examples/l2fwd-crypto/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2016 Intel Corporation
   3  */
   4
   5 #include <time.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <sys/types.h>
  12 #include <sys/queue.h>
  13 #include <netinet/in.h>
  14 #include <setjmp.h>
  15 #include <stdarg.h>
  16 #include <ctype.h>
  17 #include <errno.h>
  18 #include <getopt.h>
  19 #include <fcntl.h>
  20 #include <unistd.h>
  21 #include <signal.h>
  22
  23 #include <rte_string_fns.h>
  24 #include <rte_branch_prediction.h>
  25 #include <rte_common.h>
  26 #include <rte_cryptodev.h>
  27 #include <rte_cycles.h>
  28 #include <rte_debug.h>
  29 #include <rte_eal.h>
  30 #include <rte_ether.h>
  31 #include <rte_ethdev.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_ip.h>
  34 #include <rte_launch.h>
  35 #include <rte_lcore.h>
  36 #include <rte_log.h>
  37 #include <rte_malloc.h>
  38 #include <rte_mbuf.h>
  39 #include <rte_memcpy.h>
  40 #include <rte_memory.h>
  41 #include <rte_mempool.h>
  42 #include <rte_per_lcore.h>
  43 #include <rte_prefetch.h>
  44 #include <rte_random.h>
  45 #include <rte_hexdump.h>
  46 #ifdef RTE_CRYPTO_SCHEDULER
  47 #include <rte_cryptodev_scheduler.h>
  48 #endif
  49
  50 enum cdev_type {
  51         CDEV_TYPE_ANY,
  52         CDEV_TYPE_HW,
  53         CDEV_TYPE_SW
  54 };
  55
  56 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  57
  58 #define NB_MBUF   8192
  59
  60 #define MAX_STR_LEN 32
  61 #define MAX_KEY_SIZE 128
  62 #define MAX_IV_SIZE 16
  63 #define MAX_AAD_SIZE 65535
  64 #define MAX_PKT_BURST 32
  65 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  66 #define SESSION_POOL_CACHE_SIZE 0
  67
  68 #define MAXIMUM_IV_LENGTH       16
  69 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  70                                 sizeof(struct rte_crypto_sym_op))
  71
  72 /*
  73  * Configurable number of RX/TX ring descriptors
  74  */
  75 #define RTE_TEST_RX_DESC_DEFAULT 1024
  76 #define RTE_TEST_TX_DESC_DEFAULT 1024
  77
  78 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  79 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  80
  81 /* ethernet addresses of ports */
  82 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  83
  84 /* mask of enabled ports */
  85 static uint64_t l2fwd_enabled_port_mask;
  86 static uint64_t l2fwd_enabled_crypto_mask;
  87
  88 /* list of enabled ports */
  89 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
  90
  91
  92 struct pkt_buffer {
  93         unsigned len;
  94         struct rte_mbuf *buffer[MAX_PKT_BURST];
  95 };
  96
  97 struct op_buffer {
  98         unsigned len;
  99         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 100 };
 101
 102 #define MAX_RX_QUEUE_PER_LCORE 16
 103 #define MAX_TX_QUEUE_PER_PORT 16
 104
 105 enum l2fwd_crypto_xform_chain {
 106         L2FWD_CRYPTO_CIPHER_HASH,
 107         L2FWD_CRYPTO_HASH_CIPHER,
 108         L2FWD_CRYPTO_CIPHER_ONLY,
 109         L2FWD_CRYPTO_HASH_ONLY,
 110         L2FWD_CRYPTO_AEAD
 111 };
 112
 113 struct l2fwd_key {
 114         uint8_t *data;
 115         uint32_t length;
 116         rte_iova_t phys_addr;
 117 };
 118
 119 struct l2fwd_iv {
 120         uint8_t *data;
 121         uint16_t length;
 122 };
 123
 124 /** l2fwd crypto application command line options */
 125 struct l2fwd_crypto_options {
 126         unsigned portmask;
 127         unsigned nb_ports_per_lcore;
 128         unsigned refresh_period;
 129         unsigned single_lcore:1;
 130
 131         enum cdev_type type;
 132         unsigned sessionless:1;
 133
 134         enum l2fwd_crypto_xform_chain xform_chain;
 135
 136         struct rte_crypto_sym_xform cipher_xform;
 137         unsigned ckey_param;
 138         int ckey_random_size;
 139         uint8_t cipher_key[MAX_KEY_SIZE];
 140
 141         struct l2fwd_iv cipher_iv;
 142         unsigned int cipher_iv_param;
 143         int cipher_iv_random_size;
 144
 145         struct rte_crypto_sym_xform auth_xform;
 146         uint8_t akey_param;
 147         int akey_random_size;
 148         uint8_t auth_key[MAX_KEY_SIZE];
 149
 150         struct l2fwd_iv auth_iv;
 151         unsigned int auth_iv_param;
 152         int auth_iv_random_size;
 153
 154         struct rte_crypto_sym_xform aead_xform;
 155         unsigned int aead_key_param;
 156         int aead_key_random_size;
 157         uint8_t aead_key[MAX_KEY_SIZE];
 158
 159         struct l2fwd_iv aead_iv;
 160         unsigned int aead_iv_param;
 161         int aead_iv_random_size;
 162
 163         struct l2fwd_key aad;
 164         unsigned aad_param;
 165         int aad_random_size;
 166
 167         int digest_size;
 168
 169         uint16_t block_size;
 170         char string_type[MAX_STR_LEN];
 171
 172         uint64_t cryptodev_mask;
 173
 174         unsigned int mac_updating;
 175 };
 176
 177 /** l2fwd crypto lcore params */
 178 struct l2fwd_crypto_params {
 179         uint8_t dev_id;
 180         uint8_t qp_id;
 181
 182         unsigned digest_length;
 183         unsigned block_size;
 184
 185         uint32_t cipher_dataunit_len;
 186
 187         struct l2fwd_iv cipher_iv;
 188         struct l2fwd_iv auth_iv;
 189         struct l2fwd_iv aead_iv;
 190         struct l2fwd_key aad;
 191         struct rte_cryptodev_sym_session *session;
 192
 193         uint8_t do_cipher;
 194         uint8_t do_hash;
 195         uint8_t do_aead;
 196         uint8_t hash_verify;
 197
 198         enum rte_crypto_cipher_algorithm cipher_algo;
 199         enum rte_crypto_auth_algorithm auth_algo;
 200         enum rte_crypto_aead_algorithm aead_algo;
 201 };
 202
 203 /** lcore configuration */
 204 struct lcore_queue_conf {
 205         unsigned nb_rx_ports;
 206         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 207
 208         unsigned nb_crypto_devs;
 209         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 210
 211         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 212         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 213 } __rte_cache_aligned;
 214
 215 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 216
 217 static struct rte_eth_conf port_conf = {
 218         .rxmode = {
 219                 .mq_mode = RTE_ETH_MQ_RX_NONE,
 220                 .split_hdr_size = 0,
 221         },
 222         .txmode = {
 223                 .mq_mode = RTE_ETH_MQ_TX_NONE,
 224         },
 225 };
 226
 227 struct rte_mempool *l2fwd_pktmbuf_pool;
 228 struct rte_mempool *l2fwd_crypto_op_pool;
 229 static struct {
 230         struct rte_mempool *sess_mp;
 231         struct rte_mempool *priv_mp;
 232 } session_pool_socket[RTE_MAX_NUMA_NODES];
 233
 234 /* Per-port statistics struct */
 235 struct l2fwd_port_statistics {
 236         uint64_t tx;
 237         uint64_t rx;
 238
 239         uint64_t crypto_enqueued;
 240         uint64_t crypto_dequeued;
 241
 242         uint64_t dropped;
 243 } __rte_cache_aligned;
 244
 245 struct l2fwd_crypto_statistics {
 246         uint64_t enqueued;
 247         uint64_t dequeued;
 248
 249         uint64_t errors;
 250 } __rte_cache_aligned;
 251
 252 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 253 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 254
 255 /* A tsc-based timer responsible for triggering statistics printout */
 256 #define TIMER_MILLISECOND (rte_get_tsc_hz() / 1000)
 257 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 258 #define DEFAULT_TIMER_PERIOD 10UL
 259
 260 /* Global signal */
 261 static volatile bool signal_received;
 262
 263 /* Print out statistics on packets dropped */
 264 static void
 265 print_stats(void)
 266 {
 267         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 268         uint64_t total_packets_enqueued, total_packets_dequeued,
 269                 total_packets_errors;
 270         uint16_t portid;
 271         uint64_t cdevid;
 272
 273         total_packets_dropped = 0;
 274         total_packets_tx = 0;
 275         total_packets_rx = 0;
 276         total_packets_enqueued = 0;
 277         total_packets_dequeued = 0;
 278         total_packets_errors = 0;
 279
 280         const char clr[] = { 27, '[', '2', 'J', '\0' };
 281         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 282
 283                 /* Clear screen and move to top left */
 284         printf("%s%s", clr, topLeft);
 285
 286         printf("\nPort statistics ====================================");
 287
 288         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 289                 /* skip disabled ports */
 290                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 291                         continue;
 292                 printf("\nStatistics for port %u ------------------------------"
 293                            "\nPackets sent: %32"PRIu64
 294                            "\nPackets received: %28"PRIu64
 295                            "\nPackets dropped: %29"PRIu64,
 296                            portid,
 297                            port_statistics[portid].tx,
 298                            port_statistics[portid].rx,
 299                            port_statistics[portid].dropped);
 300
 301                 total_packets_dropped += port_statistics[portid].dropped;
 302                 total_packets_tx += port_statistics[portid].tx;
 303                 total_packets_rx += port_statistics[portid].rx;
 304         }
 305         printf("\nCrypto statistics ==================================");
 306
 307         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 308                 /* skip disabled ports */
 309                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 310                         continue;
 311                 printf("\nStatistics for cryptodev %"PRIu64
 312                                 " -------------------------"
 313                            "\nPackets enqueued: %28"PRIu64
 314                            "\nPackets dequeued: %28"PRIu64
 315                            "\nPackets errors: %30"PRIu64,
 316                            cdevid,
 317                            crypto_statistics[cdevid].enqueued,
 318                            crypto_statistics[cdevid].dequeued,
 319                            crypto_statistics[cdevid].errors);
 320
 321                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 322                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 323                 total_packets_errors += crypto_statistics[cdevid].errors;
 324         }
 325         printf("\nAggregate statistics ==============================="
 326                    "\nTotal packets received: %22"PRIu64
 327                    "\nTotal packets enqueued: %22"PRIu64
 328                    "\nTotal packets dequeued: %22"PRIu64
 329                    "\nTotal packets sent: %26"PRIu64
 330                    "\nTotal packets dropped: %23"PRIu64
 331                    "\nTotal packets crypto errors: %17"PRIu64,
 332                    total_packets_rx,
 333                    total_packets_enqueued,
 334                    total_packets_dequeued,
 335                    total_packets_tx,
 336                    total_packets_dropped,
 337                    total_packets_errors);
 338         printf("\n====================================================\n");
 339
 340         fflush(stdout);
 341 }
 342
 343 /* l2fwd_crypto_send_burst 8< */
 344 static int
 345 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 346                 struct l2fwd_crypto_params *cparams)
 347 {
 348         struct rte_crypto_op **op_buffer;
 349         unsigned ret;
 350
 351         op_buffer = (struct rte_crypto_op **)
 352                         qconf->op_buf[cparams->dev_id].buffer;
 353
 354         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 355                         cparams->qp_id, op_buffer, (uint16_t) n);
 356
 357         crypto_statistics[cparams->dev_id].enqueued += ret;
 358         if (unlikely(ret < n)) {
 359                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 360                 do {
 361                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 362                         rte_crypto_op_free(op_buffer[ret]);
 363                 } while (++ret < n);
 364         }
 365
 366         return 0;
 367 }
 368 /* >8 End of l2fwd_crypto_send_burst. */
 369
 370 /* Crypto enqueue. 8< */
 371 static int
 372 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 373                 struct l2fwd_crypto_params *cparams)
 374 {
 375         unsigned lcore_id, len;
 376         struct lcore_queue_conf *qconf;
 377
 378         lcore_id = rte_lcore_id();
 379
 380         qconf = &lcore_queue_conf[lcore_id];
 381         len = qconf->op_buf[cparams->dev_id].len;
 382         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 383         len++;
 384
 385         /* enough ops to be sent */
 386         if (len == MAX_PKT_BURST) {
 387                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 388                 len = 0;
 389         }
 390
 391         qconf->op_buf[cparams->dev_id].len = len;
 392         return 0;
 393 }
 394 /* >8 End of crypto enqueue. */
 395
 396 static int
 397 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 398                 struct rte_crypto_op *op,
 399                 struct l2fwd_crypto_params *cparams)
 400 {
 401         struct rte_ether_hdr *eth_hdr;
 402         struct rte_ipv4_hdr *ip_hdr;
 403
 404         uint32_t ipdata_offset, data_len;
 405         uint32_t pad_len = 0;
 406         char *padding;
 407
 408         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 409
 410         if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 411                 return -1;
 412
 413         ipdata_offset = sizeof(struct rte_ether_hdr);
 414
 415         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 416                         ipdata_offset);
 417
 418         ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
 419                         * RTE_IPV4_IHL_MULTIPLIER;
 420
 421
 422         /* Zero pad data to be crypto'd so it is block aligned */
 423         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 424
 425         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 426                 data_len -= cparams->digest_length;
 427
 428         if (cparams->do_cipher) {
 429                 /*
 430                  * Following algorithms are block cipher algorithms,
 431                  * and might need padding
 432                  */
 433                 switch (cparams->cipher_algo) {
 434                 case RTE_CRYPTO_CIPHER_AES_CBC:
 435                 case RTE_CRYPTO_CIPHER_AES_ECB:
 436                 case RTE_CRYPTO_CIPHER_DES_CBC:
 437                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 438                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 439                         if (data_len % cparams->block_size)
 440                                 pad_len = cparams->block_size -
 441                                         (data_len % cparams->block_size);
