && (options->akey_random_size != -1))
1314                 printf("Auth key already parsed, ignoring size of random key\n");
1315
1316         if (options->iv_param && (options->iv_random_size != -1))
1317                 printf("IV already parsed, ignoring size of random IV\n");
1318
1319         if (options->aad_param && (options->aad_random_size != -1))
1320                 printf("AAD already parsed, ignoring size of random AAD\n");
1321
1322         printf("\nCrypto chain: ");
1323         switch (options->xform_chain) {
1324         case L2FWD_CRYPTO_CIPHER_HASH:
1325                 printf("Input --> %s --> %s --> Output\n",
1326                         string_cipher_op, string_auth_op);
1327                 display_cipher_info(options);
1328                 display_auth_info(options);
1329                 break;
1330         case L2FWD_CRYPTO_HASH_CIPHER:
1331                 printf("Input --> %s --> %s --> Output\n",
1332                         string_auth_op, string_cipher_op);
1333                 display_cipher_info(options);
1334                 display_auth_info(options);
1335                 break;
1336         case L2FWD_CRYPTO_HASH_ONLY:
1337                 printf("Input --> %s --> Output\n", string_auth_op);
1338                 display_auth_info(options);
1339                 break;
1340         case L2FWD_CRYPTO_CIPHER_ONLY:
1341                 printf("Input --> %s --> Output\n", string_cipher_op);
1342                 display_cipher_info(options);
1343                 break;
1344         }
1345 }
1346
1347 /* Parse the argument given in the command line of the application */
1348 static int
1349 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1350                 int argc, char **argv)
1351 {
1352         int opt, retval, option_index;
1353         char **argvopt = argv, *prgname = argv[0];
1354
1355         static struct option lgopts[] = {
1356                         { "sessionless", no_argument, 0, 0 },
1357
1358                         { "cdev_type", required_argument, 0, 0 },
1359                         { "chain", required_argument, 0, 0 },
1360
1361                         { "cipher_algo", required_argument, 0, 0 },
1362                         { "cipher_op", required_argument, 0, 0 },
1363                         { "cipher_key", required_argument, 0, 0 },
1364                         { "cipher_key_random_size", required_argument, 0, 0 },
1365
1366                         { "auth_algo", required_argument, 0, 0 },
1367                         { "auth_op", required_argument, 0, 0 },
1368                         { "auth_key", required_argument, 0, 0 },
1369                         { "auth_key_random_size", required_argument, 0, 0 },
1370
1371                         { "iv", required_argument, 0, 0 },
1372                         { "iv_random_size", required_argument, 0, 0 },
1373                         { "aad", required_argument, 0, 0 },
1374                         { "aad_random_size", required_argument, 0, 0 },
1375                         { "digest_size", required_argument, 0, 0 },
1376
1377                         { "sessionless", no_argument, 0, 0 },
1378
1379                         { NULL, 0, 0, 0 }
1380         };
1381
1382         l2fwd_crypto_default_options(options);
1383
1384         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1385                         &option_index)) != EOF) {
1386                 switch (opt) {
1387                 /* long options */
1388                 case 0:
1389                         retval = l2fwd_crypto_parse_args_long_options(options,
1390                                         lgopts, option_index);
1391                         if (retval < 0) {
1392                                 l2fwd_crypto_usage(prgname);
1393                                 return -1;
1394                         }
1395                         break;
1396
1397                 /* portmask */
1398                 case 'p':
1399                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1400                         if (retval < 0) {
1401                                 l2fwd_crypto_usage(prgname);
1402                                 return -1;
1403                         }
1404                         break;
1405
1406                 /* nqueue */
1407                 case 'q':
1408                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1409                         if (retval < 0) {
1410                                 l2fwd_crypto_usage(prgname);
1411                                 return -1;
1412                         }
1413                         break;
1414
1415                 /* single  */
1416                 case 's':
1417                         options->single_lcore = 1;
1418
1419                         break;
1420
1421                 /* timer period */
1422                 case 'T':
1423                         retval = l2fwd_crypto_parse_timer_period(options,
1424                                         optarg);
1425                         if (retval < 0) {
1426                                 l2fwd_crypto_usage(prgname);
1427                                 return -1;
1428                         }
1429                         break;
1430
1431                 default:
1432                         l2fwd_crypto_usage(prgname);
1433                         return -1;
1434                 }
1435         }
1436
1437
1438         if (optind >= 0)
1439                 argv[optind-1] = prgname;
1440
1441         retval = optind-1;
1442         optind = 0; /* reset getopt lib */
1443
1444         return retval;
1445 }
1446
1447 /* Check the link status of all ports in up to 9s, and print them finally */
1448 static void
1449 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1450 {
1451 #define CHECK_INTERVAL 100 /* 100ms */
1452 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1453         uint8_t portid, count, all_ports_up, print_flag = 0;
1454         struct rte_eth_link link;
1455
1456         printf("\nChecking link status");
1457         fflush(stdout);
1458         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1459                 all_ports_up = 1;
1460                 for (portid = 0; portid < port_num; portid++) {
1461                         if ((port_mask & (1 << portid)) == 0)
1462                                 continue;
1463                         memset(&link, 0, sizeof(link));
1464                         rte_eth_link_get_nowait(portid, &link);
