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   = 0, /**< CRC stripped by hardware */
 219         },
 220         .txmode = {
 221                 .mq_mode = ETH_MQ_TX_NONE,
 222         },
 223 };
 224
 225 struct rte_mempool *l2fwd_pktmbuf_pool;
 226 struct rte_mempool *l2fwd_crypto_op_pool;
 227
 228 /* Per-port statistics struct */
 229 struct l2fwd_port_statistics {
 230         uint64_t tx;
 231         uint64_t rx;
 232
 233         uint64_t crypto_enqueued;
 234         uint64_t crypto_dequeued;
 235
 236         uint64_t dropped;
 237 } __rte_cache_aligned;
 238
 239 struct l2fwd_crypto_statistics {
 240         uint64_t enqueued;
 241         uint64_t dequeued;
 242
 243         uint64_t errors;
 244 } __rte_cache_aligned;
 245
 246 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 247 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 248
 249 /* A tsc-based timer responsible for triggering statistics printout */
 250 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 251 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 252
 253 /* default period is 10 seconds */
 254 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 255
 256 /* Print out statistics on packets dropped */
 257 static void
 258 print_stats(void)
 259 {
 260         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 261         uint64_t total_packets_enqueued, total_packets_dequeued,
 262                 total_packets_errors;
 263         unsigned portid;
 264         uint64_t cdevid;
 265
 266         total_packets_dropped = 0;
 267         total_packets_tx = 0;
 268         total_packets_rx = 0;
 269         total_packets_enqueued = 0;
 270         total_packets_dequeued = 0;
 271         total_packets_errors = 0;
 272
 273         const char clr[] = { 27, '[', '2', 'J', '\0' };
 274         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 275
 276                 /* Clear screen and move to top left */
 277         printf("%s%s", clr, topLeft);
 278
 279         printf("\nPort statistics ====================================");
 280
 281         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 282                 /* skip disabled ports */
 283                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 284                         continue;
 285                 printf("\nStatistics for port %u ------------------------------"
 286                            "\nPackets sent: %32"PRIu64
 287                            "\nPackets received: %28"PRIu64
 288                            "\nPackets dropped: %29"PRIu64,
 289                            portid,
 290                            port_statistics[portid].tx,
 291                            port_statistics[portid].rx,
 292                            port_statistics[portid].dropped);
 293
 294                 total_packets_dropped += port_statistics[portid].dropped;
 295                 total_packets_tx += port_statistics[portid].tx;
 296                 total_packets_rx += port_statistics[portid].rx;
 297         }
 298         printf("\nCrypto statistics ==================================");
 299
 300         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 301                 /* skip disabled ports */
 302                 if ((l2fwd_enabled_crypto_mask & (((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_DES_CBC:
 468                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 469                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 470                         if (data_len % cparams->block_size)
 471                                 pad_len = cparams->block_size -
 472                                         (data_len % cparams->block_size);
 473                         break;
 474                 default:
 475                         pad_len = 0;
 476                 }
 477
 478                 if (pad_len) {
 479                         padding = rte_pktmbuf_append(m, pad_len);
 480                         if (unlikely(!padding))
 481                                 return -1;
 482
 483                         data_len += pad_len;
 484                         memset(padding, 0, pad_len);
 485                 }
 486         }
 487
 488         /* Set crypto operation data parameters */
 489         rte_crypto_op_attach_sym_session(op, cparams->session);
 490
 491         if (cparams->do_hash) {
 492                 if (!cparams->hash_verify) {
 493                         /* Append space for digest to end of packet */
 494                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 495                                 cparams->digest_length);
 496                 } else {
 497                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 498                                 uint8_t *) + ipdata_offset + data_len;
 499                 }
 500
 501                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 502                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 503                 op->sym->auth.digest.length = cparams->digest_length;
 504
 505                 /* For wireless algorithms, offset/length must be in bits */
 506                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 507                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 508                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 509                         op->sym->auth.data.offset = ipdata_offset << 3;
 510                         op->sym->auth.data.length = data_len << 3;
 511                 } else {
 512                         op->sym->auth.data.offset = ipdata_offset;
 513                         op->sym->auth.data.length = data_len;
 514                 }
 515
 516                 if (cparams->aad.length) {
 517                         op->sym->auth.aad.data = cparams->aad.data;
 518                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 519                         op->sym->auth.aad.length = cparams->aad.length;
 520                 }
 521         }
 522
 523         if (cparams->do_cipher) {
 524                 op->sym->cipher.iv.data = cparams->iv.data;
 525                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 526                 op->sym->cipher.iv.length = cparams->iv.length;
 527
 528                 /* For wireless algorithms, offset/length must be in bits */
 529                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 530                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 531                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 532                         op->sym->cipher.data.offset = ipdata_offset << 3;
 533                         op->sym->cipher.data.length = data_len << 3;
 534                 } else {
 535                         op->sym->cipher.data.offset = ipdata_offset;
 536                         op->sym->cipher.data.length = data_len;
 537                 }
 538         }
 539
 540         op->sym->m_src = m;
 541
 542         return l2fwd_crypto_enqueue(op, cparams);
 543 }
 544
 545
 546 /* Send the burst of packets on an output interface */
 547 static int
 548 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 549                 uint8_t port)
 550 {
 551         struct rte_mbuf **pkt_buffer;
 552         unsigned ret;
 553
 554         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 555
 556         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 557         port_statistics[port].tx += ret;
 558         if (unlikely(ret < n)) {
 559                 port_statistics[port].dropped += (n - ret);
 560                 do {
 561                         rte_pktmbuf_free(pkt_buffer[ret]);
 562                 } while (++ret < n);
 563         }
 564
 565         return 0;
 566 }
 567
 568 /* Enqueue packets for TX and prepare them to be sent */
 569 static int
 570 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 571 {
 572         unsigned lcore_id, len;
 573         struct lcore_queue_conf *qconf;
 574
 575         lcore_id = rte_lcore_id();
 576
 577         qconf = &lcore_queue_conf[lcore_id];
 578         len = qconf->pkt_buf[port].len;
 579         qconf->pkt_buf[port].buffer[len] = m;
 580         len++;
 581
 582         /* enough pkts to be sent */
 583         if (unlikely(len == MAX_PKT_BURST)) {
 584                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 585                 len = 0;
 586         }
 587
 588         qconf->pkt_buf[port].len = len;
 589         return 0;
 590 }
 591
 592 static void
 593 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 594 {
 595         struct ether_hdr *eth;
 596         void *tmp;
 597         unsigned dst_port;
 598
 599         dst_port = l2fwd_dst_ports[portid];
 600         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 601
 602         /* 02:00:00:00:00:xx */
 603         tmp = &eth->d_addr.addr_bytes[0];
 604         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 605
 606         /* src addr */
 607         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 608
 609         l2fwd_send_packet(m, (uint8_t) dst_port);
 610 }
 611
 612 /** Generate random key */
 613 static void
 614 generate_random_key(uint8_t *key, unsigned length)
 615 {
 616         int fd;
 617         int ret;
 618
 619         fd = open("/dev/urandom", O_RDONLY);
 620         if (fd < 0)
 621                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 622
 623         ret = read(fd, key, length);
 624         close(fd);
 625