 442                         break;
 443                 case RTE_CRYPTO_CIPHER_AES_XTS:
 444                         if (cparams->cipher_dataunit_len != 0 &&
 445                             (data_len % cparams->cipher_dataunit_len))
 446                                 pad_len = cparams->cipher_dataunit_len -
 447                                         (data_len % cparams->cipher_dataunit_len);
 448                         break;
 449                 default:
 450                         pad_len = 0;
 451                 }
 452
 453                 if (pad_len) {
 454                         padding = rte_pktmbuf_append(m, pad_len);
 455                         if (unlikely(!padding))
 456                                 return -1;
 457
 458                         data_len += pad_len;
 459                         memset(padding, 0, pad_len);
 460                 }
 461         }
 462
 463         /* Set crypto operation data parameters */
 464         rte_crypto_op_attach_sym_session(op, cparams->session);
 465
 466         if (cparams->do_hash) {
 467                 if (cparams->auth_iv.length) {
 468                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 469                                                 uint8_t *,
 470                                                 IV_OFFSET +
 471                                                 cparams->cipher_iv.length);
 472                         /*
 473                          * Copy IV at the end of the crypto operation,
 474                          * after the cipher IV, if added
 475                          */
 476                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 477                                         cparams->auth_iv.length);
 478                 }
 479                 if (!cparams->hash_verify) {
 480                         /* Append space for digest to end of packet */
 481                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 482                                 cparams->digest_length);
 483                 } else {
 484                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 485                                 uint8_t *) + ipdata_offset + data_len;
 486                 }
 487
 488                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 489                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 490
 491                 /* For wireless algorithms, offset/length must be in bits */
 492                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 493                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 494                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 495                         op->sym->auth.data.offset = ipdata_offset << 3;
 496                         op->sym->auth.data.length = data_len << 3;
 497                 } else {
 498                         op->sym->auth.data.offset = ipdata_offset;
 499                         op->sym->auth.data.length = data_len;
 500                 }
 501         }
 502
 503         if (cparams->do_cipher) {
 504                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 505                                                         IV_OFFSET);
 506                 /* Copy IV at the end of the crypto operation */
 507                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 508                                 cparams->cipher_iv.length);
 509
 510                 /* For wireless algorithms, offset/length must be in bits */
 511                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 512                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 513                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 514                         op->sym->cipher.data.offset = ipdata_offset << 3;
 515                         op->sym->cipher.data.length = data_len << 3;
 516                 } else {
 517                         op->sym->cipher.data.offset = ipdata_offset;
 518                         op->sym->cipher.data.length = data_len;
 519                 }
 520         }
 521
 522         if (cparams->do_aead) {
 523                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 524                                                         IV_OFFSET);
 525                 /* Copy IV at the end of the crypto operation */
 526                 /*
 527                  * If doing AES-CCM, nonce is copied one byte
 528                  * after the start of IV field
 529                  */
 530                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 531                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 532                                         cparams->aead_iv.length);
 533                 else
 534                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 535                                         cparams->aead_iv.length);
 536
 537                 op->sym->aead.data.offset = ipdata_offset;
 538                 op->sym->aead.data.length = data_len;
 539
 540                 if (!cparams->hash_verify) {
 541                         /* Append space for digest to end of packet */
 542                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 543                                 cparams->digest_length);
 544                 } else {
 545                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 546                                 uint8_t *) + ipdata_offset + data_len;
 547                 }
 548
 549                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 550                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 551
 552                 if (cparams->aad.length) {
 553                         op->sym->aead.aad.data = cparams->aad.data;
 554                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 555                 }
 556         }
 557
 558         op->sym->m_src = m;
 559
 560         return l2fwd_crypto_enqueue(op, cparams);
 561 }
 562
 563
 564 /* Send the burst of packets on an output interface */
 565 static int
 566 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 567                 uint16_t port)
 568 {
 569         struct rte_mbuf **pkt_buffer;
 570         unsigned ret;
 571
 572         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 573
 574         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 575         port_statistics[port].tx += ret;
 576         if (unlikely(ret < n)) {
 577                 port_statistics[port].dropped += (n - ret);
 578                 do {
 579                         rte_pktmbuf_free(pkt_buffer[ret]);
 580                 } while (++ret < n);
 581         }
 582
 583         return 0;
 584 }
 585
 586 /* Enqueue packets for TX and prepare them to be sent. 8< */
 587 static int
 588 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 589 {
 590         unsigned lcore_id, len;
 591         struct lcore_queue_conf *qconf;
 592
 593         lcore_id = rte_lcore_id();
 594
 595         qconf = &lcore_queue_conf[lcore_id];
 596         len = qconf->pkt_buf[port].len;
 597         qconf->pkt_buf[port].buffer[len] = m;
 598         len++;
 599
 600         /* enough pkts to be sent */
 601         if (unlikely(len == MAX_PKT_BURST)) {
 602                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 603                 len = 0;
 604         }
 605
 606         qconf->pkt_buf[port].len = len;
 607         return 0;
 608 }
 609 /* >8 End of Enqueuing packets for TX. */
 610
 611 static void
 612 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 613 {
 614         struct rte_ether_hdr *eth;
 615         void *tmp;
 616
 617         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 618
 619         /* 02:00:00:00:00:xx */
 620         tmp = &eth->dst_addr.addr_bytes[0];
 621         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 622
 623         /* src addr */
 624         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->src_addr);
 625 }
 626
 627 static void
 628 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 629                 struct l2fwd_crypto_options *options)
 630 {
 631         uint16_t dst_port;
 632         uint32_t pad_len;
 633         struct rte_ipv4_hdr *ip_hdr;
 634         uint32_t ipdata_offset = sizeof(struct rte_ether_hdr);
 635
 636         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 637                                          ipdata_offset);
 638         dst_port = l2fwd_dst_ports[portid];
 639
 640         if (options->mac_updating)
 641                 l2fwd_mac_updating(m, dst_port);
 642
 643         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 644                 rte_pktmbuf_trim(m, options->auth_xform.auth.digest_length);
 645
 646         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
 647                 pad_len = m->pkt_len - rte_be_to_cpu_16(ip_hdr->total_length) -
 648                           ipdata_offset;
 649                 rte_pktmbuf_trim(m, pad_len);
 650         }
 651
 652         l2fwd_send_packet(m, dst_port);
 653 }
 654
 655 /** Generate random key */
 656 static void
 657 generate_random_key(uint8_t *key, unsigned length)
 658 {
 659         int fd;
 660         int ret;
 661
 662         fd = open("/dev/urandom", O_RDONLY);
 663         if (fd < 0)
 664                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 665
 666         ret = read(fd, key, length);
 667         close(fd);
 668
 669         if (ret != (signed)length)
 670                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 671 }
 672
 673 /* Session is created and is later attached to the crypto operation. 8< */
 674 static struct rte_cryptodev_sym_session *
 675 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 676 {
 677         struct rte_crypto_sym_xform *first_xform;
 678         struct rte_cryptodev_sym_session *session;
 679         int retval = rte_cryptodev_socket_id(cdev_id);
 680
 681         if (retval < 0)
 682                 return NULL;
 683
 684         uint8_t socket_id = (uint8_t) retval;
 685
 686         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 687                 first_xform = &options->aead_xform;
 688         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 689                 first_xform = &options->cipher_xform;
 690                 first_xform->next = &options->auth_xform;
 691         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 692                 first_xform = &options->auth_xform;
 693                 first_xform->next = &options->cipher_xform;
 694         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 695                 first_xform = &options->cipher_xform;
 696         } else {
 697                 first_xform = &options->auth_xform;
 698         }
 699
 700         session = rte_cryptodev_sym_session_create(
 701                         session_pool_socket[socket_id].sess_mp);
 702         if (session == NULL)
 703                 return NULL;
 704
 705         if (rte_cryptodev_sym_session_init(cdev_id, session,
 706                                 first_xform,
 707                                 session_pool_socket[socket_id].priv_mp) < 0)
 708                 return NULL;
 709
 710         return session;
 711 }
 712 /* >8 End of creation of session. */
 713
 714 static void
 715 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 716
 717 /* main processing loop */
 718 static void
 719 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 720 {
 721         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 722         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 723
 724         unsigned lcore_id = rte_lcore_id();
 725         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 726         unsigned int i, j, nb_rx, len;
 727         uint16_t portid;
 728         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 729         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 730                         US_PER_S * BURST_TX_DRAIN_US;
 731         struct l2fwd_crypto_params *cparams;
 732         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 733         struct rte_cryptodev_sym_session *session;
 734
 735         if (qconf->nb_rx_ports == 0) {
 736                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 737                 return;
 738         }
 739
 740         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 741
 742         for (i = 0; i < qconf->nb_rx_ports; i++) {
 743
 744                 portid = qconf->rx_port_list[i];
 745                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 746                         portid);
 747         }
 748
 749         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 750                 port_cparams[i].do_cipher = 0;
 751                 port_cparams[i].do_hash = 0;
 752                 port_cparams[i].do_aead = 0;
 753
 754                 switch (options->xform_chain) {
 755                 case L2FWD_CRYPTO_AEAD:
 756                         port_cparams[i].do_aead = 1;
 757                         break;
 758                 case L2FWD_CRYPTO_CIPHER_HASH:
 759                 case L2FWD_CRYPTO_HASH_CIPHER:
 760                         port_cparams[i].do_cipher = 1;
 761                         port_cparams[i].do_hash = 1;
 762                         break;
 763                 case L2FWD_CRYPTO_HASH_ONLY:
 764                         port_cparams[i].do_hash = 1;
 765                         break;
 766                 case L2FWD_CRYPTO_CIPHER_ONLY:
 767                         port_cparams[i].do_cipher = 1;
 768                         break;
 769                 }
 770
 771                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 772                 port_cparams[i].qp_id = 0;
 773
 774                 port_cparams[i].block_size = options->block_size;
 775
 776                 if (port_cparams[i].do_hash) {
 777                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 778                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 779                         if (!options->auth_iv_param)
 780                                 generate_random_key(port_cparams[i].auth_iv.data,
 781                                                 port_cparams[i].auth_iv.length);
 782                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 783                                 port_cparams[i].hash_verify = 1;
 784                         else
 785                                 port_cparams[i].hash_verify = 0;
 786
 787                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 788                         port_cparams[i].digest_length =
 789                                         options->auth_xform.auth.digest_length;
 790                         /* Set IV parameters */
 791                         if (options->auth_iv.length) {
 792                                 options->auth_xform.auth.iv.offset =
 793                                         IV_OFFSET + options->cipher_iv.length;
