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_CRYPTO_MAX_DEVS];
 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   = 1, /**< 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 & (((uint64_t)1) << 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         uint32_t ipdata_offset, data_len;
 436         uint32_t pad_len = 0;
 437         char *padding;
 438
 439         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 440
 441         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 442                 return -1;
 443
 444         ipdata_offset = sizeof(struct ether_hdr);
 445
 446         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 447                         ipdata_offset);
 448
 449         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 450                         * IPV4_IHL_MULTIPLIER;
 451
 452
 453         /* Zero pad data to be crypto'd so it is block aligned */
 454         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 455
 456         if (cparams->do_hash && cparams->hash_verify)
 457                 data_len -= cparams->digest_length;
 458
 459         if (cparams->do_cipher) {
 460                 /*
 461                  * Following algorithms are block cipher algorithms,
 462                  * and might need padding
 463                  */
 464                 switch (cparams->cipher_algo) {
 465                 case RTE_CRYPTO_CIPHER_AES_CBC:
 466                 case RTE_CRYPTO_CIPHER_AES_ECB:
 467                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 468                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 469                         if (data_len % cparams->block_size)
 470                                 pad_len = cparams->block_size -
 471                                         (data_len % cparams->block_size);
 472                         break;
 473                 default:
 474                         pad_len = 0;
 475                 }
 476
 477                 if (pad_len) {
 478                         padding = rte_pktmbuf_append(m, pad_len);
 479                         if (unlikely(!padding))
 480                                 return -1;
 481
 482                         data_len += pad_len;
 483                         memset(padding, 0, pad_len);
 484                 }
 485         }
 486
 487         /* Set crypto operation data parameters */
 488         rte_crypto_op_attach_sym_session(op, cparams->session);
 489
 490         if (cparams->do_hash) {
 491                 if (!cparams->hash_verify) {
 492                         /* Append space for digest to end of packet */
 493                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 494                                 cparams->digest_length);
 495                 } else {
 496                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 497                                 uint8_t *) + ipdata_offset + data_len;
 498                 }
 499
 500                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 501                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 502                 op->sym->auth.digest.length = cparams->digest_length;
 503
 504                 /* For wireless algorithms, offset/length must be in bits */
 505                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 506                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 507                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 508                         op->sym->auth.data.offset = ipdata_offset << 3;
 509                         op->sym->auth.data.length = data_len << 3;
 510                 } else {
 511                         op->sym->auth.data.offset = ipdata_offset;
 512                         op->sym->auth.data.length = data_len;
 513                 }
 514
 515                 if (cparams->aad.length) {
 516                         op->sym->auth.aad.data = cparams->aad.data;
 517                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 518                         op->sym->auth.aad.length = cparams->aad.length;
 519                 } else {
 520                         op->sym->auth.aad.data = NULL;
 521                         op->sym->auth.aad.phys_addr = 0;
 522                         op->sym->auth.aad.length = 0;
 523                 }
 524         }
 525
 526         if (cparams->do_cipher) {
 527                 op->sym->cipher.iv.data = cparams->iv.data;
 528                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 529                 op->sym->cipher.iv.length = cparams->iv.length;
 530
 531                 /* For wireless algorithms, offset/length must be in bits */
 532                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 533                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 534                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 535                         op->sym->cipher.data.offset = ipdata_offset << 3;
 536                         op->sym->cipher.data.length = data_len << 3;
 537                 } else {
 538                         op->sym->cipher.data.offset = ipdata_offset;
 539                         op->sym->cipher.data.length = data_len;
 540                 }
 541         }
 542
 543         op->sym->m_src = m;
 544
 545         return l2fwd_crypto_enqueue(op, cparams);
 546 }
 547
 548
 549 /* Send the burst of packets on an output interface */
 550 static int
 551 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 552                 uint8_t port)
 553 {
 554         struct rte_mbuf **pkt_buffer;
 555         unsigned ret;
 556
 557         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 558
 559         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 560         port_statistics[port].tx += ret;
 561         if (unlikely(ret < n)) {
 562                 port_statistics[port].dropped += (n - ret);
 563                 do {
 564                         rte_pktmbuf_free(pkt_buffer[ret]);
 565                 } while (++ret < n);
 566         }
 567
 568         return 0;
 569 }
 570
 571 /* Enqueue packets for TX and prepare them to be sent */
 572 static int
 573 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 574 {
 575         unsigned lcore_id, len;
 576         struct lcore_queue_conf *qconf;
 577
 578         lcore_id = rte_lcore_id();
 579
 580         qconf = &lcore_queue_conf[lcore_id];
 581         len = qconf->pkt_buf[port].len;
 582         qconf->pkt_buf[port].buffer[len] = m;
 583         len++;
 584
 585         /* enough pkts to be sent */
 586         if (unlikely(len == MAX_PKT_BURST)) {
 587                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 588                 len = 0;
 589         }
 590
 591         qconf->pkt_buf[port].len = len;
 592         return 0;
 593 }
 594
 595 static void
 596 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 597 {
 598         struct ether_hdr *eth;
 599         void *tmp;
 600         unsigned dst_port;
 601
 602         dst_port = l2fwd_dst_ports[portid];
 603         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 604
 605         /* 02:00:00:00:00:xx */
 606         tmp = &eth->d_addr.addr_bytes[0];
 607         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 608
 609         /* src addr */
 610         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 611
 612         l2fwd_send_packet(m, (uint8_t) dst_port);
 613 }
 614
 615 /** Generate random key */
 616 static void
 617 generate_random_key(uint8_t *key, unsigned length)
 618 {
 619         int fd;
 620         int ret;
 621
 622         fd = open("/dev/urandom", O_RDONLY);
 623         if (fd < 0)
 624                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 625
 626         ret = read(fd, key, length);
 627         close(fd);
 628
 629         if (ret != (signed)length)
 630                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 631 }
 632
 633 static struct rte_cryptodev_sym_session *
 634 initialize_crypto_session(struct l2fwd_crypto_options *options,
 635                 uint8_t cdev_id)
 636 {
 637         struct rte_crypto_sym_xform *first_xform;
 638
 639         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 640                 first_xform = &options->cipher_xform;
 641                 first_xform->next = &options->auth_xform;
 642         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 643                 first_xform = &options->auth_xform;
 644                 first_xform->next = &options->cipher_xform;
 645         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 646                 first_xform = &options->cipher_xform;
 647         } else {
 648                 first_xform = &options->auth_xform;
 649         }
 650
 651         /* Setup Cipher Parameters */
 652         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 653 }
 654
 655 static void
 656 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 657
 658 /* main processing loop */
 659 static void
 660 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 661 {
 662         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 663         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 664