 626         if (ret != (signed)length)
 627                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 628 }
 629
 630 static struct rte_cryptodev_sym_session *
 631 initialize_crypto_session(struct l2fwd_crypto_options *options,
 632                 uint8_t cdev_id)
 633 {
 634         struct rte_crypto_sym_xform *first_xform;
 635
 636         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 637                 first_xform = &options->cipher_xform;
 638                 first_xform->next = &options->auth_xform;
 639         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 640                 first_xform = &options->auth_xform;
 641                 first_xform->next = &options->cipher_xform;
 642         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 643                 first_xform = &options->cipher_xform;
 644         } else {
 645                 first_xform = &options->auth_xform;
 646         }
 647
 648         /* Setup Cipher Parameters */
 649         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 650 }
 651
 652 static void
 653 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 654
 655 /* main processing loop */
 656 static void
 657 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 658 {
 659         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 660         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 661
 662         unsigned lcore_id = rte_lcore_id();
 663         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 664         unsigned i, j, portid, nb_rx, len;
 665         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 666         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 667                         US_PER_S * BURST_TX_DRAIN_US;
 668         struct l2fwd_crypto_params *cparams;
 669         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 670
 671         if (qconf->nb_rx_ports == 0) {
 672                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 673                 return;
 674         }
 675
 676         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 677
 678         for (i = 0; i < qconf->nb_rx_ports; i++) {
 679
 680                 portid = qconf->rx_port_list[i];
 681                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 682                         portid);
 683         }
 684
 685         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 686                 port_cparams[i].do_cipher = 0;
 687                 port_cparams[i].do_hash = 0;
 688
 689                 switch (options->xform_chain) {
 690                 case L2FWD_CRYPTO_CIPHER_HASH:
 691                 case L2FWD_CRYPTO_HASH_CIPHER:
 692                         port_cparams[i].do_cipher = 1;
 693                         port_cparams[i].do_hash = 1;
 694                         break;
 695                 case L2FWD_CRYPTO_HASH_ONLY:
 696                         port_cparams[i].do_hash = 1;
 697                         break;
 698                 case L2FWD_CRYPTO_CIPHER_ONLY:
 699                         port_cparams[i].do_cipher = 1;
 700                         break;
 701                 }
 702
 703                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 704                 port_cparams[i].qp_id = 0;
 705
 706                 port_cparams[i].block_size = options->block_size;
 707
 708                 if (port_cparams[i].do_hash) {
 709                         port_cparams[i].digest_length =
 710                                         options->auth_xform.auth.digest_length;
 711                         if (options->auth_xform.auth.add_auth_data_length) {
 712                                 port_cparams[i].aad.data = options->aad.data;
 713                                 port_cparams[i].aad.length =
 714                                         options->auth_xform.auth.add_auth_data_length;
 715                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 716                                 if (!options->aad_param)
 717                                         generate_random_key(port_cparams[i].aad.data,
 718                                                 port_cparams[i].aad.length);
 719
 720                         }
 721
 722                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 723                                 port_cparams[i].hash_verify = 1;
 724                         else
 725                                 port_cparams[i].hash_verify = 0;
 726
 727                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 728                 }
 729
 730                 if (port_cparams[i].do_cipher) {
 731                         port_cparams[i].iv.data = options->iv.data;
 732                         port_cparams[i].iv.length = options->iv.length;
 733                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 734                         if (!options->iv_param)
 735                                 generate_random_key(port_cparams[i].iv.data,
 736                                                 port_cparams[i].iv.length);
 737
 738                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 739                 }
 740
 741                 port_cparams[i].session = initialize_crypto_session(options,
 742                                 port_cparams[i].dev_id);
 743
 744                 if (port_cparams[i].session == NULL)
 745                         return;
 746                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 747                                 port_cparams[i].dev_id);
 748         }
 749
 750         l2fwd_crypto_options_print(options);
 751
 752         /*
 753          * Initialize previous tsc timestamp before the loop,
 754          * to avoid showing the port statistics immediately,
 755          * so user can see the crypto information.
 756          */
 757         prev_tsc = rte_rdtsc();
 758         while (1) {
 759
 760                 cur_tsc = rte_rdtsc();
 761
 762                 /*
 763                  * Crypto device/TX burst queue drain
 764                  */
 765                 diff_tsc = cur_tsc - prev_tsc;
 766                 if (unlikely(diff_tsc > drain_tsc)) {
 767                         /* Enqueue all crypto ops remaining in buffers */
 768                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 769                                 cparams = &port_cparams[i];
 770                                 len = qconf->op_buf[cparams->dev_id].len;
 771                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 772                                 qconf->op_buf[cparams->dev_id].len = 0;
 773                         }
 774                         /* Transmit all packets remaining in buffers */
 775                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 776                                 if (qconf->pkt_buf[portid].len == 0)
 777                                         continue;
 778                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 779                                                  qconf->pkt_buf[portid].len,
 780                                                  (uint8_t) portid);
 781                                 qconf->pkt_buf[portid].len = 0;
 782                         }
 783
 784                         /* if timer is enabled */
 785                         if (timer_period > 0) {
 786
 787                                 /* advance the timer */
 788                                 timer_tsc += diff_tsc;
 789
 790                                 /* if timer has reached its timeout */
 791                                 if (unlikely(timer_tsc >=
 792                                                 (uint64_t)timer_period)) {
 793
 794                                         /* do this only on master core */
 795                                         if (lcore_id == rte_get_master_lcore()
 796                                                 && options->refresh_period) {
 797                                                 print_stats();
 798                                                 timer_tsc = 0;
 799                                         }
 800                                 }
 801                         }
 802
 803                         prev_tsc = cur_tsc;
 804                 }
 805
 806                 /*
 807                  * Read packet from RX queues
 808                  */
 809                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 810                         portid = qconf->rx_port_list[i];
 811
 812                         cparams = &port_cparams[i];
 813
 814                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 815                                                  pkts_burst, MAX_PKT_BURST);
 816
 817                         port_statistics[portid].rx += nb_rx;
 818
 819                         if (nb_rx) {
 820                                 /*
 821                                  * If we can't allocate a crypto_ops, then drop
 822                                  * the rest of the burst and dequeue and
 823                                  * process the packets to free offload structs
 824                                  */
 825                                 if (rte_crypto_op_bulk_alloc(
 826                                                 l2fwd_crypto_op_pool,
 827                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 828                                                 ops_burst, nb_rx) !=