 794                                 options->auth_xform.auth.iv.length =
 795                                         options->auth_iv.length;
 796                         }
 797                 }
 798
 799                 if (port_cparams[i].do_aead) {
 800                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 801                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 802                         if (!options->aead_iv_param)
 803                                 generate_random_key(port_cparams[i].aead_iv.data,
 804                                                 port_cparams[i].aead_iv.length);
 805                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 806                         port_cparams[i].digest_length =
 807                                         options->aead_xform.aead.digest_length;
 808                         if (options->aead_xform.aead.aad_length) {
 809                                 port_cparams[i].aad.data = options->aad.data;
 810                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 811                                 port_cparams[i].aad.length = options->aad.length;
 812                                 if (!options->aad_param)
 813                                         generate_random_key(port_cparams[i].aad.data,
 814                                                 port_cparams[i].aad.length);
 815                                 /*
 816                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 817                                  * and actual AAD should start from byte 18
 818                                  */
 819                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 820                                         memmove(port_cparams[i].aad.data + 18,
 821                                                         port_cparams[i].aad.data,
 822                                                         port_cparams[i].aad.length);
 823
 824                         } else
 825                                 port_cparams[i].aad.length = 0;
 826
 827                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 828                                 port_cparams[i].hash_verify = 1;
 829                         else
 830                                 port_cparams[i].hash_verify = 0;
 831
 832                         /* Set IV parameters */
 833                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 834                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 835                 }
 836
 837                 if (port_cparams[i].do_cipher) {
 838                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 839                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 840                         if (!options->cipher_iv_param)
 841                                 generate_random_key(port_cparams[i].cipher_iv.data,
 842                                                 port_cparams[i].cipher_iv.length);
 843
 844                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 845                         port_cparams[i].cipher_dataunit_len =
 846                                 options->cipher_xform.cipher.dataunit_len;
 847                         /* Set IV parameters */
 848                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 849                         options->cipher_xform.cipher.iv.length =
 850                                                 options->cipher_iv.length;
 851                 }
 852
 853                 session = initialize_crypto_session(options,
 854                                 port_cparams[i].dev_id);
 855                 if (session == NULL)
 856                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 857
 858                 port_cparams[i].session = session;
 859
 860                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 861                                 port_cparams[i].dev_id);
 862         }
 863
 864         l2fwd_crypto_options_print(options);
 865
 866         /*
 867          * Initialize previous tsc timestamp before the loop,
 868          * to avoid showing the port statistics immediately,
 869          * so user can see the crypto information.
 870          */
 871         prev_tsc = rte_rdtsc();
 872         while (1) {
 873
 874                 cur_tsc = rte_rdtsc();
 875
 876                 /*
 877                  * Crypto device/TX burst queue drain
 878                  */
 879                 diff_tsc = cur_tsc - prev_tsc;
 880                 if (unlikely(diff_tsc > drain_tsc)) {
 881                         /* Enqueue all crypto ops remaining in buffers */
 882                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 883                                 cparams = &port_cparams[i];
 884                                 len = qconf->op_buf[cparams->dev_id].len;
 885                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 886                                 qconf->op_buf[cparams->dev_id].len = 0;
 887                         }
 888                         /* Transmit all packets remaining in buffers */
 889                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 890                                 if (qconf->pkt_buf[portid].len == 0)
 891                                         continue;
 892                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 893                                                  qconf->pkt_buf[portid].len,
 894                                                  portid);
 895                                 qconf->pkt_buf[portid].len = 0;
 896                         }
 897
 898                         /* if timer is enabled */
 899                         if (options->refresh_period > 0) {
 900
 901                                 /* advance the timer */
 902                                 timer_tsc += diff_tsc;
 903
 904                                 /* if timer has reached its timeout */
 905                                 if (unlikely(timer_tsc >=
 906                                                 options->refresh_period)) {
 907
 908                                         /* do this only on main core */
 909                                         if (lcore_id == rte_get_main_lcore()) {
 910                                                 print_stats();
 911                                                 timer_tsc = 0;
 912                                         }
 913                                 }
 914                         }
 915
 916                         prev_tsc = cur_tsc;
 917                 }
 918
 919                 /*
 920                  * Read packet from RX queues
 921                  */
 922                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 923                         portid = qconf->rx_port_list[i];
 924
 925                         cparams = &port_cparams[i];
 926
 927                         nb_rx = rte_eth_rx_burst(portid, 0,
 928                                                  pkts_burst, MAX_PKT_BURST);
 929                         if (unlikely(signal_received))
 930                                 return;
 931
 932                         port_statistics[portid].rx += nb_rx;
 933
 934                         /* Allocate and fillcrypto operations. 8< */
 935                         if (nb_rx) {
 936                                 /*
 937                                  * If we can't allocate a crypto_ops, then drop
 938                                  * the rest of the burst and dequeue and
 939                                  * process the packets to free offload structs
 940                                  */
 941                                 if (rte_crypto_op_bulk_alloc(
 942                                                 l2fwd_crypto_op_pool,
 943                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 944                                                 ops_burst, nb_rx) !=
 945                                                                 nb_rx) {
 946                                         for (j = 0; j < nb_rx; j++)
 947                                                 rte_pktmbuf_free(pkts_burst[j]);
 948
 949                                         nb_rx = 0;
 950                                 }
 951                                 /* >8 End of crypto operation allocated and filled. */
 952
 953                                 /* Enqueue packets from Crypto device*/
 954                                 for (j = 0; j < nb_rx; j++) {
 955                                         m = pkts_burst[j];
 956
 957                                         l2fwd_simple_crypto_enqueue(m,
 958                                                         ops_burst[j], cparams);
 959                                 }
 960                         }
 961
 962                         /* Dequeue packets from Crypto device. 8< */
 963                         do {
 964                                 nb_rx = rte_cryptodev_dequeue_burst(
 965                                                 cparams->dev_id, cparams->qp_id,
 966                                                 ops_burst, MAX_PKT_BURST);
 967
 968                                 crypto_statistics[cparams->dev_id].dequeued +=
 969                                                 nb_rx;
 970
 971                                 /* Forward crypto'd packets */
 972                                 for (j = 0; j < nb_rx; j++) {
 973                                         m = ops_burst[j]->sym->m_src;
 974
 975                                         rte_crypto_op_free(ops_burst[j]);
 976                                         l2fwd_simple_forward(m, portid,
 977                                                         options);
 978                                 }
 979                         } while (nb_rx == MAX_PKT_BURST);
 980                         /* >8 End of dequeue packets from crypto device. */
 981                 }
 982         }
 983 }
 984
 985 static int
 986 l2fwd_launch_one_lcore(void *arg)
 987 {
 988         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 989         return 0;
 990 }
 991
 992 /* Display command line arguments usage */
 993 static void
 994 l2fwd_crypto_usage(const char *prgname)
 995 {
 996         printf("%s [EAL options] --\n"
 997                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 998                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 999                 "  -s manage all ports from single lcore\n"
1000                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
1001                 " (0 to disable, 10 default, 86400 maximum)\n"
1002
1003                 "  --cdev_type HW / SW / ANY\n"
1004                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
1005                 " HASH_ONLY / AEAD\n"
1006
1007                 "  --cipher_algo ALGO\n"
1008                 "  --cipher_op ENCRYPT / DECRYPT\n"
1009                 "  --cipher_key KEY (bytes separated with \":\")\n"
1010                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
1011                 "  --cipher_iv IV (bytes separated with \":\")\n"
1012                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
1013                 "  --cipher_dataunit_len SIZE: length of the algorithm data-unit\n"
1014
1015                 "  --auth_algo ALGO\n"
1016                 "  --auth_op GENERATE / VERIFY\n"
1017                 "  --auth_key KEY (bytes separated with \":\")\n"
1018                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
1019                 "  --auth_iv IV (bytes separated with \":\")\n"
1020                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
1021
1022                 "  --aead_algo ALGO\n"
1023                 "  --aead_op ENCRYPT / DECRYPT\n"
1024                 "  --aead_key KEY (bytes separated with \":\")\n"
1025                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
1026                 "  --aead_iv IV (bytes separated with \":\")\n"
1027                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
1028                 "  --aad AAD (bytes separated with \":\")\n"
1029                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
1030
1031                 "  --digest_size SIZE: size of digest to be generated/verified\n"
1032
1033                 "  --sessionless\n"
1034                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1035
1036                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1037                 "      When enabled:\n"
1038                 "       - The source MAC address is replaced by the TX port MAC address\n"
1039                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1040                prgname);
1041 }
1042
1043 /** Parse crypto device type command line argument */
1044 static int
1045 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1046 {
1047         if (strcmp("HW", optarg) == 0) {
1048                 *type = CDEV_TYPE_HW;
1049                 return 0;
1050         } else if (strcmp("SW", optarg) == 0) {
1051                 *type = CDEV_TYPE_SW;
1052                 return 0;
1053         } else if (strcmp("ANY", optarg) == 0) {
1054                 *type = CDEV_TYPE_ANY;
1055                 return 0;
1056         }
1057
1058         return -1;
1059 }
1060
1061 /** Parse crypto chain xform command line argument */
1062 static int
1063 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1064 {
1065         if (strcmp("CIPHER_HASH", optarg) == 0) {
1066                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1067                 return 0;
1068         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1069                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1070                 return 0;
1071         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1072                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1073                 return 0;
1074         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1075                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1076                 return 0;
1077         } else if (strcmp("AEAD", optarg) == 0) {
1078                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1079                 return 0;
1080         }
1081
1082         return -1;
1083 }
1084
1085 /** Parse crypto cipher algo option command line argument */
1086 static int
1087 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1088 {
1089
1090         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1091                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1092                                 "not supported!\n");
1093                 return -1;
1094         }
1095
1096         return 0;
1097 }
1098
1099 /** Parse crypto cipher operation command line argument */
1100 static int
1101 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1102 {
1103         if (strcmp("ENCRYPT", optarg) == 0) {