1465                         /* print link status if flag set */
1466                         if (print_flag == 1) {
1467                                 if (link.link_status)
1468                                         printf("Port %d Link Up - speed %u "
1469                                                 "Mbps - %s\n", (uint8_t)portid,
1470                                                 (unsigned)link.link_speed,
1471                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1472                                         ("full-duplex") : ("half-duplex\n"));
1473                                 else
1474                                         printf("Port %d Link Down\n",
1475                                                 (uint8_t)portid);
1476                                 continue;
1477                         }
1478                         /* clear all_ports_up flag if any link down */
1479                         if (link.link_status == ETH_LINK_DOWN) {
1480                                 all_ports_up = 0;
1481                                 break;
1482                         }
1483                 }
1484                 /* after finally printing all link status, get out */
1485                 if (print_flag == 1)
1486                         break;
1487
1488                 if (all_ports_up == 0) {
1489                         printf(".");
1490                         fflush(stdout);
1491                         rte_delay_ms(CHECK_INTERVAL);
1492                 }
1493
1494                 /* set the print_flag if all ports up or timeout */
1495                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1496                         print_flag = 1;
1497                         printf("done\n");
1498                 }
1499         }
1500 }
1501
1502 /* Check if device has to be HW/SW or any */
1503 static int
1504 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1505 {
1506         if (options->type == CDEV_TYPE_HW &&
1507                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1508                 return 0;
1509         if (options->type == CDEV_TYPE_SW &&
1510                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1511                 return 0;
1512         if (options->type == CDEV_TYPE_ANY)
1513                 return 0;
1514
1515         return -1;
1516 }
1517
1518 static inline int
1519 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1520                 uint16_t increment)
1521 {
1522         uint16_t supp_size;
1523
1524         /* Single value */
1525         if (increment == 0) {
1526                 if (length == min)
1527                         return 0;
1528                 else
1529                         return -1;
1530         }
1531
1532         /* Range of values */
1533         for (supp_size = min; supp_size <= max; supp_size += increment) {
1534                 if (length == supp_size)
1535                         return 0;
1536         }
1537
1538         return -1;
1539 }
1540 static int
1541 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1542                 uint8_t *enabled_cdevs)
1543 {
1544         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1545         const struct rte_cryptodev_capabilities *cap;
1546         enum rte_crypto_auth_algorithm cap_auth_algo;
1547         enum rte_crypto_auth_algorithm opt_auth_algo;
1548         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1549         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1550         int retval;
1551
1552         cdev_count = rte_cryptodev_count();
1553         if (cdev_count == 0) {
1554                 printf("No crypto devices available\n");
1555                 return -1;
1556         }
1557
1558         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1559                         cdev_id++) {
1560                 struct rte_cryptodev_qp_conf qp_conf;
1561                 struct rte_cryptodev_info dev_info;
1562
1563                 struct rte_cryptodev_config conf = {
1564                         .nb_queue_pairs = 1,
1565                         .socket_id = SOCKET_ID_ANY,
1566                         .session_mp = {
1567                                 .nb_objs = 2048,
1568                                 .cache_size = 64
1569                         }
1570                 };
1571
1572                 rte_cryptodev_info_get(cdev_id, &dev_info);
1573
1574                 /* Set cipher parameters */
1575                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1576                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1577                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1578                         /* Check if device supports cipher algo */
1579                         i = 0;
1580                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1581                         cap = &dev_info.capabilities[i];
1582                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1583                                 cap_cipher_algo = cap->sym.cipher.algo;
1584                                 if (cap->sym.xform_type ==
1585                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1586                                         if (cap_cipher_algo == opt_cipher_algo) {
1587                                                 if (check_type(options, &dev_info) == 0)
1588                                                         break;
1589                                         }
1590                                 }
1591                                 cap = &dev_info.capabilities[++i];
1592                         }
1593
1594                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1595                                 printf("Algorithm %s not supported by cryptodev %u"
1596                                         " or device not of preferred type (%s)\n",
1597                                         supported_cipher_algo[opt_cipher_algo],
1598                                         cdev_id,
1599                                         options->string_type);
1600                                 continue;
1601                         }
1602
1603                         options->block_size = cap->sym.cipher.block_size;
1604                         /*
1605                          * Check if length of provided IV is supported
1606                          * by the algorithm chosen.