 665         unsigned lcore_id = rte_lcore_id();
 666         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 667         unsigned i, j, portid, nb_rx, len;
 668         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 669         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 670                         US_PER_S * BURST_TX_DRAIN_US;
 671         struct l2fwd_crypto_params *cparams;
 672         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 673
 674         if (qconf->nb_rx_ports == 0) {
 675                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 676                 return;
 677         }
 678
 679         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 680
 681         for (i = 0; i < qconf->nb_rx_ports; i++) {
 682
 683                 portid = qconf->rx_port_list[i];
 684                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 685                         portid);
 686         }
 687
 688         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 689                 port_cparams[i].do_cipher = 0;
 690                 port_cparams[i].do_hash = 0;
 691
 692                 switch (options->xform_chain) {
 693                 case L2FWD_CRYPTO_CIPHER_HASH:
 694                 case L2FWD_CRYPTO_HASH_CIPHER:
 695                         port_cparams[i].do_cipher = 1;
 696                         port_cparams[i].do_hash = 1;
 697                         break;
 698                 case L2FWD_CRYPTO_HASH_ONLY:
 699                         port_cparams[i].do_hash = 1;
 700                         break;
 701                 case L2FWD_CRYPTO_CIPHER_ONLY:
 702                         port_cparams[i].do_cipher = 1;
 703                         break;
 704                 }
 705
 706                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 707                 port_cparams[i].qp_id = 0;
 708
 709                 port_cparams[i].block_size = options->block_size;
 710
 711                 if (port_cparams[i].do_hash) {
 712                         port_cparams[i].digest_length =
 713                                         options->auth_xform.auth.digest_length;
 714                         if (options->auth_xform.auth.add_auth_data_length) {
 715                                 port_cparams[i].aad.data = options->aad.data;
 716                                 port_cparams[i].aad.length =
 717                                         options->auth_xform.auth.add_auth_data_length;
 718                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 719                                 if (!options->aad_param)
 720                                         generate_random_key(port_cparams[i].aad.data,
 721                                                 port_cparams[i].aad.length);
 722
 723                         } else
 724                                 port_cparams[i].aad.length = 0;
 725
 726                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 727                                 port_cparams[i].hash_verify = 1;
 728                         else
 729                                 port_cparams[i].hash_verify = 0;
 730
 731                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 732                 }
 733
 734                 if (port_cparams[i].do_cipher) {
 735                         port_cparams[i].iv.data = options->iv.data;
 736                         port_cparams[i].iv.length = options->iv.length;
 737                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 738                         if (!options->iv_param)
 739                                 generate_random_key(port_cparams[i].iv.data,
 740                                                 port_cparams[i].iv.length);
 741
 742                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 743                 }
 744
 745                 port_cparams[i].session = initialize_crypto_session(options,
 746                                 port_cparams[i].dev_id);
 747
 748                 if (port_cparams[i].session == NULL)
 749                         return;
 750                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 751                                 port_cparams[i].dev_id);
 752         }
 753
 754         l2fwd_crypto_options_print(options);
 755
 756         /*
 757          * Initialize previous tsc timestamp before the loop,
 758          * to avoid showing the port statistics immediately,
 759          * so user can see the crypto information.
 760          */
 761         prev_tsc = rte_rdtsc();
 762         while (1) {
 763
 764                 cur_tsc = rte_rdtsc();
 765
 766                 /*
 767                  * Crypto device/TX burst queue drain
 768                  */
 769                 diff_tsc = cur_tsc - prev_tsc;
 770                 if (unlikely(diff_tsc > drain_tsc)) {
 771                         /* Enqueue all crypto ops remaining in buffers */
 772                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 773                                 cparams = &port_cparams[i];
 774                                 len = qconf->op_buf[cparams->dev_id].len;
 775                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 776                                 qconf->op_buf[cparams->dev_id].len = 0;
 777                         }
 778                         /* Transmit all packets remaining in buffers */
 779                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 780                                 if (qconf->pkt_buf[portid].len == 0)
 781                                         continue;
 782                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 783                                                  qconf->pkt_buf[portid].len,
 784                                                  (uint8_t) portid);
 785                                 qconf->pkt_buf[portid].len = 0;
 786                         }
 787
 788                         /* if timer is enabled */
 789                         if (timer_period > 0) {
 790
 791                                 /* advance the timer */
 792                                 timer_tsc += diff_tsc;
 793
 794                                 /* if timer has reached its timeout */
 795                                 if (unlikely(timer_tsc >=
 796                                                 (uint64_t)timer_period)) {
 797
 798                                         /* do this only on master core */
 799                                         if (lcore_id == rte_get_master_lcore()
 800                                                 && options->refresh_period) {
 801                                                 print_stats();
 802                                                 timer_tsc = 0;
 803                                         }
 804                                 }
 805                         }
 806
 807                         prev_tsc = cur_tsc;
 808                 }
 809
 810                 /*
 811                  * Read packet from RX queues
 812                  */
 813                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 814                         portid = qconf->rx_port_list[i];
 815
 816                         cparams = &port_cparams[i];
 817
 818                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 819                                                  pkts_burst, MAX_PKT_BURST);
 820
 821                         port_statistics[portid].rx += nb_rx;
 822
 823                         if (nb_rx) {
 824                                 /*
 825                                  * If we can't allocate a crypto_ops, then drop
 826                                  * the rest of the burst and dequeue and
 827                                  * process the packets to free offload structs
 828                                  */
 829                                 if (rte_crypto_op_bulk_alloc(
 830                                                 l2fwd_crypto_op_pool,
 831                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 832                                                 ops_burst, nb_rx) !=
 833                                                                 nb_rx) {
 834                                         for (j = 0; j < nb_rx; j++)
 835                                                 rte_pktmbuf_free(pkts_burst[j]);
 836
 837                                         nb_rx = 0;
 838                                 }
 839
 840                                 /* Enqueue packets from Crypto device*/
 841                                 for (j = 0; j < nb_rx; j++) {
 842                                         m = pkts_burst[j];
 843
 844                                         l2fwd_simple_crypto_enqueue(m,
 845                                                         ops_burst[j], cparams);
 846                                 }
 847                         }
 848
 849                         /* Dequeue packets from Crypto device */
 850                         do {
 851                                 nb_rx = rte_cryptodev_dequeue_burst(
 852                                                 cparams->dev_id, cparams->qp_id,