 829                                                                 nb_rx) {
 830                                         for (j = 0; j < nb_rx; j++)
 831                                                 rte_pktmbuf_free(pkts_burst[i]);
 832
 833                                         nb_rx = 0;
 834                                 }
 835
 836                                 /* Enqueue packets from Crypto device*/
 837                                 for (j = 0; j < nb_rx; j++) {
 838                                         m = pkts_burst[j];
 839
 840                                         l2fwd_simple_crypto_enqueue(m,
 841                                                         ops_burst[j], cparams);
 842                                 }
 843                         }
 844
 845                         /* Dequeue packets from Crypto device */
 846                         do {
 847                                 nb_rx = rte_cryptodev_dequeue_burst(
 848                                                 cparams->dev_id, cparams->qp_id,
 849                                                 ops_burst, MAX_PKT_BURST);
 850
 851                                 crypto_statistics[cparams->dev_id].dequeued +=
 852                                                 nb_rx;
 853
 854                                 /* Forward crypto'd packets */
 855                                 for (j = 0; j < nb_rx; j++) {
 856                                         m = ops_burst[j]->sym->m_src;
 857
 858                                         rte_crypto_op_free(ops_burst[j]);
 859                                         l2fwd_simple_forward(m, portid);
 860                                 }
 861                         } while (nb_rx == MAX_PKT_BURST);
 862                 }
 863         }
 864 }
 865
 866 static int
 867 l2fwd_launch_one_lcore(void *arg)
 868 {
 869         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 870         return 0;
 871 }
 872
 873 /* Display command line arguments usage */
 874 static void
 875 l2fwd_crypto_usage(const char *prgname)
 876 {
 877         printf("%s [EAL options] --\n"
 878                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 879                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 880                 "  -s manage all ports from single lcore\n"
 881                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 882                 " (0 to disable, 10 default, 86400 maximum)\n"
 883
 884                 "  --cdev_type HW / SW / ANY\n"
 885                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 886
 887                 "  --cipher_algo ALGO\n"
 888                 "  --cipher_op ENCRYPT / DECRYPT\n"
 889                 "  --cipher_key KEY (bytes separated with \":\")\n"
 890                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 891                 "  --iv IV (bytes separated with \":\")\n"
 892                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 893
 894                 "  --auth_algo ALGO\n"
 895                 "  --auth_op GENERATE / VERIFY\n"
 896                 "  --auth_key KEY (bytes separated with \":\")\n"
 897                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 898                 "  --aad AAD (bytes separated with \":\")\n"
 899                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 900                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 901
 902                 "  --sessionless\n",
 903                prgname);
 904 }
 905
 906 /** Parse crypto device type command line argument */
 907 static int
 908 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 909 {
 910         if (strcmp("HW", optarg) == 0) {
 911                 *type = CDEV_TYPE_HW;
 912                 return 0;
 913         } else if (strcmp("SW", optarg) == 0) {
 914                 *type = CDEV_TYPE_SW;
 915                 return 0;
 916         } else if (strcmp("ANY", optarg) == 0) {
 917                 *type = CDEV_TYPE_ANY;
 918                 return 0;
 919         }
 920
 921         return -1;
 922 }
 923
 924 /** Parse crypto chain xform command line argument */
 925 static int
 926 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 927 {
 928         if (strcmp("CIPHER_HASH", optarg) == 0) {
 929                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 930                 return 0;
 931         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 932                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 933                 return 0;
 934         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 935                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 936                 return 0;
 937         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 938                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 939                 return 0;
 940         }
 941
 942         return -1;
 943 }
 944
 945 /** Parse crypto cipher algo option command line argument */
 946 static int
 947 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 948 {
 949         unsigned i;
 950
 951         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 952                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 953                         *algo = (enum rte_crypto_cipher_algorithm)i;
 954                         return 0;
 955                 }
 956         }
 957
 958         printf("Cipher algorithm  not supported!\n");
 959         return -1;
 960 }
 961
 962 /** Parse crypto cipher operation command line argument */
 963 static int
 964 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 965 {
 966         if (strcmp("ENCRYPT", optarg) == 0) {
 967                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 968                 return 0;
 969         } else if (strcmp("DECRYPT", optarg) == 0) {
 970                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 971                 return 0;
 972         }
 973
 974         printf("Cipher operation not supported!\n");
 975         return -1;
 976 }
 977
 978 /** Parse crypto key command line argument */
 979 static int
 980 parse_key(uint8_t *data, char *input_arg)
 981 {
 982         unsigned byte_count;
 983         char *token;
 984
 985         for (byte_count = 0, token = strtok(input_arg, ":");
 986                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 987                         token = strtok(NULL, ":")) {
 988
 989                 int number = (int)strtol(token, NULL, 16);
 990
 991                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 992                         return -1;
 993
 994                 data[byte_count++] = (uint8_t)number;
 995         }
 996
 997         return byte_count;
 998 }
 999
1000 /** Parse size param*/
1001 static int
1002 parse_size(int *size, const char *q_arg)
1003 {
1004         char *end = NULL;
1005         unsigned long n;
1006
1007         /* parse hexadecimal string */
1008         n = strtoul(q_arg, &end, 10);
1009         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1010                 n = 0;
1011
1012         if (n == 0) {
1013                 printf("invalid size\n");
1014                 return -1;
1015         }
1016
1017         *size = n;
1018         return 0;
1019 }
1020
1021 /** Parse crypto cipher operation command line argument */
1022 static int
1023 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1024 {
1025         unsigned i;
1026
1027         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1028                 if (!strcmp(supported_auth_algo[i], optarg)) {
1029                         *algo = (enum rte_crypto_auth_algorithm)i;
1030                         return 0;
1031                 }
1032         }
1033
1034         printf("Authentication algorithm specified not supported!\n");
1035         return -1;
1036 }
1037
1038 static int
1039 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1040 {
1041         if (strcmp("VERIFY", optarg) == 0) {
1042                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1043                 return 0;
1044         } else if (strcmp("GENERATE", optarg) == 0) {
1045                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1046                 return 0;
1047         }
1048
1049         printf("Authentication operation specified not supported!\n");
1050         return -1;
1051 }
1052
1053 /** Parse long options */
1054 static int
1055 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1056                 struct option *lgopts, int option_index)
1057 {
1058         int retval;
1059
1060         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1061                 retval = parse_cryptodev_type(&options->type, optarg);
1062                 if (retval == 0)
1063                         snprintf(options->string_type, MAX_STR_LEN,
1064                                 "%s", optarg);
1065                 return retval;
1066         }
1067
1068         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1069                 return parse_crypto_opt_chain(options, optarg);
1070
1071         /* Cipher options */
1072         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1073                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1074                                 optarg);
1075
1076         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1077                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1078                                 optarg);