1607                          */
1608                         if (options->iv_param) {
1609                                 if (check_supported_size(options->iv.length,
1610                                                 cap->sym.cipher.iv_size.min,
1611                                                 cap->sym.cipher.iv_size.max,
1612                                                 cap->sym.cipher.iv_size.increment)
1613                                                         != 0) {
1614                                         printf("Unsupported IV length\n");
1615                                         return -1;
1616                                 }
1617                         /*
1618                          * Check if length of IV to be randomly generated
1619                          * is supported by the algorithm chosen.
1620                          */
1621                         } else if (options->iv_random_size != -1) {
1622                                 if (check_supported_size(options->iv_random_size,
1623                                                 cap->sym.cipher.iv_size.min,
1624                                                 cap->sym.cipher.iv_size.max,
1625                                                 cap->sym.cipher.iv_size.increment)
1626                                                         != 0) {
1627                                         printf("Unsupported IV length\n");
1628                                         return -1;
1629                                 }
1630                                 options->iv.length = options->iv_random_size;
1631                         /* No size provided, use minimum size. */
1632                         } else
1633                                 options->iv.length = cap->sym.cipher.iv_size.min;
1634
1635                         /*
1636                          * Check if length of provided cipher key is supported
1637                          * by the algorithm chosen.
1638                          */
1639                         if (options->ckey_param) {
1640                                 if (check_supported_size(
1641                                                 options->cipher_xform.cipher.key.length,
1642                                                 cap->sym.cipher.key_size.min,
1643                                                 cap->sym.cipher.key_size.max,
1644                                                 cap->sym.cipher.key_size.increment)
1645                                                         != 0) {
1646                                         printf("Unsupported cipher key length\n");
1647                                         return -1;
1648                                 }
1649                         /*
1650                          * Check if length of the cipher key to be randomly generated
1651                          * is supported by the algorithm chosen.
1652                          */
1653                         } else if (options->ckey_random_size != -1) {
1654                                 if (check_supported_size(options->ckey_random_size,
1655                                                 cap->sym.cipher.key_size.min,
1656                                                 cap->sym.cipher.key_size.max,
1657                                                 cap->sym.cipher.key_size.increment)
1658                                                         != 0) {
1659                                         printf("Unsupported cipher key length\n");
1660                                         return -1;
1661                                 }
1662                                 options->cipher_xform.cipher.key.length =
1663                                                         options->ckey_random_size;
1664                         /* No size provided, use minimum size. */
1665                         } else
1666                                 options->cipher_xform.cipher.key.length =
1667                                                 cap->sym.cipher.key_size.min;
1668
1669                         if (!options->ckey_param)
1670                                 generate_random_key(
1671                                         options->cipher_xform.cipher.key.data,
1672                                         options->cipher_xform.cipher.key.length);
1673
1674                 }
1675
1676                 /* Set auth parameters */
1677                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1678                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1679                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1680                         /* Check if device supports auth algo */
1681                         i = 0;
1682                         opt_auth_algo = options->auth_xform.auth.algo;
1683                         cap = &dev_info.capabilities[i];
1684                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1685                                 cap_auth_algo = cap->sym.auth.algo;
1686                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1687                                                 (cap_auth_algo == opt_auth_algo) &&
1688                                                 (check_type(options, &dev_info) == 0)) {
1689                                         break;
1690                                 }
1691                                 cap = &dev_info.capabilities[++i];
1692                         }
1693
1694                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1695                                 printf("Algorithm %s not supported by cryptodev %u"
1696                                         " or device not of preferred type (%s)\n",
1697                                         supported_auth_algo[opt_auth_algo],
1698                                         cdev_id,
1699                                         options->string_type);
1700                                 continue;
1701                         }
1702
1703                         options->block_size = cap->sym.auth.block_size;
1704                         /*
1705                          * Check if length of provided AAD is supported
1706                          * by the algorithm chosen.