 853                                                 ops_burst, MAX_PKT_BURST);
 854
 855                                 crypto_statistics[cparams->dev_id].dequeued +=
 856                                                 nb_rx;
 857
 858                                 /* Forward crypto'd packets */
 859                                 for (j = 0; j < nb_rx; j++) {
 860                                         m = ops_burst[j]->sym->m_src;
 861
 862                                         rte_crypto_op_free(ops_burst[j]);
 863                                         l2fwd_simple_forward(m, portid);
 864                                 }
 865                         } while (nb_rx == MAX_PKT_BURST);
 866                 }
 867         }
 868 }
 869
 870 static int
 871 l2fwd_launch_one_lcore(void *arg)
 872 {
 873         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 874         return 0;
 875 }
 876
 877 /* Display command line arguments usage */
 878 static void
 879 l2fwd_crypto_usage(const char *prgname)
 880 {
 881         printf("%s [EAL options] --\n"
 882                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 883                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 884                 "  -s manage all ports from single lcore\n"
 885                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 886                 " (0 to disable, 10 default, 86400 maximum)\n"
 887
 888                 "  --cdev_type HW / SW / ANY\n"
 889                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 890                 " HASH_ONLY\n"
 891
 892                 "  --cipher_algo ALGO\n"
 893                 "  --cipher_op ENCRYPT / DECRYPT\n"
 894                 "  --cipher_key KEY (bytes separated with \":\")\n"
 895                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 896                 "  --iv IV (bytes separated with \":\")\n"
 897                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 898
 899                 "  --auth_algo ALGO\n"
 900                 "  --auth_op GENERATE / VERIFY\n"
 901                 "  --auth_key KEY (bytes separated with \":\")\n"
 902                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 903                 "  --aad AAD (bytes separated with \":\")\n"
 904                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 905                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 906
 907                 "  --sessionless\n",
 908                prgname);
 909 }
 910
 911 /** Parse crypto device type command line argument */
 912 static int
 913 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 914 {
 915         if (strcmp("HW", optarg) == 0) {
 916                 *type = CDEV_TYPE_HW;
 917                 return 0;
 918         } else if (strcmp("SW", optarg) == 0) {
 919                 *type = CDEV_TYPE_SW;
 920                 return 0;
 921         } else if (strcmp("ANY", optarg) == 0) {
 922                 *type = CDEV_TYPE_ANY;
 923                 return 0;
 924         }
 925
 926         return -1;
 927 }
 928
 929 /** Parse crypto chain xform command line argument */
 930 static int
 931 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 932 {
 933         if (strcmp("CIPHER_HASH", optarg) == 0) {
 934                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 935                 return 0;
 936         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 937                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 938                 return 0;
 939         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 940                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 941                 return 0;
 942         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 943                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 944                 return 0;
 945         }
 946
 947         return -1;
 948 }
 949
 950 /** Parse crypto cipher algo option command line argument */
 951 static int
 952 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 953 {
 954         unsigned i;
 955
 956         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 957                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 958                         *algo = (enum rte_crypto_cipher_algorithm)i;
 959                         return 0;
 960                 }
 961         }
 962
 963         printf("Cipher algorithm  not supported!\n");
 964         return -1;
 965 }
 966
 967 /** Parse crypto cipher operation command line argument */
 968 static int
 969 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 970 {
 971         if (strcmp("ENCRYPT", optarg) == 0) {
 972                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 973                 return 0;
 974         } else if (strcmp("DECRYPT", optarg) == 0) {
 975                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 976                 return 0;
 977         }
 978
 979         printf("Cipher operation not supported!\n");
 980         return -1;
 981 }
 982
 983 /** Parse crypto key command line argument */
 984 static int
 985 parse_key(uint8_t *data, char *input_arg)
 986 {
 987         unsigned byte_count;
 988         char *token;
 989
 990         errno = 0;
 991         for (byte_count = 0, token = strtok(input_arg, ":");
 992                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 993                         token = strtok(NULL, ":")) {
 994
 995                 int number = (int)strtol(token, NULL, 16);
 996
 997                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 998                         return -1;
 999
1000                 data[byte_count++] = (uint8_t)number;
1001         }
1002
1003         return byte_count;
1004 }
1005
1006 /** Parse size param*/
1007 static int
1008 parse_size(int *size, const char *q_arg)
1009 {
1010         char *end = NULL;
1011         unsigned long n;
1012
1013         /* parse hexadecimal string */
1014         n = strtoul(q_arg, &end, 10);
1015         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1016                 n = 0;
1017
1018         if (n == 0) {
1019                 printf("invalid size\n");
1020                 return -1;
1021         }
1022
1023         *size = n;
1024         return 0;
1025 }
1026
1027 /** Parse crypto cipher operation command line argument */
1028 static int
1029 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1030 {
1031         unsigned i;
1032
1033         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1034                 if (!strcmp(supported_auth_algo[i], optarg)) {
1035                         *algo = (enum rte_crypto_auth_algorithm)i;
1036                         return 0;
1037                 }
1038         }
1039
1040         printf("Authentication algorithm specified not supported!\n");
1041         return -1;
1042 }
1043
1044 static int
1045 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1046 {
1047         if (strcmp("VERIFY", optarg) == 0) {
1048                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1049                 return 0;
1050         } else if (strcmp("GENERATE", optarg) == 0) {
1051                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1052                 return 0;
1053         }
1054
1055         printf("Authentication operation specified not supported!\n");
1056         return -1;
1057 }
1058
1059 /** Parse long options */
1060 static int
1061 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1062                 struct option *lgopts, int option_index)
1063 {
1064         int retval;
1065
1066         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1067                 retval = parse_cryptodev_type(&options->type, optarg);
1068                 if (retval == 0)
1069                         snprintf(options->string_type, MAX_STR_LEN,
1070                                 "%s", optarg);
1071                 return retval;
1072         }
1073
1074         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1075                 return parse_crypto_opt_chain(options, optarg);
1076
1077         /* Cipher options */
1078         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1079                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1080                                 optarg);
1081
1082         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1083                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1084                                 optarg);
1085
1086         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1087                 options->ckey_param = 1;
1088                 options->cipher_xform.cipher.key.length =
1089                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1090                 if (options->cipher_xform.cipher.key.length > 0)
1091                         return 0;
1092                 else
1093                         return -1;
1094         }
1095
1096         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1097                 return parse_size(&options->ckey_random_size, optarg);
1098
1099         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1100                 options->iv_param = 1;