1079
1080         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1081                 options->ckey_param = 1;
1082                 options->cipher_xform.cipher.key.length =
1083                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1084                 if (options->cipher_xform.cipher.key.length > 0)
1085                         return 0;
1086                 else
1087                         return -1;
1088         }
1089
1090         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1091                 return parse_size(&options->ckey_random_size, optarg);
1092
1093         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1094                 options->iv_param = 1;
1095                 options->iv.length =
1096                         parse_key(options->iv.data, optarg);
1097                 if (options->iv.length > 0)
1098                         return 0;
1099                 else
1100                         return -1;
1101         }
1102
1103         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1104                 return parse_size(&options->iv_random_size, optarg);
1105
1106         /* Authentication options */
1107         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1108                 return parse_auth_algo(&options->auth_xform.auth.algo,
1109                                 optarg);
1110         }
1111
1112         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1113                 return parse_auth_op(&options->auth_xform.auth.op,
1114                                 optarg);
1115
1116         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1117                 options->akey_param = 1;
1118                 options->auth_xform.auth.key.length =
1119                         parse_key(options->auth_xform.auth.key.data, optarg);
1120                 if (options->auth_xform.auth.key.length > 0)
1121                         return 0;
1122                 else
1123                         return -1;
1124         }
1125
1126         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1127                 return parse_size(&options->akey_random_size, optarg);
1128         }
1129
1130         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1131                 options->aad_param = 1;
1132                 options->aad.length =
1133                         parse_key(options->aad.data, optarg);
1134                 if (options->aad.length > 0)
1135                         return 0;
1136                 else
1137                         return -1;
1138         }
1139
1140         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1141                 return parse_size(&options->aad_random_size, optarg);
1142         }
1143
1144         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1145                 return parse_size(&options->digest_size, optarg);
1146         }
1147
1148         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1149                 options->sessionless = 1;
1150                 return 0;
1151         }
1152
1153         return -1;
1154 }
1155
1156 /** Parse port mask */
1157 static int
1158 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1159                 const char *q_arg)
1160 {
1161         char *end = NULL;
1162         unsigned long pm;
1163
1164         /* parse hexadecimal string */
1165         pm = strtoul(q_arg, &end, 16);
1166         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1167                 pm = 0;
1168
1169         options->portmask = pm;
1170         if (options->portmask == 0) {
1171                 printf("invalid portmask specified\n");
1172                 return -1;
1173         }
1174
1175         return pm;
1176 }
1177
1178 /** Parse number of queues */
1179 static int
1180 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1181                 const char *q_arg)
1182 {
1183         char *end = NULL;
1184         unsigned long n;
1185
1186         /* parse hexadecimal string */
1187         n = strtoul(q_arg, &end, 10);
1188         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1189                 n = 0;
1190         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1191                 n = 0;
1192
1193         options->nb_ports_per_lcore = n;
1194         if (options->nb_ports_per_lcore == 0) {
1195                 printf("invalid number of ports selected\n");
1196                 return -1;
1197         }
1198
1199         return 0;
1200 }
1201
1202 /** Parse timer period */
1203 static int
1204 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1205                 const char *q_arg)
1206 {
1207         char *end = NULL;
1208         unsigned long n;
1209
1210         /* parse number string */
1211         n = (unsigned)strtol(q_arg, &end, 10);
1212         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1213                 n = 0;
1214
1215         if (n >= MAX_TIMER_PERIOD) {
1216                 printf("Warning refresh period specified %lu is greater than "
1217                                 "max value %lu! using max value",
1218                                 n, MAX_TIMER_PERIOD);
1219                 n = MAX_TIMER_PERIOD;
1220         }
1221
1222         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1223
1224         return 0;
1225 }
1226
1227 /** Generate default options for application */
1228 static void
1229 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1230 {
1231         options->portmask = 0xffffffff;
1232         options->nb_ports_per_lcore = 1;
1233         options->refresh_period = 10000;
1234         options->single_lcore = 0;
1235         options->sessionless = 0;
1236
1237         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1238
1239         /* Cipher Data */
1240         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1241         options->cipher_xform.next = NULL;
1242         options->ckey_param = 0;
1243         options->ckey_random_size = -1;
1244         options->cipher_xform.cipher.key.length = 0;
1245         options->iv_param = 0;
1246         options->iv_random_size = -1;
1247         options->iv.length = 0;
1248
1249         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1250         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1251
1252         /* Authentication Data */
1253         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1254         options->auth_xform.next = NULL;
1255         options->akey_param = 0;
1256         options->akey_random_size = -1;
1257         options->auth_xform.auth.key.length = 0;
1258         options->aad_param = 0;
1259         options->aad_random_size = -1;
1260         options->aad.length = 0;
1261         options->digest_size = -1;
1262
1263         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1264         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1265
1266         options->type = CDEV_TYPE_ANY;
1267 }
1268
1269 static void
1270 display_cipher_info(struct l2fwd_crypto_options *options)
1271 {
1272         printf("\n---- Cipher information ---\n");
1273         printf("Algorithm: %s\n",
1274                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1275         rte_hexdump(stdout, "Cipher key:",
1276                         options->cipher_xform.cipher.key.data,
1277                         options->cipher_xform.cipher.key.length);
1278         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1279 }
1280
1281 static void
1282 display_auth_info(struct l2fwd_crypto_options *options)
1283 {
1284         printf("\n---- Authentication information ---\n");
1285         printf("Algorithm: %s\n",
1286                 supported_auth_algo[options->auth_xform.auth.algo]);
1287         rte_hexdump(stdout, "Auth key:",
1288                         options->auth_xform.auth.key.data,
1289                         options->auth_xform.auth.key.length);
1290         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1291 }
1292
1293 static void
1294 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1295 {
1296         char string_cipher_op[MAX_STR_LEN];
1297         char string_auth_op[MAX_STR_LEN];
1298
1299         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1300                 strcpy(string_cipher_op, "Encrypt");
1301         else
1302                 strcpy(string_cipher_op, "Decrypt");
1303
1304         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1305                 strcpy(string_auth_op, "Auth generate");
1306         else
1307                 strcpy(string_auth_op, "Auth verify");
1308
1309         printf("Options:-\nn");
1310         printf("portmask: %x\n", options->portmask);
1311         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1312         printf("refresh period : %u\n", options->refresh_period);
1313         printf("single lcore mode: %s\n",
1314                         options->single_lcore ? "enabled" : "disabled");
1315         printf("stats_printing: %s\n",
1316                         options->refresh_period == 0 ? "disabled" : "enabled");
1317
1318         printf("sessionless crypto: %s\n",
1319                         options->sessionless ? "enabled" : "disabled");
1320
1321         if (options->ckey_param && (options->ckey_random_size != -1))
1322                 printf("Cipher key already parsed, ignoring size of random key\n");
1323
1324         if (options->akey_param && (options->akey_random_size != -1))
1325                 printf("Auth key already parsed, ignoring size of random key\n");
1326