1707                          */
1708                         if (options->aad_param) {
1709                                 if (check_supported_size(options->aad.length,
1710                                                 cap->sym.auth.aad_size.min,
1711                                                 cap->sym.auth.aad_size.max,
1712                                                 cap->sym.auth.aad_size.increment)
1713                                                         != 0) {
1714                                         printf("Unsupported AAD length\n");
1715                                         return -1;
1716                                 }
1717                         /*
1718                          * Check if length of AAD to be randomly generated
1719                          * is supported by the algorithm chosen.
1720                          */
1721                         } else if (options->aad_random_size != -1) {
1722                                 if (check_supported_size(options->aad_random_size,
1723                                                 cap->sym.auth.aad_size.min,
1724                                                 cap->sym.auth.aad_size.max,
1725                                                 cap->sym.auth.aad_size.increment)
1726                                                         != 0) {
1727                                         printf("Unsupported AAD length\n");
1728                                         return -1;
1729                                 }
1730                                 options->aad.length = options->aad_random_size;
1731                         /* No size provided, use minimum size. */
1732                         } else
1733                                 options->aad.length = cap->sym.auth.aad_size.min;
1734
1735                         options->auth_xform.auth.add_auth_data_length =
1736                                                 options->aad.length;
1737
1738                         /*
1739                          * Check if length of provided auth key is supported
1740                          * by the algorithm chosen.
1741                          */
1742                         if (options->akey_param) {
1743                                 if (check_supported_size(
1744                                                 options->auth_xform.auth.key.length,
1745                                                 cap->sym.auth.key_size.min,
1746                                                 cap->sym.auth.key_size.max,
1747                                                 cap->sym.auth.key_size.increment)
1748                                                         != 0) {
1749                                         printf("Unsupported auth key length\n");
1750                                         return -1;
1751                                 }
1752                         /*
1753                          * Check if length of the auth key to be randomly generated
1754                          * is supported by the algorithm chosen.
1755                          */
1756                         } else if (options->akey_random_size != -1) {
1757                                 if (check_supported_size(options->akey_random_size,
1758                                                 cap->sym.auth.key_size.min,
1759                                                 cap->sym.auth.key_size.max,
1760                                                 cap->sym.auth.key_size.increment)
1761                                                         != 0) {
1762                                         printf("Unsupported auth key length\n");
1763                                         return -1;
1764                                 }
1765                                 options->auth_xform.auth.key.length =
1766                                                         options->akey_random_size;
1767                         /* No size provided, use minimum size. */
1768                         } else
1769                                 options->auth_xform.auth.key.length =
1770                                                 cap->sym.auth.key_size.min;
1771
1772                         if (!options->akey_param)
1773                                 generate_random_key(
1774                                         options->auth_xform.auth.key.data,
1775                                         options->auth_xform.auth.key.length);
1776
1777                         /* Check if digest size is supported by the algorithm. */
1778                         if (options->digest_size != -1) {
1779                                 if (check_supported_size(options->digest_size,
1780                                                 cap->sym.auth.digest_size.min,
1781                                                 cap->sym.auth.digest_size.max,
1782                                                 cap->sym.auth.digest_size.increment)
1783                                                         != 0) {
1784                                         printf("Unsupported digest length\n");
1785                                         return -1;
1786                                 }
1787                                 options->auth_xform.auth.digest_length =
1788                                                         options->digest_size;
1789                         /* No size provided, use minimum size. */
1790                         } else
1791                                 options->auth_xform.auth.digest_length =
1792                                                 cap->sym.auth.digest_size.min;
1793                 }
1794
1795                 retval = rte_cryptodev_configure(cdev_id, &conf);
1796                 if (retval < 0) {
1797                         printf("Failed to configure cryptodev %u", cdev_id);
1798                         return -1;
1799                 }
1800
1801                 qp_conf.nb_descriptors = 2048;
1802
1803                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1804                                 SOCKET_ID_ANY);
1805                 if (retval < 0) {
1806                         printf("Failed to setup queue pair %u on cryptodev %u",
1807                                         0, cdev_id);
1808                         return -1;
1809                 }
1810
1811                 retval = rte_cryptodev_start(cdev_id);
1812                 if (retval < 0) {
1813                         printf("Failed to start device %u: error %d\n",