1101                 options->iv.length =
1102                         parse_key(options->iv.data, optarg);
1103                 if (options->iv.length > 0)
1104                         return 0;
1105                 else
1106                         return -1;
1107         }
1108
1109         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1110                 return parse_size(&options->iv_random_size, optarg);
1111
1112         /* Authentication options */
1113         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1114                 return parse_auth_algo(&options->auth_xform.auth.algo,
1115                                 optarg);
1116         }
1117
1118         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1119                 return parse_auth_op(&options->auth_xform.auth.op,
1120                                 optarg);
1121
1122         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1123                 options->akey_param = 1;
1124                 options->auth_xform.auth.key.length =
1125                         parse_key(options->auth_xform.auth.key.data, optarg);
1126                 if (options->auth_xform.auth.key.length > 0)
1127                         return 0;
1128                 else
1129                         return -1;
1130         }
1131
1132         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1133                 return parse_size(&options->akey_random_size, optarg);
1134         }
1135
1136         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1137                 options->aad_param = 1;
1138                 options->aad.length =
1139                         parse_key(options->aad.data, optarg);
1140                 if (options->aad.length > 0)
1141                         return 0;
1142                 else
1143                         return -1;
1144         }
1145
1146         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1147                 return parse_size(&options->aad_random_size, optarg);
1148         }
1149
1150         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1151                 return parse_size(&options->digest_size, optarg);
1152         }
1153
1154         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1155                 options->sessionless = 1;
1156                 return 0;
1157         }
1158
1159         return -1;
1160 }
1161
1162 /** Parse port mask */
1163 static int
1164 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1165                 const char *q_arg)
1166 {
1167         char *end = NULL;
1168         unsigned long pm;
1169
1170         /* parse hexadecimal string */
1171         pm = strtoul(q_arg, &end, 16);
1172         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1173                 pm = 0;
1174
1175         options->portmask = pm;
1176         if (options->portmask == 0) {
1177                 printf("invalid portmask specified\n");
1178                 return -1;
1179         }
1180
1181         return pm;
1182 }
1183
1184 /** Parse number of queues */
1185 static int
1186 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1187                 const char *q_arg)
1188 {
1189         char *end = NULL;
1190         unsigned long n;
1191
1192         /* parse hexadecimal string */
1193         n = strtoul(q_arg, &end, 10);
1194         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1195                 n = 0;
1196         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1197                 n = 0;
1198
1199         options->nb_ports_per_lcore = n;
1200         if (options->nb_ports_per_lcore == 0) {
1201                 printf("invalid number of ports selected\n");
1202                 return -1;
1203         }
1204
1205         return 0;
1206 }
1207
1208 /** Parse timer period */
1209 static int
1210 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1211                 const char *q_arg)
1212 {
1213         char *end = NULL;
1214         unsigned long n;
1215
1216         /* parse number string */
1217         n = (unsigned)strtol(q_arg, &end, 10);
1218         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1219                 n = 0;
1220
1221         if (n >= MAX_TIMER_PERIOD) {
1222                 printf("Warning refresh period specified %lu is greater than "
1223                                 "max value %lu! using max value",
1224                                 n, MAX_TIMER_PERIOD);
1225                 n = MAX_TIMER_PERIOD;
1226         }
1227
1228         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1229
1230         return 0;
1231 }
1232
1233 /** Generate default options for application */
1234 static void
1235 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1236 {
1237         options->portmask = 0xffffffff;
1238         options->nb_ports_per_lcore = 1;
1239         options->refresh_period = 10000;
1240         options->single_lcore = 0;
1241         options->sessionless = 0;
1242
1243         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1244
1245         /* Cipher Data */
1246         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1247         options->cipher_xform.next = NULL;
1248         options->ckey_param = 0;
1249         options->ckey_random_size = -1;
1250         options->cipher_xform.cipher.key.length = 0;
1251         options->iv_param = 0;
1252         options->iv_random_size = -1;
1253         options->iv.length = 0;
1254
1255         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1256         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1257
1258         /* Authentication Data */
1259         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1260         options->auth_xform.next = NULL;
1261         options->akey_param = 0;
1262         options->akey_random_size = -1;
1263         options->auth_xform.auth.key.length = 0;
1264         options->aad_param = 0;
1265         options->aad_random_size = -1;
1266         options->aad.length = 0;
1267         options->digest_size = -1;
1268
1269         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1270         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1271
1272         options->type = CDEV_TYPE_ANY;
1273 }
1274
1275 static void
1276 display_cipher_info(struct l2fwd_crypto_options *options)
1277 {
1278         printf("\n---- Cipher information ---\n");
1279         printf("Algorithm: %s\n",
1280                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1281         rte_hexdump(stdout, "Cipher key:",
1282                         options->cipher_xform.cipher.key.data,
1283                         options->cipher_xform.cipher.key.length);
1284         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1285 }
1286
1287 static void
1288 display_auth_info(struct l2fwd_crypto_options *options)
1289 {
1290         printf("\n---- Authentication information ---\n");
1291         printf("Algorithm: %s\n",
1292                 supported_auth_algo[options->auth_xform.auth.algo]);
1293         rte_hexdump(stdout, "Auth key:",
1294                         options->auth_xform.auth.key.data,
1295                         options->auth_xform.auth.key.length);
1296         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1297 }
1298
1299 static void
1300 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1301 {
1302         char string_cipher_op[MAX_STR_LEN];
1303         char string_auth_op[MAX_STR_LEN];
1304
1305         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1306                 strcpy(string_cipher_op, "Encrypt");
1307         else
1308                 strcpy(string_cipher_op, "Decrypt");
1309
1310         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1311                 strcpy(string_auth_op, "Auth generate");
1312         else
1313                 strcpy(string_auth_op, "Auth verify");
1314
1315         printf("Options:-\nn");
1316         printf("portmask: %x\n", options->portmask);
1317         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1318         printf("refresh period : %u\n", options->refresh_period);
1319         printf("single lcore mode: %s\n",
1320                         options->single_lcore ? "enabled" : "disabled");
1321         printf("stats_printing: %s\n",
1322                         options->refresh_period == 0 ? "disabled" : "enabled");
1323
1324         printf("sessionless crypto: %s\n",
1325                         options->sessionless ? "enabled" : "disabled");
1326
1327         if (options->ckey_param && (options->ckey_random_size != -1))
1328                 printf("Cipher key already parsed, ignoring size of random key\n");
1329
1330         if (options->akey_param && (options->akey_random_size != -1))
1331                 printf("Auth key already parsed, ignoring size of random key\n");
1332
1333         if (options->iv_param && (options->iv_random_size != -1))
1334                 printf("IV already parsed, ignoring size of random IV\n");
1335
1336         if (options->aad_param && (options->aad_random_size != -1))
1337                 printf("AAD already parsed, ignoring size of random AAD\n");
1338
1339         printf("\nCrypto chain: ");
1340         switch (options->xform_chain) {
1341         case L2FWD_CRYPTO_CIPHER_HASH:
1342                 printf("Input --> %s --> %s --> Output\n",
1343                         string_cipher_op, string_auth_op);
1344                 display_cipher_info(options);
1345                 display_auth_info(options);
1346                 break;
1347         case L2FWD_CRYPTO_HASH_CIPHER:
1348                 printf("Input --> %s --> %s --> Output\n",
1349                         string_auth_op, string_cipher_op);
1350                 display_cipher_info(options);
1351                 display_auth_info(options);
1352                 break;
1353         case L2FWD_CRYPTO_HASH_ONLY:
1354                 printf("Input --> %s --> Output\n", string_auth_op);
1355                 display_auth_info(options);
1356                 break;
1357         case L2FWD_CRYPTO_CIPHER_ONLY:
1358                 printf("Input --> %s --> Output\n", string_cipher_op);
1359                 display_cipher_info(options);
1360                 break;
1361         }
1362 }
1363
1364 /* Parse the argument given in the command line of the application */
1365 static int
1366 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1367                 int argc, char **argv)
1368 {
1369         int opt, retval, option_index;
1370         char **argvopt = argv, *prgname = argv[0];
1371
1372         static struct option lgopts[] = {
1373                         { "sessionless", no_argument, 0, 0 },
1374
1375                         { "cdev_type", required_argument, 0, 0 },
1376                         { "chain", required_argument, 0, 0 },
1377
1378                         { "cipher_algo", required_argument, 0, 0 },
1379                         { "cipher_op", required_argument, 0, 0 },
1380                         { "cipher_key", required_argument, 0, 0 },
1381                         { "cipher_key_random_size", required_argument, 0, 0 },
1382
1383                         { "auth_algo", required_argument, 0, 0 },
1384                         { "auth_op", required_argument, 0, 0 },
1385                         { "auth_key", required_argument, 0, 0 },
1386                         { "auth_key_random_size", required_argument, 0, 0 },
1387
1388                         { "iv", required_argument, 0, 0 },
1389                         { "iv_random_size", required_argument, 0, 0 },
1390                         { "aad", required_argument, 0, 0 },
1391                         { "aad_random_size", required_argument, 0, 0 },
1392                         { "digest_size", required_argument, 0, 0 },
1393
1394                         { "sessionless", no_argument, 0, 0 },
1395
1396                         { NULL, 0, 0, 0 }
1397         };
1398
1399         l2fwd_crypto_default_options(options);
1400
1401         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1402                         &option_index)) != EOF) {
1403                 switch (opt) {
1404                 /* long options */
1405                 case 0:
1406                         retval = l2fwd_crypto_parse_args_long_options(options,
1407                                         lgopts, option_index);
1408                         if (retval < 0) {
1409                                 l2fwd_crypto_usage(prgname);
1410                                 return -1;
1411                         }
1412                         break;
1413
1414                 /* portmask */
1415                 case 'p':
1416                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1417                         if (retval < 0) {
1418                                 l2fwd_crypto_usage(prgname);
1419                                 return -1;
1420                         }
1421                         break;
1422
1423                 /* nqueue */
1424                 case 'q':
1425                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1426                         if (retval < 0) {
1427                                 l2fwd_crypto_usage(prgname);
1428                                 return -1;
1429                         }
1430                         break;
1431
1432                 /* single  */
1433                 case 's':
1434                         options->single_lcore = 1;
1435
1436                         break;
1437
1438                 /* timer period */
1439                 case 'T':
1440                         retval = l2fwd_crypto_parse_timer_period(options,
1441                                         optarg);
1442                         if (retval < 0) {
1443                                 l2fwd_crypto_usage(prgname);
1444                                 return -1;
1445                         }
1446                         break;
1447
1448                 default:
1449                         l2fwd_crypto_usage(prgname);
1450                         return -1;
1451                 }
1452         }
1453
1454
1455         if (optind >= 0)
1456                 argv[optind-1] = prgname;
1457
1458         retval = optind-1;
1459         optind = 0; /* reset getopt lib */
1460
1461         return retval;
1462 }
1463
1464 /* Check the link status of all ports in up to 9s, and print them finally */
1465 static void
1466 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1467 {
1468 #define CHECK_INTERVAL 100 /* 100ms */
1469 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1470         uint8_t portid, count, all_ports_up, print_flag = 0;
1471         struct rte_eth_link link;
1472
1473         printf("\nChecking link status");
1474         fflush(stdout);
1475         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1476                 all_ports_up = 1;
1477                 for (portid = 0; portid < port_num; portid++) {
1478                         if ((port_mask & (1 << portid)) == 0)
1479                                 continue;
1480                         memset(&link, 0, sizeof(link));
1481                         rte_eth_link_get_nowait(portid, &link);
1482                         /* print link status if flag set */
1483                         if (print_flag == 1) {
1484                                 if (link.link_status)
1485                                         printf("Port %d Link Up - speed %u "
1486                                                 "Mbps - %s\n", (uint8_t)portid,
1487                                                 (unsigned)link.link_speed,
1488                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1489                                         ("full-duplex") : ("half-duplex\n"));
1490                                 else
1491                                         printf("Port %d Link Down\n",
1492                                                 (uint8_t)portid);
1493                                 continue;
1494                         }
1495                         /* clear all_ports_up flag if any link down */
1496                         if (link.link_status == ETH_LINK_DOWN) {
1497                                 all_ports_up = 0;
1498                                 break;
1499                         }
1500                 }
1501                 /* after finally printing all link status, get out */
1502                 if (print_flag == 1)
1503                         break;
1504
1505                 if (all_ports_up == 0) {
1506                         printf(".");
1507                         fflush(stdout);
1508                         rte_delay_ms(CHECK_INTERVAL);
1509                 }
1510
1511                 /* set the print_flag if all ports up or timeout */
1512                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1513                         print_flag = 1;
1514                         printf("done\n");
1515                 }
1516         }
1517 }
1518
1519 /* Check if device has to be HW/SW or any */
1520 static int
1521 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1522 {
1523         if (options->type == CDEV_TYPE_HW &&
1524                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1525                 return 0;
1526         if (options->type == CDEV_TYPE_SW &&
1527                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1528                 return 0;
1529         if (options->type == CDEV_TYPE_ANY)
1530                 return 0;
1531
1532         return -1;
1533 }
1534
1535 static inline int
1536 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1537                 uint16_t increment)
1538 {
1539         uint16_t supp_size;
1540
1541         /* Single value */
1542         if (increment == 0) {
1543                 if (length == min)
1544                         return 0;
1545                 else
1546                         return -1;
1547         }
1548
1549         /* Range of values */
1550         for (supp_size = min; supp_size <= max; supp_size += increment) {
1551                 if (length == supp_size)
1552                         return 0;
1553         }
1554
1555         return -1;
1556 }
1557 static int
1558 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1559                 uint8_t *enabled_cdevs)
1560 {
1561         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1562         const struct rte_cryptodev_capabilities *cap;
1563         enum rte_crypto_auth_algorithm cap_auth_algo;
1564         enum rte_crypto_auth_algorithm opt_auth_algo;