1327         if (options->iv_param && (options->iv_random_size != -1))
1328                 printf("IV already parsed, ignoring size of random IV\n");
1329
1330         if (options->aad_param && (options->aad_random_size != -1))
1331                 printf("AAD already parsed, ignoring size of random AAD\n");
1332
1333         printf("\nCrypto chain: ");
1334         switch (options->xform_chain) {
1335         case L2FWD_CRYPTO_CIPHER_HASH:
1336                 printf("Input --> %s --> %s --> Output\n",
1337                         string_cipher_op, string_auth_op);
1338                 display_cipher_info(options);
1339                 display_auth_info(options);
1340                 break;
1341         case L2FWD_CRYPTO_HASH_CIPHER:
1342                 printf("Input --> %s --> %s --> Output\n",
1343                         string_auth_op, string_cipher_op);
1344                 display_cipher_info(options);
1345                 display_auth_info(options);
1346                 break;
1347         case L2FWD_CRYPTO_HASH_ONLY:
1348                 printf("Input --> %s --> Output\n", string_auth_op);
1349                 display_auth_info(options);
1350                 break;
1351         case L2FWD_CRYPTO_CIPHER_ONLY:
1352                 printf("Input --> %s --> Output\n", string_cipher_op);
1353                 display_cipher_info(options);
1354                 break;
1355         }
1356 }
1357
1358 /* Parse the argument given in the command line of the application */
1359 static int
1360 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1361                 int argc, char **argv)
1362 {
1363         int opt, retval, option_index;
1364         char **argvopt = argv, *prgname = argv[0];
1365
1366         static struct option lgopts[] = {
1367                         { "sessionless", no_argument, 0, 0 },
1368
1369                         { "cdev_type", required_argument, 0, 0 },
1370                         { "chain", required_argument, 0, 0 },
1371
1372                         { "cipher_algo", required_argument, 0, 0 },
1373                         { "cipher_op", required_argument, 0, 0 },
1374                         { "cipher_key", required_argument, 0, 0 },
1375                         { "cipher_key_random_size", required_argument, 0, 0 },
1376
1377                         { "auth_algo", required_argument, 0, 0 },
1378                         { "auth_op", required_argument, 0, 0 },
1379                         { "auth_key", required_argument, 0, 0 },
1380                         { "auth_key_random_size", required_argument, 0, 0 },
1381
1382                         { "iv", required_argument, 0, 0 },
1383                         { "iv_random_size", required_argument, 0, 0 },
1384                         { "aad", required_argument, 0, 0 },
1385                         { "aad_random_size", required_argument, 0, 0 },
1386                         { "digest_size", required_argument, 0, 0 },
1387
1388                         { "sessionless", no_argument, 0, 0 },
1389
1390                         { NULL, 0, 0, 0 }
1391         };
1392
1393         l2fwd_crypto_default_options(options);
1394
1395         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1396                         &option_index)) != EOF) {
1397                 switch (opt) {
1398                 /* long options */
1399                 case 0:
1400                         retval = l2fwd_crypto_parse_args_long_options(options,
1401                                         lgopts, option_index);
1402                         if (retval < 0) {
1403                                 l2fwd_crypto_usage(prgname);
1404                                 return -1;
1405                         }
1406                         break;
1407
1408                 /* portmask */
1409                 case 'p':
1410                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1411                         if (retval < 0) {
1412                                 l2fwd_crypto_usage(prgname);
1413                                 return -1;
1414                         }
1415                         break;
1416
1417                 /* nqueue */
1418                 case 'q':
1419                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1420                         if (retval < 0) {
1421                                 l2fwd_crypto_usage(prgname);
1422                                 return -1;
1423                         }
1424                         break;
1425
1426                 /* single  */
1427                 case 's':
1428                         options->single_lcore = 1;
1429
1430                         break;
1431
1432                 /* timer period */
1433                 case 'T':
1434                         retval = l2fwd_crypto_parse_timer_period(options,
1435                                         optarg);
1436                         if (retval < 0) {
1437                                 l2fwd_crypto_usage(prgname);
1438                                 return -1;
1439                         }
1440                         break;
1441
1442                 default:
1443                         l2fwd_crypto_usage(prgname);
1444                         return -1;
1445                 }
1446         }
1447
1448
1449         if (optind >= 0)
1450                 argv[optind-1] = prgname;
1451
1452         retval = optind-1;
1453         optind = 0; /* reset getopt lib */
1454
1455         return retval;
1456 }
1457
1458 /* Check the link status of all ports in up to 9s, and print them finally */
1459 static void
1460 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1461 {
1462 #define CHECK_INTERVAL 100 /* 100ms */
1463 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1464         uint8_t portid, count, all_ports_up, print_flag = 0;
1465         struct rte_eth_link link;
1466
1467         printf("\nChecking link status");
1468         fflush(stdout);
1469         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1470                 all_ports_up = 1;
1471                 for (portid = 0; portid < port_num; portid++) {
1472                         if ((port_mask & (1 << portid)) == 0)
1473                                 continue;
1474                         memset(&link, 0, sizeof(link));
1475                         rte_eth_link_get_nowait(portid, &link);
1476                         /* print link status if flag set */
1477                         if (print_flag == 1) {
1478                                 if (link.link_status)
1479                                         printf("Port %d Link Up - speed %u "
1480                                                 "Mbps - %s\n", (uint8_t)portid,
1481                                                 (unsigned)link.link_speed,
1482                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1483                                         ("full-duplex") : ("half-duplex\n"));
1484                                 else
1485                                         printf("Port %d Link Down\n",
1486                                                 (uint8_t)portid);
1487                                 continue;
1488                         }
1489                         /* clear all_ports_up flag if any link down */
1490                         if (link.link_status == ETH_LINK_DOWN) {
1491                                 all_ports_up = 0;
1492                                 break;
1493                         }
1494                 }
1495                 /* after finally printing all link status, get out */
1496                 if (print_flag == 1)
1497                         break;
1498
1499                 if (all_ports_up == 0) {
1500                         printf(".");
1501                         fflush(stdout);
1502                         rte_delay_ms(CHECK_INTERVAL);
1503                 }
1504
1505                 /* set the print_flag if all ports up or timeout */
1506                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1507                         print_flag = 1;
1508                         printf("done\n");
1509                 }
1510         }
1511 }
1512
1513 /* Check if device has to be HW/SW or any */
1514 static int
1515 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1516 {
1517         if (options->type == CDEV_TYPE_HW &&
1518                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1519                 return 0;
1520         if (options->type == CDEV_TYPE_SW &&
1521                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1522                 return 0;
1523         if (options->type == CDEV_TYPE_ANY)
1524                 return 0;
1525
1526         return -1;
1527 }
1528
1529 static inline int
1530 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1531                 uint16_t increment)
1532 {
1533         uint16_t supp_size;
1534
1535         /* Single value */
1536         if (increment == 0) {
1537                 if (length == min)
1538                         return 0;
1539                 else
1540                         return -1;
1541         }
1542
1543         /* Range of values */
1544         for (supp_size = min; supp_size <= max; supp_size += increment) {
1545                 if (length == supp_size)
1546                         return 0;
1547         }
1548
1549         return -1;
1550 }
1551 static int
1552 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1553                 uint8_t *enabled_cdevs)
1554 {