1814                                         cdev_id, retval);
1815                         return -1;
1816                 }
1817
1818                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1819
1820                 enabled_cdevs[cdev_id] = 1;
1821                 enabled_cdev_count++;
1822         }
1823
1824         return enabled_cdev_count;
1825 }
1826
1827 static int
1828 initialize_ports(struct l2fwd_crypto_options *options)
1829 {
1830         uint8_t last_portid, portid;
1831         unsigned enabled_portcount = 0;
1832         unsigned nb_ports = rte_eth_dev_count();
1833
1834         if (nb_ports == 0) {
1835                 printf("No Ethernet ports - bye\n");
1836                 return -1;
1837         }
1838
1839         /* Reset l2fwd_dst_ports */
1840         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1841                 l2fwd_dst_ports[portid] = 0;
1842
1843         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1844                 int retval;
1845
1846                 /* Skip ports that are not enabled */
1847                 if ((options->portmask & (1 << portid)) == 0)
1848                         continue;
1849
1850                 /* init port */
1851                 printf("Initializing port %u... ", (unsigned) portid);
1852                 fflush(stdout);
1853                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1854                 if (retval < 0) {
1855                         printf("Cannot configure device: err=%d, port=%u\n",
1856                                   retval, (unsigned) portid);
1857                         return -1;
1858                 }
1859
1860                 /* init one RX queue */
1861                 fflush(stdout);
1862                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1863                                              rte_eth_dev_socket_id(portid),
1864                                              NULL, l2fwd_pktmbuf_pool);
1865                 if (retval < 0) {
1866                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1867                                         retval, (unsigned) portid);
1868                         return -1;
1869                 }
1870
1871                 /* init one TX queue on each port */
1872                 fflush(stdout);
1873                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1874                                 rte_eth_dev_socket_id(portid),
1875                                 NULL);
1876                 if (retval < 0) {
1877                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1878                                 retval, (unsigned) portid);
1879
1880                         return -1;
1881                 }
1882
1883                 /* Start device */
1884                 retval = rte_eth_dev_start(portid);
1885                 if (retval < 0) {
1886                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1887                                         retval, (unsigned) portid);
1888                         return -1;
1889                 }
1890
1891                 rte_eth_promiscuous_enable(portid);
1892
1893                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1894
1895                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1896                                 (unsigned) portid,
1897                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1898                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1899                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1900                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1901                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1902                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1903
1904                 /* initialize port stats */
1905                 memset(&port_statistics, 0, sizeof(port_statistics));
1906
1907                 /* Setup port forwarding table */
1908                 if (enabled_portcount % 2) {
1909                         l2fwd_dst_ports[portid] = last_portid;
1910                         l2fwd_dst_ports[last_portid] = portid;
1911                 } else {
1912                         last_portid = portid;
1913                 }
1914
1915                 l2fwd_enabled_port_mask |= (1 << portid);
1916                 enabled_portcount++;
1917         }
1918
1919         if (enabled_portcount == 1) {
1920                 l2fwd_dst_ports[last_portid] = last_portid;
1921         } else if (enabled_portcount % 2) {
1922                 printf("odd number of ports in portmask- bye\n");
1923                 return -1;
1924         }
1925
1926         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1927
1928         return enabled_portcount;
1929 }
1930
1931 static void
1932 reserve_key_memory(struct l2fwd_crypto_options *options)
1933 {
1934         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1935                                                 MAX_KEY_SIZE, 0);
1936         if (options->cipher_xform.cipher.key.data == NULL)
1937                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1938
1939
1940         options->auth_xform.auth.key.data = rte_malloc("auth key",
1941                                                 MAX_KEY_SIZE, 0);
1942         if (options->auth_xform.auth.key.data == NULL)
1943                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1944
1945         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1946         if (options->iv.data == NULL)
1947                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1948         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1949
1950         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1951         if (options->aad.data == NULL)
1952                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1953         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1954 }
1955
1956 int
1957 main(int argc, char **argv)
1958 {
1959         struct lcore_queue_conf *qconf;
1960         struct l2fwd_crypto_options options;
1961
1962         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1963         unsigned lcore_id, rx_lcore_id;
1964         int ret, enabled_cdevcount, enabled_portcount;
1965         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1966
1967         /* init EAL */
1968         ret = rte_eal_init(argc, argv);
1969         if (ret < 0)
1970                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1971         argc -= ret;