1104                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1105                 return 0;
1106         } else if (strcmp("DECRYPT", optarg) == 0) {
1107                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1108                 return 0;
1109         }
1110
1111         printf("Cipher operation not supported!\n");
1112         return -1;
1113 }
1114
1115 /** Parse bytes from command line argument */
1116 static int
1117 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1118 {
1119         unsigned byte_count;
1120         char *token;
1121
1122         errno = 0;
1123         for (byte_count = 0, token = strtok(input_arg, ":");
1124                         (byte_count < max_size) && (token != NULL);
1125                         token = strtok(NULL, ":")) {
1126
1127                 int number = (int)strtol(token, NULL, 16);
1128
1129                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1130                         return -1;
1131
1132                 data[byte_count++] = (uint8_t)number;
1133         }
1134
1135         return byte_count;
1136 }
1137
1138 /** Parse size param*/
1139 static int
1140 parse_size(int *size, const char *q_arg)
1141 {
1142         char *end = NULL;
1143         unsigned long n;
1144
1145         /* parse hexadecimal string */
1146         n = strtoul(q_arg, &end, 10);
1147         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1148                 n = 0;
1149
1150         if (n == 0) {
1151                 printf("invalid size\n");
1152                 return -1;
1153         }
1154
1155         *size = n;
1156         return 0;
1157 }
1158
1159 /** Parse crypto cipher operation command line argument */
1160 static int
1161 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1162 {
1163         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1164                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1165                                 "not supported!\n");
1166                 return -1;
1167         }
1168
1169         return 0;
1170 }
1171
1172 static int
1173 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1174 {
1175         if (strcmp("VERIFY", optarg) == 0) {
1176                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1177                 return 0;
1178         } else if (strcmp("GENERATE", optarg) == 0) {
1179                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1180                 return 0;
1181         }
1182
1183         printf("Authentication operation specified not supported!\n");
1184         return -1;
1185 }
1186
1187 static int
1188 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1189 {
1190         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1191                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1192                                 "not supported!\n");
1193                 return -1;
1194         }
1195
1196         return 0;
1197 }
1198
1199 static int
1200 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1201 {
1202         if (strcmp("ENCRYPT", optarg) == 0) {
1203                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1204                 return 0;
1205         } else if (strcmp("DECRYPT", optarg) == 0) {
1206                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1207                 return 0;
1208         }
1209
1210         printf("AEAD operation specified not supported!\n");
1211         return -1;
1212 }
1213 static int
1214 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1215                 const char *q_arg)
1216 {
1217         char *end = NULL;
1218         uint64_t pm;
1219
1220         /* parse hexadecimal string */
1221         pm = strtoul(q_arg, &end, 16);
1222         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1223                 pm = 0;
1224
1225         options->cryptodev_mask = pm;
1226         if (options->cryptodev_mask == 0) {
1227                 printf("invalid cryptodev_mask specified\n");
1228                 return -1;
1229         }
1230
1231         return 0;
1232 }
1233
1234 /** Parse long options */
1235 static int
1236 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1237                 struct option *lgopts, int option_index)
1238 {
1239         int retval;
1240         int val;
1241
1242         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1243                 retval = parse_cryptodev_type(&options->type, optarg);
1244                 if (retval == 0)
1245                         strlcpy(options->string_type, optarg, MAX_STR_LEN);
1246                 return retval;
1247         }
1248
1249         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1250                 return parse_crypto_opt_chain(options, optarg);
1251
1252         /* Cipher options */
1253         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1254                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1255                                 optarg);
1256
1257         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1258                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1259                                 optarg);
1260
1261         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1262                 options->ckey_param = 1;
1263                 options->cipher_xform.cipher.key.length =
1264                         parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1265                 if (options->cipher_xform.cipher.key.length > 0)
1266                         return 0;
1267                 else
1268                         return -1;
1269         }
1270
1271         else if (strcmp(lgopts[option_index].name, "cipher_dataunit_len") == 0) {
1272                 retval = parse_size(&val, optarg);
1273                 if (retval == 0 && val >= 0) {
1274                         options->cipher_xform.cipher.dataunit_len =
1275                                                                 (uint32_t)val;
1276                         return 0;
1277                 } else
1278                         return -1;
1279         }
1280
1281         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1282                 return parse_size(&options->ckey_random_size, optarg);
1283
1284         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1285                 options->cipher_iv_param = 1;
1286                 options->cipher_iv.length =
1287                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1288                 if (options->cipher_iv.length > 0)
1289                         return 0;
1290                 else
1291                         return -1;
1292         }
1293
1294         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1295                 return parse_size(&options->cipher_iv_random_size, optarg);
1296
1297         /* Authentication options */
1298         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1299                 return parse_auth_algo(&options->auth_xform.auth.algo,
1300                                 optarg);
1301         }
1302
1303         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1304                 return parse_auth_op(&options->auth_xform.auth.op,
1305                                 optarg);
1306
1307         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1308                 options->akey_param = 1;
1309                 options->auth_xform.auth.key.length =
1310                         parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1311                 if (options->auth_xform.auth.key.length > 0)
1312                         return 0;
1313                 else
1314                         return -1;
1315         }
1316
1317         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1318                 return parse_size(&options->akey_random_size, optarg);
1319         }
1320
1321         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1322                 options->auth_iv_param = 1;
1323                 options->auth_iv.length =
1324                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1325                 if (options->auth_iv.length > 0)
1326                         return 0;
1327                 else
1328                         return -1;
1329         }
1330
1331         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1332                 return parse_size(&options->auth_iv_random_size, optarg);
1333
1334         /* AEAD options */
1335         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1336                 return parse_aead_algo(&options->aead_xform.aead.algo,
1337                                 optarg);
1338         }
1339
1340         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1341                 return parse_aead_op(&options->aead_xform.aead.op,
1342                                 optarg);
1343
1344         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1345                 options->aead_key_param = 1;
1346                 options->aead_xform.aead.key.length =
1347                         parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1348                 if (options->aead_xform.aead.key.length > 0)
1349                         return 0;
1350                 else
1351                         return -1;
1352         }
1353
1354         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1355                 return parse_size(&options->aead_key_random_size, optarg);
1356
1357
1358         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1359                 options->aead_iv_param = 1;
1360                 options->aead_iv.length =
1361                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1362                 if (options->aead_iv.length > 0)
1363                         return 0;
1364                 else
1365                         return -1;
1366         }
1367
1368         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1369                 return parse_size(&options->aead_iv_random_size, optarg);
1370
1371         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1372                 options->aad_param = 1;
1373                 options->aad.length =
1374                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1375                 if (options->aad.length > 0)
1376                         return 0;
1377                 else
1378                         return -1;
1379         }
1380
1381         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1382                 return parse_size(&options->aad_random_size, optarg);
1383         }
1384
1385         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1386                 return parse_size(&options->digest_size, optarg);
1387         }
1388
1389         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1390                 options->sessionless = 1;
1391                 return 0;
1392         }
1393
1394         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1395                 return parse_cryptodev_mask(options, optarg);
1396
1397         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1398                 options->mac_updating = 1;
1399                 return 0;
1400         }
1401
1402         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1403                 options->mac_updating = 0;
1404                 return 0;
1405         }
1406
1407         return -1;
1408 }
1409
1410 /** Parse port mask */
1411 static int
1412 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1413                 const char *q_arg)
1414 {
1415         char *end = NULL;
1416         unsigned long pm;
1417
1418         /* parse hexadecimal string */
1419         pm = strtoul(q_arg, &end, 16);
1420         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1421                 pm = 0;
1422
1423         options->portmask = pm;
1424         if (options->portmask == 0) {
1425                 printf("invalid portmask specified\n");
1426                 return -1;
1427         }
1428
1429         return pm;
1430 }
1431
1432 /** Parse number of queues */
1433 static int
1434 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1435                 const char *q_arg)
1436 {
1437         char *end = NULL;
1438         unsigned long n;
1439
1440         /* parse hexadecimal string */
1441         n = strtoul(q_arg, &end, 10);
1442         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1443                 n = 0;
1444         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1445                 n = 0;
1446
1447         options->nb_ports_per_lcore = n;
1448         if (options->nb_ports_per_lcore == 0) {
1449                 printf("invalid number of ports selected\n");
1450                 return -1;
1451         }
1452
1453         return 0;
1454 }
1455
1456 /** Parse timer period */
1457 static int
1458 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1459                 const char *q_arg)
1460 {
1461         char *end = NULL;
1462         unsigned long n;
1463
1464         /* parse number string */
1465         n = (unsigned)strtol(q_arg, &end, 10);
1466         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1467                 n = 0;
1468
1469         if (n >= MAX_TIMER_PERIOD) {
1470                 printf("Warning refresh period specified %lu is greater than "
1471                                 "max value %lu! using max value",
1472                                 n, MAX_TIMER_PERIOD);
1473                 n = MAX_TIMER_PERIOD;
1474         }
1475
1476         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1477
1478         return 0;
1479 }
1480
1481 /** Generate default options for application */
1482 static void
1483 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1484 {
1485         options->portmask = 0xffffffff;
1486         options->nb_ports_per_lcore = 1;
1487         options->refresh_period = DEFAULT_TIMER_PERIOD *
1488                                         TIMER_MILLISECOND * 1000;
1489         options->single_lcore = 0;
1490         options->sessionless = 0;
1491
1492         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1493
1494         /* Cipher Data */
1495         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1496         options->cipher_xform.next = NULL;
1497         options->ckey_param = 0;
1498         options->ckey_random_size = -1;
1499         options->cipher_xform.cipher.key.length = 0;
1500         options->cipher_iv_param = 0;
1501         options->cipher_iv_random_size = -1;
1502         options->cipher_iv.length = 0;
1503
1504         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1505         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1506         options->cipher_xform.cipher.dataunit_len = 0;
1507
1508         /* Authentication Data */
1509         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1510         options->auth_xform.next = NULL;
1511         options->akey_param = 0;
1512         options->akey_random_size = -1;
1513         options->auth_xform.auth.key.length = 0;
1514         options->auth_iv_param = 0;
1515         options->auth_iv_random_size = -1;