1555         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1556         const struct rte_cryptodev_capabilities *cap;
1557         enum rte_crypto_auth_algorithm cap_auth_algo;
1558         enum rte_crypto_auth_algorithm opt_auth_algo;
1559         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1560         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1561         int retval;
1562
1563         cdev_count = rte_cryptodev_count();
1564         if (cdev_count == 0) {
1565                 printf("No crypto devices available\n");
1566                 return -1;
1567         }
1568
1569         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1570                         cdev_id++) {
1571                 struct rte_cryptodev_qp_conf qp_conf;
1572                 struct rte_cryptodev_info dev_info;
1573
1574                 struct rte_cryptodev_config conf = {
1575                         .nb_queue_pairs = 1,
1576                         .socket_id = SOCKET_ID_ANY,
1577                         .session_mp = {
1578                                 .nb_objs = 2048,
1579                                 .cache_size = 64
1580                         }
1581                 };
1582
1583                 rte_cryptodev_info_get(cdev_id, &dev_info);
1584
1585                 /* Set cipher parameters */
1586                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1587                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1588                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1589                         /* Check if device supports cipher algo */
1590                         i = 0;
1591                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1592                         cap = &dev_info.capabilities[i];
1593                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1594                                 cap_cipher_algo = cap->sym.cipher.algo;
1595                                 if (cap->sym.xform_type ==
1596                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1597                                         if (cap_cipher_algo == opt_cipher_algo) {
1598                                                 if (check_type(options, &dev_info) == 0)
1599                                                         break;
1600                                         }
1601                                 }
1602                                 cap = &dev_info.capabilities[++i];
1603                         }
1604
1605                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1606                                 printf("Algorithm %s not supported by cryptodev %u"
1607                                         " or device not of preferred type (%s)\n",
1608                                         supported_cipher_algo[opt_cipher_algo],
1609                                         cdev_id,
1610                                         options->string_type);
1611                                 continue;
1612                         }
1613
1614                         options->block_size = cap->sym.cipher.block_size;
1615                         /*
1616                          * Check if length of provided IV is supported
1617                          * by the algorithm chosen.
1618                          */
1619                         if (options->iv_param) {
1620                                 if (check_supported_size(options->iv.length,
1621                                                 cap->sym.cipher.iv_size.min,
1622                                                 cap->sym.cipher.iv_size.max,
1623                                                 cap->sym.cipher.iv_size.increment)
1624                                                         != 0) {
1625                                         printf("Unsupported IV length\n");
1626                                         return -1;
1627                                 }
1628                         /*
1629                          * Check if length of IV to be randomly generated
1630                          * is supported by the algorithm chosen.
1631                          */
1632                         } else if (options->iv_random_size != -1) {
1633                                 if (check_supported_size(options->iv_random_size,
1634                                                 cap->sym.cipher.iv_size.min,
1635                                                 cap->sym.cipher.iv_size.max,
1636                                                 cap->sym.cipher.iv_size.increment)
1637                                                         != 0) {
1638                                         printf("Unsupported IV length\n");
1639                                         return -1;
1640                                 }
1641                                 options->iv.length = options->iv_random_size;
1642                         /* No size provided, use minimum size. */
1643                         } else
1644                                 options->iv.length = cap->sym.cipher.iv_size.min;
1645
1646                         /*
1647                          * Check if length of provided cipher key is supported
1648                          * by the algorithm chosen.
1649                          */
1650                         if (options->ckey_param) {
1651                                 if (check_supported_size(
1652                                                 options->cipher_xform.cipher.key.length,
1653                                                 cap->sym.cipher.key_size.min,
1654                                                 cap->sym.cipher.key_size.max,
1655                                                 cap->sym.cipher.key_size.increment)
1656                                                         != 0) {
1657                                         printf("Unsupported cipher key length\n");
1658                                         return -1;
1659                                 }
1660                         /*
1661                          * Check if length of the cipher key to be randomly generated
1662                          * is supported by the algorithm chosen.
1663                          */
1664                         } else if (options->ckey_random_size != -1) {
1665                                 if (check_supported_size(options->ckey_random_size,
1666                                                 cap->sym.cipher.key_size.min,
1667                                                 cap->sym.cipher.key_size.max,
1668                                                 cap->sym.cipher.key_size.increment)
1669                                                         != 0) {
1670                                         printf("Unsupported cipher key length\n");
1671                                         return -1;
1672                                 }
1673                                 options->cipher_xform.cipher.key.length =
1674                                                         options->ckey_random_size;
1675                         /* No size provided, use minimum size. */
1676                         } else
1677                                 options->cipher_xform.cipher.key.length =
1678                                                 cap->sym.cipher.key_size.min;
1679
1680                         if (!options->ckey_param)
1681                                 generate_random_key(
1682                                         options->cipher_xform.cipher.key.data,
1683                                         options->cipher_xform.cipher.key.length);
1684
1685                 }
1686
1687                 /* Set auth parameters */
1688                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1689                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1690                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1691                         /* Check if device supports auth algo */
1692                         i = 0;
1693                         opt_auth_algo = options->auth_xform.auth.algo;
1694                         cap = &dev_info.capabilities[i];
1695                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1696                                 cap_auth_algo = cap->sym.auth.algo;
1697                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1698                                                 (cap_auth_algo == opt_auth_algo) &&
1699                                                 (check_type(options, &dev_info) == 0)) {
1700                                         break;
1701                                 }
1702                                 cap = &dev_info.capabilities[++i];
1703                         }
1704
1705                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1706                                 printf("Algorithm %s not supported by cryptodev %u"
1707                                         " or device not of preferred type (%s)\n",
1708                                         supported_auth_algo[opt_auth_algo],
1709                                         cdev_id,
1710                                         options->string_type);
1711                                 continue;
1712                         }
1713
1714                         options->block_size = cap->sym.auth.block_size;
1715                         /*
1716                          * Check if length of provided AAD is supported
1717                          * by the algorithm chosen.