1972         argv += ret;
1973
1974         /* reserve memory for Cipher/Auth key and IV */
1975         reserve_key_memory(&options);
1976
1977         /* fill out the supported algorithm tables */
1978         fill_supported_algorithm_tables();
1979
1980         /* parse application arguments (after the EAL ones) */
1981         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1982         if (ret < 0)
1983                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1984
1985         /* create the mbuf pool */
1986         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1987                         sizeof(struct rte_crypto_op),
1988                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1989         if (l2fwd_pktmbuf_pool == NULL)
1990                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1991
1992         /* create crypto op pool */
1993         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1994                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1995                         rte_socket_id());
1996         if (l2fwd_crypto_op_pool == NULL)
1997                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1998
1999         /* Enable Ethernet ports */
2000         enabled_portcount = initialize_ports(&options);
2001         if (enabled_portcount < 1)
2002                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2003
2004         nb_ports = rte_eth_dev_count();
2005         /* Initialize the port/queue configuration of each logical core */
2006         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2007                         portid < nb_ports; portid++) {
2008
2009                 /* skip ports that are not enabled */
2010                 if ((options.portmask & (1 << portid)) == 0)
2011                         continue;
2012
2013                 if (options.single_lcore && qconf == NULL) {
2014                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2015                                 rx_lcore_id++;
2016                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2017                                         rte_exit(EXIT_FAILURE,
2018                                                         "Not enough cores\n");
2019                         }
2020                 } else if (!options.single_lcore) {
2021                         /* get the lcore_id for this port */
2022                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2023                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2024                                options.nb_ports_per_lcore) {
2025                                 rx_lcore_id++;
2026                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2027                                         rte_exit(EXIT_FAILURE,
2028                                                         "Not enough cores\n");
2029                         }
2030                 }
2031
2032                 /* Assigned a new logical core in the loop above. */
2033                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2034                         qconf = &lcore_queue_conf[rx_lcore_id];
2035
2036                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2037                 qconf->nb_rx_ports++;
2038
2039                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2040         }
2041
2042         /* Enable Crypto devices */
2043         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2044                         enabled_cdevs);
2045         if (enabled_cdevcount < 0)
2046                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2047
2048         if (enabled_cdevcount < enabled_portcount)
2049                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2050                                 "has to be more or equal to number of ports (%d)\n",
2051                                 enabled_cdevcount, enabled_portcount);
2052
2053         nb_cryptodevs = rte_cryptodev_count();
2054
2055         /* Initialize the port/cryptodev configuration of each logical core */
2056         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2057                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2058                         cdev_id++) {
2059                 /* Crypto op not supported by crypto device */
2060                 if (!enabled_cdevs[cdev_id])
2061                         continue;
2062
2063                 if (options.single_lcore && qconf == NULL) {
2064                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2065                                 rx_lcore_id++;
2066                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2067                                         rte_exit(EXIT_FAILURE,
2068                                                         "Not enough cores\n");
2069                         }
2070                 } else if (!options.single_lcore) {
2071                         /* get the lcore_id for this port */
2072                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2073                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2074                                options.nb_ports_per_lcore) {
2075                                 rx_lcore_id++;
2076                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2077                                         rte_exit(EXIT_FAILURE,
2078                                                         "Not enough cores\n");
2079                         }
2080                 }
2081
2082                 /* Assigned a new logical core in the loop above. */
2083                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2084                         qconf = &lcore_queue_conf[rx_lcore_id];
2085
2086                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2087                 qconf->nb_crypto_devs++;
2088
2089                 enabled_cdevcount--;
2090
2091                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2092                                 (unsigned)cdev_id);
2093         }
2094
2095         /* launch per-lcore init on every lcore */
2096         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2097                         CALL_MASTER);
2098         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2099                 if (rte_eal_wait_lcore(lcore_id) < 0)
2100                         return -1;
2101         }
2102
2103         return 0;
2104 }