1516         options->auth_iv.length = 0;
1517
1518         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1519         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1520
1521         /* AEAD Data */
1522         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1523         options->aead_xform.next = NULL;
1524         options->aead_key_param = 0;
1525         options->aead_key_random_size = -1;
1526         options->aead_xform.aead.key.length = 0;
1527         options->aead_iv_param = 0;
1528         options->aead_iv_random_size = -1;
1529         options->aead_iv.length = 0;
1530
1531         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1532         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1533
1534         options->aad_param = 0;
1535         options->aad_random_size = -1;
1536         options->aad.length = 0;
1537
1538         options->digest_size = -1;
1539
1540         options->type = CDEV_TYPE_ANY;
1541         options->cryptodev_mask = UINT64_MAX;
1542
1543         options->mac_updating = 1;
1544 }
1545
1546 static void
1547 display_cipher_info(struct l2fwd_crypto_options *options)
1548 {
1549         printf("\n---- Cipher information ---\n");
1550         printf("Algorithm: %s\n",
1551                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1552         rte_hexdump(stdout, "Cipher key:",
1553                         options->cipher_xform.cipher.key.data,
1554                         options->cipher_xform.cipher.key.length);
1555         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1556 }
1557
1558 static void
1559 display_auth_info(struct l2fwd_crypto_options *options)
1560 {
1561         printf("\n---- Authentication information ---\n");
1562         printf("Algorithm: %s\n",
1563                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1564         rte_hexdump(stdout, "Auth key:",
1565                         options->auth_xform.auth.key.data,
1566                         options->auth_xform.auth.key.length);
1567         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1568 }
1569
1570 static void
1571 display_aead_info(struct l2fwd_crypto_options *options)
1572 {
1573         printf("\n---- AEAD information ---\n");
1574         printf("Algorithm: %s\n",
1575                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1576         rte_hexdump(stdout, "AEAD key:",
1577                         options->aead_xform.aead.key.data,
1578                         options->aead_xform.aead.key.length);
1579         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1580         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1581 }
1582
1583 static void
1584 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1585 {
1586         char string_cipher_op[MAX_STR_LEN];
1587         char string_auth_op[MAX_STR_LEN];
1588         char string_aead_op[MAX_STR_LEN];
1589
1590         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1591                 strcpy(string_cipher_op, "Encrypt");
1592         else
1593                 strcpy(string_cipher_op, "Decrypt");
1594
1595         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1596                 strcpy(string_auth_op, "Auth generate");
1597         else
1598                 strcpy(string_auth_op, "Auth verify");
1599
1600         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1601                 strcpy(string_aead_op, "Authenticated encryption");
1602         else
1603                 strcpy(string_aead_op, "Authenticated decryption");
1604
1605
1606         printf("Options:-\nn");
1607         printf("portmask: %x\n", options->portmask);
1608         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1609         printf("refresh period : %u\n", options->refresh_period);
1610         printf("single lcore mode: %s\n",
1611                         options->single_lcore ? "enabled" : "disabled");
1612         printf("stats_printing: %s\n",
1613                         options->refresh_period == 0 ? "disabled" : "enabled");
1614
1615         printf("sessionless crypto: %s\n",
1616                         options->sessionless ? "enabled" : "disabled");
1617
1618         if (options->ckey_param && (options->ckey_random_size != -1))
1619                 printf("Cipher key already parsed, ignoring size of random key\n");
1620
1621         if (options->akey_param && (options->akey_random_size != -1))
1622                 printf("Auth key already parsed, ignoring size of random key\n");
1623
1624         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1625                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1626
1627         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1628                 printf("Auth IV already parsed, ignoring size of random IV\n");
1629
1630         if (options->aad_param && (options->aad_random_size != -1))
1631                 printf("AAD already parsed, ignoring size of random AAD\n");
1632
1633         printf("\nCrypto chain: ");
1634         switch (options->xform_chain) {
1635         case L2FWD_CRYPTO_AEAD:
1636                 printf("Input --> %s --> Output\n", string_aead_op);
1637                 display_aead_info(options);
1638                 break;
1639         case L2FWD_CRYPTO_CIPHER_HASH:
1640                 printf("Input --> %s --> %s --> Output\n",
1641                         string_cipher_op, string_auth_op);
1642                 display_cipher_info(options);
1643                 display_auth_info(options);
1644                 break;
1645         case L2FWD_CRYPTO_HASH_CIPHER:
1646                 printf("Input --> %s --> %s --> Output\n",
1647                         string_auth_op, string_cipher_op);
1648                 display_cipher_info(options);
1649                 display_auth_info(options);
1650                 break;
1651         case L2FWD_CRYPTO_HASH_ONLY:
1652                 printf("Input --> %s --> Output\n", string_auth_op);
1653                 display_auth_info(options);
1654                 break;
1655         case L2FWD_CRYPTO_CIPHER_ONLY:
1656                 printf("Input --> %s --> Output\n", string_cipher_op);
1657                 display_cipher_info(options);
1658                 break;
1659         }
1660 }
1661
1662 /* Parse the argument given in the command line of the application */
1663 static int
1664 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1665                 int argc, char **argv)
1666 {
1667         int opt, retval, option_index;
1668         char **argvopt = argv, *prgname = argv[0];
1669
1670         static struct option lgopts[] = {
1671                         { "sessionless", no_argument, 0, 0 },
1672
1673                         { "cdev_type", required_argument, 0, 0 },
1674                         { "chain", required_argument, 0, 0 },
1675
1676                         { "cipher_algo", required_argument, 0, 0 },
1677                         { "cipher_op", required_argument, 0, 0 },
1678                         { "cipher_key", required_argument, 0, 0 },
1679                         { "cipher_key_random_size", required_argument, 0, 0 },
1680                         { "cipher_iv", required_argument, 0, 0 },
1681                         { "cipher_iv_random_size", required_argument, 0, 0 },
1682                         { "cipher_dataunit_len", required_argument, 0, 0},
1683
1684                         { "auth_algo", required_argument, 0, 0 },
1685                         { "auth_op", required_argument, 0, 0 },
1686                         { "auth_key", required_argument, 0, 0 },
1687                         { "auth_key_random_size", required_argument, 0, 0 },
1688                         { "auth_iv", required_argument, 0, 0 },
1689                         { "auth_iv_random_size", required_argument, 0, 0 },
1690
1691                         { "aead_algo", required_argument, 0, 0 },
1692                         { "aead_op", required_argument, 0, 0 },
1693                         { "aead_key", required_argument, 0, 0 },
1694                         { "aead_key_random_size", required_argument, 0, 0 },
1695                         { "aead_iv", required_argument, 0, 0 },
1696                         { "aead_iv_random_size", required_argument, 0, 0 },
1697
1698                         { "aad", required_argument, 0, 0 },
1699                         { "aad_random_size", required_argument, 0, 0 },
1700
1701                         { "digest_size", required_argument, 0, 0 },
1702
1703                         { "sessionless", no_argument, 0, 0 },
1704                         { "cryptodev_mask", required_argument, 0, 0},
1705
1706                         { "mac-updating", no_argument, 0, 0},
1707                         { "no-mac-updating", no_argument, 0, 0},
1708
1709                         { NULL, 0, 0, 0 }
1710         };
1711
1712         l2fwd_crypto_default_options(options);
1713
1714         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1715                         &option_index)) != EOF) {
1716                 switch (opt) {
1717                 /* long options */
1718                 case 0:
1719                         retval = l2fwd_crypto_parse_args_long_options(options,
1720                                         lgopts, option_index);
1721                         if (retval < 0) {
1722                                 l2fwd_crypto_usage(prgname);
1723                                 return -1;
1724                         }
1725                         break;
1726
1727                 /* portmask */
1728                 case 'p':
1729                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1730                         if (retval < 0) {
1731                                 l2fwd_crypto_usage(prgname);
1732                                 return -1;
1733                         }
1734                         break;
1735
1736                 /* nqueue */
1737                 case 'q':
1738                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1739                         if (retval < 0) {
1740                                 l2fwd_crypto_usage(prgname);
1741                                 return -1;
1742                         }
1743                         break;
1744
1745                 /* single  */
1746                 case 's':
1747                         options->single_lcore = 1;
1748
1749                         break;
1750
1751                 /* timer period */
1752                 case 'T':
1753                         retval = l2fwd_crypto_parse_timer_period(options,
1754                                         optarg);
1755                         if (retval < 0) {
1756                                 l2fwd_crypto_usage(prgname);
1757                                 return -1;
1758                         }
1759                         break;
1760
1761                 default:
1762                         l2fwd_crypto_usage(prgname);
1763                         return -1;
1764                 }
1765         }
1766
1767
1768         if (optind >= 0)
1769                 argv[optind-1] = prgname;
1770
1771         retval = optind-1;
1772         optind = 1; /* reset getopt lib */
1773
1774         return retval;
1775 }
1776
1777 /* Check the link status of all ports in up to 9s, and print them finally */
1778 static void
1779 check_all_ports_link_status(uint32_t port_mask)
1780 {
1781 #define CHECK_INTERVAL 100 /* 100ms */
1782 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1783         uint16_t portid;
1784         uint8_t count, all_ports_up, print_flag = 0;
1785         struct rte_eth_link link;
1786         int ret;
1787         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1788
1789         printf("\nChecking link status");
1790         fflush(stdout);
1791         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1792                 all_ports_up = 1;
1793                 RTE_ETH_FOREACH_DEV(portid) {
1794                         if ((port_mask & (1 << portid)) == 0)
1795                                 continue;
1796                         memset(&link, 0, sizeof(link));
1797                         ret = rte_eth_link_get_nowait(portid, &link);
1798                         if (ret < 0) {
1799                                 all_ports_up = 0;
1800                                 if (print_flag == 1)
1801                                         printf("Port %u link get failed: %s\n",
1802                                                 portid, rte_strerror(-ret));
1803                                 continue;
1804                         }
1805                         /* print link status if flag set */
1806                         if (print_flag == 1) {
1807                                 rte_eth_link_to_str(link_status_text,
1808                                         sizeof(link_status_text), &link);
1809                                 printf("Port %d %s\n", portid,
1810                                         link_status_text);
1811                                 continue;
1812                         }
1813                         /* clear all_ports_up flag if any link down */
1814                         if (link.link_status == RTE_ETH_LINK_DOWN) {
1815                                 all_ports_up = 0;
1816                                 break;
1817                         }
1818                 }
1819                 /* after finally printing all link status, get out */
1820                 if (print_flag == 1)
1821                         break;
1822
1823                 if (all_ports_up == 0) {
1824                         printf(".");
1825                         fflush(stdout);
1826                         rte_delay_ms(CHECK_INTERVAL);
1827                 }
1828
1829                 /* set the print_flag if all ports up or timeout */
1830                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1831                         print_flag = 1;
1832                         printf("done\n");
1833                 }
1834         }
1835 }
1836
1837 /* Check if device has to be HW/SW or any */
1838 static int
1839 check_type(const struct l2fwd_crypto_options *options,
1840                 const struct rte_cryptodev_info *dev_info)
1841 {
1842         if (options->type == CDEV_TYPE_HW &&
1843                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1844                 return 0;
1845         if (options->type == CDEV_TYPE_SW &&
1846                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1847                 return 0;
1848         if (options->type == CDEV_TYPE_ANY)
1849                 return 0;
1850
1851         return -1;
1852 }
1853
1854 static const struct rte_cryptodev_capabilities *
1855 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1856                 const struct rte_cryptodev_info *dev_info,
1857                 uint8_t cdev_id)
1858 {
1859         unsigned int i = 0;
1860         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1861         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1862         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1863                                         options->cipher_xform.cipher.algo;