1565         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1566         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1567         int retval;
1568
1569         cdev_count = rte_cryptodev_count();
1570         if (cdev_count == 0) {
1571                 printf("No crypto devices available\n");
1572                 return -1;
1573         }
1574
1575         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1576                         cdev_id++) {
1577                 struct rte_cryptodev_qp_conf qp_conf;
1578                 struct rte_cryptodev_info dev_info;
1579
1580                 struct rte_cryptodev_config conf = {
1581                         .nb_queue_pairs = 1,
1582                         .socket_id = SOCKET_ID_ANY,
1583                         .session_mp = {
1584                                 .nb_objs = 2048,
1585                                 .cache_size = 64
1586                         }
1587                 };
1588
1589                 rte_cryptodev_info_get(cdev_id, &dev_info);
1590
1591                 /* Set cipher parameters */
1592                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1593                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1594                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1595                         /* Check if device supports cipher algo */
1596                         i = 0;
1597                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1598                         cap = &dev_info.capabilities[i];
1599                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1600                                 cap_cipher_algo = cap->sym.cipher.algo;
1601                                 if (cap->sym.xform_type ==
1602                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1603                                         if (cap_cipher_algo == opt_cipher_algo) {
1604                                                 if (check_type(options, &dev_info) == 0)
1605                                                         break;
1606                                         }
1607                                 }
1608                                 cap = &dev_info.capabilities[++i];
1609                         }
1610
1611                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1612                                 printf("Algorithm %s not supported by cryptodev %u"
1613                                         " or device not of preferred type (%s)\n",
1614                                         supported_cipher_algo[opt_cipher_algo],
1615                                         cdev_id,
1616                                         options->string_type);
1617                                 continue;
1618                         }
1619
1620                         options->block_size = cap->sym.cipher.block_size;
1621                         /*
1622                          * Check if length of provided IV is supported
1623                          * by the algorithm chosen.
1624                          */
1625                         if (options->iv_param) {
1626                                 if (check_supported_size(options->iv.length,
1627                                                 cap->sym.cipher.iv_size.min,
1628                                                 cap->sym.cipher.iv_size.max,
1629                                                 cap->sym.cipher.iv_size.increment)
1630                                                         != 0) {
1631                                         printf("Unsupported IV length\n");
1632                                         return -1;
1633                                 }
1634                         /*
1635                          * Check if length of IV to be randomly generated
1636                          * is supported by the algorithm chosen.
1637                          */
1638                         } else if (options->iv_random_size != -1) {
1639                                 if (check_supported_size(options->iv_random_size,
1640                                                 cap->sym.cipher.iv_size.min,
1641                                                 cap->sym.cipher.iv_size.max,
1642                                                 cap->sym.cipher.iv_size.increment)
1643                                                         != 0) {
1644                                         printf("Unsupported IV length\n");
1645                                         return -1;
1646                                 }
1647                                 options->iv.length = options->iv_random_size;
1648                         /* No size provided, use minimum size. */
1649                         } else
1650                                 options->iv.length = cap->sym.cipher.iv_size.min;
1651
1652                         /*
1653                          * Check if length of provided cipher key is supported
1654                          * by the algorithm chosen.
1655                          */
1656                         if (options->ckey_param) {
1657                                 if (check_supported_size(
1658                                                 options->cipher_xform.cipher.key.length,
1659                                                 cap->sym.cipher.key_size.min,
1660                                                 cap->sym.cipher.key_size.max,
1661                                                 cap->sym.cipher.key_size.increment)
1662                                                         != 0) {
1663                                         printf("Unsupported cipher key length\n");
1664                                         return -1;
1665                                 }
1666                         /*
1667                          * Check if length of the cipher key to be randomly generated
1668                          * is supported by the algorithm chosen.
1669                          */
1670                         } else if (options->ckey_random_size != -1) {
1671                                 if (check_supported_size(options->ckey_random_size,
1672                                                 cap->sym.cipher.key_size.min,
1673                                                 cap->sym.cipher.key_size.max,
1674                                                 cap->sym.cipher.key_size.increment)
1675                                                         != 0) {
1676                                         printf("Unsupported cipher key length\n");
1677                                         return -1;
1678                                 }
1679                                 options->cipher_xform.cipher.key.length =
1680                                                         options->ckey_random_size;
1681                         /* No size provided, use minimum size. */
1682                         } else
1683                                 options->cipher_xform.cipher.key.length =
1684                                                 cap->sym.cipher.key_size.min;
1685
1686                         if (!options->ckey_param)
1687                                 generate_random_key(
1688                                         options->cipher_xform.cipher.key.data,
1689                                         options->cipher_xform.cipher.key.length);
1690
1691                 }
1692
1693                 /* Set auth parameters */
1694                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1695                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1696                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1697                         /* Check if device supports auth algo */
1698                         i = 0;
1699                         opt_auth_algo = options->auth_xform.auth.algo;
1700                         cap = &dev_info.capabilities[i];
1701                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1702                                 cap_auth_algo = cap->sym.auth.algo;
1703                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1704                                                 (cap_auth_algo == opt_auth_algo) &&
1705                                                 (check_type(options, &dev_info) == 0)) {
1706                                         break;
1707                                 }
1708                                 cap = &dev_info.capabilities[++i];
1709                         }
1710
1711                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1712                                 printf("Algorithm %s not supported by cryptodev %u"
1713                                         " or device not of preferred type (%s)\n",
1714                                         supported_auth_algo[opt_auth_algo],
1715                                         cdev_id,
1716                                         options->string_type);
1717                                 continue;
1718                         }
1719
1720                         /*
1721                          * Check if length of provided AAD is supported
1722                          * by the algorithm chosen.