1718                          */
1719                         if (options->aad_param) {
1720                                 if (check_supported_size(options->aad.length,
1721                                                 cap->sym.auth.aad_size.min,
1722                                                 cap->sym.auth.aad_size.max,
1723                                                 cap->sym.auth.aad_size.increment)
1724                                                         != 0) {
1725                                         printf("Unsupported AAD length\n");
1726                                         return -1;
1727                                 }
1728                         /*
1729                          * Check if length of AAD to be randomly generated
1730                          * is supported by the algorithm chosen.
1731                          */
1732                         } else if (options->aad_random_size != -1) {
1733                                 if (check_supported_size(options->aad_random_size,
1734                                                 cap->sym.auth.aad_size.min,
1735                                                 cap->sym.auth.aad_size.max,
1736                                                 cap->sym.auth.aad_size.increment)
1737                                                         != 0) {
1738                                         printf("Unsupported AAD length\n");
1739                                         return -1;
1740                                 }
1741                                 options->aad.length = options->aad_random_size;
1742                         /* No size provided, use minimum size. */
1743                         } else
1744                                 options->aad.length = cap->sym.auth.aad_size.min;
1745
1746                         options->auth_xform.auth.add_auth_data_length =
1747                                                 options->aad.length;
1748
1749                         /*
1750                          * Check if length of provided auth key is supported
1751                          * by the algorithm chosen.
1752                          */
1753                         if (options->akey_param) {
1754                                 if (check_supported_size(
1755                                                 options->auth_xform.auth.key.length,
1756                                                 cap->sym.auth.key_size.min,
1757                                                 cap->sym.auth.key_size.max,
1758                                                 cap->sym.auth.key_size.increment)
1759                                                         != 0) {
1760                                         printf("Unsupported auth key length\n");
1761                                         return -1;
1762                                 }
1763                         /*
1764                          * Check if length of the auth key to be randomly generated
1765                          * is supported by the algorithm chosen.
1766                          */
1767                         } else if (options->akey_random_size != -1) {
1768                                 if (check_supported_size(options->akey_random_size,
1769                                                 cap->sym.auth.key_size.min,
1770                                                 cap->sym.auth.key_size.max,
1771                                                 cap->sym.auth.key_size.increment)
1772                                                         != 0) {
1773                                         printf("Unsupported auth key length\n");
1774                                         return -1;
1775                                 }
1776                                 options->auth_xform.auth.key.length =
1777                                                         options->akey_random_size;
1778                         /* No size provided, use minimum size. */
1779                         } else
1780                                 options->auth_xform.auth.key.length =
1781                                                 cap->sym.auth.key_size.min;
1782
1783                         if (!options->akey_param)
1784                                 generate_random_key(
1785                                         options->auth_xform.auth.key.data,
1786                                         options->auth_xform.auth.key.length);
1787
1788                         /* Check if digest size is supported by the algorithm. */
1789                         if (options->digest_size != -1) {
1790                                 if (check_supported_size(options->digest_size,
1791                                                 cap->sym.auth.digest_size.min,
1792                                                 cap->sym.auth.digest_size.max,
1793                                                 cap->sym.auth.digest_size.increment)
1794                                                         != 0) {
1795                                         printf("Unsupported digest length\n");
1796                                         return -1;
1797                                 }
1798                                 options->auth_xform.auth.digest_length =
1799                                                         options->digest_size;
1800                         /* No size provided, use minimum size. */
1801                         } else
1802                                 options->auth_xform.auth.digest_length =
1803                                                 cap->sym.auth.digest_size.min;
1804                 }
1805
1806                 retval = rte_cryptodev_configure(cdev_id, &conf);
1807                 if (retval < 0) {
1808                         printf("Failed to configure cryptodev %u", cdev_id);
1809                         return -1;
1810                 }
1811
1812                 qp_conf.nb_descriptors = 2048;
1813
1814                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1815                                 SOCKET_ID_ANY);
1816                 if (retval < 0) {
1817                         printf("Failed to setup queue pair %u on cryptodev %u",
1818                                         0, cdev_id);
1819                         return -1;
1820                 }
1821
1822                 retval = rte_cryptodev_start(cdev_id);
1823                 if (retval < 0) {
1824                         printf("Failed to start device %u: error %d\n",
1825                                         cdev_id, retval);
1826                         return -1;
1827                 }
1828
1829                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1830
1831                 enabled_cdevs[cdev_id] = 1;
1832                 enabled_cdev_count++;
1833         }
1834
1835         return enabled_cdev_count;
1836 }
1837
1838 static int
1839 initialize_ports(struct l2fwd_crypto_options *options)
1840 {
1841         uint8_t last_portid, portid;
1842         unsigned enabled_portcount = 0;
1843         unsigned nb_ports = rte_eth_dev_count();
1844
1845         if (nb_ports == 0) {
1846                 printf("No Ethernet ports - bye\n");
1847                 return -1;
1848         }
1849
1850         /* Reset l2fwd_dst_ports */
1851         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1852                 l2fwd_dst_ports[portid] = 0;
1853
1854         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1855                 int retval;
1856
1857                 /* Skip ports that are not enabled */
1858                 if ((options->portmask & (1 << portid)) == 0)
1859                         continue;
1860
1861                 /* init port */
1862                 printf("Initializing port %u... ", (unsigned) portid);
1863                 fflush(stdout);
1864                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1865                 if (retval < 0) {
1866                         printf("Cannot configure device: err=%d, port=%u\n",
1867                                   retval, (unsigned) portid);
1868                         return -1;
1869                 }
1870
1871                 /* init one RX queue */
1872                 fflush(stdout);
1873                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1874                                              rte_eth_dev_socket_id(portid),
1875                                              NULL, l2fwd_pktmbuf_pool);
1876                 if (retval < 0) {
1877                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1878                                         retval, (unsigned) portid);
1879                         return -1;
1880                 }
1881
1882                 /* init one TX queue on each port */
1883                 fflush(stdout);
1884                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1885                                 rte_eth_dev_socket_id(portid),
1886                                 NULL);
1887                 if (retval < 0) {
1888                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1889                                 retval, (unsigned) portid);
1890
1891                         return -1;
1892                 }
1893
1894                 /* Start device */
1895                 retval = rte_eth_dev_start(portid);
1896                 if (retval < 0) {
1897                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1898                                         retval, (unsigned) portid);
1899                         return -1;
1900                 }
1901
1902                 rte_eth_promiscuous_enable(portid);
1903
1904                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1905