1864
1865         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1866                 cap_cipher_algo = cap->sym.cipher.algo;
1867                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1868                         if (cap_cipher_algo == opt_cipher_algo) {
1869                                 if (check_type(options, dev_info) == 0)
1870                                         break;
1871                         }
1872                 }
1873                 cap = &dev_info->capabilities[++i];
1874         }
1875
1876         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1877                 printf("Algorithm %s not supported by cryptodev %u"
1878                         " or device not of preferred type (%s)\n",
1879                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1880                         cdev_id,
1881                         options->string_type);
1882                 return NULL;
1883         }
1884
1885         return cap;
1886 }
1887
1888 static const struct rte_cryptodev_capabilities *
1889 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1890                 const struct rte_cryptodev_info *dev_info,
1891                 uint8_t cdev_id)
1892 {
1893         unsigned int i = 0;
1894         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1895         enum rte_crypto_auth_algorithm cap_auth_algo;
1896         enum rte_crypto_auth_algorithm opt_auth_algo =
1897                                         options->auth_xform.auth.algo;
1898
1899         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1900                 cap_auth_algo = cap->sym.auth.algo;
1901                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1902                         if (cap_auth_algo == opt_auth_algo) {
1903                                 if (check_type(options, dev_info) == 0)
1904                                         break;
1905                         }
1906                 }
1907                 cap = &dev_info->capabilities[++i];
1908         }
1909
1910         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1911                 printf("Algorithm %s not supported by cryptodev %u"
1912                         " or device not of preferred type (%s)\n",
1913                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1914                         cdev_id,
1915                         options->string_type);
1916                 return NULL;
1917         }
1918
1919         return cap;
1920 }
1921
1922 static const struct rte_cryptodev_capabilities *
1923 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1924                 const struct rte_cryptodev_info *dev_info,
1925                 uint8_t cdev_id)
1926 {
1927         unsigned int i = 0;
1928         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1929         enum rte_crypto_aead_algorithm cap_aead_algo;
1930         enum rte_crypto_aead_algorithm opt_aead_algo =
1931                                         options->aead_xform.aead.algo;
1932
1933         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1934                 cap_aead_algo = cap->sym.aead.algo;
1935                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1936                         if (cap_aead_algo == opt_aead_algo) {
1937                                 if (check_type(options, dev_info) == 0)
1938                                         break;
1939                         }
1940                 }
1941                 cap = &dev_info->capabilities[++i];
1942         }
1943
1944         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1945                 printf("Algorithm %s not supported by cryptodev %u"
1946                         " or device not of preferred type (%s)\n",
1947                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1948                         cdev_id,
1949                         options->string_type);
1950                 return NULL;
1951         }
1952
1953         return cap;
1954 }
1955
1956 /* Check if the device is enabled by cryptodev_mask */
1957 static int
1958 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1959                 uint8_t cdev_id)
1960 {
1961         if (options->cryptodev_mask & (1 << cdev_id))
1962                 return 0;
1963
1964         return -1;
1965 }
1966
1967 static inline int
1968 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1969                 uint16_t increment)
1970 {
1971         uint16_t supp_size;
1972
1973         /* Single value */
1974         if (increment == 0) {
1975                 if (length == min)
1976                         return 0;
1977                 else
1978                         return -1;
1979         }
1980
1981         /* Range of values */
1982         for (supp_size = min; supp_size <= max; supp_size += increment) {
1983                 if (length == supp_size)
1984                         return 0;
1985         }
1986
1987         return -1;
1988 }
1989
1990 static int
1991 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1992                 unsigned int iv_param, int iv_random_size,
1993                 uint16_t iv_length)
1994 {
1995         /*
1996          * Check if length of provided IV is supported
1997          * by the algorithm chosen.
1998          */
1999         if (iv_param) {
2000                 if (check_supported_size(iv_length,
2001                                 iv_range_size->min,
2002                                 iv_range_size->max,
2003                                 iv_range_size->increment)
2004                                         != 0)
2005                         return -1;
2006         /*
2007          * Check if length of IV to be randomly generated
2008          * is supported by the algorithm chosen.
2009          */
2010         } else if (iv_random_size != -1) {
2011                 if (check_supported_size(iv_random_size,
2012                                 iv_range_size->min,
2013                                 iv_range_size->max,
2014                                 iv_range_size->increment)
2015                                         != 0)
2016                         return -1;
2017         }
2018
2019         return 0;
2020 }
2021
2022 static int
2023 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
2024 {
2025         struct rte_cryptodev_info dev_info;
2026         const struct rte_cryptodev_capabilities *cap;
2027
2028         rte_cryptodev_info_get(cdev_id, &dev_info);
2029
2030         /* Set AEAD parameters */
2031         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2032                 /* Check if device supports AEAD algo */
2033                 cap = check_device_support_aead_algo(options, &dev_info,
2034                                                 cdev_id);
2035                 if (cap == NULL)
2036                         return -1;
2037
2038                 if (check_iv_param(&cap->sym.aead.iv_size,
2039                                 options->aead_iv_param,
2040                                 options->aead_iv_random_size,
2041                                 options->aead_iv.length) != 0) {
2042                         RTE_LOG(DEBUG, USER1,
2043                                 "Device %u does not support IV length\n",
2044                                 cdev_id);
2045                         return -1;
2046                 }
2047
2048                 /*
2049                  * Check if length of provided AEAD key is supported
2050                  * by the algorithm chosen.
2051                  */
2052                 if (options->aead_key_param) {
2053                         if (check_supported_size(
2054                                         options->aead_xform.aead.key.length,
2055                                         cap->sym.aead.key_size.min,
2056                                         cap->sym.aead.key_size.max,
2057                                         cap->sym.aead.key_size.increment)
2058                                                 != 0) {
2059                                 RTE_LOG(DEBUG, USER1,
2060                                         "Device %u does not support "
2061                                         "AEAD key length\n",
2062                                         cdev_id);
2063                                 return -1;
2064                         }
2065                 /*
2066                  * Check if length of the aead key to be randomly generated
2067                  * is supported by the algorithm chosen.
2068                  */
2069                 } else if (options->aead_key_random_size != -1) {
2070                         if (check_supported_size(options->aead_key_random_size,
2071                                         cap->sym.aead.key_size.min,
2072                                         cap->sym.aead.key_size.max,
2073                                         cap->sym.aead.key_size.increment)
2074                                                 != 0) {
2075                                 RTE_LOG(DEBUG, USER1,
2076                                         "Device %u does not support "
2077                                         "AEAD key length\n",
2078                                         cdev_id);
2079                                 return -1;
2080                         }
2081                 }
2082
2083
2084                 /*
2085                  * Check if length of provided AAD is supported
2086                  * by the algorithm chosen.
2087                  */
2088                 if (options->aad_param) {
2089                         if (check_supported_size(options->aad.length,
2090                                         cap->sym.aead.aad_size.min,
2091                                         cap->sym.aead.aad_size.max,
2092                                         cap->sym.aead.aad_size.increment)
2093                                                 != 0) {
2094                                 RTE_LOG(DEBUG, USER1,
2095                                         "Device %u does not support "
2096                                         "AAD length\n",
2097                                         cdev_id);
2098                                 return -1;
2099                         }
2100                 /*
2101                  * Check if length of AAD to be randomly generated
2102                  * is supported by the algorithm chosen.
2103                  */
2104                 } else if (options->aad_random_size != -1) {
2105                         if (check_supported_size(options->aad_random_size,
2106                                         cap->sym.aead.aad_size.min,
2107                                         cap->sym.aead.aad_size.max,
2108                                         cap->sym.aead.aad_size.increment)
2109                                                 != 0) {
2110                                 RTE_LOG(DEBUG, USER1,
2111                                         "Device %u does not support "
2112                                         "AAD length\n",
2113                                         cdev_id);
2114                                 return -1;
2115                         }
2116                 }
2117
2118                 /* Check if digest size is supported by the algorithm. */
2119                 if (options->digest_size != -1) {
2120                         if (check_supported_size(options->digest_size,
2121                                         cap->sym.aead.digest_size.min,
2122                                         cap->sym.aead.digest_size.max,
2123                                         cap->sym.aead.digest_size.increment)
2124                                                 != 0) {
2125                                 RTE_LOG(DEBUG, USER1,
2126                                         "Device %u does not support "
2127                                         "digest length\n",
2128                                         cdev_id);
2129                                 return -1;
2130                         }
2131                 }
2132         }
2133
2134         /* Set cipher parameters */
2135         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2136                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2137                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2138
2139                 /* Check if device supports cipher algo. 8< */
2140                 cap = check_device_support_cipher_algo(options, &dev_info,
2141                                                 cdev_id);
2142                 if (cap == NULL)
2143                         return -1;
2144
2145                 if (check_iv_param(&cap->sym.cipher.iv_size,
2146                                 options->cipher_iv_param,
2147                                 options->cipher_iv_random_size,
2148                                 options->cipher_iv.length) != 0) {
2149                         RTE_LOG(DEBUG, USER1,
2150                                 "Device %u does not support IV length\n",
2151                                 cdev_id);
2152                         return -1;
2153                 }
2154                 /* >8 End of check if device supports cipher algo. */
2155
2156                 /* Check if capable cipher is supported. 8< */
2157
2158                 /*
2159                  * Check if length of provided cipher key is supported
2160                  * by the algorithm chosen.
2161                  */
2162                 if (options->ckey_param) {
2163                         if (check_supported_size(
2164                                         options->cipher_xform.cipher.key.length,
2165                                         cap->sym.cipher.key_size.min,
2166                                         cap->sym.cipher.key_size.max,
2167                                         cap->sym.cipher.key_size.increment)
2168                                                 != 0) {
2169                                 if (dev_info.feature_flags &
2170                                     RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY) {
2171                                         RTE_LOG(DEBUG, USER1,
2172                                         "Key length does not match the device "
2173                                         "%u capability. Key may be wrapped\n",
2174                                         cdev_id);
2175                                 } else {
2176                                         RTE_LOG(DEBUG, USER1,
2177                                         "Key length does not match the device "
2178                                         "%u capability\n",
2179                                         cdev_id);
2180                                         return -1;
2181                                 }
2182                         }
2183
2184                 /*
2185                  * Check if length of the cipher key to be randomly generated
2186                  * is supported by the algorithm chosen.