1723                          */
1724                         if (options->aad_param) {
1725                                 if (check_supported_size(options->aad.length,
1726                                                 cap->sym.auth.aad_size.min,
1727                                                 cap->sym.auth.aad_size.max,
1728                                                 cap->sym.auth.aad_size.increment)
1729                                                         != 0) {
1730                                         printf("Unsupported AAD length\n");
1731                                         return -1;
1732                                 }
1733                         /*
1734                          * Check if length of AAD to be randomly generated
1735                          * is supported by the algorithm chosen.
1736                          */
1737                         } else if (options->aad_random_size != -1) {
1738                                 if (check_supported_size(options->aad_random_size,
1739                                                 cap->sym.auth.aad_size.min,
1740                                                 cap->sym.auth.aad_size.max,
1741                                                 cap->sym.auth.aad_size.increment)
1742                                                         != 0) {
1743                                         printf("Unsupported AAD length\n");
1744                                         return -1;
1745                                 }
1746                                 options->aad.length = options->aad_random_size;
1747                         /* No size provided, use minimum size. */
1748                         } else
1749                                 options->aad.length = cap->sym.auth.aad_size.min;
1750
1751                         options->auth_xform.auth.add_auth_data_length =
1752                                                 options->aad.length;
1753
1754                         /*
1755                          * Check if length of provided auth key is supported
1756                          * by the algorithm chosen.
1757                          */
1758                         if (options->akey_param) {
1759                                 if (check_supported_size(
1760                                                 options->auth_xform.auth.key.length,
1761                                                 cap->sym.auth.key_size.min,
1762                                                 cap->sym.auth.key_size.max,
1763                                                 cap->sym.auth.key_size.increment)
1764                                                         != 0) {
1765                                         printf("Unsupported auth key length\n");
1766                                         return -1;
1767                                 }
1768                         /*
1769                          * Check if length of the auth key to be randomly generated
1770                          * is supported by the algorithm chosen.
1771                          */
1772                         } else if (options->akey_random_size != -1) {
1773                                 if (check_supported_size(options->akey_random_size,
1774                                                 cap->sym.auth.key_size.min,
1775                                                 cap->sym.auth.key_size.max,
1776                                                 cap->sym.auth.key_size.increment)
1777                                                         != 0) {
1778                                         printf("Unsupported auth key length\n");
1779                                         return -1;
1780                                 }
1781                                 options->auth_xform.auth.key.length =
1782                                                         options->akey_random_size;
1783                         /* No size provided, use minimum size. */
1784                         } else
1785                                 options->auth_xform.auth.key.length =
1786                                                 cap->sym.auth.key_size.min;
1787
1788                         if (!options->akey_param)
1789                                 generate_random_key(
1790                                         options->auth_xform.auth.key.data,
1791                                         options->auth_xform.auth.key.length);
1792
1793                         /* Check if digest size is supported by the algorithm. */
1794                         if (options->digest_size != -1) {
1795                                 if (check_supported_size(options->digest_size,
1796                                                 cap->sym.auth.digest_size.min,
1797                                                 cap->sym.auth.digest_size.max,
1798                                                 cap->sym.auth.digest_size.increment)
1799                                                         != 0) {
1800                                         printf("Unsupported digest length\n");
1801                                         return -1;
1802                                 }
1803                                 options->auth_xform.auth.digest_length =
1804                                                         options->digest_size;
1805                         /* No size provided, use minimum size. */
1806                         } else
1807                                 options->auth_xform.auth.digest_length =
1808                                                 cap->sym.auth.digest_size.min;
1809                 }
1810
1811                 retval = rte_cryptodev_configure(cdev_id, &conf);
1812                 if (retval < 0) {
1813                         printf("Failed to configure cryptodev %u", cdev_id);
1814                         return -1;
1815                 }
1816
1817                 qp_conf.nb_descriptors = 2048;
1818
1819                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1820                                 SOCKET_ID_ANY);
1821                 if (retval < 0) {
1822                         printf("Failed to setup queue pair %u on cryptodev %u",
1823                                         0, cdev_id);
1824                         return -1;
1825                 }
1826
1827                 retval = rte_cryptodev_start(cdev_id);
1828                 if (retval < 0) {
1829                         printf("Failed to start device %u: error %d\n",
1830                                         cdev_id, retval);
1831                         return -1;
1832                 }
1833
1834                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1835
1836                 enabled_cdevs[cdev_id] = 1;
1837                 enabled_cdev_count++;
1838         }
1839
1840         return enabled_cdev_count;
1841 }
1842
1843 static int
1844 initialize_ports(struct l2fwd_crypto_options *options)
1845 {
1846         uint8_t last_portid, portid;
1847         unsigned enabled_portcount = 0;
1848         unsigned nb_ports = rte_eth_dev_count();
1849
1850         if (nb_ports == 0) {
1851                 printf("No Ethernet ports - bye\n");
1852                 return -1;
1853         }
1854
1855         /* Reset l2fwd_dst_ports */
1856         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1857                 l2fwd_dst_ports[portid] = 0;
1858
1859         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1860                 int retval;
1861
1862                 /* Skip ports that are not enabled */
1863                 if ((options->portmask & (1 << portid)) == 0)
1864                         continue;
1865
1866                 /* init port */
1867                 printf("Initializing port %u... ", (unsigned) portid);
1868                 fflush(stdout);
1869                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1870                 if (retval < 0) {
1871                         printf("Cannot configure device: err=%d, port=%u\n",
1872                                   retval, (unsigned) portid);
1873                         return -1;
1874                 }
1875
1876                 /* init one RX queue */
1877                 fflush(stdout);
1878                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1879                                              rte_eth_dev_socket_id(portid),
1880                                              NULL, l2fwd_pktmbuf_pool);
1881                 if (retval < 0) {
1882                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1883                                         retval, (unsigned) portid);
1884                         return -1;
1885                 }
1886
1887                 /* init one TX queue on each port */
1888                 fflush(stdout);
1889                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1890                                 rte_eth_dev_socket_id(portid),
1891                                 NULL);
1892                 if (retval < 0) {
1893                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1894                                 retval, (unsigned) portid);
1895
1896                         return -1;
1897                 }
1898
1899                 /* Start device */
1900                 retval = rte_eth_dev_start(portid);
1901                 if (retval < 0) {
1902                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1903                                         retval, (unsigned) portid);
1904                         return -1;
1905                 }
1906
1907                 rte_eth_promiscuous_enable(portid);
1908
1909                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1910