1906                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1907                                 (unsigned) portid,
1908                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1909                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1910                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1911                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1912                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1913                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1914
1915                 /* initialize port stats */
1916                 memset(&port_statistics, 0, sizeof(port_statistics));
1917
1918                 /* Setup port forwarding table */
1919                 if (enabled_portcount % 2) {
1920                         l2fwd_dst_ports[portid] = last_portid;
1921                         l2fwd_dst_ports[last_portid] = portid;
1922                 } else {
1923                         last_portid = portid;
1924                 }
1925
1926                 l2fwd_enabled_port_mask |= (1 << portid);
1927                 enabled_portcount++;
1928         }
1929
1930         if (enabled_portcount == 1) {
1931                 l2fwd_dst_ports[last_portid] = last_portid;
1932         } else if (enabled_portcount % 2) {
1933                 printf("odd number of ports in portmask- bye\n");
1934                 return -1;
1935         }
1936
1937         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1938
1939         return enabled_portcount;
1940 }
1941
1942 static void
1943 reserve_key_memory(struct l2fwd_crypto_options *options)
1944 {
1945         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1946                                                 MAX_KEY_SIZE, 0);
1947         if (options->cipher_xform.cipher.key.data == NULL)
1948                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1949
1950
1951         options->auth_xform.auth.key.data = rte_malloc("auth key",
1952                                                 MAX_KEY_SIZE, 0);
1953         if (options->auth_xform.auth.key.data == NULL)
1954                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1955
1956         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1957         if (options->iv.data == NULL)
1958                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1959         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1960
1961         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1962         if (options->aad.data == NULL)
1963                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1964         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1965 }
1966
1967 int
1968 main(int argc, char **argv)
1969 {
1970         struct lcore_queue_conf *qconf;
1971         struct l2fwd_crypto_options options;
1972
1973         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1974         unsigned lcore_id, rx_lcore_id;
1975         int ret, enabled_cdevcount, enabled_portcount;
1976         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1977
1978         /* init EAL */
1979         ret = rte_eal_init(argc, argv);
1980         if (ret < 0)
1981                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1982         argc -= ret;
1983         argv += ret;
1984
1985         /* reserve memory for Cipher/Auth key and IV */
1986         reserve_key_memory(&options);
1987
1988         /* fill out the supported algorithm tables */
1989         fill_supported_algorithm_tables();
1990
1991         /* parse application arguments (after the EAL ones) */
1992         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1993         if (ret < 0)
1994                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1995
1996         /* create the mbuf pool */
1997         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1998                         sizeof(struct rte_crypto_op),
1999                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2000         if (l2fwd_pktmbuf_pool == NULL)
2001                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2002
2003         /* create crypto op pool */
2004         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2005                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
2006                         rte_socket_id());
2007         if (l2fwd_crypto_op_pool == NULL)
2008                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2009
2010         /* Enable Ethernet ports */
2011         enabled_portcount = initialize_ports(&options);
2012         if (enabled_portcount < 1)
2013                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2014
2015         nb_ports = rte_eth_dev_count();
2016         /* Initialize the port/queue configuration of each logical core */
2017         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2018                         portid < nb_ports; portid++) {
2019
2020                 /* skip ports that are not enabled */
2021                 if ((options.portmask & (1 << portid)) == 0)
2022                         continue;
2023
2024                 if (options.single_lcore && qconf == NULL) {
2025                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2026                                 rx_lcore_id++;
2027                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2028                                         rte_exit(EXIT_FAILURE,
2029                                                         "Not enough cores\n");
2030                         }
2031                 } else if (!options.single_lcore) {
2032                         /* get the lcore_id for this port */
2033                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2034                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2035                                options.nb_ports_per_lcore) {
2036                                 rx_lcore_id++;
2037                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2038                                         rte_exit(EXIT_FAILURE,
2039                                                         "Not enough cores\n");
2040                         }
2041                 }
2042
2043                 /* Assigned a new logical core in the loop above. */
2044                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2045                         qconf = &lcore_queue_conf[rx_lcore_id];
2046
2047                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2048                 qconf->nb_rx_ports++;
2049
2050                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2051         }
2052
2053         /* Enable Crypto devices */
2054         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2055                         enabled_cdevs);
2056         if (enabled_cdevcount < 0)
2057                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2058
2059         if (enabled_cdevcount < enabled_portcount)
2060                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2061                                 "has to be more or equal to number of ports (%d)\n",
2062                                 enabled_cdevcount, enabled_portcount);
2063
2064         nb_cryptodevs = rte_cryptodev_count();
2065
2066         /* Initialize the port/cryptodev configuration of each logical core */
2067         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2068                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2069                         cdev_id++) {
2070                 /* Crypto op not supported by crypto device */
2071                 if (!enabled_cdevs[cdev_id])
2072                         continue;
2073
2074                 if (options.single_lcore && qconf == NULL) {
2075                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2076                                 rx_lcore_id++;
2077                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2078                                         rte_exit(EXIT_FAILURE,
2079                                                         "Not enough cores\n");
2080                         }
2081                 } else if (!options.single_lcore) {
2082                         /* get the lcore_id for this port */
2083                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2084                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2085                                options.nb_ports_per_lcore) {
2086                                 rx_lcore_id++;
2087                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2088                                         rte_exit(EXIT_FAILURE,
2089                                                         "Not enough cores\n");
2090                         }
2091                 }
2092
2093                 /* Assigned a new logical core in the loop above. */
2094                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2095                         qconf = &lcore_queue_conf[rx_lcore_id];
2096
2097                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2098                 qconf->nb_crypto_devs++;
2099
2100                 enabled_cdevcount--;
2101
2102                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2103                                 (unsigned)cdev_id);
2104         }
2105
2106         /* launch per-lcore init on every lcore */
2107         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2108                         CALL_MASTER);
2109         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2110                 if (rte_eal_wait_lcore(lcore_id) < 0)
2111                         return -1;
2112         }
2113
2114         return 0;
2115 }