2187                  */
2188                 } else if (options->ckey_random_size != -1) {
2189                         if (check_supported_size(options->ckey_random_size,
2190                                         cap->sym.cipher.key_size.min,
2191                                         cap->sym.cipher.key_size.max,
2192                                         cap->sym.cipher.key_size.increment)
2193                                                 != 0) {
2194                                 RTE_LOG(DEBUG, USER1,
2195                                         "Device %u does not support cipher "
2196                                         "key length\n",
2197                                         cdev_id);
2198                                 return -1;
2199                         }
2200                 }
2201
2202                 if (options->cipher_xform.cipher.dataunit_len > 0) {
2203                         if (!(dev_info.feature_flags &
2204                                 RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS)) {
2205                                 RTE_LOG(DEBUG, USER1,
2206                                         "Device %u does not support "
2207                                         "cipher multiple data units\n",
2208                                         cdev_id);
2209                                 return -1;
2210                         }
2211                         if (cap->sym.cipher.dataunit_set != 0) {
2212                                 int ret = 0;
2213
2214                                 switch (options->cipher_xform.cipher.dataunit_len) {
2215                                 case 512:
2216                                         if (!(cap->sym.cipher.dataunit_set &
2217                                                 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES))
2218                                                 ret = -1;
2219                                         break;
2220                                 case 4096:
2221                                         if (!(cap->sym.cipher.dataunit_set &
2222                                                 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
2223                                                 ret = -1;
2224                                         break;
2225                                 case 1048576:
2226                                         if (!(cap->sym.cipher.dataunit_set &
2227                                                 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES))
2228                                                 ret = -1;
2229                                         break;
2230                                 default:
2231                                         ret = -1;
2232                                 }
2233                                 if (ret == -1) {
2234                                         RTE_LOG(DEBUG, USER1,
2235                                                 "Device %u does not support "
2236                                                 "data-unit length %u\n",
2237                                                 cdev_id,
2238                                                 options->cipher_xform.cipher.dataunit_len);
2239                                         return -1;
2240                                 }
2241                         }
2242                 }
2243                 /* >8 End of checking if cipher is supported. */
2244         }
2245
2246         /* Set auth parameters */
2247         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2248                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2249                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2250                 /* Check if device supports auth algo */
2251                 cap = check_device_support_auth_algo(options, &dev_info,
2252                                                 cdev_id);
2253                 if (cap == NULL)
2254                         return -1;
2255
2256                 if (check_iv_param(&cap->sym.auth.iv_size,
2257                                 options->auth_iv_param,
2258                                 options->auth_iv_random_size,
2259                                 options->auth_iv.length) != 0) {
2260                         RTE_LOG(DEBUG, USER1,
2261                                 "Device %u does not support IV length\n",
2262                                 cdev_id);
2263                         return -1;
2264                 }
2265                 /*
2266                  * Check if length of provided auth key is supported
2267                  * by the algorithm chosen.
2268                  */
2269                 if (options->akey_param) {
2270                         if (check_supported_size(
2271                                         options->auth_xform.auth.key.length,
2272                                         cap->sym.auth.key_size.min,
2273                                         cap->sym.auth.key_size.max,
2274                                         cap->sym.auth.key_size.increment)
2275                                                 != 0) {
2276                                 RTE_LOG(DEBUG, USER1,
2277                                         "Device %u does not support auth "
2278                                         "key length\n",
2279                                         cdev_id);
2280                                 return -1;
2281                         }
2282                 /*
2283                  * Check if length of the auth key to be randomly generated
2284                  * is supported by the algorithm chosen.
2285                  */
2286                 } else if (options->akey_random_size != -1) {
2287                         if (check_supported_size(options->akey_random_size,
2288                                         cap->sym.auth.key_size.min,
2289                                         cap->sym.auth.key_size.max,
2290                                         cap->sym.auth.key_size.increment)
2291                                                 != 0) {
2292                                 RTE_LOG(DEBUG, USER1,
2293                                         "Device %u does not support auth "
2294                                         "key length\n",
2295                                         cdev_id);
2296                                 return -1;
2297                         }
2298                 }
2299
2300                 /* Check if digest size is supported by the algorithm. */
2301                 if (options->digest_size != -1) {
2302                         if (check_supported_size(options->digest_size,
2303                                         cap->sym.auth.digest_size.min,
2304                                         cap->sym.auth.digest_size.max,
2305                                         cap->sym.auth.digest_size.increment)
2306                                                 != 0) {
2307                                 RTE_LOG(DEBUG, USER1,
2308                                         "Device %u does not support "
2309                                         "digest length\n",
2310                                         cdev_id);
2311                                 return -1;
2312                         }
2313                 }
2314         }
2315
2316         return 0;
2317 }
2318
2319 static int
2320 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2321                 uint8_t *enabled_cdevs)
2322 {
2323         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2324         const struct rte_cryptodev_capabilities *cap;
2325         unsigned int sess_sz, max_sess_sz = 0;
2326         uint32_t sessions_needed = 0;
2327         int retval;
2328
2329         cdev_count = rte_cryptodev_count();
2330         if (cdev_count == 0) {
2331                 printf("No crypto devices available\n");
2332                 return -1;
2333         }
2334
2335         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2336                         cdev_id++) {
2337                 if (check_cryptodev_mask(options, cdev_id) < 0)
2338                         continue;
2339
2340                 if (check_capabilities(options, cdev_id) < 0)
2341                         continue;
2342
2343                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2344                 if (sess_sz > max_sess_sz)
2345                         max_sess_sz = sess_sz;
2346
2347                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2348
2349                 enabled_cdevs[cdev_id] = 1;
2350                 enabled_cdev_count++;
2351         }
2352
2353         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2354                 struct rte_cryptodev_qp_conf qp_conf;
2355                 struct rte_cryptodev_info dev_info;
2356
2357                 if (enabled_cdevs[cdev_id] == 0)
2358                         continue;
2359
2360                 if (check_cryptodev_mask(options, cdev_id) < 0)
2361                         continue;
2362
2363                 if (check_capabilities(options, cdev_id) < 0)
2364                         continue;
2365
2366                 retval = rte_cryptodev_socket_id(cdev_id);
2367
2368                 if (retval < 0) {
2369                         printf("Invalid crypto device id used\n");
2370                         return -1;
2371                 }
2372
2373                 uint8_t socket_id = (uint8_t) retval;
2374
2375                 struct rte_cryptodev_config conf = {
2376                         .nb_queue_pairs = 1,
2377                         .socket_id = socket_id,
2378                         .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2379                 };
2380
2381                 rte_cryptodev_info_get(cdev_id, &dev_info);
2382
2383                 /*
2384                  * Two sessions objects are required for each session
2385                  * (one for the header, one for the private data)
2386                  */
2387                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2388 #ifdef RTE_CRYPTO_SCHEDULER
2389                         uint32_t nb_workers =
2390                                 rte_cryptodev_scheduler_workers_get(cdev_id,
2391                                                                 NULL);
2392
2393                         sessions_needed = enabled_cdev_count * nb_workers;
2394 #endif
2395                 } else
2396                         sessions_needed = enabled_cdev_count;
2397
2398                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2399                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2400
2401                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2402                                 "priv_sess_mp_%u", socket_id);
2403
2404                         session_pool_socket[socket_id].priv_mp =
2405                                         rte_mempool_create(mp_name,
2406                                                 sessions_needed,
2407                                                 max_sess_sz,
2408                                                 0, 0, NULL, NULL, NULL,
2409                                                 NULL, socket_id,
2410                                                 0);
2411
2412                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2413                                 printf("Cannot create pool on socket %d\n",
2414                                         socket_id);
2415                                 return -ENOMEM;
2416                         }
2417
2418                         printf("Allocated pool \"%s\" on socket %d\n",
2419                                 mp_name, socket_id);
2420                 }
2421
2422                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2423                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2424                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2425                                 "sess_mp_%u", socket_id);
2426
2427                         session_pool_socket[socket_id].sess_mp =
2428                                         rte_cryptodev_sym_session_pool_create(
2429                                                         mp_name,
2430                                                         sessions_needed,
2431                                                         0, 0, 0, socket_id);
2432
2433                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2434                                 printf("Cannot create pool on socket %d\n",
2435                                         socket_id);
2436                                 return -ENOMEM;
2437                         }
2438
2439                         printf("Allocated pool \"%s\" on socket %d\n",
2440                                 mp_name, socket_id);
2441                 }
2442
2443                 /* Set AEAD parameters */
2444                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2445                         cap = check_device_support_aead_algo(options, &dev_info,
2446                                                         cdev_id);
2447
2448                         options->block_size = cap->sym.aead.block_size;
2449
2450                         /* Set IV if not provided from command line */
2451                         if (options->aead_iv_param == 0) {
2452                                 if (options->aead_iv_random_size != -1)
2453                                         options->aead_iv.length =
2454                                                 options->aead_iv_random_size;
2455                                 /* No size provided, use minimum size. */
2456                                 else
2457                                         options->aead_iv.length =
2458                                                 cap->sym.aead.iv_size.min;
2459                         }
2460
2461                         /* Set key if not provided from command line */
2462                         if (options->aead_key_param == 0) {
2463                                 if (options->aead_key_random_size != -1)
2464                                         options->aead_xform.aead.key.length =
2465                                                 options->aead_key_random_size;
2466                                 /* No size provided, use minimum size. */
2467                                 else
2468                                         options->aead_xform.aead.key.length =
2469                                                 cap->sym.aead.key_size.min;
2470
2471                                 generate_random_key(options->aead_key,
2472                                         options->aead_xform.aead.key.length);
2473                         }
2474
2475                         /* Set AAD if not provided from command line */
2476                         if (options->aad_param == 0) {
2477                                 if (options->aad_random_size != -1)
2478                                         options->aad.length =
2479                                                 options->aad_random_size;
2480                                 /* No size provided, use minimum size. */
2481                                 else
2482                                         options->aad.length =
2483                                                 cap->sym.auth.aad_size.min;
2484                         }
2485
2486                         options->aead_xform.aead.aad_length =
2487                                                 options->aad.length;
2488
2489                         /* Set digest size if not provided from command line */
2490                         if (options->digest_size != -1)
2491                                 options->aead_xform.aead.digest_length =
2492                                                         options->digest_size;
2493                                 /* No size provided, use minimum size. */
2494                         else
2495                                 options->aead_xform.aead.digest_length =
2496                                                 cap->sym.aead.digest_size.min;
2497                 }
2498
2499                 /* Set cipher parameters */
2500                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2501                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2502                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2503                         cap = check_device_support_cipher_algo(options, &dev_info,
2504                                                         cdev_id);
2505                         options->block_size = cap->sym.cipher.block_size;
2506
2507                         /* Set IV if not provided from command line */
2508                         if (options->cipher_iv_param == 0) {
2509                                 if (options->cipher_iv_random_size != -1)
2510                                         options->cipher_iv.length =
2511                                                 options->cipher_iv_random_size;
2512                                 /* No size provided, use minimum size. */
2513                                 else
2514                                         options->cipher_iv.length =
2515                                                 cap->sym.cipher.iv_size.min;
2516                         }
2517
2518                         /* Set key if not provided from command line */
2519                         if (options->ckey_param == 0) {
2520                                 if (options->ckey_random_size != -1)
2521                                         options->cipher_xform.cipher.key.length =
2522                                                 options->ckey_random_size;
2523                                 /* No size provided, use minimum size. */
2524                                 else
2525                                         options->cipher_xform.cipher.key.length =
2526                                                 cap->sym.cipher.key_size.min;
2527
2528                                 generate_random_key(options->cipher_key,
2529                                         options->cipher_xform.cipher.key.length);
2530                         }
2531                 }
2532