1911                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1912                                 (unsigned) portid,
1913                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1914                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1915                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1916                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1917                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1918                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1919
1920                 /* initialize port stats */
1921                 memset(&port_statistics, 0, sizeof(port_statistics));
1922
1923                 /* Setup port forwarding table */
1924                 if (enabled_portcount % 2) {
1925                         l2fwd_dst_ports[portid] = last_portid;
1926                         l2fwd_dst_ports[last_portid] = portid;
1927                 } else {
1928                         last_portid = portid;
1929                 }
1930
1931                 l2fwd_enabled_port_mask |= (1 << portid);
1932                 enabled_portcount++;
1933         }
1934
1935         if (enabled_portcount == 1) {
1936                 l2fwd_dst_ports[last_portid] = last_portid;
1937         } else if (enabled_portcount % 2) {
1938                 printf("odd number of ports in portmask- bye\n");
1939                 return -1;
1940         }
1941
1942         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1943
1944         return enabled_portcount;
1945 }
1946
1947 static void
1948 reserve_key_memory(struct l2fwd_crypto_options *options)
1949 {
1950         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1951                                                 MAX_KEY_SIZE, 0);
1952         if (options->cipher_xform.cipher.key.data == NULL)
1953                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1954
1955
1956         options->auth_xform.auth.key.data = rte_malloc("auth key",
1957                                                 MAX_KEY_SIZE, 0);
1958         if (options->auth_xform.auth.key.data == NULL)
1959                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1960
1961         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1962         if (options->iv.data == NULL)
1963                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1964         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1965
1966         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1967         if (options->aad.data == NULL)
1968                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1969         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1970 }
1971
1972 int
1973 main(int argc, char **argv)
1974 {
1975         struct lcore_queue_conf *qconf;
1976         struct l2fwd_crypto_options options;
1977
1978         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1979         unsigned lcore_id, rx_lcore_id;
1980         int ret, enabled_cdevcount, enabled_portcount;
1981         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1982
1983         /* init EAL */
1984         ret = rte_eal_init(argc, argv);
1985         if (ret < 0)
1986                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1987         argc -= ret;
1988         argv += ret;
1989
1990         /* reserve memory for Cipher/Auth key and IV */
1991         reserve_key_memory(&options);
1992
1993         /* fill out the supported algorithm tables */
1994         fill_supported_algorithm_tables();
1995
1996         /* parse application arguments (after the EAL ones) */
1997         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1998         if (ret < 0)
1999                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2000
2001         /* create the mbuf pool */
2002         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2003                         sizeof(struct rte_crypto_op),
2004                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2005         if (l2fwd_pktmbuf_pool == NULL)
2006                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2007
2008         /* create crypto op pool */
2009         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2010                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
2011                         rte_socket_id());
2012         if (l2fwd_crypto_op_pool == NULL)
2013                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2014
2015         /* Enable Ethernet ports */
2016         enabled_portcount = initialize_ports(&options);
2017         if (enabled_portcount < 1)
2018                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2019
2020         nb_ports = rte_eth_dev_count();
2021         /* Initialize the port/queue configuration of each logical core */
2022         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2023                         portid < nb_ports; portid++) {
2024
2025                 /* skip ports that are not enabled */
2026                 if ((options.portmask & (1 << portid)) == 0)
2027                         continue;
2028
2029                 if (options.single_lcore && qconf == NULL) {
2030                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2031                                 rx_lcore_id++;
2032                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2033                                         rte_exit(EXIT_FAILURE,
2034                                                         "Not enough cores\n");
2035                         }
2036                 } else if (!options.single_lcore) {
2037                         /* get the lcore_id for this port */
2038                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2039                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2040                                options.nb_ports_per_lcore) {
2041                                 rx_lcore_id++;
2042                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2043                                         rte_exit(EXIT_FAILURE,
2044                                                         "Not enough cores\n");
2045                         }
2046                 }
2047
2048                 /* Assigned a new logical core in the loop above. */
2049                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2050                         qconf = &lcore_queue_conf[rx_lcore_id];
2051
2052                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2053                 qconf->nb_rx_ports++;
2054
2055                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2056         }
2057
2058         /* Enable Crypto devices */
2059         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2060                         enabled_cdevs);
2061         if (enabled_cdevcount < 0)
2062                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2063
2064         if (enabled_cdevcount < enabled_portcount)
2065                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2066                                 "has to be more or equal to number of ports (%d)\n",
2067                                 enabled_cdevcount, enabled_portcount);
2068
2069         nb_cryptodevs = rte_cryptodev_count();
2070
2071         /* Initialize the port/cryptodev configuration of each logical core */
2072         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2073                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2074                         cdev_id++) {
2075                 /* Crypto op not supported by crypto device */
2076                 if (!enabled_cdevs[cdev_id])
2077                         continue;
2078
2079                 if (options.single_lcore && qconf == NULL) {
2080                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2081                                 rx_lcore_id++;
2082                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2083                                         rte_exit(EXIT_FAILURE,
2084                                                         "Not enough cores\n");
2085                         }
2086                 } else if (!options.single_lcore) {
2087                         /* get the lcore_id for this port */
2088                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2089                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2090                                options.nb_ports_per_lcore) {
2091                                 rx_lcore_id++;
2092                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2093                                         rte_exit(EXIT_FAILURE,
2094                                                         "Not enough cores\n");
2095                         }
2096                 }
2097
2098                 /* Assigned a new logical core in the loop above. */
2099                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2100                         qconf = &lcore_queue_conf[rx_lcore_id];
2101
2102                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2103                 qconf->nb_crypto_devs++;
2104
2105                 enabled_cdevcount--;
2106
2107                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2108                                 (unsigned)cdev_id);
2109         }
2110
2111         /* launch per-lcore init on every lcore */
2112         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2113                         CALL_MASTER);
2114         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2115                 if (rte_eal_wait_lcore(lcore_id) < 0)
2116                         return -1;
2117         }
2118
2119         return 0;
2120 }