2533                 /* Set auth parameters */
2534                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2535                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2536                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2537                         cap = check_device_support_auth_algo(options, &dev_info,
2538                                                         cdev_id);
2539
2540                         /* Set IV if not provided from command line */
2541                         if (options->auth_iv_param == 0) {
2542                                 if (options->auth_iv_random_size != -1)
2543                                         options->auth_iv.length =
2544                                                 options->auth_iv_random_size;
2545                                 /* No size provided, use minimum size. */
2546                                 else
2547                                         options->auth_iv.length =
2548                                                 cap->sym.auth.iv_size.min;
2549                         }
2550
2551                         /* Set key if not provided from command line */
2552                         if (options->akey_param == 0) {
2553                                 if (options->akey_random_size != -1)
2554                                         options->auth_xform.auth.key.length =
2555                                                 options->akey_random_size;
2556                                 /* No size provided, use minimum size. */
2557                                 else
2558                                         options->auth_xform.auth.key.length =
2559                                                 cap->sym.auth.key_size.min;
2560
2561                                 generate_random_key(options->auth_key,
2562                                         options->auth_xform.auth.key.length);
2563                         }
2564
2565                         /* Set digest size if not provided from command line */
2566                         if (options->digest_size != -1)
2567                                 options->auth_xform.auth.digest_length =
2568                                                         options->digest_size;
2569                                 /* No size provided, use minimum size. */
2570                         else
2571                                 options->auth_xform.auth.digest_length =
2572                                                 cap->sym.auth.digest_size.min;
2573                 }
2574
2575                 retval = rte_cryptodev_configure(cdev_id, &conf);
2576                 if (retval < 0) {
2577                         printf("Failed to configure cryptodev %u", cdev_id);
2578                         return -1;
2579                 }
2580
2581                 qp_conf.nb_descriptors = 2048;
2582                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2583                 qp_conf.mp_session_private =
2584                                 session_pool_socket[socket_id].priv_mp;
2585
2586                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2587                                 socket_id);
2588                 if (retval < 0) {
2589                         printf("Failed to setup queue pair %u on cryptodev %u",
2590                                         0, cdev_id);
2591                         return -1;
2592                 }
2593
2594                 retval = rte_cryptodev_start(cdev_id);
2595                 if (retval < 0) {
2596                         printf("Failed to start device %u: error %d\n",
2597                                         cdev_id, retval);
2598                         return -1;
2599                 }
2600         }
2601
2602         return enabled_cdev_count;
2603 }
2604
2605 static int
2606 initialize_ports(struct l2fwd_crypto_options *options)
2607 {
2608         uint16_t last_portid = 0, portid;
2609         unsigned enabled_portcount = 0;
2610         unsigned nb_ports = rte_eth_dev_count_avail();
2611
2612         if (nb_ports == 0) {
2613                 printf("No Ethernet ports - bye\n");
2614                 return -1;
2615         }
2616
2617         /* Reset l2fwd_dst_ports */
2618         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2619                 l2fwd_dst_ports[portid] = 0;
2620
2621         RTE_ETH_FOREACH_DEV(portid) {
2622                 int retval;
2623                 struct rte_eth_dev_info dev_info;
2624                 struct rte_eth_rxconf rxq_conf;
2625                 struct rte_eth_txconf txq_conf;
2626                 struct rte_eth_conf local_port_conf = port_conf;
2627
2628                 /* Skip ports that are not enabled */
2629                 if ((options->portmask & (1 << portid)) == 0)
2630                         continue;
2631
2632                 /* init port */
2633                 printf("Initializing port %u... ", portid);
2634                 fflush(stdout);
2635
2636                 retval = rte_eth_dev_info_get(portid, &dev_info);
2637                 if (retval != 0) {
2638                         printf("Error during getting device (port %u) info: %s\n",
2639                                         portid, strerror(-retval));
2640                         return retval;
2641                 }
2642
2643                 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
2644                         local_port_conf.txmode.offloads |=
2645                                 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
2646                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2647                 if (retval < 0) {
2648                         printf("Cannot configure device: err=%d, port=%u\n",
2649                                   retval, portid);
2650                         return -1;
2651                 }
2652
2653                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2654                                                           &nb_txd);
2655                 if (retval < 0) {
2656                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2657                                 retval, portid);
2658                         return -1;
2659                 }
2660
2661                 /* init one RX queue */
2662                 fflush(stdout);
2663                 rxq_conf = dev_info.default_rxconf;
2664                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2665                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2666                                              rte_eth_dev_socket_id(portid),
2667                                              &rxq_conf, l2fwd_pktmbuf_pool);
2668                 if (retval < 0) {
2669                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2670                                         retval, portid);
2671                         return -1;
2672                 }
2673
2674                 /* init one TX queue on each port */
2675                 fflush(stdout);
2676                 txq_conf = dev_info.default_txconf;
2677                 txq_conf.offloads = local_port_conf.txmode.offloads;
2678                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2679                                 rte_eth_dev_socket_id(portid),
2680                                 &txq_conf);
2681                 if (retval < 0) {
2682                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2683                                 retval, portid);
2684
2685                         return -1;
2686                 }
2687
2688                 /* Start device */
2689                 retval = rte_eth_dev_start(portid);
2690                 if (retval < 0) {
2691                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2692                                         retval, portid);
2693                         return -1;
2694                 }
2695
2696                 retval = rte_eth_promiscuous_enable(portid);
2697                 if (retval != 0) {
2698                         printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2699                                 rte_strerror(-retval), portid);
2700                         return -1;
2701                 }
2702
2703                 retval = rte_eth_macaddr_get(portid,
2704                                              &l2fwd_ports_eth_addr[portid]);
2705                 if (retval < 0) {
2706                         printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2707                                         retval, portid);
2708                         return -1;
2709                 }
2710
2711                 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
2712                         portid,
2713                         RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
2714
2715                 /* initialize port stats */
2716                 memset(&port_statistics, 0, sizeof(port_statistics));
2717
2718                 /* Setup port forwarding table */
2719                 if (enabled_portcount % 2) {
2720                         l2fwd_dst_ports[portid] = last_portid;
2721                         l2fwd_dst_ports[last_portid] = portid;
2722                 } else {
2723                         last_portid = portid;
2724                 }
2725
2726                 l2fwd_enabled_port_mask |= (1ULL << portid);
2727                 enabled_portcount++;
2728         }
2729
2730         if (enabled_portcount == 1) {
2731                 l2fwd_dst_ports[last_portid] = last_portid;
2732         } else if (enabled_portcount % 2) {
2733                 printf("odd number of ports in portmask- bye\n");
2734                 return -1;
2735         }
2736
2737         check_all_ports_link_status(l2fwd_enabled_port_mask);
2738
2739         return enabled_portcount;
2740 }
2741
2742 static void
2743 reserve_key_memory(struct l2fwd_crypto_options *options)
2744 {
2745         options->cipher_xform.cipher.key.data = options->cipher_key;
2746
2747         options->auth_xform.auth.key.data = options->auth_key;
2748
2749         options->aead_xform.aead.key.data = options->aead_key;
2750
2751         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2752         if (options->cipher_iv.data == NULL)
2753                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2754
2755         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2756         if (options->auth_iv.data == NULL)
2757                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2758
2759         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2760         if (options->aead_iv.data == NULL)
2761                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2762
2763         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2764         if (options->aad.data == NULL)
2765                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2766         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2767 }
2768
2769 static void
2770 raise_signal(int signum)
2771 {
2772         if (signum == SIGINT || signum == SIGTERM)
2773                 signal_received = true;
2774 }
2775
2776 int
2777 main(int argc, char **argv)
2778 {
2779         struct lcore_queue_conf *qconf = NULL;
2780         struct l2fwd_crypto_options options;
2781
2782         uint8_t nb_cryptodevs, cdev_id;
2783         uint16_t portid;
2784         unsigned lcore_id, rx_lcore_id = 0;
2785         int ret, enabled_cdevcount, enabled_portcount;
2786         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2787
2788         signal(SIGINT, raise_signal);
2789         signal(SIGTERM, raise_signal);
2790
2791         /* init EAL */
2792         ret = rte_eal_init(argc, argv);
2793         if (ret < 0)
2794                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2795         argc -= ret;
2796         argv += ret;
2797
2798         /* reserve memory for Cipher/Auth key and IV */
2799         reserve_key_memory(&options);
2800
2801         /* parse application arguments (after the EAL ones) */
2802         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2803         if (ret < 0)
2804                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2805
2806         printf("MAC updating %s\n",
2807                         options.mac_updating ? "enabled" : "disabled");
2808
2809         /* create the mbuf pool */
2810         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2811                         RTE_ALIGN(sizeof(struct rte_crypto_op),
2812                                 RTE_CACHE_LINE_SIZE),
2813                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2814         if (l2fwd_pktmbuf_pool == NULL)
2815                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2816
2817         /* create crypto op pool */
2818         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2819                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2820                         rte_socket_id());
2821         if (l2fwd_crypto_op_pool == NULL)
2822                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2823
2824         /* Enable Ethernet ports */
2825         enabled_portcount = initialize_ports(&options);
2826         if (enabled_portcount < 1)
2827                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2828
2829         /* Initialize the port/queue configuration of each logical core */
2830         RTE_ETH_FOREACH_DEV(portid) {
2831
2832                 /* skip ports that are not enabled */
2833                 if ((options.portmask & (1 << portid)) == 0)
2834                         continue;
2835
2836                 if (options.single_lcore && qconf == NULL) {
2837                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2838                                 rx_lcore_id++;
2839                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2840                                         rte_exit(EXIT_FAILURE,
2841                                                         "Not enough cores\n");
2842                         }
2843                 } else if (!options.single_lcore) {
2844                         /* get the lcore_id for this port */
2845                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2846                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2847                                options.nb_ports_per_lcore) {
2848                                 rx_lcore_id++;
2849                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2850                                         rte_exit(EXIT_FAILURE,
2851                                                         "Not enough cores\n");
2852                         }
2853                 }
2854
2855                 /* Assigned a new logical core in the loop above. */
2856                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2857                         qconf = &lcore_queue_conf[rx_lcore_id];
2858
2859                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2860                 qconf->nb_rx_ports++;
2861
2862                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2863         }
2864
2865         /* Enable Crypto devices */
2866         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2867                         enabled_cdevs);
2868         if (enabled_cdevcount < 0)
2869                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2870
2871         if (enabled_cdevcount < enabled_portcount)
2872                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2873                                 "has to be more or equal to number of ports (%d)\n",
2874                                 enabled_cdevcount, enabled_portcount);
2875
2876         nb_cryptodevs = rte_cryptodev_count();
2877
2878         /* Initialize the port/cryptodev configuration of each logical core */
2879         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2880                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2881                         cdev_id++) {
2882                 /* Crypto op not supported by crypto device */
2883                 if (!enabled_cdevs[cdev_id])
2884                         continue;
2885
2886                 if (options.single_lcore && qconf == NULL) {
2887                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2888                                 rx_lcore_id++;
2889                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2890                                         rte_exit(EXIT_FAILURE,
2891                                                         "Not enough cores\n");
2892                         }
2893                 } else if (!options.single_lcore) {
2894                         /* get the lcore_id for this port */
2895                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2896                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2897                                options.nb_ports_per_lcore) {
2898                                 rx_lcore_id++;
2899                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2900                                         rte_exit(EXIT_FAILURE,
2901                                                         "Not enough cores\n");
2902                         }
2903                 }
2904
2905                 /* Assigned a new logical core in the loop above. */
2906                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2907                         qconf = &lcore_queue_conf[rx_lcore_id];
2908
2909                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2910                 qconf->nb_crypto_devs++;
2911
2912                 enabled_cdevcount--;
2913
2914                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2915                                 (unsigned)cdev_id);
2916         }
2917
2918         /* launch per-lcore init on every lcore */
2919         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2920                         CALL_MAIN);
2921         RTE_LCORE_FOREACH_WORKER(lcore_id) {
2922                 if (rte_eal_wait_lcore(lcore_id) < 0)
2923                         return -1;
2924         }
2925
2926         /* clean up the EAL */
2927         rte_eal_cleanup();
2928
2929         return 0;
2930 }